| Patent Number |
Title Of Patent |
Date Issued |
| RE38632 |
Propulsion control apparatus and method for a paver |
October 19, 2004 |
| An apparatus is disclosed for controlling the propulsion and steering of a machine. The machine includes a hydrostatic system that drives a pair of ground engaging traction devices. An electronic controller receives operator signals indicative of a desired travel speed and direction, and |
| 7532640 |
Systems and methods for performing protocol conversions in a machine |
May 12, 2009 |
| Methods and systems are provided for performing protocol conversions in an environment including a work machine having one or more modules coupled to one or more data links. Such methods and systems may leverage one or more gateways to perform tunneling, translating, and bridging operati |
| 7516244 |
Systems and methods for providing server operations in a work machine |
April 7, 2009 |
| A method and system are provided to perform a process of managing communications in an environment including a mobile work machine having one or more on-board data links connected to one or more on-board modules and a gateway and including one or more off-board data links connected to |
| 7506097 |
Method and apparatus for installing data in a memory on a work machine |
March 17, 2009 |
| Method and apparatus for installing data stored on electronic control modules on a remotely-located machine. The control modules installed on the machine store information regarding the data which should be stored on the other installed control modules. A processor may poll the control |
| 6654673 |
System and method for remotely monitoring the condition of machine |
November 25, 2003 |
| A system and method for monitoring various conditions of a machine which may be remotely located. The parameters available in the machine's monitoring system are synchronized in machine and remote systems. A diagnostic system comprised of a prognostics engine or an interface reviews |
| 6463949 |
Method and apparatus for determining a valve status |
October 15, 2002 |
| The present invention provides a method and apparatus for detecting a status of a valve, the valve being connected to a fluid circuit. The method includes the steps of establishing an expected value of a characteristic of the fluid of the fluid circuit, determining an actual value of |
| 6027177 |
Method and an apparatus for controllably releasing a mechanical brake on a hydrostatic machine |
February 22, 2000 |
| A controllable mechanical brake release system for controllably releasing a mechanical brake included in a hydrostatic machine is disclosed. In the preferred embodiment the hydrostatic machine is located on an incline. The mechanical brake is included in a mechanical braking system. The |
| 5924509 |
Traction control apparatus and method for a hydrostatically driven work machine |
July 20, 1999 |
| A traction control apparatus for a work machine having an engine and a hydrostatic drive system that powers a first and second set of ground engaging traction devices is disclosed. The hydrostatic drive system includes a variable displacement pump being rotatably driven by the engine |
| 5873427 |
Method and apparatus for controlling a load of an engine associated with a hydrostatic drive sys |
February 23, 1999 |
| An apparatus for controlling the load of an engine associated with a hydrostatic drive system is disclosed. The apparatus includes a variable displacement pump rotatably driven by the engine. The apparatus modifies a pump displacement command signal in response to the actual and desired |
| 5787374 |
Propulsion control apparatus and method for a paver |
July 28, 1998 |
| An apparatus is disclosed for controlling the propulsion and steering of a machine. The machine includes a hydrostatic system that drives a pair of ground engaging traction devices. An electronic controller receives operator signals indicative of a desired travel speed and direction, and |
| 5757158 |
Adaptive operator control for a compactor |
May 26, 1998 |
| A control device for operating a machine is disclosed. The control device includes a joystick having a central axis and being universally moveable along a first and second axis in a plane perpendicular to the central axis, and a rotatable operator control station that houses the joystick |
| 5576962 |
Control system and method for a hydrostatic drive system |
November 19, 1996 |
| An apparatus for controlling the load of an engine associated with an hydrostatic drive system is disclosed. The apparatus modifies a pump displacement command signal in response to the actual and desired engine acceleration. The modified pump displacement command signal is used to c |
| 5575583 |
Apparatus and method for controlling the material feed system of a paver |
November 19, 1996 |
| An apparatus for controlling a material feed system of a paver is disclosed. The material feed system includes a feeder conveyor and a spreader auger. The apparatus includes a sensor that monitors the amount of material at the edge of the screed and responsively produces an actual ma |
| 5568992 |
Screed control system for an asphalt paver and method of use |
October 29, 1996 |
| In one aspect of the present invention, a control system for a floating screed assembly for an asphalt paving machine is disclosed. The screed assembly includes a main screed and extension screed unit. An electrohydraulic device extends and retracts, as well as, raises and lowers the |
