Patents Assigned to Caterpillar Inc
  • Patent number: 9840273
    Abstract: A steering system for a machine is disclosed. The steering system may include a first pilot system including a first pilot source and a first set of electrohydraulic valves, and a second pilot system including a second pilot source and a second set of electrohydraulic valves. The first pilot system and the second pilot system may be configured to move the steering valve via pilot flow of the hydraulic fluid. The steering system may further include an electrohydraulic selector valve configured to regulate pilot flow to the first set of electrohydraulic valves and the second set of electrohydraulic valves. The electrohydraulic selector valve may be a two-position, five-way valve.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: December 12, 2017
    Assignee: Caterpillar Inc.
    Inventors: Patrick Sullivan, Nathanael McRostie, Edward Mate, Beau Kuipers
  • Patent number: 9840000
    Abstract: A variable stroke control system for a hydraulic hammer is disclosed. The variable stroke control system may include an inlet groove formed around a piston associated with the hydraulic hammer and configured to receive pressurized fluid, and an outlet groove formed around the piston associated with the hydraulic hammer and configured to discharge the pressurized fluid. The variable stroke control system may further include a valve in fluid communication with the inlet groove and the outlet groove, and configured to selectively adjust a stroke length of the piston based on a change in pressure differential between the inlet groove and the outlet groove.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: December 12, 2017
    Assignee: Caterpillar Inc.
    Inventors: Vaino Esko Juvonen, Cody Moore
  • Patent number: 9841312
    Abstract: A method for estimating a quantity of a payload within a bed of a wagon coupled to a machine is provided. The method includes raising the bed of the wagon to a predetermined height. The method includes receiving a pressure signal indicative of a pressure in a hoist cylinder coupled to the bed of the wagon. The method also includes receiving a load signal indicative of a load at a hitch of the wagon. The method further includes estimating the quantity of the payload in the bed of the wagon based, at least in part, on a predetermined relationship between the pressure signal and the load signal.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: December 12, 2017
    Assignee: Caterpillar Inc.
    Inventors: Robert S. Vail, Thomas N. Brooks, Jr.
  • Patent number: 9840283
    Abstract: A frame assembly for a machine is disclosed. The frame assembly includes a main frame including a pair of spaced apart members extending longitudinally between the front and back of the machine and a front frame. The front frame includes a top plate having a first portion extending between the spaced apart members and a bottom plate coupled to the top plate. The bottom plate has a second portion extending between the spaced apart members. The front frame is connected to the main frame by attaching at least a portion of the first portion and at least a portion of the second portion to the spaced apart members.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: December 12, 2017
    Assignee: Caterpillar Inc.
    Inventors: Travis Ducheneaux, Kevin Miller, Rohit Gujarathi, Kenton Wyckoff
  • Patent number: 9840825
    Abstract: An implement end cutting-bit with a body having front, rear, top, bottom, inner side and outer side portions. The body has a cutting edge along a bottom interface between the front and bottom portions. The body has a flat front surface on the front portion extending between a top edge along a top interface between the front and top portions, an outer side edge along an outer side interface between the front and outer side portions, a ridge on the front portion, and a spearhead edge along the bottom interface between the outer side portion and the cutting edge. The body has a contoured front surface on the front portion of the body adjacent the flat front surface. The contoured front surface can be defined between an inner side edge, which is along an inner side interface between the front and inner side portions, the cutting edge, and the ridge.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: December 12, 2017
    Assignee: Caterpillar Inc.
    Inventors: Nick W. Biggs, Thomas Congdon
  • Publication number: 20170350091
    Abstract: An implement system includes a linkage and a bucket coupled with the linkage and movable between a dump position and a racked position. The bucket has a compound back section that forms a profile having a basin shape to assist in distributing material within the back section when the bucket is curled, and nesting the bucket close to the linkage. Related methodology is disclosed.
    Type: Application
    Filed: June 3, 2016
    Publication date: December 7, 2017
    Applicant: Caterpillar Inc.
    Inventor: David Worth
  • Publication number: 20170353037
    Abstract: A variable speed genset system is provided. The variable speed genset system may include a plurality of gensets, a switch assembly coupling one or more of the gensets to a common bus, a power electronics circuit selectively coupling the switch assembly to the common bus, and a controller in electrical communication with the gensets, the switch assembly and the power electronics circuit. The controller may be configured to designate any one or more of the gensets to operate as variable speed gensets and one or more of the remaining gensets to operate as constant speed gensets, engage the switch assembly to couple the variable speed genset to the power electronics circuit, and engage the switch assembly to couple the constant speed gensets to the common bus.
    Type: Application
    Filed: June 6, 2016
    Publication date: December 7, 2017
    Applicant: Caterpillar Inc.
    Inventor: Suresh Baddam Reddy
  • Publication number: 20170351230
    Abstract: A control system for a machine having at least one control element is disclosed. The control system includes multiple input sensors in communication with the control element. The input sensor generates an input signal based on an input to the control element. The control system includes multiple actuating members to control operations of the machine. The control system includes a controller in communication with the input sensors and the actuating members. The controller receives the input signal from the input sensor and determines an imposed hysteresis level corresponding to the input signal based on a hysteresis input function. The controller is further configured to generate a hysteresis conditioned input signal based on the imposed hysteresis level.
    Type: Application
    Filed: June 3, 2016
    Publication date: December 7, 2017
    Applicant: Caterpillar Inc.
    Inventors: Brian D. Kuras, Michael J. Barngrover, Sangameshwar Sonth
  • Patent number: 9836066
    Abstract: In hydraulic systems having rotating-stationary component interfaces, a bore pressure regulating mechanism is provided to interact with the hydraulic fluid in a control volume to maintain a hydraulic fluid pressure in a longitudinal shaft bore at or approximately equal to a supply pressure when a gear shaft rotates within the control volume. In one aspect, the bore pressure regulating mechanism minimizes vortex flow of the hydraulic fluid induced by the rotation of the gear shaft. In another aspect, the bore pressure regulating mechanism provides a direct feed of pressurized hydraulic fluid proximate an opening of the longitudinal shaft bore through an end surface of the gear shaft, and thereby minimizes the opportunity for the hydraulic fluid to be forced into vortex flow by the gear shaft in the area of the longitudinal shaft bore.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: December 5, 2017
    Assignee: Caterpillar Inc.
    Inventors: Brian James Williams, Mark Allen Batdorff, Timothy Lorentz, Jay Robert Steffen
  • Publication number: 20170344671
    Abstract: A model generation system for a machine is disclosed. The model generation system may have a database, a memory to store instructions, and a controller configured to execute the instructions to generate a plurality of interrelated data tables. The data tables may have a sensor table having a sensor row including sensor attributes, a calculation table having a calculation row including calculation attributes associated with a measurement from the sensor, and a fault indicator table including fault indicator attributes based on the measurement or the calculation. The controller may highlight the sensor row using a first color when the sensor table includes a tag identifier associated with the sensor, and highlight the sensor row using a second color when the sensor table does not include the tag identifier. The controller may display the highlighted sensor table on a display device and store the data tables in the database.
    Type: Application
    Filed: May 25, 2016
    Publication date: November 30, 2017
    Applicant: Caterpillar Inc.
    Inventors: Jeremy R. WILSON, James F. STASCAVAGE, Melinda F. VERGARA, Jeffrey M. MAUNTEL, Bradley DUPONT
  • Publication number: 20170344011
    Abstract: The disclosure relates to method for executing project plan at worksite including project location. The method includes receiving, the project plan and analyzing, by the control unit, the project plan to determine excavation locations and dumping locations. The method further includes determining properties of material associated with the excavation locations and the dumping locations. The method includes determining, by the control unit, if properties of material associated with the excavation locations are matching with the properties of material present at the dumping locations, and if properties of materials present at the excavation locations are matching with the properties of materials present at the dumping locations, by combining materials present at the excavation locations with the materials present at the dumping locations. The method includes instructing the machine to excavate materials.
    Type: Application
    Filed: May 31, 2016
    Publication date: November 30, 2017
    Applicant: Caterpillar Inc.
    Inventor: Kenneth L. Stratton
  • Publication number: 20170344933
    Abstract: A method for managing a supply chain may include acquiring property data regarding the supply chain, acquiring one or more objectives to be achieved by the supply chain, the supply chain including a plurality of supply chain entities including customers, manufacturing facilities, and distributing facilities, and a plurality of edges connecting the supply chain entities. The method may also include establishing a first supply chain model for the supply chain in a first geographic resolution based on the property data, determining a first solution for the first supply chain model, establishing a second supply chain model for the supply chain in a second and finer geographic resolution based on the first solution, determining a second solution for the second supply chain model, manufacturing products by manufacturing facilities based on the second solution, and distributing the manufactured products by the distributing facilities and edges based on the second solution.
    Type: Application
    Filed: May 27, 2016
    Publication date: November 30, 2017
    Applicant: Caterpillar Inc.
    Inventors: Anthony James GRICHNIK, Karunya JASTI, Santhosh Viswanath VAMARAJU, Lusine BAGHDASARYAN, Nichole Anne ALTON, Adam Daniel BYERLY, Marco VELUSCEK
  • Publication number: 20170342681
    Abstract: A replaceable bearing insert may include a bearing surface including a curvature configured to be complementarily contoured to a trunnion ball. The bearing surface may be configured to be in confronting engagement with the trunnion ball. An outer surface opposite the bearing surface may be configured to be received in confronting engagement with an inner surface of an adapter. A first semi-annular flange may extend radially outwardly beyond the outer surface. A second semi-annular flange may extend radially outwardly beyond the outer surface. The first semi-annular flange and the second semi-annular flange may be configured to extend along a first side and a second side of the adapter, respectively, such that the inner surface of the adapter is positioned between the first semi-annular flange and the second semi-annular flange.
    Type: Application
    Filed: May 27, 2016
    Publication date: November 30, 2017
    Applicant: Caterpillar Inc.
    Inventors: Eugene Alarilla Pascual, David J. Yanska, Matthew Ryan Swank, Chad M. Arnold
  • Publication number: 20170342538
    Abstract: Thermal spray coating compositions, methods of using thermal spray coating compositions, and remanufactured components are disclosed herein. A thermal spray coating composition can include about 7% to about 9% by weight aluminum, about 5% to about 7% by weight silicon, about 1% to about 3% by weight manganese, about 1% to about 14% by weight copper, with a remaining balance of iron. The thermal spray coating composition can include about 2% to about 12% by weight copper.
    Type: Application
    Filed: May 24, 2016
    Publication date: November 30, 2017
    Applicant: Caterpillar Inc.
    Inventor: Daniel Sordelet
  • Publication number: 20170345233
    Abstract: A monitoring system for a machine is disclosed. The monitoring system may have a database, a memory storing first instructions, and a controller configured to execute the first instructions. The controller may be configured to receive a first input including selection of a sensor associated with a component of the machine, and a second input specifying a machine state, defining a first operating condition associated with the component. The controller may also be configured to receive a third input specifying generation of a component parameter based on a measurement from the sensor, and a fourth input specifying a fault condition associated with at least one of the measurement and the component parameter. The controller may generate a rule-set, including second instructions based on the first input, the second input, the third input, and the fourth input. The controller may also store the rule-set in the database.
    Type: Application
    Filed: May 25, 2016
    Publication date: November 30, 2017
    Applicant: Caterpillar Inc.
    Inventors: Jeremy R. WILSON, James F. STASCAVAGE, Melinda F. VERGARA, Jeffrey M. MAUNTEL, Bradley DUPONT
  • Patent number: 9828987
    Abstract: A pump includes a reservoir configured to receive a fluid pressurized by a boost pump. The pump also includes at least one pumping mechanism configured to receive a first flow of fluid from the reservoir and direct the first flow of fluid into a discharge passage of the pump without pumping the first flow of fluid when priming the pump. The at least one pumping mechanism is disposed in the reservoir such that the fluid in the reservoir surrounds at least a portion of the at least one pumping mechanism. The discharge passage is configured to output the first flow of fluid from the pump. The pump further includes a bypass passage configured to communicate a second flow of fluid from the reservoir to the storage tank.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: November 28, 2017
    Assignee: Caterpillar Inc.
    Inventors: Joshua Wayne Steffen, Cory Andrew Brown
  • Patent number: D803899
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: November 28, 2017
    Assignee: Caterpillar Inc.
    Inventors: Douglas Serrurier, Mihai Mircea Balan, Jason Jura, Eric Sinn, Arun Venugopal
  • Patent number: D803900
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: November 28, 2017
    Assignee: Caterpillar Inc.
    Inventors: Douglas Serrurier, Jason Jura, Eric Sinn, Mihai Mircea Balan
  • Patent number: D804538
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: December 5, 2017
    Assignee: Caterpillar Inc.
    Inventors: Jennifer Brooks, Roger Recker
  • Patent number: D805112
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: December 12, 2017
    Assignee: Caterpillar Inc.
    Inventors: Douglas Serrurier, Jason Jura, Eric Sinn, Mihai Mircea Balan