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Caterpillar Inc patents


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

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


Cryogenic fluid pump

A cryogenic fluid pump includes an outlet tube extending along the pump centerline, the outlet tube having an outlet passage that is fluidly in communication with the combined outlet and with a pump outlet opening, and a shroud that extends concentrically along the outlet tube and has an inner diameter that is larger than an outer diameter of the outlet tube such that a gap is formed in a radial direction between an inner surface of the shroud and an outer surface of the outlet tube, the gap extending along at least a portion of the outlet tube.. . ... Caterpillar Inc

System and method for lubricating a cryogenic pump

A cryogenic lng fuel system is provided that includes a tank for storing lng and a lng fill system including a lng inlet passage for directing a flow of lng into the tank. A cryogenic pump is in fluid communication with the tank and includes a pumping element at least partially immersed in the lng for directing the lng out of the tank and a seal. ... Caterpillar Inc

Fuel system having pump prognostic functionality

A fuel system is disclosed for use with an engine. The fuel system may have a plurality of fuel injectors, a common rail fluidly, a pump, and an outlet valve associated with the pump. ... Caterpillar Inc

Ducted combustion systems utilizing flow field preparation

A ducted combustion system includes a combustion chamber and a fuel injector in fluid connection with the combustion chamber, which includes an orifice opening from an injector tip of the fuel injector, the orifice injecting fuel into the combustion chamber as a fuel jet, the fuel jet flowing, within the combustion chamber, in a fuel flow direction. The system includes at least one duct disposed within the combustion chamber, the at least one duct being disposed such that the fuel jet, at least partially, enters one of the at least one ducts upon being injected into the combustion chamber. ... Caterpillar Inc

Tank for dry sump lubrication system

A tank for a dry sump lubrication system for an internal combustion engine is disclosed. The tank includes a body having a first portion, a second portion, and defines an inner chamber. ... Caterpillar Inc

System for securing bits against rotation

The present system is disclosed for use in securing bits against rotation in a motor grader. The bit securing system has at least two bits, and each bit has a respective shank. ... Caterpillar Inc

Counterweight supporting structure for construction machine

To improve the precision of position of a fastener hole and a seating face for mounting a counterweight, a counterweight supporting member is comprised of a support plate erected and fixed at the rear end of a revolving frame and a supporting member attached to the support plate. A cylindrical bolt fastening boss is provided on the supporting member in a manner of rotational position adjustable to the supporting plate and in which a fastener hole is formed at an eccentric position.. ... Caterpillar Inc

Systems and methods for calibrating additive manufacturing operations based on energy density

A system for additive manufacturing includes a laser configured to produce a laser beam having a laser spot area and configured to operate at a transverse speed. The system includes a power source configured to power the laser to selectively heat the powdered material at a configurable power level. ... Caterpillar Inc

Hydraulic system for a torque converter

A hydraulic circuit supplies pressurized hydraulic fluid to and from a torque converter that is operatively associated with a lockup clutch. The torque converter is disposed upstream of an outlet regulator that maintains a predetermined pressure in the torque converter. ... Caterpillar Inc

Lubrication system for a gearbox of a transmission system

A lubrication system for a gearbox of a transmission system includes an outlet line that is configured to allow an egress of oil from the gearbox. The lubrication system also includes a scavenging pump that is fluidly coupled with the outlet line and configured to draw oil from the gearbox via the outlet line. ... Caterpillar Inc

Combustion bowl of a piston for an engine

A piston for an engine may include a body. The body may extend between a first and second axial region. ... Caterpillar Inc

System and method for work tool recognition

A work tool recognition system for a work tool coupled to a machine is provided. The system includes an image capturing assembly configured to capture an image feed of the work tool. ... Caterpillar Inc

Reinforcement structure for boom of work machine

A reinforcement structure that reinforces a boom of a work machine having a top plate, a pair of side plates, and a bottom plate forming an inner space therebetween. The plates are configured to form a curved portion at the middle of the boom along the longitudinal direction. ... Caterpillar Inc

System for forecasting core return for remanufacturing

A system for forecasting core return for remanufacturing includes a cpu for executing machine instructions and a memory for storing machine instructions to be executed by the cpu, the machine instructions implementing various operations when executed by the cpu. The operations include receiving at the cpu historical machine data including warranty claims for units of a particular core machine part or assembly, determining from the historical machine data at least one of specific service and failure intervals for the units, determining an actual percent runtime of the units in the field, and forecasting a length of time until a sufficient number of the units of the particular core machine part or assembly needing remanufacturing will be returned to meet a minimum threshold quantity of core for remanufacturing. ... Caterpillar Inc

06/28/18 / #20180180687

Adjustable coil for magnetic particle inspection

An adjustable electric coil for magnetic particle inspection has a plurality of telescopically interconnected sections. Each of the interconnected sections includes a connector element and a conducting element. ... Caterpillar Inc

06/28/18 / #20180179997

Air intake system with membrane unit for siloxane removal

An air intake system for directing intake air to an internal combustion engine of a machine is disclosed. The air intake system may comprise an air compressor configured to increase a pressure of the intake air, and a membrane unit downstream of the air compressor and having a membrane with selectivity for siloxanes. ... Caterpillar Inc

06/28/18 / #20180179986

Piston for an internal combustion engine and method for producing said piston

A piston including a piston crown, the piston crown defining a combustion bowl with a bowl base and bottom surface. A failure initiation structure is provided on the bottom surface of the combustion bowl to initiate favorable fracture at predetermined loads. ... Caterpillar Inc

06/28/18 / #20180179892

Collision avoidance control method and system

A control method and system for avoiding collisions between components of a machine includes a controller that receives position signals from sensors associated with movable components of the machine. The controller determines the positional coordinate representations of the components within a coordinate system based upon the position signals and the outer dimensions of the respective components. ... Caterpillar Inc

06/28/18 / #20180179739

System and method for determining load distribution on a machine

A machine includes a frame supported on at least a first axle and a second axle and a work implement that is hydraulically powered to be displaced with respect to the frame. A powertrain disposed on the machine generates a first force for propelling the machine with respect to the ground. ... Caterpillar Inc

06/28/18 / #20180179737

Excavation utilizing dual hopper system

A guidance system and method for guiding excavation at an excavation site utilizes an excavating machine and an in-pit crusher and conveyer (ipcc) having a first hopper and a second hopper for receiving material. The guidance system can receive first hopper data associated with the first hopper and second hopper data associated with the second hopper and can process the first hopper data and second hopper data to determine a selected hopper for dispensing material. ... Caterpillar Inc

06/28/18 / #20180179732

Realtime payload mapping for loader/hauler system optimization

A payload optimization system is disclosed and may include one or more visual sensors operably coupled to a hauling machine and configured to scan and produce a payload body data set. The system may further include a loading machine including a payload bucket configured to load a payload into the payload body. ... Caterpillar Inc

06/28/18 / #20180179730

Cutter for dozing blade assembly and body section for same

A dozing blade assembly includes a dozing blade and a multi-piece cutter mounted to the dozing blade and including an elongate body having a first outer body piece and a second outer body piece that are mirror images of one another, and each including an inboard stem having a linear leading edge profile, and an integral outboard end bit having a curvilinear leading edge profile. The outer body pieces are structured for mounting to the dozing blade such that digging faces of the outer body pieces are oriented at a shallower angle than digging faces of the middle body piece, relative to a horizontal plane.. ... Caterpillar Inc

06/28/18 / #20180179719

Method of determining the compaction of a terrain of a worksite

A work machine is moved along a route over worksite terrain. Route data indicative of the route is recorded and an operating parameter data indicative of at least one operating parameter of the work machine is determined as the machine moves along the route. ... Caterpillar Inc

06/28/18 / #20180179614

High temperature alloy for casting engine valves

A high temperature alloy is disclosed. The high temperature alloy may have on a weight basis: about 9.0-10.0 weight % of co, about 0.25 weight % maximum of fe, about 8.0-9.0 weight % of cr, about 4.75-5.50 weight % of al, about 1.0-1.5 weight % of ti, about 0-2.0 weight % of mo, about 6.0-9.0 weight %, of w, about 0.12-0.18 weight % of c, about 0.01-0.03 weight % of zr, about 0.005-0.015 weight % of b, about 0.5-1.5 weight % of ta, a balance of ni, and incidental impurities.. ... Caterpillar Inc

06/28/18 / #20180178342

Work tool positioning system

The disclosure provides a work tool positioning system for a work machine comprising a movable work tool. The work tool positioning system comprises a work tool mounted at an end of a movable arm. ... Caterpillar Inc

06/28/18 / #20180178327

Method of remanufacturing a cylinder head

A method of remanufacturing a cylinder head comprises the steps of removing material from the cylinder head around at least a portion of a crack in the cylinder head to form a slot, and applying a compound material using direct laser deposition to fill the slot. The direct laser deposition includes performing a pre-scanning operation at a first laser power and a first scan speed, and depositing the compound material at a second laser power and a second scan speed. ... Caterpillar Inc

06/21/18 / #20180176740

Multi-radio system for communicating vehicle position

A communication system for a mobile machine is disclosed. The communication system may include a plurality of radio transceivers, each of the plurality of radio transceivers including positioning device configured to generate a respective machine position signal. ... Caterpillar Inc

06/21/18 / #20180175754

Adjustable pulse injection in electric machine control

A control system is provided for an electric machine having a rotor and a stator. The control system has a converter circuit in electrical communication with the stator and a controller in electrical communication with the converter circuit. ... Caterpillar Inc

06/21/18 / #20180175626

System, apparatus, and method for controlling load sharing of generator sets

A control system, apparatus, and method to control load sharing of multiple generator sets of a power supply system are described. Load transient set points to add an individual generator set can include a transient percentage threshold to characterize load transients as a load transient, a transient count threshold, and a transient count time period during which a detected number of load transients is compared with the transient count threshold. ... Caterpillar Inc

06/21/18 / #20180174778

Electrical generator connection apparatus

A connection apparatus includes a fixed board assembly and a selector board assembly. The fixed board assembly including a fixed board including a center axis and a plurality of contact pairs attached to the fixed board, each of a generator winding in electrical continuity with at least one of the plurality of contact pairs. ... Caterpillar Inc

06/21/18 / #20180174382

System and method for monitoring payload distribution and machine including same

A machine includes a frame, a suspension system mounted to the frame and including a plurality of struts, and a payload distribution monitoring system supported by the frame. The payload distribution monitoring system includes pressure sensors respectively arranged with the struts, a computer-readable medium bearing a payload distribution monitoring program, a controller, and an interface device. ... Caterpillar Inc

06/21/18 / #20180174378

System and method for monitoring machine hauling conditions at work site and machine including same

A machine includes a frame, a suspension system mounted to the frame and including a strut, and a hauling condition monitoring system supported by the frame. The hauling condition monitoring system includes a pressure sensor arranged with the strut, a geolocation unit, a computer-readable medium bearing a hauling condition monitoring program, a controller, and an interface device. ... Caterpillar Inc

06/21/18 / #20180174377

System and method for identifying machine work cycle phases

A system is disclosed for monitoring work cycles on a worksite including a truck and a loading machine. The system includes a communications interface, memory storing instructions, and a processing unit configured to execute the instructions. ... Caterpillar Inc

06/21/18 / #20180174246

System and method for monitoring fleet performance

Systems and methods for monitoring fleet performance are provided. An exemplary system has an information collection portal to collect data relating to fleet performance from a plurality of work sites, each work site being associated with at least one fleet performing work at that work site. ... Caterpillar Inc

06/21/18 / #20180174114

Lifecycle tracking for machine components

A system for tracking components of a machine and a method for tracking the lifecycle of a component for a machine is provided. The system may have an electronic chip having a serial number, wherein the electronic chip is integrated within a component of the machine. ... Caterpillar Inc

06/21/18 / #20180173221

Method and system for positioning a truck for loading

A method for positioning a truck for loading by a loading machine includes setting a loading spot location by the loading machine via a truck spotting system. The loading spot location is broadcast to trucks within a broadcast range. ... Caterpillar Inc

06/21/18 / #20180172661

Sensing system for detecting machine fluid degradation

A sensing system for sensing degradation of a machine fluid is disclosed. The sensing system may comprise a capsule including a dissolvable element. ... Caterpillar Inc

06/21/18 / #20180172637

Magnetic particle inspection tool with 3d printed magnets

A magnetic particle inspection tool is provided including a yoke with an inspection magnet, a first magnetic member, and a second magnetic member. The inspection magnet is configured to magnetize a work piece. ... Caterpillar Inc

06/21/18 / #20180172636

System for monitoring machine fluids

A system for monitoring machine fluids is provided. The system includes a fluid handling unit configured to pump the fluid and the fluid handling unit includes at least one fluid handling element. ... Caterpillar Inc

06/21/18 / #20180172543

Leak detection tool

A leak detection tool for a double walled fuel rail system is provided. The tool includes a body having a first end and a second end distal with respect to the first end. ... Caterpillar Inc

06/21/18 / #20180172363

Modular hydraulics

A work machine is provided. The work machine may include a power module configured to provide power including a battery and an engine coupled to a folding heat exchange device. ... Caterpillar Inc

06/21/18 / #20180172362

Modular power unit

A work machine is provided. The work machines may include a power module configured to provide power including a battery and an engine and configured to a folding heat exchange device. ... Caterpillar Inc

06/21/18 / #20180172147

System, method and apparatus to control machine acceleration when exiting a grade

A system, method, and apparatus for controlling acceleration of a machine when the machine exits a grade. The system, method, and apparatus may determine a virtual gear having a maximum speed limit equivalent that matches the speed of the machine as the machine exits the grade. ... Caterpillar Inc

06/21/18 / #20180172122

Electric linear actuator having planetary gear arrangement

An electric linear actuator is provided. The electric linear actuator may have a cylinder housing, an electric motor disposed inside the cylinder housing, a piston rod at least partially slidably disposed inside the cylinder housing, and a planetary gear arrangement disposed inside the cylinder housing and configured to connect the electric motor to the piston rod. ... Caterpillar Inc

06/21/18 / #20180172039

Energy recovery system and method for hydraulic tool

An energy recovery system includes cylinders that articulate a hydraulic tool in a pump mode to provide potential energy and in a motor mode to recover the potential energy. The energy recovery system includes a tank that stores a hydraulic fluid for the cylinders and an open circuit variable displacement pump that circulates the hydraulic fluid in the pump mode from the tank to the cylinders and in the motor mode from the cylinders to the tank. ... Caterpillar Inc

06/21/18 / #20180172037

System and method for providing hydraulic power

A hydraulic system for a machine includes a plurality of hydraulic component, wherein the hydraulic components include hydraulic actuators and hydraulic motors. The hydraulic system also includes a plurality of hydraulic circuits, and a plurality of hydraulic pumps for supplying hydraulic fluid to the plurality of hydraulic components via the hydraulic circuits. ... Caterpillar Inc

06/21/18 / #20180172031

Hydraulic fluid systems for machine implements

A hydraulic fluid system is provided for a work implement having a support plate, the work implement being provided on a machine having an auxiliary hydraulic fluid supply line and an auxiliary hydraulic fluid return line. The hydraulic fluid system includes a motor having an inlet port and an outlet port, and a mounting plate coupled to the support plate of the implement. ... Caterpillar Inc

06/21/18 / #20180172030

Fan control system with electro-hydraulic valve providing three fan motor operational positions

A fan control system includes a tank, a pump, a hydraulic motor, a fan, and a control valve. The control valve is adapted to selectively direct a flow of hydraulic fluid from the pump through the control valve into a pressure control chamber of the hydraulic motor or from the pressure control chamber to the tank to vary the control pressure therein to move the hydraulic motor's swashplate between forward and reverse positions. ... Caterpillar Inc

06/21/18 / #20180172005

Electronically-controlled compressed air system

A compressed air system may comprise an air compressor configured to generate compressed air, a reservoir configured to store the compressed air, a reservoir pressure sensor configured to monitor an actual reservoir pressure of the compressed air stored in the reservoir, an outlet valve configured to regulate a flow of the compressed air out of the reservoir, and an outlet electronic actuator configured to adjust a position of the outlet valve. The compressed air system may further comprise an electronic control module (ecm) configured to transmit a command to the outlet electronic actuator to cause the outlet electronic actuator to open the outlet valve when the actual reservoir pressure is above a target reservoir pressure, and transmit a command to the electronic actuator to cause the electronic actuator to close the outlet valve when the actual reservoir pressure is below the target reservoir pressure.. ... Caterpillar Inc

06/21/18 / #20180171962

Ignition system having combustion initiation detection

An ignition system for an engine is disclosed. The ignition system may have an igniter connected to selectively ignite a fuel mixture within the engine, at least one sensor configured to sense operation information of the engine and generate corresponding signals, and a controller in communication with the igniter and the at least one sensor. ... Caterpillar Inc

06/21/18 / #20180171955

System and method for valve seating detection

A system for detecting valve seating in a valve system such as a fuel admission valve system includes seat detection circuitry coupled with a low-side driver circuit in solenoid actuator circuitry for the valve system. The seat detection circuitry includes a voltage probe for sensing voltage in the solenoid actuator circuitry, delay circuitry, and a comparator coupled with the delay circuitry and the voltage probe and having an output dependent upon change in the sensed voltage over time. ... Caterpillar Inc

06/21/18 / #20180171900

Systems and methods to control cold transient response via air assist

A control system and method to control cold transient response of an engine. The control system can provide compressed air from a compressed air source to a turbocharger to boost speed of a turbine of the turbocharger, based on determined desired operating characteristics associated with upstream or downstream operation of the engine relative to the turbocharger. ... Caterpillar Inc

06/21/18 / #20180171889

Hybrid combustion system and method

An engine having at least a primary and secondary fuel supplies is configured to operate by determining a fueling mode for each of first and second groupings of cylinders, independently. A method, therefore, for operating the engine includes monitoring engine operating parameters with an electronic controller, determining an engine operating point based on the engine operating parameters, calculating a first operating mode of a first cylinder grouping based on the engine operating point, calculating a second operating mode of a second cylinder grouping based on the engine operating point, and selectively activating at least one of a diesel injector, a gaseous fuel injector and a spark device in each engine cylinder separately and selectively for each cylinder of the first and second cylinder grouping based on the engine operating point.. ... Caterpillar Inc

06/21/18 / #20180171881

Variable valve actuator having low-pressure relief

A valve actuation system is disclosed for an engine. The valve actuation system may have a variable valve actuator that is configured to engage a rocker arm and hold the valve at an open position regardless of motion of a cam lobe. ... Caterpillar Inc

06/21/18 / #20180171861

Useful life prediction system for cooling components

A system for determining a remaining useful life of a cooling component operatively connected to a prime mover. A controller performs a thermal strain analysis that includes determining the power output of the prime mover based upon sensor signals, determining a temperature output of the prime mover based upon the power output, determining a temperature at each of the plurality of analysis locations based upon the temperature output, determining a temperature difference based upon the temperature at each respective one of the plurality of analysis locations, and determining a thermal strain based upon the temperature difference. ... Caterpillar Inc

06/21/18 / #20180171852

Retention system for aftertreatment module

A retention system for use with an aftertreatment module is disclosed. The retention system may include a first support mat disposed on at least one surface of the at least one catalyst substrate. ... Caterpillar Inc

06/21/18 / #20180171837

Poppet valve for an internal combustion engine

A poppet valve has an elongated stem that is configured to extend along a longitudinal axis. The poppet valve further includes a valve body that is disposed laterally with respect to the longitudinal axis and located in a spaced apart relation with an end of the elongated stem. ... Caterpillar Inc

06/21/18 / #20180171799

Control system for machine having rotary cutting head

A control system may be provided for operating a machine having a rotary cutting head. The control system may include a wrist capable of rotating about a wrist axis, a gear mechanism capable of driving rotation of the wrist. ... Caterpillar Inc

06/21/18 / #20180171798

Machine control system for milling arched roof structures

A control system may be provided for a machine having a swivel chair, a positioning member attached to the swivel chair, a wrist attached to the positioning member, and a cutting head. The control system may include at least one actuator capable of extending and swinging the swivel chair. ... Caterpillar Inc

06/21/18 / #20180171796

Machine and method of cutting material

A machine includes an undercarriage having propulsions devices such as continuous tracks and a cutter head disposed on a cutter boom that is slidably supported over the undercarriage. During operation, the cutter head is positioned proximate to the cutting surface and may be maneuvered through a predetermined set of operations to make a plurality of horizontal or vertical cuts while feeding the cutter head into the surface. ... Caterpillar Inc

06/21/18 / #20180171794

Implement system for machine and operating method therefor

An implement system for a machine includes a boom housing a drive mechanism for a cutting implement, and having a plurality of oil outlet ports formed therein. A control mechanism is configured to receive data indicative of an expected change in location of the outlet ports relative to an oil fill line within the boom, and vary a pattern of incoming oil flow to limit entrainment of air in the oil.. ... Caterpillar Inc

06/21/18 / #20180171792

Machine and method of cutting material

A machine for cutting material includes an undercarriage including propulsion device for propelling the machine and a cutter head disposed on a tool support and positioning assembly movably supported by the undercarriage to remove material from a cutting surface. The machine further includes a plurality of ground-engaging devices connected to the undercarriage that can be simultaneously raised and lowered with respect to a ground floor. ... Caterpillar Inc

06/21/18 / #20180171601

Implement ground engaging tip assembly having tip with tapered retention channel

A ground engaging tip of a ground engaging tip assembly includes an adapter that attaches to the base edge and having a forwardly extending adapter nose, and a ground engaging tip. The tip has a rear edge and a top and bottom outer surfaces. ... Caterpillar Inc

06/21/18 / #20180171600

Implement tip assembly having tip with support rib

A ground engaging tip of a ground engaging tip assembly includes an adapter configured for attachment to the base edge of the implement and having a forwardly extending adapter nose. The ground engaging tip has a rear edge, a top outer surface, and a bottom outer surface. ... Caterpillar Inc

06/21/18 / #20180171599

Implement tip assembly having tip with wear indicator

A ground engaging tip of a tip assembly for a base edge of a ground engaging implement has an adapter configured for attachment to the base edge of implement and having a forwardly extending adapter nose. The ground engaging tip has a rear edge, a top outer surface, and a bottom outer surface. ... Caterpillar Inc

06/21/18 / #20180171597

Excavator linkage angle determination using a laser distance meter

An excavator calibration framework comprises an excavator, a laser distance meter (ldm), and a laser reflector. The excavator comprises a linkage assembly (la), implement, and controller. ... Caterpillar Inc

06/21/18 / #20180171595

Working arm device of construction machine

A front linkage for a construction machine which can uniquely calculate the rotation angle of the work tool relative to the arm and which can prevent the angle detection device from being damaged by contact with the soil during digging. The front linkage has an arm, a first link pivotally connected at one end to the front end side of the arm, and at the other end to one end of a second link, and a work tool which is pivotally connected to the other end of the second link and which is pivotally connected to the arm in a further front end side than the one end portion of the first link. ... Caterpillar Inc

06/21/18 / #20180171593

Power limiting stress-strain monitor system and method for machine

A power limiting stress-strain monitor system for a machine includes at least one stress-strain sensor supported on a structural component of the machine. The power limiting stress-strain monitor system also includes an electronic controller including a processor and a memory. ... Caterpillar Inc

06/21/18 / #20180171589

Counterweight supporting structure for construction machine

To improve the precision of position of a fastener hole and a seating face for mounting a counterweight, a counterweight supporting member is comprised of a support plate erected and fixed at the rear end of a revolving frame and a supporting member attached to the support plate. The supporting member is comprised of a base member that is locked and secured to a through hole opened on the support plate in a back and forth adjustable manner and has a counterweight fixing surface and a bolt fastening member in which a fastener hole for receiving a fastener bolt is formed.. ... Caterpillar Inc

06/21/18 / #20180171587

Serrated cutting edge with ceramic insert

A blade for use with a grading machine comprises an attachment portion, a working portion including a plurality of teeth, each tooth defining a bore, and a plurality of wear resistant inserts retained in the bores of the teeth.. . ... Caterpillar Inc

06/21/18 / #20180171586

Scarifier board for motor graders

A scarifier board comprises a rectangular attachment portion defining a width, a height and a thickness and the attachment portion includes a front face and a back face, and a first plurality of mounting apertures extend through the front face and the back face. The board also includes a working portion defining a plurality of anti-rotation grooves and a plurality of working zones therebetween having a wear resistant material, and the working portion includes a strip of wear resistant material disposed immediately below the attachment portion.. ... Caterpillar Inc

06/21/18 / #20180171585

Undercarriage drive module

A work machine may include a power module including a battery and engine and configured to provide power. The work machine also includes a drive module configured with one or more motors and positioned over a track roller frame. ... Caterpillar Inc

06/21/18 / #20180171584

Assisted ripping

A plurality of work machines are provided. The plurality of work machines may each include a power module including a battery and an engine and configured to provide power. ... Caterpillar Inc

06/21/18 / #20180171583

Modular electric drive autonomous ttt

An electric drive machine includes a power module configured to provide power including a battery and an engine coupled to a folding heat exchange device. The electric drive machine may also include a drive module configured with one or more motors and positioned over a track roller frame. ... Caterpillar Inc

06/21/18 / #20180171581

Excavator implement angle determination using a laser distance meter

An excavator calibration framework comprises an excavator, a laser distance meter (ldm), and a plurality of laser reflectors. The excavator comprises a chassis, linkage assembly (la), implement, and control architecture. ... Caterpillar Inc

06/21/18 / #20180171580

Excavator four-bar linkage length and angle offset determination using a laser distance meter

An excavator calibration framework comprises an excavator, a laser distance meter (ldm), and a laser reflector. The excavator comprises a chassis, linkage assembly (la), sensor, implement, and control architecture. ... Caterpillar Inc

06/21/18 / #20180171579

Excavator control achitecture for generating sensor location and offset angle

An excavator is disclosed including a chassis coupled to a boom point a, a sensor on a limb, an implement, an architecture, and a linkage assembly (la) including a boom and a stick coupled to a boom point b. The architecture comprises one or more la actuators and a controller that generates a sensor location ν and offset angle ϕ and is programmed to: pivot the limb (either the boom or stick) about a pivot point (respectively, a or b) and generate a set of sensor signals. ... Caterpillar Inc

06/21/18 / #20180171576

Indication system for a quick coupler assembly

An indication system associated with a coupler assembly is provided. The indication system includes a sensing element affixed to the coupler assembly. ... Caterpillar Inc

06/21/18 / #20180171568

Wear monitoring system for milling drum

A milling drum is disclosed for use with a cold planer. The milling drum may have a cylindrical body, a flighting plate affixed to an outer surface of the cylindrical body, a base block affixed to the fighting plate and having a first bore, a tool holder disposed in the first bore of the base block and having a second bore, a cutting tool disposed in the second bore of the tool holder, and a paddle affixed to the outer surface of the cylindrical body adjacent the fighting plate. ... Caterpillar Inc

06/21/18 / #20180170722

Rotation control system for material handling machines

A rotation control system may be provided for a material handling machine. The rotation control system may include a boom and a work tool attached to the boom. ... Caterpillar Inc

06/21/18 / #20180170685

Material management system and method for an in-pit crusher and conveyer

A material management system and method manages and tracks the progress of excavated material transferred through an excavation site by a conveyer system operating in cooperation with an in-pit crusher and conveyer (ipcc). The material management system distinguishes the material dispensed into the ipcc into identified material batches. ... Caterpillar Inc

06/21/18 / #20180170463

Track support rail for supporting track assembly of machine, track support assembly, and method of using same

A track support rail for slidably supporting a track assembly of a machine includes a body having a first body end, a second body end, a crown portion, and an upper support surface. The body extends along a longitudinal axis between the first and second body ends. ... Caterpillar Inc

06/21/18 / #20180170408

Adjustable weight transfer system for bogie

A bogie for a train vehicle includes two side frames, each side frame including two axle openings, each axle opening disposed on a corresponding end of the respective side frame, each side frame further forming a central slot disposed between the two axle openings; two wheelsets, each wheelset including an axle passing through two opposing axle openings between the two side frames; and a central beam having two ends, each end being slidably disposed within a corresponding central slot such that the central beam is disposed generally parallel to the axles of the two wheelsets and is slidable towards or away either of the two wheelsets.. . ... Caterpillar Inc

06/21/18 / #20180170369

System and method for collision mitigation during machine articulation

A system and method for mitigating collisions for an articulated work vehicle is disclosed. The system includes a controller configured to determine a safe-zone around the articulated work vehicle based on signals corresponding to sensed objects around the articulated work vehicle. ... Caterpillar Inc

06/21/18 / #20180169849

Shoed hydraulic hammer piston

A piston for a hydraulic hammer assembly is provided. The piston may include an elongate member extending from a distal end to a proximal end and having a first outer diameter, a flange disposed on the elongate member and having a second outer diameter greater than the first outer diameter, and a non-ferrous shoe radially disposed on the flange.. ... Caterpillar Inc

06/21/18 / #20180169848

Hammer work tool having multi-position retention collar

A work tool for a hammer is disclosed. The work tool may include a first terminal end having a planar surface, and a second terminal end opposite the first terminal end and including a tool tip. ... Caterpillar Inc

06/21/18 / #20180169804

Control panel disassembly apparatus and method

A workstation for disassembling a control panel having a first side and a second side is disclosed. The workstation may include a fixture mounted to the workstation that receives the control panel to be disassembled. ... Caterpillar Inc

06/14/18 / #20180166995

Inverter assembly for electric power system

An inverter assembly for a power system is provided. The inverter assembly includes a plurality of stackable housing members and a plurality of inverter units received within the plurality of stackable housing members. ... Caterpillar Inc

06/14/18 / #20180165884

Tool erosion detecting system using augmented reality

A tool erosion detecting system for a machine having a ground engaging tool is disclosed. The tool erosion detecting system may include a camera configured to generate a first image of the ground engaging tool on a display device, an input device configured to receive a user input, and a controller in communication with the camera and the input device. ... Caterpillar Inc

06/14/18 / #20180165502

Vehicle classification and vehicle pose estimation

A method of classifying a work machine within a worksite is provided. The method may include receiving one or more captured images of the work machine from one or more image capture devices, identifying at least two classifiers within the captured images of the work machine, determining spatial relationships between the classifiers within the captured images, determining a classification and a pose of the work machine based on the spatial relationships, and displaying analytics based on the classification and the pose of the work machine.. ... Caterpillar Inc

06/14/18 / #20180164994

Operator interface for wireless sensing and system and method thereof

An apparatus to wirelessly monitor selected sensors of a machine having a plurality of sensors includes a touchscreen display configured to display a graphical user interface (gui) and a processor or processing circuitry that receives and analyzes data wirelessly transmitted from the selected sensors. Selection of the sensors can include display on the gui of a first user input to receive a selection to select the machine from a predetermined list of machines, a second user input to receive an input to identify and monitor one or more operating characteristics of the machine, and a third user input to receive one or more inputs to individually associate sensor identifiers with graphics corresponding to the candidate sensor selection locations to select the sensors from which to receive and analyze data to monitor the one or more operating characteristics of the machine.. ... Caterpillar Inc

06/14/18 / #20180163838

Powertrain system with variator speed balancing

A powertrain system for a machine includes a hydraulic variator assembly coupled with a mechanical transmission, and a speed balancing system including a hydraulic accumulator, and being configured to limit a speed balancing error between first and second variators in the variator assembly by commanding adjustment of a valve mechanism to fluidly connect a hydraulic accumulator with one of the variators to increase a fluid flow rate therethrough. The hydraulic accumulator can be charged by way of an implement system in a machine driven by way of the powertrain system.. ... Caterpillar Inc

06/14/18 / #20180163834

Drive assembly having compound planetary arrangement

A final drive is disclosed for use with a drive assembly of a mobile vehicle. The final drive may have a sun gear, a ring gear, and a plurality of planet gears. ... Caterpillar Inc

06/14/18 / #20180163762

Shearing fastener for sealing a fastener hole

A shearing fastener for sealing a fastener hole in a work piece includes a shank, a plug, and a fastener head. The fastener head is disposed along the upper end of the shank, while the lower end of the shank further includes a transition section that tapers inward and intersects with an upper surface of the plug at a neck. ... Caterpillar Inc

06/14/18 / #20180163718

Pump plunger for a linearly actuated pump

A pump plunger is disclosed. The plunger may include a proximal end and a distal end opposite the proximal end. ... Caterpillar Inc

06/14/18 / #20180163684

Common rail accumulator clamp

An accumulator clamp for an accumulator assembly in an engine assembly is disclosed. The accumulator assembly further includes an accumulator body and a fuel line adapter connected thereto, and the accumulator assembly is mountable into a cylinder head accumulator bore of a cylinder head. ... Caterpillar Inc

06/14/18 / #20180163677

Partial travel solenoid valve actuation arrangement

A valve assembly for a fuel pump is provided. The valve assembly may include an inlet valve limited to a first range of travel extending between a fully closed position and a fully opened position of the inlet valve, a valve pin coupled to the inlet valve, an armature pin selectively engaging the valve pin, and an armature coupled to the armature pin and limited to a second range of travel extending between an engaged position and a disengaged position that is less than the first range of travel.. ... Caterpillar Inc

06/14/18 / #20180163609

Hybrid thermostat and method for operating same

A hybrid thermostat valve for a machine includes an inlet port, a first outlet port and a second outlet port. A sealing member located between the inlet port and the first outlet port includes holes providing a first channel of fluid communication between the inlet port and the first outlet port. ... Caterpillar Inc

06/14/18 / #20180163600

Compact hydrocarbon dosing and mixing system and method

A system to dose and mix hydrocarbon is disclosed, which includes a twin-parallel turbocharger equipped engine, a mixer coupled to exhaust outlets of the turbines of the twin-parallel turbocharger equipped engine, and a hydrocarbon dosing unit coupled to the mixer. A method of manufacturing the compact hydrocarbon dosing and mixing system is also disclosed, as is a method of dosing and mixing hydrocarbon.. ... Caterpillar Inc

06/14/18 / #20180163379

Modular sidebar protecting wear member and system

A sidebar protecting wear member includes a module having a length extending in a length direction from a first end to a second end, and a width extending in a width direction from a first side to a second side, and a main body portion extending along only a first portion of the length of the module and across the entire width of the module. The module includes a first projecting element adjacent the first end of the module and extending along a second portion of the length to the first end of the length, and extending across only a first portion of the width of the module, and a second projecting element adjacent the second end of the module and extending along a third portion of the length to the second end of the length, and extending across only a second portion of the width of the module.. ... Caterpillar Inc

06/14/18 / #20180163378

Modular sidebar protecting wear member and system

A sidebar protecting wear member includes a module having a length extending in a length direction from a first end to a second end, and a width extending in a width direction from a first side to a second side, the length being greater than the width. The module includes a generally planar surface and a first sidebar engaging abutment protruding from the generally planar surface adjacent the first end and a second sidebar engaging abutment protruding from the generally planar surface adjacent the second end. ... Caterpillar Inc

06/14/18 / #20180163376

System and method for modifying a material movement plan

A system for moving material with a work implement includes an image display device, an operator input device, and a position sensor. A controller is configured to determine a position of a work surface at a work site, display a portion of the work site on the image display device including an operational location at the work area, modify a position of the operational location on the image display device with the operator input device to define a modified operational location, generate a material movement plan based upon the position of the work surface and modified operational location, and generate command instructions to move the machine according to the material movement plan.. ... Caterpillar Inc

06/14/18 / #20180163373

Active damping ride control system for attenuating oscillations in a hydraulic actautor of a machine

A ride control system includes four independent metering valves (imvs) that are independently and selectively controlled by a controller for attenuating oscillations in a hydraulic actuator of a machine. The controller is configured to open at least one of the imvs for supplying pressurized fluid from a tank to a head end chamber of the hydraulic actuator when a pressure of the head end chamber drops to a value less than an initially registered pressure. ... Caterpillar Inc

06/14/18 / #20180163369

Track assembly of machine

A track assembly of a machine having a pair of parallel main tracks is provided. The pair of parallel main tracks is mounted to a chassis for supporting the machine on a ground surface. ... Caterpillar Inc

06/14/18 / #20180163368

Column demolishing tool

A tool for demolishing a column, including a tool frame defining an interior work space. The interior work space is sized and shaped to at least partially surround a portion of the column. ... Caterpillar Inc

06/14/18 / #20180163367

Dual blade implement system

An implement system for a machine includes a primary blade and a secondary blade coupled to the primary blade through a linkage mechanism such that the secondary blade is trailing the primary blade. The implement system includes an actuator which controls a movement of the secondary blade. ... Caterpillar Inc

06/14/18 / #20180163363

Excavator implement length and angle offset determination using a laser distance meter

A framework comprises a laser distance meter (ldm), first and second laser reflectors at respective nodes, and an excavator including a chassis, a linkage assembly (la) including a boom and stick, an implement including the nodes and tilting about axis ta, an implement sensor generating signal θtilt, and architecture. The ldm generates ldm distance signals dldm and ldm angle of inclination signals θinc between the ldm and the laser reflectors. ... Caterpillar Inc

06/14/18 / #20180163362

Boom assembly of machine

The present disclosure provides a load carrying member for a machine. The load carrying member includes an outer shell, an inner shell disposed within the outer shell. ... Caterpillar Inc

06/14/18 / #20180162507

Guiding arrangement for retractable thruster

The present disclosure relates to a guiding arrangement for a retractable thruster assembly. The guiding arrangement may comprise a foundation plate, a first upper guide, a second upper guide, a first lower guide, and a second lower guide. ... Caterpillar Inc

06/14/18 / #20180162466

Bushiing for track assembly

A bushing is provided for use in a track assembly including a plurality of link members forming a track chain, a plurality of pin members configured to couple adjacent link members, a plurality of bushings configured to receive the pin members, and a drive sprocket including a plurality of teeth configured to engage with the plurality of bushings. The bushing may include a central axial bore configured to receive a pin member. ... Caterpillar Inc

06/14/18 / #20180162441

Emergency steering pump system for a machine

An emergency steering pump system for a primary pump providing a standby pressure via a primary output line includes a load sense line that is configured to branch-off from the primary output line. The load sense line has a first orifice disposed therein. ... Caterpillar Inc

06/14/18 / #20180162413

Control system for a machine

A control system for a machine is provided. The control system may have a door sensor configured to generate a closed signal when a door of a cab of the machine is in a closed position. ... Caterpillar Inc

06/14/18 / #20180162065

Control systems and methods to optimize machine placement for additive construction operations

A control system for a machine, operating on a worksite is associated with an implement, which perform additive construction operations in accordance with a pre-determined implement control plan. The system includes a positioning system, one or more implement control actuators, and a controller. ... Caterpillar Inc

06/14/18 / #20180162011

Systems and methods for preparing a worksite for additive construction

A system for preparing a worksite for an additive construction operation includes a positioning system configured to determine positioning signals including topographical characteristics of the worksite. An additive construction plan includes, at least, structure placement data, configured for a desired location for constructing the structure, and toolpath instructions for guiding the implement to construct the structure. ... Caterpillar Inc

06/14/18 / #20180161947

Machining fixture with quick release lever

A fixture for supporting a workpiece during a machining operation is disclosed. The fixture may include a seat configured to receive the workpiece. ... Caterpillar Inc

06/14/18 / #20180161941

Structure having stress protected groove weld and structural members forming the same

A structural member is disclosed. The structural member includes a body having a first surface, a second surface, and an end surface at an end portion of the structural member. ... Caterpillar Inc

06/14/18 / #20180161933

Laser cladding using flexible cord of hardfacing material with diamond

A method of hardfacing a component includes generating a laser beam and directing the laser beam to an area of a wear surface of the component. The method includes feeding a flexible cord of a cladding material into the laser beam to melt the flexible cord and produce a bead of the cladding material on the wear surface. ... Caterpillar Inc

06/14/18 / #20180161708

Fluid filter system

A fluid filter system is provided having a canister, a bowl, and a filter positioned inside the canister. The filter includes a sleeve defining a reservoir with filter media surrounding the reservoir. ... Caterpillar Inc

06/07/18 / #20180156323

Side pinion differential locking mechanism

A differential assembly is disclosed, including a housing forming an interior space, and a shaft may extend into a portion of the interior space of the housing. A side gear including an aperture may be arranged within the interior space and an end portion of the shaft is aligned and extends through the aperture. ... Caterpillar Inc

06/07/18 / #20180156244

Split spool valve

A hydraulic system is disclosed. The hydraulic system may include a source of pressurized fluid; a tank; a hydraulic actuator including a first chamber and a second chamber; a first independent metering valve disposed between and fluidly connected to the source, the tank, and the first chamber of the hydraulic actuator; and a second independent metering valve disposed between and fluidly connected to the source, the tank, and the second chamber of the hydraulic actuator. ... Caterpillar Inc

06/07/18 / #20180156230

Fan hub stiffener

A fan hub stiffener is provided. The stiffener occupies a gap between parallel fan hub plates to reduce or eliminate stress on the plates during operation. ... Caterpillar Inc

06/07/18 / #20180156149

System and method for detecting a fault condition associated with a valvetrain of an engine

A system for detecting a fault condition in a valvetrain of an engine is configured to measure one or more operating parameters associated with the engine and determine if the operating parameters satisfy pre-defined corresponding boundary conditions. If so, a pair of values of at least one performance parameter is measured corresponding to measurement on a first and second bank of cylinders present on the engine. ... Caterpillar Inc

06/07/18 / #20180156094

Exhaust aftertreatment system, apparatus, and method

A component of the exhaust aftertreatment system includes a metallic body having a tapered portion. The component of the exhaust aftertreatment system further includes a curved plate arranged within the tapered portion of the metallic body. ... Caterpillar Inc

06/07/18 / #20180156093

Inlet diffuser for exhaust aftertreatment system

An exhaust aftertreatment system includes a housing including first and second axial ends. An exhaust inlet is disposed adjacent the first axial end. ... Caterpillar Inc

06/07/18 / #20180156082

Regulator assembly

A regulator assembly having a main body is provided. The main body includes a first passage extending from a first end and a second passage extending from the first passage towards a second end. ... Caterpillar Inc

06/07/18 / #20180155898

System and method for manufacturing bucket

A method of manufacturing a bucket by casting includes determining a volumetric capacity of the bucket. A modular mold assembly is configured by selecting a cope box and a drag box from multiple cope boxes and drag boxes based on the volumetric capacity of the bucket. ... Caterpillar Inc

06/07/18 / #20180155882

Impact wear plates for vibratory plate compactor

A vibratory plate compactor is disclosed. The vibratory plate compactor may comprise a base plate configured to vibrate and compact a work surface, and an upper yoke having at least one leg disposed above and facing the base plate. ... Caterpillar Inc

06/07/18 / #20180154955

Joint bushings for track joint assemblies

A thrust ring comprises a body including a cylindrical outer surface, a cylindrical inner surface, defining a central axis, an axial direction, a circumferential direction, a first axial end, a second axial end, and at least one recess on the first axial end, and at least one protrusion extending from the cylindrical inner surface toward the central axis.. . ... Caterpillar Inc

05/31/18 / #20180150931

Screen zoom feature for augmented reality applications

A computing device has a cpu and a digital camera configured to capture a digital image of a portion of a machine and send the digital image to the cpu for processing. An interactive display of the computing device renders the digital image. ... Caterpillar Inc

05/31/18 / #20180150779

System and method for optimizing a material moving operation

A system for determining a lowest cost distal end dump location is provided. A controller determines an amount of material to be moved from the first work area to the second work area, and evaluates a plurality of potential distal end dump locations at the second work area to determine a cost associated with moving the material at the second work area to form each second work area material configuration and select a lowest cost distal end dump location corresponding to a lowest cost second work area material configuration.. ... Caterpillar Inc

05/31/18 / #20180150070

Portable inspection and control device

An inspection assembly for a machine is provided. The inspection assembly includes a portable computing device. ... Caterpillar Inc

05/31/18 / #20180148904

Excavator limb length and offset angle determination using a laser distance meter

A framework comprises a laser distance meter (ldm), reflector, and excavator comprising a chassis, linkage assembly (la), boom and stick sensors, implement, and control architecture. The la comprises a boom and stick defining la positions. ... Caterpillar Inc

05/31/18 / #20180148111

Master track link tooth profile machining

A method for manufacturing a master track link comprises machining a rough tooth profile using a milling process, and machining a finished tooth profile using a milling process.. . ... Caterpillar Inc

05/31/18 / #20180147708

Latch mechanism for retaining and removing a valve body of a hydraulic hammer

A method of retaining and removing a valve locking body from a powered hammer assembly comprises inserting a locking member into a radially extending aperture of a cylinder, inserting a spring until the spring contacts the locking member; and inserting a keeper radially inwardly of the spring and the locking member and attaching the keeper to the cylinder.. . ... Caterpillar Inc

05/24/18 / #20180143625

Command for under ground

A mas for a machine that includes an implement, and a related method of controlling such machine is provided. The mas may comprise a plurality of vehicle ecms, a local transceiver, an ethernet lan, a first can, an aecm, an environment monitoring system and an rsm. ... Caterpillar Inc

05/24/18 / #20180142679

Cryogenic pump

A cryogenic pump includes a pressurization assembly configured to be submerged in a cryogenic liquid; a hydraulic actuation assembly; and a transmission assembly in communication between the pressurization assembly and the hydraulic actuation assembly. The transmission assembly including a conduit having a first end adjacent the hydraulic actuation assembly and a second end adjacent the pressurization assembly. ... Caterpillar Inc

05/24/18 / #20180142650

Air filter with fluted media and stand-alone preform shell

A stand-alone air filter assembly has a unitary molded plastic preform shell, with the preform shell including an inlet section, an outlet section, and a hose connection section integral with a downstream end of the outlet section. A filter media pack including a fluted filter media member is fitted inside the inlet section of the preform shell through which unfiltered air enters the air filter assembly. ... Caterpillar Inc

05/24/18 / #20180142633

System, method, and apparatus to control gas substitution characteristic in dual fuel engine

A system, method and apparatus for controlling a gas substitution characteristic in a dual fuel engine are provided. The gas substitution characteristic can be controlled based on measured characteristics directly or indirectly associated with operation of the dual fuel engine, including intake manifold air pressure (imap), load of the dual fuel engine, ambient air temperature, exhaust temperature, fan speed, and/or pressure of natural gas supplied to the dual fuel engine. ... Caterpillar Inc

05/24/18 / #20180142632

Gaseous fuel internal combustion engine and operating method therefor

Operating a gaseous fuel engine includes injecting a pilot charge directly into a combustion chamber in an engine, and igniting one spray plume of the pilot charge. A flame front is propagated to other pilot spray plumes to produce an ignition flame for igniting later injected main charge spray plumes. ... Caterpillar Inc

05/24/18 / #20180142629

Mitigation of intermittent cylinder misfire on dual fuel engines

A control system for a dual fuel engine having a liquid fuel supply and a gaseous fuel supply is disclosed. The control system may include at least one sensor operably coupled to a cylinder of the dual fuel engine and configured to monitor cylinder condition and transmit a cylinder condition signal. ... Caterpillar Inc

05/24/18 / #20180142602

Dust ejector and exhaust tube assembly

A dust ejector and exhaust tube assembly is provided. The dust ejector and exhaust tube assembly comprises an exhaust tube, and a dust ejector tube at least partially located within the exhaust tube. ... Caterpillar Inc

05/24/18 / #20180142444

Hydraulic circuit and working machine

Provided are a hydraulic circuit and a work machine capable of improving an initial motion speed of a hydraulic cylinder during a contraction of the hydraulic cylinder and securing a necessary pump flow rate while hydraulic fluid is being accumulated in an accumulator. Hydraulic oil from a head side of a second boom cylinder is regenerated in a first boom cylinder and the second boom cylinder through a second control valve of a regeneration circuit. ... Caterpillar Inc

05/24/18 / #20180142441

System and method for operating a material-handling machine

A machine includes a power generation system; a propulsion system; a work implement coupled to a body of the machine via a linkage that includes at least one actuator; a perception system configured to generate a signal that is indicative of a position of the machine relative to a material receptacle; and a controller operatively coupled to the perception system, the propulsion system, the power generation system, and the at least one actuator. The controller is configured to receive the signal from the perception system, determine a location of the work implement relative to the material receptacle based at least in part on the signal from the perception system, and actuate at least one of the propulsion system, the power generation system, and the at least one actuator based on the determined location of the work implement relative to the material receptacle.. ... Caterpillar Inc

05/24/18 / #20180141759

Material handling system and method of operating the same

A material handling system for use in an underground mining comprises a conveyor. The conveyor transports material from a plurality of draw points along a first direction. ... Caterpillar Inc

05/24/18 / #20180141170

Restoration of cast iron using iron powder

A method to restore a cast iron part is provided. The method includes providing the cast iron part with an impaired surface. ... Caterpillar Inc

05/24/18 / #20180141082

Method for coating internal surfaces

A method for coating an internal surface of a component including preparing the internal surface, coating with chemical deposition fluid and curing the coating, is provided. The method includes flushing the internal surface with a supercritical fluid, for preparing the internal surface. ... Caterpillar Inc

05/24/18 / #20180140978

Sensing system for detecting machine fluid degradation

A sensing system for detecting degradation of a machine fluid is disclosed. The sensing system may comprise a tag having electrical contacts. ... Caterpillar Inc

05/24/18 / #20180140975

Dual loop fuel filtration system with controller

A filtration system is provided. The system provides a first filtration loop that provides one or more passes through a first filter using a first pump and a second filtration loop that provides one or more passes through a second filter using a second pump. ... Caterpillar Inc

05/17/18 / #20180135800

System and method for preventing air in lubricant supply lines

A lubrication system for a hydraulically operated tool has a common lubricant supply manifold that receives a lubricant from one or more lubricant reservoirs. The common lubricant supply manifold includes an inlet port through which the lubricant is received and an exit port fluidly coupled with a lubricant supply line. ... Caterpillar Inc

05/17/18 / #20180135708

Apparatus having automatic centrifugal brakes for wheels

An apparatus including a shaft, a wheel cylindrically mounted on the shaft, a cylinder coaxial with the wheel and having an inner wall, and at least two centrifugal braking assemblies mounted on the wheel uniformly distributed in a circumferential direction is provided. Each centrifugal braking assembly includes a brake member pivotally mounted on the wheel and having at least one curved friction surface, a cam pivotally mounted on the wheel and in slidable contact with the brake member, and a spring connected between the cam and a pin mounted on the wheel. ... Caterpillar Inc








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