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Watlow Electric Manufacturing Company patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "W" | Watlow Electric Manufacturing Company-related inventors


Method of manufacturing a high definition heater system

A method of manufacturing a heater includes forming a first laminate having a first double-sided adhesive dielectric layer, a sacrificial layer, and a conductive layer. The first double sided adhesive layer is disposed between the sacrificial layer and the conductive layer. ... Watlow Electric Manufacturing Company

Resistive heater with temperature sensing power pins

A heater system includes a heater and a controller. The heater includes a first power pin made of a first conductive material, a second power pin made of a second conductive material that is dissimilar from the first conductive material, and a resistive heating element having two ends and made of a material that is different from the first and second conductive material of the first and second power pins. ... Watlow Electric Manufacturing Company

Heater bundle for adaptive control

A method of controlling a heating system includes: providing a heater bundle comprising a plurality of heater assemblies, each heater assembly comprising a plurality of heater units, each heater unit defining at least one independently controlled heating zone; supplying power to each of the heater units through power conductors electrically connected to each of the independently controlled heating zones in each of the heater units; and modulating power supplied to each of the heater units.. . ... Watlow Electric Manufacturing Company

Electric heaters with low drift resistance feedback

A heater includes at least one resistive element. The at least one resistive element includes a material having a high temperature coefficient of resistance (tcr) such that the resistive element functions as a heater and as a temperature sensor, the resistive element being a material selected from the group consisting of greater than about 95% nickel, a nickel copper alloy, stainless steel, a molybdenum-nickel alloy, niobium, a nickel-iron alloy, tantalum, zirconium, tungsten, molybdenum, nisil, and titanium. ... Watlow Electric Manufacturing Company

High power density insulated exhaust heating system

A heating apparatus for an exhaust gas system, or a fluid flow system, is provided by the present disclosure. The heating apparatus has a container body and includes at least one heater element and a support member disposed inside the container body and configured for restricting movement of the at least one heater element in the container body. ... Watlow Electric Manufacturing Company

Multi-parallel sensor array system

The present disclosure relates to a sensing system that includes a plurality of resistive elements coupled to a plurality of nodes and a controller configured to index through a plurality of modes to measure an electrical characteristic for each resistive element. Each mode of the plurality of modes represents a different combination of power, return, or open circuit condition applied to each of the plurality of nodes. ... Watlow Electric Manufacturing Company

Integrated heater and sensor system

The present disclosure provides a thermal system that includes an array of heating resistor circuits having first termination ends and second termination ends, and a plurality of nodes connected to the heating resistor circuits at the first and second termination ends. The thermal system further includes power wires to provide power to the heating resistor circuits and signal wires to sense a temperature of each of the heating resistor circuits. ... Watlow Electric Manufacturing Company

Reduced wire count heater array block

A thermal system includes multiple thermal elements, multiple power lines, and a control system. Each of the thermal elements define a resistor and a current limiting device, and the thermal elements include at least a first subset of parallel thermal elements and at least a second subset of parallel thermal elements. ... Watlow Electric Manufacturing Company

Power converter for a thermal system

The present disclosure generally describes a system that includes a heater, a power converter including a power switch, and a controller. The power converter is in communication with the heater and is operable to apply an adjustable voltage to the heater. ... Watlow Electric Manufacturing Company

Heater element as sensor for temperature control in transient systems

A method of predicting the temperature of a resistive heating element in a heating system is provided. The method includes obtaining resistance characteristics of resistive heating elements and compensating for variations in the resistance characteristics over a temperature regime. ... Watlow Electric Manufacturing Company

Bare heating elements for heating fluid flows

A heater for use in heating a fluid flow through a passageway is provided that includes a continuous resistive heating element having a predefined shape that is directly exposed to the fluid flow. The predefined shape includes a cross-sectional geometry that provides a required heat distribution, structural strength, and reduced back pressure within the passageway. ... Watlow Electric Manufacturing Company

Heater element having targeted decreasing temperature resistance characteristics

A heater is provided that includes at least one resistive heating element having a material with a non-monotonic resistivity vs. Temperature profile and exhibiting a negative dr/dt characteristic over a predetermined operating temperature range along the profile. ... Watlow Electric Manufacturing Company

Virtual sensing system

A control system for a heating system of an exhaust system is provided. The control system includes at least one electric heater disposed within an exhaust fluid flow pathway, and a control device adapted to receive at least one input selected from the group consisting of mass flow rate of an exhaust fluid flow, mass velocity of an exhaust fluid flow, flow temperature upstream of the at least one electric heater, flow temperature downstream of the at least one electric heater, power input to the at least one electric heater, parameters derived from physical characteristics of the heating system, and combinations thereof. ... Watlow Electric Manufacturing Company

Heater bundle for adaptive control and method of reducing current leakage

A method of controlling a heating system is provided that includes having at least one heater assembly, the heater assembly comprising a plurality of heater units, each heater unit defining at least one independently controlled heating zone, supplying power to each of the heater units through power conductors electrically connected to each of the independently controlled heating zones in each of the heater units, and modulating power supplied to each of the independently controlled heating zones. A voltage is selectively supplied to each of the independently controlled heating zones such that a reduced number of independently controlled heating zones receives the voltage at a time, or at least a subset of the independently controlled heating zones receive a reduced voltage at all times.. ... Watlow Electric Manufacturing Company

09/07/17 / #20170254564

Heater bundle for adaptive control

A heater system includes a heater bundle and a power supply device. The heater bundle includes a plurality of heater assemblies and a plurality of power conductors. ... Watlow Electric Manufacturing Company

09/07/17 / #20170254250

Heater-actuated flow bypass

A fluid control system is provided that in one form includes a first flow channel, a second flow channel, a heater disposed in the second flow channel, and a fluid control device disposed upstream from the first and second flow channels. When the heater is turned on, the fluid control device changes a fluid flow rate through at least one of the first flow channel and the second flow channel. ... Watlow Electric Manufacturing Company

09/07/17 / #20170254249

Susceptor for use in a fluid flow system

A susceptor for use in a heated fluid flow system is provided. In one form, a susceptor is arranged within a conduit and adapted to absorb radiant energy from at least one heating element and inhibit the radiant energy from being absorbed by the at least one wall of the conduit and/or other components. ... Watlow Electric Manufacturing Company

09/07/17 / #20170254248

System and method for axial zoning of heating power

A heater system for an exhaust system is provided. The heater system includes a heater disposed in an exhaust conduit. ... Watlow Electric Manufacturing Company

09/07/17 / #20170254242

Dual-purpose heater and fluid flow measurement system

A control system for use in a fluid flow application is provided. The control system includes a heater having at least one resistive heating element. ... Watlow Electric Manufacturing Company

09/07/17 / #20170254241

Thermal storage device for use in a fluid flow system

An exhaust system is provided that includes at least one exhaust aftertreatment unit provided in an exhaust fluid flow pathway and a thermal storage device disposed upstream from the exhaust aftertreatment unit. The thermal storage device is operable to store thermal mass and provide thermal insulation to enable a catalyst to maintain a minimum predetermined temperature for a minimum predetermined time. ... Watlow Electric Manufacturing Company

09/07/17 / #20170254239

Electric heating assisted passive and active regeneration for efficient emission controls of diesel engines

A method of heating an exhaust gas in an exhaust after treatment system includes selecting a heating mode between a plurality of heating modes based on an engine load and a status of a component of the exhaust aftertreatment system. The method further comprises heating the exhaust gas by operating the electric heater in the selected heating mode, and operating the electric heater in a passive regeneration heating mode to heat an exhaust gas to a predetermined temperature to increase no2 generation when an engine load is less than or equal to approximately 25%.. ... Watlow Electric Manufacturing Company

08/17/17 / #20170238365

Modular heater systems

A modular heater system includes a plurality of modular units aligned along a longitudinal direction of a fluid conduit for heating a fluid contained in the fluid conduit. The modular units each include a carrier member, a heating element mounted on the carrier member and a thermal insulation jacket surrounding the carrier member and the heating element. ... Watlow Electric Manufacturing Company

08/17/17 / #20170236732

High definition heater system having a fluid medium

A thermal system includes a base member, a two-phase fluid, a tuning heater, and a chuck. The base member includes at least one fluid passageway. ... Watlow Electric Manufacturing Company

08/10/17 / #20170229331

Temperature sensing system for rotatable wafer support assembly

A semiconductor processing apparatus includes a wafer support assembly, a temperature sensor integrated in the wafer support assembly for measuring a temperature of the wafer support assembly, and a signal transmission device that wirelessly transmits a signal relating to a temperature measurement obtained by the temperature sensor to an external control module.. . ... Watlow Electric Manufacturing Company

08/03/17 / #20170221734

Pedestal construction with low coefficient of thermal expansiion top

A support assembly for use in semiconductor processing includes an application substrate, a heater layer disposed directly on the application substrate, an insulation layer disposed on the heater layer, and a second substrate disposed on the insulation layer. The heater layer is directly disposed on the application substrate by a layered process such that the heater layer is in direct contact with the application substrate. ... Watlow Electric Manufacturing Company

07/06/17 / #20170192443

Process controller with an integrated optical detector

A process controller is provided and includes at least one optical sensor. The optical sensor includes an optical source is configured to emit an electronic signal toward an object. ... Watlow Electric Manufacturing Company

06/08/17 / #20170162407

Reduced wire count heater array block

A thermal system includes a plurality of thermal elements. In one form, each of the thermal elements define a resistor and a current limiting device. ... Watlow Electric Manufacturing Company

05/04/17 / #20170127474

Integrated heater and sensor system

A thermal system includes a plurality of resistor circuits that define a number of resistor circuits rn. The thermal system also has a plurality of nodes that connect the plurality of resistor circuits and define a number of nodes nn. ... Watlow Electric Manufacturing Company

04/20/17 / #20170111958

Composite device with cylindrical anisotropic thermal conductivity

An apparatus for supporting a substrate in a process chamber and regulating surface temperature of the substrate and method of making the same is provided. The apparatus includes a base support having a surface adapted to support the substrate and a heater for heating the substrate with the heater being disposed proximate the base support. ... Watlow Electric Manufacturing Company

04/06/17 / #20170099699

Integrated device and method for enhancing heater life and performance

A control system for controlling an operation of a resistive heater includes a dielectric parameter determination module for determining a dielectric parameter of the resistive heater when the resistive heater is in an active mode, and a diagnostic module for diagnosing performance of the resistive heater based on the dielectric parameter.. . ... Watlow Electric Manufacturing Company

03/30/17 / #20170092514

High definition heater system having a fluid medium

A thermal system includes: a base member including at least one fluid passageway in which a two-phase fluid is disposed; a tuning layer secured to the base member; and a control system. The pressure of the two-phase fluid is controlled such that the two-phase fluid provides at least one of heating and cooling to the base member. ... Watlow Electric Manufacturing Company

03/09/17 / #20170069514

High temperature tubular heaters

A heater assembly includes a heating member, a mounting member that mounts the heating member to a wall of an external component, and an insulator disposed between the heating member and the wall. The insulator electrically insulates the heating member from the wall and blocks a ground path from the heating member to the wall of the external component.. ... Watlow Electric Manufacturing Company

03/09/17 / #20170065758

Flow through heater

An electrical heating device for medical equipment is provided. The electrical heating device includes a conducting body forming a channel therethrough for fluid travel, a base dielectric layer disposed on the conducting body, a heater surrounding the base dielectric layer and the conducting body, a top dielectric layer disposed on the heater, and a protection housing that is preformed and that defines a cavity to receive the top dielectric layer and the heater in the cavity. ... Watlow Electric Manufacturing Company








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