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Hamilton Company patents


Recent patent applications related to Hamilton Company. Hamilton Company is listed as an Agent/Assignee. Note: Hamilton Company may have other listings under different names/spellings. We're not affiliated with Hamilton Company, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Hamilton Company-related inventors


Wedges with q-axis damper circuits

A rotor for an electrical machine includes a rotor core having a plurality of circumferentially spaced apart rotor poles. Windings are seated in gaps between circumferentially adjacent pairs of the rotor poles. ... Hamilton Company

Powerless environmental data recorder

An environmental data recorder includes an enclosure, a first acceleration recorder array positioned on a first inner surface of the enclosure corresponding to an x-z plane defined by an x-axis and a z-axis, a second acceleration recorder array positioned on a second inner surface of the enclosure corresponding to an x-y plane defined by the x-axis and a y-axis, and a third acceleration recorder array positioned on a third inner surface of the enclosure corresponding to a y-z plane defined by the y-axis and the z-axis. The x-axis, the y-axis, and the z-axis are orthogonal axes. ... Hamilton Company

Lubrication system for high speed gearbox operating in zero gravity

A system has an input shaft driving a first gear and supported by at least one input shaft bearing. The first gear drives at least a second gear. ... Hamilton Company

Torsion spring

There is provided a method of manufacturing a torsion spring, comprising providing a section of sheet metal, and forming the torsion spring from the section of sheet metal.. . ... Hamilton Company

Shut off valves and components thereof for ecology fuel return systems

In at least one aspect of this disclosure, a shut off valve for an ecology fuel return system can include an inlet for receiving a fluid, an outlet for effusing the fluid, and a valve member configured to move between an open position such that the valve member allows fluid to effuse from the outlet and a closed position such that the valve member prevents fluid from effusing from the outlet. The valve member can include a pressure deflector configured to prevent fluid flow from biasing the valve member toward the closed position.. ... Hamilton Company

Corrosion protection via nanomaterials

A method for increasing corrosion resistance of metallic substrates without use of hexavalent chromium includes chemically treating the substrate to create an oxide layer, mixing nanoclay particles into a non-chromate primer, applying the primer to the oxide layer of the substrate, and applying a topcoat to the primer opposite the oxide layer.. . ... Hamilton Company

Corrosion protection via nanomaterials

A method for increasing corrosion resistance of metallic substrates without use of hexavalent chromium includes chemically treating the substrate to create an oxide layer, mixing graphene nanoplatelets into a non-chromate epoxy-based primer, applying the primer to the oxide layer of the substrate, and applying a topcoat to the primer opposite the oxide layer.. . ... Hamilton Company

Aerodynamic control surface movement monitoring system for aircraft

Actuator systems and methods for controlling aerodynamic control surfaces of aircraft including a first actuator receiving a first input and a first linear translation element that moves based thereon, the first linear translation element operably connected to a first portion of the control surface. A first sensor assembly is disposed relative to the first actuator that generates an output based on a displacement of the first translation element. ... Hamilton Company

Environmental control system pack with an air supply manifold

An air supply manifold includes an outer duct, a first inner duct, and a second inner duct. The outer duct is configured to transfer a fluid from the outer duct inlet to the outer duct outlet and includes an outer duct inlet and an outer duct outlet. ... Hamilton Company

Fuel fractioning unit for inert gas generating system

An inert gas generating system includes a source of a liquid hydrocarbon fuel, and a fractioning unit configured to receive a portion of the liquid hydrocarbon fuel from the source. The fractioning unit includes a perm-selective membrane configured to separate the portion of the liquid hydrocarbon fuel into substantially sulfur-free vapors and a sulfur-containing remainder. ... Hamilton Company

Generator arrangements and methods of controlling generator arrangements

A generator arrangement includes a stator with armature winding, a rotor with one or more permanent magnets supported for rotation relative to the stator, a variable speed drive, and a control module. The variable speed drive is connected to the rotor for rotating the rotor within a predetermined speed range. ... Hamilton Company

Sensorless control of a dc synchronous machine

An assembly for operating a dc synchronous machine according to an exemplary aspect of the present disclosure includes, among other things, a controller that is configured to determine a position of a rotating portion utilizing a carrier signal, adjust current supply to a field winding, and monitor and adjust operation of the dc synchronous machine based on various electrical parameters relating to the carrier signal. A method for operating a dc synchronous machine is also disclosed.. ... Hamilton Company

Integrated drive generator having a variable input speed and constant output frequency and method of driving

A method of driving an integrated drive generator is provided. The method includes driving a carrier shaft of an epicyclic differential and a variable component of a hydraulic trimming device that is operably coupled to a sun gear of the epicyclic differential. ... Hamilton Company

Air turbine starter with automated variable inlet vanes

According to one embodiment, an air turbine starter is provided. The air turbine starter comprising: a turbine wheel including a hub integrally attached to a turbine rotor shaft and a plurality of turbine blades extending radially outward from the hub; an inlet housing at least partially surrounding the turbine wheel; a nozzle located upstream from the turbine wheel and contained within the inlet housing defining an inlet flowpath between the nozzle and the inlet housing, the inlet flowpath directs air flow into the turbine blades; and a plurality of turbine vanes rotatably connected to the nozzle, each turbine vane extending radially from the nozzle into the inlet flowpath towards the inlet housing; wherein the plurality of turbine vanes are operable to adjust air flow through the inlet flowpath by rotating each turbine vane.. ... Hamilton Company

09/20/18 / #20180265213

Emergency power generation via electrically driven tail cone boundary layer ingestion thruster

Disclosed is a system for generating power for an aircraft. The system includes a boundary layer ingestion propulser that includes a propulsion fan configured to receive torsional energy from a boundary layer airstream, and a motor generator in operable communication with the propulsion fan and configured to generate power in response to rotation of the propulsion fan.. ... Hamilton Company

09/20/18 / #20180265206

Variable speed ac bus powered tail cone boundary layer ingestion thruster

A system for hybrid propulsion for an aircraft includes a gas turbine engine having a power shaft. A motor generator is operatively connected to the power shaft of the gas turbine engine and configured to produce electric power. ... Hamilton Company

09/20/18 / #20180264395

Cartridge for mounting lithium hydroxide sheets

A cartridge mounting an air treatment material has a housing. The air treatment material is received within the housing, and spaced from inner walls of the housing by a plurality of resilient sheets. ... Hamilton Company

09/20/18 / #20180263410

Beverage maker

A beverage maker includes a body and a cover movably attached to the body. The body includes therein (among other components), a hot liquid generator (hlg) having a tank, an inlet for receiving liquid into the tank and an outlet, at least one heater in thermal communication with the liquid in the hlg tank, and a discharge port in fluid communication with the outlet of the hlg for discharge of the liquid. ... Hamilton Company

09/06/18 / #20180254735

Current sensing in electric machines

An electric machine includes a phase lead and a winding set with first and second windings. The first and second windings are connected to the phase lead and are connected electrically in parallel with one another. ... Hamilton Company

09/06/18 / #20180254688

Wound-rotor synchronous machine with permanent magnets

A synchronous machine is disclosed which includes a stator defined by an annular stator yoke having a central axis, and a rotor axially supported within the stator and defined by a central rotor yoke having a plurality of radially extending rotor pole cores, each rotor pole core having a radially outer arcuate rotor pole shoe, wherein a permanent magnet is positioned between each circumferentially adjacent pair of rotor pole shoes and a field excitation winding is associated with each rotor pole core.. . ... Hamilton Company

09/06/18 / #20180252115

Electrical power generation system for a directed energy weapon and method

An electrical power generation system for a directed energy weapon includes a fuel pump configured to disperse a liquid fuel. Also included is an oxidizer pump configured to disperse a liquid oxidant. ... Hamilton Company

08/23/18 / #20180238627

Heat exchangers with installation flexibility

A heat exchanger includes a body shaped to integrate with one or more system structural elements and a plurality of first flow channels defined in the body. The heat exchanger also includes a plurality of second flow channels defined in the body. ... Hamilton Company

08/23/18 / #20180238267

Asymmetric load compensation system

This disclosure relates to a variable area nozzle of a gas turbine engine. The variable area nozzle includes, among other things, a control unit, a translatable structure, and a plurality of actuators configured to adjust the position of the translatable structure. ... Hamilton Company

08/23/18 / #20180237144

Two mode system that provides bleed and outside air or just outside air

An aircraft is provided. The aircraft includes a pressurized volume and an air conditioning system. ... Hamilton Company

08/16/18 / #20180235069

Pressure limiting heat sink

A heat sink for use with a thermal pad includes a heat sink body to engage the thermal pad, and a plurality of relief holes formed within the heat sink body, wherein the plurality of relief holes receives a portion of the thermal pad to limit an applied heat sink pressure onto the component.. . ... Hamilton Company

08/16/18 / #20180234071

Magnetically coupled contactless damper

According to an aspect, an inductor damper circuit includes a shared magnetic core, a primary winding, and a secondary winding. The primary winding includes an inductor winding of a first wire gauge wound about the shared magnetic core. ... Hamilton Company

08/16/18 / #20180234024

Variable resonant power converter with tunable inductor

An electronic power converter is configured to receive power from a power source. The power operates at a switching frequency. ... Hamilton Company

08/16/18 / #20180233884

Contactor health monitoring systems and methods

A contactor arrangement includes a post, a fastener and a temperature sensor. The post defines a post axis. ... Hamilton Company

08/16/18 / #20180231340

Enhanced thermal management for directed energy weapon

Described herein is a thermal management system and methodology for a directed energy weapon on an aircraft. The thermal management system includes an evaporator in thermal communication with the directed energy weapon and operatively configured to cool the directed energy weapon by evaporating a refrigerant therein. ... Hamilton Company

08/16/18 / #20180231329

Two-phase thermal loop with rotary separation

A thermal management loop system may include an accumulator, an evaporator in fluid receiving communication with the accumulator, a condenser in fluid receiving communication with the evaporator, and a rotary separator in fluid receiving communication with the condenser. Gas exiting the rotary separator may recirculate back to the condenser and liquid exiting the rotary separator may flow to the accumulator. ... Hamilton Company

08/16/18 / #20180231328

Two-phase thermal loop with membrane separation

A thermal management loop system may include an accumulator, an evaporator in fluid receiving communication with the accumulator, a condenser in fluid receiving communication with the evaporator, and a membrane separator in fluid receiving communication with the condenser. Gas exiting the membrane separator may recirculate back to the condenser and liquid exiting the membrane separator may flow to the accumulator. ... Hamilton Company

08/16/18 / #20180231327

Dual-mode thermal management loop

A system may include a pump, an evaporator, a condenser, an accumulator, a pump bypass line, a first valve, and a second valve. The system may operate in a powered-pump mode, in which the pump drives fluid circulation, the first valve prevents fluid circulation through the pump bypass line, the pump pumps liquid from the accumulator to the evaporator, gas exiting the evaporator flows to the condenser, liquid exiting the evaporator flows through the second valve to the accumulator, and liquid exiting the condenser flows to the accumulator. ... Hamilton Company

08/16/18 / #20180231131

High temperature shaft seal for bleed valve with roller bearings

A seal assembly for a creating a seal between a shaft and a valve housing of a bleed valve that impedes contaminants from reaching bearings includes first and second seal pieces. The first seal piece circumferentially surrounds the shaft and is disposed between the shaft and the valve housing. ... Hamilton Company

08/16/18 / #20180230998

Removable hydropad

A scroll compressor is provided and includes a motor housing having a support surface, a fixed scroll fixedly disposable on the motor housing, an orbiting scroll which is operably disposable for fluid-compressive orbital movement relative to the fixed scroll and a removable hydropad removably disposable on the support surface between the orbiting scroll and the support surface.. . ... Hamilton Company

08/16/18 / #20180230834

Ram air turbine blades

A blade for a ram air turbine includes a pitch rotation connector configured to connect to a pitch rotation device configured to control rotation of the blade about a pitch axis and an airfoil rotationally fixed to the pitch rotation connector. The pitch rotation connector is positioned on the airfoil to reduce pitch dependent moment about the pitch axis such that a maximum pressure moment about the pitch axis is less than a torque supplied to the blade via the pitch rotation device. ... Hamilton Company

08/16/18 / #20180229586

Inertial particle separator for air cycle machine

An inertial particle separator includes a body with an outer wall, an inlet, an outlet, an inner nozzle, a settling chamber, a serpentine channel, and a filter element. The inlet is disposed on an upstream end of the body. ... Hamilton Company

08/16/18 / #20180229174

Air filter for bleed valve assembly

An air filter assembly includes an air filter element with a pleated filter and seals incorporated at either end to prevent contaminants from bypassing the filter. The air filter assembly includes a filter cover, first, second and third seals, and an air filter element with a large diameter and low micron rating.. ... Hamilton Company

08/09/18 / #20180226955

Reduced overhead on digital signal processing for motor drive applications

In accordance with one or more embodiments, a monostable multivibrator that is communicatively coupled to a host device and an external analog-to-digital converter is provided. The monostable multivibrator receives a chip select signal from the host device. ... Hamilton Company

08/09/18 / #20180226868

Reciprocating electromagnetic actuator with flux-balanced armature and stationary cores

An apparatus for electromagnetic actuation includes a cylindrical housing. The apparatus further includes at least two stationary cores fixed to the cylindrical housing. ... Hamilton Company

08/09/18 / #20180222598

Catalytic fuel tank inerting apparatus for aircraft

Fuel tank inerting and fire suppression systems and methods for an aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, and a fire suppression inert gas supply system arranged to direct the inert gas to a fire suppression system, wherein the fire suppression inert gas supply system includes a fire suppression inert gas supply controller to control a flow of inert gas to the fuel tank and the fire suppression system.. ... Hamilton Company

08/09/18 / #20180221609

Respiratory device

A control system of a respiratory device for the at least supportive-partial artificial respiration of patients, in particular human patients, comprising a respiratory gas conduit arrangement, a pressure changing arrangement for changing the pressure of respiratory gas in the respiratory gas conduit arrangement during the respiratory operation of the respiratory device, and the control system for controlling the respiratory operation of the respiratory device. The control system has a data input for transmitting operational or/and patient data to the control system. ... Hamilton Company

08/02/18 / #20180219457

Generators with open loop active cooling

A rotor body for a high-speed generator includes a rotor body with interior and exterior surfaces, a coolant inlet and outlet, and a rotor cooling path for actively cooling the rotor body. The coolant inlet and outlet extend between the interior and exterior surfaces. ... Hamilton Company

08/02/18 / #20180219305

High power module interfaces

A high power module interface system, can include a blade contact configured to be mounted to a circuit board and a mounting fork having a conductive body including a first fork extension and a second fork extension defining a power interface feature opening therebetween. The mounting fork can be configured to provide electrical connection between the conductive body and the blade contact when the blade contact is positioned within the power interface opening.. ... Hamilton Company

08/02/18 / #20180218964

Immersion cooling arrangements for electronic devices

An electronics cooling arrangement includes a housing configured to contain a coolant and an electronic device disposed within the housing. The electronic device has a passageway with at least one inlet and at least one outlet and is configured to allow fluid flowing between the inlet and the outlet to cool the electronic device.. ... Hamilton Company

08/02/18 / #20180216974

Fault tolerant sensor interface

Embodiments herein relate to a fault tolerant sensor measurement system. The system includes a sensor having a primary winding and at least one secondary winding, a wiring harness operably connected to the sensor, and a controller operably connected wiring harness. ... Hamilton Company

08/02/18 / #20180216678

Automatically actuated disconnect couplings

An automatic disconnect coupling includes a retainer and a biasing member. The biasing member is coupled to the retainer and is arranged to communicate excitation from a generator input member to the retainer. ... Hamilton Company

08/02/18 / #20180215620

Flow sensing ozone converter

A flow sensing ozone converter includes an inlet housing, an outlet housing, and a central housing. The inlet housing defines a first pressure port. ... Hamilton Company

08/02/18 / #20180215474

Advanced environmental control system in an integrated pack arrangement with one bleed/outflow heat exchanger

An environmental control system of an aircraft includes a ram air circuit having a ram air shell with at least one heat exchanger positioned therein. A dehumidification system is arranged in fluid communication with the ram air circuit and a plurality of compressing devices is arranged in fluid communication with the ram air circuit and the dehumidification system.. ... Hamilton Company

08/02/18 / #20180215473

Advanced environmental control system in an integrated split pack arrangement with one bleed/outflow heat exchanger

An environmental control system of an aircraft includes a ram air circuit including a ram air shell having at least one heat exchanger positioned therein. A dehumidification system is arranged in fluid communication with the ram air circuit and at least one compressing device is arranged in fluid communication with the ram air circuit and the dehumidification system. ... Hamilton Company

08/02/18 / #20180215472

Advanced environmental control system in an integrated split pack arrangement with two bleed/outflow heat exchangers

An environmental control system for providing conditioned air to a volume of an aircraft includes a ram air circuit including a ram air shell with at least one heat exchanger positioned therein. A dehumidification system is arranged in fluid communication with the ram air circuit and at least one compressing device is arranged in fluid communication with the ram air circuit and the dehumidification system. ... Hamilton Company

07/26/18 / #20180212544

Reluctance-type rotary actuators

An actuator includes a yoke extending about a rotation axis. A coil is wrapped about the yoke. ... Hamilton Company

07/26/18 / #20180210996

Complex feature cloning in additive manufacturing datasets

A computer-implemented method for generating a manufacturing dataset having cloned geometric features for an additive manufacturing process includes identifying, via a processor, a repeating design feature in a first manufacturing dataset that defines a three-dimensional workpiece. The method further includes determining, via the processor, a processing cost or benefit for cloning the repeating design feature, and generating, via the processor, a second dataset having with repeating design feature isolated responsive to the determined processing benefit. ... Hamilton Company

07/26/18 / #20180209744

Passive liquid collecting device

A passive liquid collecting device includes a reservoir including a reservoir exit line and at least one rigid structure disposed within the reservoir configured to collect a liquid and direct the liquid to the reservoir exit line. A first porous capillary media is supported by the at least one rigid structure and a vapor-liquid separator in contact with at least one of the at least one rigid structure and the first porous capillary media. ... Hamilton Company

07/26/18 / #20180209547

Rotary adjustable orifice plate valve

A valve with a rotationally adjustable flow area can include a first member defining a first wall having a first opening therein, and a second member defining a second wall having a second opening therein, the first member being rotatable relative to the second member, and flow area through the valve being defined by fluidic communication between the first opening and the second opening that varies with relative rotational position between the first member and the second member.. . ... Hamilton Company

07/26/18 / #20180209513

Low speed spool generator transmission

A low speed spool multispeed transmission includes an input shaft configured to connect to a low pressure spool gearbox, a gear system connected to the input shaft and configured to convert an input speed of the input shaft to an output speed within a predetermined speed range, wherein the gear system includes a plurality of gear states to change the ratio between the input speed and the output speed, and an output shaft connected to the gear system to be rotated by the gear system at the output speed, the output shaft configured to connect to a generator. The input shaft and the output shaft can be coaxial.. ... Hamilton Company

07/26/18 / #20180209419

Fuel flow control assembly of aircraft engine and method

A fuel flow control assembly for an aircraft engine. The assembly includes a gear arrangement having a shaft. ... Hamilton Company

07/26/18 / #20180209349

Dual inline starter air valve

A starter air valve comprising: a housing comprising an inlet at a first end, an outlet at a second end opposite the first end, and a center portion between first end and second end, the outlet being fluidly connected to the inlet through a fluid passage; a first piston located within the housing between the first end and center portion, the first piston comprising: a first cupped portion configured to form a first chamber with the housing proximate the first end; and a second piston located within the housing between the second end and center portion, the second piston comprising: a third cupped portion configured to form a third chamber with the housing proximate the second end; wherein the pistons are configured to regulate airflow through the fluid passage by adjusting at least one of a first pressure within the first chamber and a third pressure within the third chamber.. . ... Hamilton Company

07/26/18 / #20180209347

Dual inline valve with manual override

A starter air valve comprising: a housing comprising an inlet at a first end, an outlet at a second end opposite the first end, and a center portion between the first and second end, the outlet being fluidly connected to the inlet through a fluid passage; a first piston located within the housing between first end and center portion, the first piston configured to block airflow through the fluid passage when in a closed position and allow airflow through the fluid passage when in an open position; a second piston located within the housing between second end and center portion, the second piston configured to block airflow through the fluid passage when in a closed position and allow airflow through the fluid passage when in an open position; and a manual override system configured to move from closed to open position at least one of the first and second pistons.. . ... Hamilton Company

07/26/18 / #20180206765

Insulating a protective cover for a seal to sensor associated with a spacesuit

A carbon dioxide sensor has a conduit connecting to a source of breathing air and delivering a sample of breathing air into a test chamber. A radiation source applies radiation across the chamber. ... Hamilton Company

07/19/18 / #20180205617

System and method for graphically building a virtual network of computer components

A system for graphically building a virtual network of computer components, the system including: a processor device for receiving an input library of components to form a network, and for devising communication pathways among the components; a display for displaying a proposed interconnection of components; and a memory device for storing component characteristics, wherein the processor device will produce a visual display of the proposed network based on the components selected for inclusion in the network.. . ... Hamilton Company

07/19/18 / #20180205499

Message dropout minimization when transporting isochronous packets across a plesiochronous boundary

A system for reducing message dropout rate in a communication system is provided. Message dropouts occur during transportation of isochronous datasets across a plesiochronous boundary. ... Hamilton Company

07/19/18 / #20180205302

Permanent magnet (pm) brushless machine with outer rotor

An electric machine is provided and includes a stator that includes teeth, conductive windings configured to be wound about the teeth and a rotor rotatable about the stator. The rotor includes an annular core defining first slots along a circumferential dimension and one or more second slots along the circumferential dimension between neighboring first slots, permanent magnets disposable in the first slots and cage windings disposable in the second slots.. ... Hamilton Company

07/19/18 / #20180202605

Deaerating assembly

A method of deaerating a mixture of fluid and air according to an example of the present disclosure includes the steps of communicating a mixture of a fluid and air into an open area of a reservoir directly against a wall of the reservoir to separate at least some of the fluid from at least some of the air. The reservoir is disposed about an axis of a rotatable shaft, and the reservoir has a curved radially outer wall and a curved radially inner wall joined by curved end walls that face circumferentially relative to the axis. ... Hamilton Company

07/19/18 / #20180202506

Hydraulic damping valve

A damping valve for a hydraulic damper comprises a valve housing comprising an inlet chamber and an outlet chamber. A valve seat is arranged between the inlet chamber and the outlet chamber. ... Hamilton Company

07/19/18 / #20180202315

Electric motor arrangements for gas turbine engines

A motor arrangement includes a shaft, a motor with a cage winding fixed in rotation relative to the shaft, and a generator. The generator includes a permanent magnet assembly fixed in rotation relative to the shaft. ... Hamilton Company

07/19/18 / #20180201389

Release mechanism

A toggle release mechanism includes a base element, a toggle element and an actuating rod. The toggle element is rotatably mounted at a first end to the base element about a first axis for rotation between a locking position and a release position. ... Hamilton Company

07/19/18 / #20180200829

Friction stir welding for compact parts

A friction stir welded component includes a channel body having a main surface and an elongated channel formed in the main surface. The elongated channel has a first depth portion that is longitudinally spanned by shoulders having a second depth, the second depth being shallower than the first depth. ... Hamilton Company

07/12/18 / #20180199465

Immersion cooling arrangements

An immersion cooling arrangement includes a housing containing a liquid coolant. An electrical device is submerged within the liquid coolant. ... Hamilton Company

07/12/18 / #20180199461

Electronics thermal management

Potted electronic assemblies are disclosed along with methods of making and cooling them. The electronic assemblies include a conductive heat transfer medium disposed between and in contact with an electronic component and a heat sink. ... Hamilton Company

07/12/18 / #20180198395

Double stator permanent magnet machine with magnetic flux regulation

Embodiments herein relate to a permanent magnet (pm) dynamoelectric machine. The machine includes a drive shaft, a pm rotor assembly with multiple pms arranged around a periphery of the rotor assembly, a first stator assembly including a stator yoke, having stator teeth mounted to the stator core with distal ends proximate the outer periphery of the rotor assembly separated by a first air gap and multiple stator coils mounted between the stator teeth. ... Hamilton Company

07/12/18 / #20180198356

Line-start synchronous reluctance motor with improved performance

A line start synchronous-reluctance (lssrm) brushless motor includes a stator that is arranged at an inner circumferential surface of a motor body and that extends longitudinally along an axis to define a central opening. A rotor assembly is disposed in the central opening. ... Hamilton Company

07/12/18 / #20180197645

Radiographic and computed tomography inspection anti-counterfeit security

A structure for preventing a scan by a beam is provided. The structure includes a primary material forming the structure. ... Hamilton Company

07/12/18 / #20180195813

Variable headers for heat exchangers

A heat exchanger header includes a plurality of first flow channels and second flow channels, each flow channel including a fluid circuit opening for fluid communication with a fluid circuit of a heat source and a core opening for communication with a heat exchanger core, wherein at least the first flow channels include a lobe section defining a non-uniform cross-sectional flow area that changes along a flow direction.. . ... Hamilton Company

07/12/18 / #20180195621

Filter for pneumatic valve

An example embodiment of a filter for a butterfly valve includes an inlet side having an axial inlet port and the first diameter din, a closed outer side having a second diameter d2, and a filter body disposed between the inlet side and the outer side. The filter body has a filter diameter dfilter larger than both din and d2, and includes a cylindrical wall retaining a pleated filter media. ... Hamilton Company

07/12/18 / #20180195551

Bearing assembly with surface layer

A bearing assembly is disclosed that includes a first component with a first bearing surface, and a second component with a second bearing surface. A fluid is disposed between the first bearing surface and the second bearing surface supporting the first bearing surface and the second bearing surface in a non-contact rotational relationship. ... Hamilton Company

07/12/18 / #20180194966

Water based silicone coating compositions

A high temperature coating includes a silicone resin, a mass of nanoclay particles dispersed in the silicone resin, a surfactant and water.. . ... Hamilton Company

07/05/18 / #20180191446

M-ary frequency presence modulation communication system and method

An apparatus for transmitting and receiving encoded optical signals having a data transmitter including: an optical emission device to output light energy as an optical beam having an operating bandwidth; a beam dividing device to receive and divide the operating bandwidth into plural communication bands; a frequency presence modulation unit to: spectrally segregate the bandwidth of at least one communication band into plural channels, and modulate the bandwidth to selectively produce an optical output signal with wavelengths that correspond to one or more of the channels, wherein presence and absence of energy within channels constitute an information packet for data communication; an optical pathway for bi-directional optical communication over a common optical path for transmitting the optical output signal and for receiving an optical input signal; and a data receiver to receive the optical output signal from the optical pathway.. . ... Hamilton Company

07/05/18 / #20180191445

M-ary frequency presence modulation communication system and method

An optical communication system having a data transmitter which includes: at least one optical emission device to output light energy as an optical beam having an operating bandwidth; a beam dividing device to receive and divide the operating bandwidth into plural communication bands; a frequency presence modulation unit to: spectrally segregate the bandwidth of at least one communication band into plural channels, and modulate the bandwidth to selectively produce an optical output signal with wavelengths that correspond to one or more of the channels, wherein presence and absence of energy within channels constitute an information packet for data communication; a controller for providing a control signal to the frequency presence modulation unit to spectrally segregate the bandwidth of the at least one communication band into the plural channels; and a telescope to transmit the optical output signal.. . ... Hamilton Company

07/05/18 / #20180191229

Electric power generating system with a permanent magnet generator

An electric power generating system (epgs) may comprise a permanent magnet generator (pmg) comprising a rotor comprising a permanent magnet, and a stator comprising a plurality of armature windings configured to output a plurality of three-phase voltages, and a plurality of rectifiers corresponding to the plurality of armature windings and configured to rectify the plurality of three-phase voltages, wherein the plurality of rectifiers are connected in series.. . ... Hamilton Company

07/05/18 / #20180187978

Fin-diffuser heat sink with high conductivity heat spreader

A method and apparatus for cooling a heat source is disclosed. The apparatus includes a fin-diffuser including a blower integrated with fins of a diffuser. ... Hamilton Company

07/05/18 / #20180187677

Vane pump seal

A seal tube assembly of a pump system is provided. The seal tube assembly includes a single seal tube having a first axial end sealably coupled to a first vane pump and a second axial end sealably coupled to a second vane pump. ... Hamilton Company

07/05/18 / #20180185836

Pipetting device for pipetting small volumes of liquids

A pipetting device has a pipetting channel extending along a channel path, in which a piston is accommodated to be movable along the channel path to change the pressure of a working gas that wets the piston on a dosing side facing the dosing liquid. The pipetting device includes a movement drive for driving the piston along the channel path and a control unit configured to operate the movement drive for pipetting a predetermined single dosing volume of less than 5 μl with the piston moving in the pipetting direction and its dosing side end face sweeping over a pipetting volume which is not less than 1.4 times greater than the single dosing volume, and subsequently moving in a counter pipetting direction and its dosing side end face sweeping over a counter pipetting volume, wherein not more than 50 ms elapse between beginning control signals.. ... Hamilton Company

06/28/18 / #20180183371

Controlling aircraft vfg over voltage under fault or load-shed

Embodiments include a technique for controlling aircraft vfg over voltage under fault or load-shed, the techniques includes using a control unit for generating signals to maintain a terminal output voltage and frequency, and a variable frequency generator, coupled to the control unit, for generating the terminal output voltage. The variable frequency generator includes a stator having a set of primary stator windings and a set of secondary stator windings for generating the terminal output voltage, and a switch coupled to the set of secondary stator windings, the switch is configured to operate at a threshold frequency of the vfg to regulate the terminal output voltage by supplementing the terminal output voltage produced by the set of primary stator windings reducing the vfg fault over-voltage.. ... Hamilton Company

06/28/18 / #20180183218

Resistance-limited electrical interconnects

A resistance-limited electrical interface includes a printed wiring board, a bus bar, a u-shaped conductor, and a retainer. The bus bar extends from the printed wiring board. ... Hamilton Company

06/28/18 / #20180182063

Information display for line replaceable modules

A line replaceable module (lrm) includes a non-volatile memory (nvm) comprising lrm state data, a display module operatively connected to the nvm and configured to receive the lrm state data therefrom to format the lrm state data into a display formatted data, and an electronic display operatively connected to the display module to receive the display formatted data to display the display formatted data on the electronic display.. . ... Hamilton Company

06/28/18 / #20180181181

Differential current monitoring of multiple circuits

A system for differential current monitoring includes a control module and a plurality of nodes operatively connected to the control module. Each node is configured to monitor current from a bus to a respective load. ... Hamilton Company

06/28/18 / #20180179912

Starter air valve systems configured for low speed motoring

A starter air valve (sav) system includes a pressure actuated sav actuator configured to be operatively connected to a sav, a first pressure valve configured to selectively allow pressure from a pressure source to the sav actuator when in fluid communication with the sav actuator, and a second pressure valve configured to selectively allow pressure from the pressure source to the sav actuator when in fluid communication with the sav actuator. A manual override (mor) valve selector is disposed between the first pressure valve, the second pressure valve, and the sav actuator, the mor valve selector configured to selectively fluidly connect the first pressure valve and the sav actuator in a first position and to fluidly connect the second pressure valve and the sav actuator in a second position.. ... Hamilton Company

06/28/18 / #20180179911

Starter air valve systems configured for low speed motoring

A starter air valve (sav) system includes a pressure actuated sav actuator configured to be operatively connected to a sav, a first pressure valve configured to selectively allow pressure from a pressure source to the sav actuator when in fluid communication with the sav actuator, and a second pressure valve configured to selectively allow pressure from the pressure source to the sav actuator when in fluid communication with the sav actuator. A manual override (mor) valve selector is disposed between the first pressure valve, the second pressure valve, and the sav actuator, the mor valve selector configured to selectively fluidly connect the first pressure valve and the sav actuator in a first position and to fluidly connect the second pressure valve and the sav actuator in a second position.. ... Hamilton Company

06/28/18 / #20180179896

Heat pipe system for engine rotor cooling

A heat pipe system includes one or more arcuate heat pipe segments shaped conforming to an inner wall of an engine rotor. The heat pipe system also includes a heat pipe fluid within the one or more arcuate heat pipe segments.. ... Hamilton Company

06/28/18 / #20180178988

Automated positive pressure solid phase extraction apparatus and method

An automated positive pressure solid phase extraction apparatus and method comprising two tiered lifts devices each individually controllable to individually vertically translate within an elevator framework between a base on which the elevator framework is mounted and a manifold plate supported by the framework in a substantially horizontal plane parallel with and vertically above the two tiered lifts devices and a rectilinearly translating shuttle assembly comprising a shuttle supporting labware for rectilinear travel into and out of the elevator framework to handoff the labware to one of the two tiered elevator lifts or both.. . ... Hamilton Company

06/21/18 / #20180175680

Reduction of starting current in line start permanent magnet brushless motors

A rotor of line start permanent magnet synchronous motor is provided. The rotor includes bars of cage windings. ... Hamilton Company

06/21/18 / #20180174732

Integrated inductor windings and heat pipes

An inductor includes a printed wiring board (pwb) and a plurality of electrically-conductive heat pipes operatively connected to the pwb. The pwb includes electrically conductive traces electrically connected to the plurality of electrically-conductive heat pipes. ... Hamilton Company

06/21/18 / #20180174728

Electrical device with flexible connectors

An electrical device includes a first flexible connector, including a first flexible conductor and a second flexible conductor, and a flexible insulator disposed between the first flexible conductor and the second flexible conductor, a second flexible connector spaced apart from the first flexible connector, the second flexible connector including a third flexible conductor, a first interconnect to electrically connect the first flexible conductor and the third flexible conductor, a second interconnect to electrically connect the third flexible conductor and the second flexible conductor, wherein the second interconnect is disposed opposite the first interconnect.. . ... Hamilton Company

06/21/18 / #20180174098

Stator heat transfer feature for a dynamoelectric machine

A dynamoelectric machine includes a shaft, a rotor radially outward from the shaft with the rotor and shaft arranged to rotate in unison, a stator radially outward from the rotor with the stator being stationary relative to the rotor and shaft, and a heat transfer feature adjacent to and radially outward from the stator. The heat transfer feature includes a base encasing the stator, the base having a first end, a second end, and an axial middle; a first set of fins extending radially outward from the base adjacent the first end and the second end; and a second set of fins extending radially outward from the axial middle of the base with the second set of fins each having a smaller surface area and being closer to one another than the first set of fins.. ... Hamilton Company

06/21/18 / #20180173622

Deterministic timing evaluation

A method and system to perform deterministic timing analysis of a plurality of software tasks involves cache memory that is shared by the plurality of software tasks. Real memory is accessible by the plurality of software tasks. ... Hamilton Company

06/21/18 / #20180173537

Runtime reconfigurable dissimilar processing platform

One or more embodiments here relate to a processing platform for performing channel management and channel monitoring of a control channel. The processing platform includes a first microcontroller comprising a first core. ... Hamilton Company

06/21/18 / #20180172369

Heat exchanger component with embedded sensor

An additively manufactured component is provided. The additively manufactured component includes an additively manufactured first part defining a first trench, an additively manufactured second part defining a second trench and a fiber optic sensor. ... Hamilton Company

06/21/18 / #20180172368

Heat exchanger having embedded features

A heat exchanger includes a heat exchanger body having a first face, a second face disposed opposite the first face, a first wall, and a second wall disposed opposite the first wall. The first wall and the second wall each extend between the first face and the second face. ... Hamilton Company

06/21/18 / #20180172326

Porous media evaporator

An evaporator includes a housing having a liquid inlet interface, a liquid outlet interface, and a vapor outlet interface. The evaporator also includes, according to various embodiments, a porous media disposed in the housing and having a porous wall that defines a conduit. ... Hamilton Company

06/21/18 / #20180172179

Self-acting pressure drain valve

A self-acting pressure activated drain valve includes at least one inlet configured to receive a fluid. A drainage passage delivers the fluid to at least one outlet where the fluid is expelled. ... Hamilton Company

06/21/18 / #20180172170

Spring seat diaphragm retention grooves

A pressure relief valve controller (prvc) includes a housing having a spring, a spring seat connected to the spring, a piston, and a portion of which is disposed between the spring seat and the piston, wherein one or more grooves and/or protrusions are disposed on at least one of the spring seat or the piston. The diaphragm can conform to the one or more grooves of the spring seat thus preventing diaphragm rupture due to excess pressure without affecting calibrations of current prvcs.. ... Hamilton Company

06/21/18 / #20180171500

Electroplating systems and methods

An electroplating system includes an enclosure with an interior, an anode lead extending through the enclosure and into the interior, and a porous body. The porous body is supported within the interior of the enclosure for coupling an electroplating solution within the interior with a workpiece. ... Hamilton Company

06/21/18 / #20180170771

Condensation catalyst systems and methods

A reactor system may comprise a housing; and a condensation catalyst layer within the housing comprising a condensation catalyst comprised of at least one of a base-substituted zeolite, a stannous salt, or a phosphonitrile chloride. The condensation catalyst layer may be configured to catalyze a condensation reaction of a plurality of silane diols in water flowing through the housing into a plurality of siloxanes.. ... Hamilton Company

06/21/18 / #20180170554

Environmental control system with ejector-enhanced cooling

An environmental control system includes a primary heat exchanger operable to transfer heat from an air source to a refrigerant in a generator flow and output an air flow. An ejector is operable to produce an intermediate refrigerant flow based on receiving the generator flow as a motive fluid and drawing a vapor refrigerant flow as a suction fluid. ... Hamilton Company

06/21/18 / #20180169669

Motor cooling circuit with integrated fod particle separator

A ram circuit for an aircraft includes a ram inlet housing, a ram outlet housing, a heat exchanger, a ram air fan, and a particle separator. The ram inlet housing includes a chamber and an inlet configured to receive air. ... Hamilton Company

06/14/18 / #20180164055

Heat exchanger with sliding aperture valve

An apparatus is provided. The apparatus includes a heat exchanger providing heat transfer between a first medium and a second medium. ... Hamilton Company

06/14/18 / #20180163745

Systems and methods for making airfoils

A method of making a fan blade may include the steps of forming a core comprising fibrous material, and placing a first layer of dry fiber tows over the core using a robot. The first layer of dry fiber tows may be substantially un-crimped and may have a thermoplastic coating. ... Hamilton Company

06/14/18 / #20180163744

Systems and methods for making blade sheaths

A method of making a sheath for an airfoil may include the steps of forming an upper sleeve and a lower sleeve, and forming a central portion bonded to the upper sleeve and the lower sleeve. The central portion may be formed by depositing a material on the upper sleeve and the lower sleeve. ... Hamilton Company

06/14/18 / #20180162544

Selective method of operation of ullage passivation system

A method of selectively operating an ullage passivation system includes receiving at least one of a temperature signal and a vapor composition signal. The method further includes operating an ullage passivation system to provide a fluid to the fuel tank, in response to at least one of a temperature exceeding a temperature threshold and a component of the vapor composition exceeding a threshold composition.. ... Hamilton Company

06/14/18 / #20180162536

Air cycle machine module air gate seal for environmental control systems

An isolation valve comprising: a housing having an internal surface within the housing, the internal surface having a first outlet and second outlet; an air gate having an outward face opposite the internal surface, the air gate located within the housing and configured to move to at least one of a first position blocking flow to the first outlet, a neutral position blocking flow to neither the first outlet nor second outlet, and a second position blocking flow to the second outlet; a seal groove located on the outward face of the air gate; a seal located within seal groove, the seal configured to form a sealed connection with the internal surface around at least one of the first outlet when in the first position and the second outlet when in the second position; and a retainer configured to secure the seal within the seal groove using a fastening mechanism.. . ... Hamilton Company

06/14/18 / #20180162535

Air distribution system with recirculating zone trim tec

Disclosed is a system for distributing air to plural aircraft zones that receive manifold air from a mix manifold, the system has: a thermal electronic cooler trim module (tec), fluidly connected between a recirculating fan and the mix manifold; the tec has: multiple tec zones, each fluidly connected to, and sized relative to heating requirements of, a respective one of the aircraft zones; a first tec inlet, through which a first portion of the recirculated air enters the tec, is heat treated in a first heating direction, and is exhausted toward the mix manifold; and a second tec inlet, through which a second portion of the recirculated air enters the tec zones, is heat treated in a second heating direction, and is exhausted toward the aircraft zones for mixing with the manifold air.. . ... Hamilton Company

06/07/18 / #20180159524

Single event latchup mitigation with sample and hold

A system for mitigating a solid state power controller (sspc) open or closed state change caused by single event latchup (sel) includes an on circuit, an off circuit operatively connected in parallel to the on circuit, a holding capacitor operatively connected in parallel with the on circuit and the off circuit, and a power switching device operatively connected to the holding capacitor and the on circuit. The system is configured to maintain, during and after the sel, a drive state voltage to the power switching device that is stored in the holding capacitor prior to the sel.. ... Hamilton Company

06/07/18 / #20180156508

Expendable driven heat pump cycles

A cooling system with a compression cooling cycle for a working fluid that passes an expendable fluid through a warm side heat exchanger for the cooling system to cause the expendable fluid to vaporize and thus absorb heat from the working fluid by way of latent heat or enthalpy of vaporization and then running the vaporized expendable through a turbine that drives a compressor for the cooling system.. . ... Hamilton Company

06/07/18 / #20180156058

Vane position sensor installation within a turbine case

A measuring system for sensing vane positions that comprises a turbine, a target, and a sensor. The turbine includes a plurality of articulating vanes, with each vane being coupled to a sync ring that is configured to position the plurality of articulating vanes in accordance with a degree of rotation by the sync ring. ... Hamilton Company

06/07/18 / #20180155050

Catalytic fuel tank inerting apparatus for aircraft

Fuel tank inerting systems and methods for an aircraft. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, and a heating duct thermally connected to the catalytic reactor and arranged in thermal communication with the first source to provide heat to the first source to generate the first reactant.. ... Hamilton Company

06/07/18 / #20180155049

Catalytic fuel tank inerting apparatus for aircraft

Fuel tank inerting systems and methods for aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, and an inert gas recycling system located downstream of the catalytic reactor and upstream of the fuel tank, wherein the inert gas recycling system is arranged to direct a portion of the inert gas to the catalytic reactor.. ... Hamilton Company

06/07/18 / #20180155048

Catalytic fuel tank inerting apparatus for aircraft

Fuel tank inerting systems and methods for aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank and arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first and second reactants from the first and second sources, respectively, to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, a heat exchanger arranged between the catalytic reactor and the fuel tank and downstream of the catalytic reactor, the heat exchanger arranged to at least one of condense and cool an output from the catalytic reactor to separate out an inert gas and a byproduct, and a cool air source arranged to supply cool air to the heat exchanger and then the catalytic reactor to provide thermal control of the catalytic reactor.. ... Hamilton Company

06/07/18 / #20180155047

Catalytic fuel tank inerting apparatus for aircraft

Fuel tank inerting systems and methods for aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, and a heating duct connected to the second reactant source, wherein a thermal energy of the second reactant is employed to heat the first reactant source.. ... Hamilton Company

06/07/18 / #20180153343

Sandwich making appliance and method of making a sandwich with the same

A small cooking appliance comprises a bottom housing, a top housing, and a cooking assembly. The bottom housing has a top surface that forms a bottom cooking surface of the appliance. ... Hamilton Company

05/31/18 / #20180149669

Automated positive pressure solid phase extraction apparatus and method comprising a reagent dispenser apparatus and method

An automated positive pressure solid phase extraction apparatus and method comprising two tiered lifts devices each individually controllable to individually vertically translate within an elevator framework between a base on which the elevator framework is mounted and a manifold plate supported by the framework in a substantially horizontal plane parallel with and vertically above the two tiered lifts devices; a rectilinearly translating shuttle assembly comprising a shuttle supporting labware for rectilinear travel into and out of the elevator framework to handoff the labware to one of the two tiered elevator lifts or both; and a reagent dispensing system comprising a reagent dispensing manifold for dispensing liquids into wells of each column of wells of a labware filter plate carried by the shuttle.. . ... Hamilton Company

05/31/18 / #20180149089

Method for reducing thermally induced stresses in a heat exchanger

A heat exchanger core includes a rectangular core having a plurality of alternatively stacked first fluid layers and second fluid layers. The core is divided into a plurality of core subsections such that a deflection of each of the plurality of core subsections is less than a deflection of the core as a whole.. ... Hamilton Company

05/31/18 / #20180148191

Catalytic fuel tank inerting apparatus for aircraft

Fuel tank inerting systems and methods for aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, and a back pressure flow restrictor positioned within or along a fuel tank supply line and downstream of the catalytic reactor, the back pressure flow restrictor arranged to maintain high-pressure operation of the catalytic reactor.. ... Hamilton Company

05/31/18 / #20180148190

Catalytic fuel tank inerting apparatus for aircraft

Fuel tank inerting systems and methods for aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, wherein the second reactant source is a source of ambient air, and a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank.. ... Hamilton Company

05/31/18 / #20180148189

Catalytic fuel tank inerting apparatus for aircraft

Fuel tank inerting systems and methods for aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, and wherein the first reactant is directly injected from the first reactant source without the use of a heater.. ... Hamilton Company

05/31/18 / #20180148188

Catalytic fuel tank inerting apparatus for aircraft

Fuel tank inerting systems and methods for aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, and a cool air source arranged to supply cool air to the catalytic reactor to provide thermal control of a reaction within the catalytic reactor, wherein the cool air is discharged from at least one of a cabin of the aircraft and an environmental control system of the aircraft.. ... Hamilton Company

05/31/18 / #20180148181

Air distribution manifold with integral multizone tec trim system

A system for distributing air to a plurality of aircraft zones includes an air mixer including an air inlet plenum and a manifold. The manifold including a plurality of sections fluidly coupled to the plurality of aircraft zones. ... Hamilton Company

05/31/18 / #20180148179

Environmental control system with optimized moisture removal

An airplane is provided. The airplane includes an environmental control system coupled to an engine and an inlet. ... Hamilton Company

05/17/18 / #20180138789

System and method for adjusting an air gap in a servovalve torque motor and a new type of torque motor

. . An improved torque motor for use in a servovalve is described herein, comprising: first and second pole pieces, having a c-shaped cross-section comprising a ring shaped section extending in a first plane with first and second portions extending perpendicularly away from said plane and inwards towards an armature plate. The perpendicularly extending portions are detachable from and attachable to the ring-shaped section of the pole pieces to allow for easier calibration and adjustment of the air gaps between the pole pieces and the armature plate positioned there between.. ... Hamilton Company

05/17/18 / #20180138769

Layered conductors for reduced eddy loss

An electrical machine includes a stator defining a plurality of circumferentially spaced slots. A layered conductor is wound into the slots. ... Hamilton Company

05/17/18 / #20180135661

Servovalve

A servovalve includes a fluid transfer valve assembly comprising a supply port and a control port a moveable valve spool arranged to regulate flow of fluid from the supply port to the control port in response to a control signal; and a jet pipe assembly configured to direct fluid to the ends of the spool to axially move the valve spool relative to the fluid transfer assembly in response to the control signal to regulate the fluid flow. The jet pipe assembly includes a jet pipe and a connector header fluidly connecting the jet pipe to a nozzle via which fluid is directed to the spool ends. ... Hamilton Company

05/17/18 / #20180135513

Electrically boosted regenerative bleed air system

An engine bleed air system for providing air to an aircraft system includes a port for extracting bleed air from a compressor section of an engine. The system additionally includes a turbo-generator having a turbine and a generator. ... Hamilton Company

05/17/18 / #20180134397

Turbo-generator based bleed air system

An engine bleed air system providing air to an aircraft system includes a port for extracting high pressure bleed air from an engine and a turbo-generator having a turbine and a generator. The generator is driven by rotation of the turbine. ... Hamilton Company

05/17/18 / #20180133716

Pipetting device, pipette tip coupler, and pipette tip: devices and methods

Pipette assembly comprising a pipette device, a pipette tip, and an expanding mandrel collet coupling device coupling the tip to the pipette device, the coupling device comprising: circumferentially spaced apart segments, an annular base disposed below the segments and comprising a distal portion, an elastomeric element circumscribing the distal portion, and upwardly extending circumferentially spaced apart arms attached at first ends to the annular base and having upper free ends each supporting a different one of the segments configured to expand between a first and a second greater circumference for engaging a first interior working surface of the tip in concurrence with the elastomeric element sealing against a second interior working surface below the first surface and in concurrence with an abutment between a disk exteriorly disposed about a medial portion of the arms and a stepped interior shoulder of the tip disposed between the first and second working surfaces.. . ... Hamilton Company

05/17/18 / #20180133634

Compact water extractor

A water extractor includes an inlet, an outlet a body, outer wall, inner wall, helical wall, plurality of catchment areas, and scuppers. The body extends between the inlet and the outlet. ... Hamilton Company

05/10/18 / #20180132343

Integrated panel level liquid cooling for bus bars

An electrical contactor assembly is provided including: an electrical contactor; an electrical bus bar; a panel; at least one post protruding through the panel and in contact with the electrical bus bar, the post being constructed from an electrically and thermally conductive material, wherein a first end of the at least one post is configured to electrically and thermally connect to the electrical contactor; and a liquid cooled heat sink thermally connected to a second end of the at least one post through the electrical bus bar, wherein the liquid cooled heat sink in operation circulates liquid coolant through the liquid cooled heat sink to absorb heat.. . ... Hamilton Company

05/10/18 / #20180131304

High voltage direct current system for a vehicle

An electric power system (eps) may comprise a modular multilevel converter (mmc) and a synchronous generator in electronic communication with the mmc. The synchronous generator may comprise a stator comprising inner slots and outer slots. ... Hamilton Company

05/10/18 / #20180131254

Electric power generating system with a synchronous generator

A synchronous generator may comprise a rotor and a stator. The stator may comprise a first armature winding configured to output a first three-phase voltage and a second armature winding configured to output a second three-phase voltage. ... Hamilton Company

05/10/18 / #20180131192

Electric power system for a space vehicle

An electrical power system may comprise a first plurality of power sources, a first collector bus configured to receive power from the plurality of power sources, an unregulated dc bus configured to receive power from the first collector bus, a regulated high voltage direct current (hvdc) bus configured to receive power from the unregulated dc bus, and a first power distribution unit (pdu) configured to receive power from the regulated hvdc bus. The regulated hvdc bus may be configured to supply power to a high voltage load. ... Hamilton Company

05/10/18 / #20180129242

Locking mechanisms for ram air turbine actuators

A locking mechanism for a ram air turbine actuator can include at least one of spherical locking pawls configured to retain an outer member and spherical pawl rollers configured to radially actuate the spherical locking pawls by axial movement of the spherical pawl rollers.. . ... Hamilton Company

05/10/18 / #20180128393

Servovalve

A servovalve includes a fluid transfer valve assembly comprising a supply port and a control port, a moveable valve spool arranged to regulate flow of fluid from the supply port to the control port in response to a control signal, and a drive assembly configured to axially move the valve spool relative to the fluid transfer assembly in response to the control signal to regulate the fluid flow. The drive assembly includes a steerable member moveable by an amount determined by the control signal to cause corresponding movement of the valve spool. ... Hamilton Company

05/10/18 / #20180128388

Check valve

A flapper element for a check valve comprises at least one mounting lug configured to receive a shaft for rotation relative thereto and having a row of teeth for engaging complementary teeth on a mounting lug of a similar flapper element. The complementary teeth tie the rotation of the two flapper elements.. ... Hamilton Company

05/10/18 / #20180127883

Two-step sealing of anodized aluminum coatings

A method includes providing a workpiece with at least one surface having an anodized aluminum coating and a trivalent chromium sealant. The at least one surface of the workpiece is submerged in a post-treatment sealant solution for 0.5 to 20 minutes. ... Hamilton Company

05/10/18 / #20180127116

Solar powered spacecraft power system

An electrical power system may comprise a first energy source management converter (esmc) configured to be connected in electronic communication with a first power source, a second esmc configured to be connected in electronic communication with a second power source, and a multi-channel dc bus, wherein the first esmc is configured to supply electric power to a first channel of the multi-channel dc bus, the second esmc is configured to supply electric power to a second channel of the multi-channel dc bus, and the multi-channel dc bus is configured to supply electric power to a load.. . ... Hamilton Company

05/10/18 / #20180127110

On-board aircraft reactive inerting dried gas system

An on-board aircraft inert gas system includes a source of hydrocarbon, a source of gas comprising oxygen, and a first fluid flow path between the source of gas comprising oxygen and an inert gas output. A reactor is disposed along the first fluid flow path that reacts oxygen and hydrocarbon from the fuel tank gas space to produce an oxygen-depleted gas. ... Hamilton Company

05/10/18 / #20180126358

Sorbent systems and methods

A sorbent bed may comprise a sorbent support comprising at least one of a carbon material, a polymeric material, or alumina, wherein the sorbent support comprises a plurality of pores; and an impregnant configured to absorb ammonia disposed within the plurality of pores in the sorbent support, wherein the sorbent bed comprises between 20% and 60% by weight impregnant.. . ... Hamilton Company

05/10/18 / #20180126322

Thermally conductive structure for multi-direction flow through packed bed

A packed bed for a heat exchanger may comprise a frame and a first fin layer disposed within the frame. A second fin layer may be disposed within the frame. ... Hamilton Company

05/10/18 / #20180126114

Expiratory valve

The present invention relates to an expiratory valve (10) of a ventilation device (100), comprising a valve body (12) having a fluid inlet (14) and a fluid outlet (16) for breathing air of a patient formed therein, said valve body (12) defining a fluid flow path between fluid inlet (14) and fluid outlet (16), with the cross-sectional area of said fluid flow path expanding in the direction towards the fluid outlet (16).. . ... Hamilton Company

05/10/18 / #20180126113

Expiratory valve

The present invention relates to an expiratory valve (10) of a ventilation device (100), comprising a valve body (12) having a fluid inlet (14) and a fluid outlet (16) for breathing air of a patient formed therein, said valve body (12) having at least one reinforcing rib (36, 38) formed around the fluid inlet (14).. . ... Hamilton Company

05/10/18 / #20180126112

Expiratory valve

The present invention relates to an expiratory valve (10) of a ventilation device (100), comprising a valve body (12) having a fluid inlet (14) and a fluid outlet (16) for breathing air of a patient formed therein, said valve body (12) comprising a support (42) having a top side (46) on which a valve membrane (20) can be placed with an abutment area formed at the outer edge thereof, with the top side (46) of the support (42) having an uneven design.. . ... Hamilton Company

05/03/18 / #20180120038

Heat exchanger with embedded heat pipes

A heat exchanger is disclosed which includes a plurality of heat exchanger plates. Each plate has a plurality of hollowed out pins arranged in a pin fin pattern. ... Hamilton Company








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