| Patent Number |
Title Of Patent |
Date Issued |
| 7614381 |
Power system with an integrated lubrication circuit |
November 10, 2009 |
| A power system includes an engine having a first lubrication circuit and at least one auxiliary power unit having a second lubrication circuit. The first lubrication circuit is in fluid communication with the second lubrication circuit. |
| 7552712 |
Part-throttle performance optimization |
June 30, 2009 |
| A system and method for optimizing machine performance using speed shaping in a machine having an engine and a drivetrain implementing engine underspeed module receives a throttle command requesting an increase in engine speed and transmits the throttle command to the engine. If the |
| 7519462 |
Crowd force control in electrically propelled machine |
April 14, 2009 |
| A method of operating an electrically propelled machine includes the steps of, operating an electrical power source for the machine, and limiting an output torque of an electrical propulsion motor system of the machine based upon the occurrence of a crowd force condition of the machine. |
| 7462970 |
Power system |
December 9, 2008 |
| A power system includes an engine, a motor/generator operatively connected to the engine, and a starter operatively connected to at least one of the engine and the motor/generator. |
| 7400059 |
Electrical system architecture |
July 15, 2008 |
| An electrical system for a vehicle includes a first power source generating a first voltage level, the first power source being in electrical communication with a first bus. A second power source generates a second voltage level greater than the first voltage level, the second power |
| 7276815 |
Power management system |
October 2, 2007 |
| A method of managing power resources for an electrical system of a vehicle may include identifying enabled power sources from among a plurality of power sources in electrical communication with the electrical system and calculating a threshold power value for the enabled power sources. A |
| 7137839 |
Electrical connector |
November 21, 2006 |
| An electrical connector includes a female component having one or more receptacles, a first test receptacle, and a second test receptacle. The electrical connector also includes a male component having one or more terminals configured to engage the one or more receptacles, a first test |
| 7092848 |
Control system health test system and method |
August 15, 2006 |
| A method is provided for testing multiple elements of a work machine, including a control system, a component, a sub-component that is influenced by operations of the component, and a sensor that monitors a characteristic of the sub-component. In one embodiment, the method is perform |
| 7055486 |
Fluid delivery control system |
June 6, 2006 |
| A method of controlling the delivery of fluid to an engine includes receiving a fuel flow rate signal. An electric pump is arranged to deliver fluid to the engine. The speed of the electric pump is controlled based on the fuel flow rate signal. |
| 7030580 |
Motor/generator transient response system |
April 18, 2006 |
| A transient response system includes a power source operable to generate a power output and a transmission operatively coupled to the power source. The transient response system also includes a generator operatively coupled to the power source and a controller in communication with the |
| 6948783 |
Tension adjustment mechanism for a work machine |
September 27, 2005 |
| A method of operating a track-type machine having a drive wheel and an idler. The method includes operating the drive wheel to advance a drive track around the drive wheel and the idler thereby moving the track-type machine. The method further includes determining a force to be applied t |
| 6874695 |
Control system for, and a method of, heating an operator station of a work machine |
April 5, 2005 |
| There are situations in which an operator remains in an operator station of a work machine when an engine of the work machine is inactive. The present invention includes a control system for, and a method of, heating the operator station when the engine is inactive. A heating system of t |
| 6682155 |
Track tension adjustment management actuator |
January 27, 2004 |
| A track tension actuator is provided for a track assembly having, an idler wheel, a drive wheel, a drive track entrained about the drive wheel and idler, and a hydraulic motor operable to advance the drive wheel. A drive circuit is operable to supply pressurized fluid to the hydraulic mo |
