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| Number | Title | Issue Date |
| 8051916 | Rear wheel drive assist for a wheel tractor scraper A rear wheel drive assist for a wheel tractor scraper, the wheel tractor scraper having a tractor portion with a power source operatively connected to the front driven wheels, and a rear, scraper portion having a bowl, work tool, and first and second rear wheels, th... | 11/08/2011 |
| 7360623 | Motor mount assembly for controlling a mobile machine Embodiments of the present invention recite a motor assembly comprising a lower motor mount and an upper motor mount. The lower motor mount is mechanically coupled with a steering column of a mobile machine. The upper motor mount is coupled with the lower motor moun... | 04/22/2008 |
| 7305778 | Self-propelled working machine A self-propelled working machine has a pair of transporting parts, a working part, an engine for driving at least the working part, and a main switch for turning the engine on and off. A locomotion preparation switch produces a command for moving the transporting pa... | 12/11/2007 |
| 7246001 | Method for controlling the ground speed of a work machine A method of maintaining a constant ground speed of a work machine having an engine, powertrain, and at least one electronic control module (ECM) is disclosed. The method included sensing a parameter indicative of the ground speed of the work machine and responsively... | 07/17/2007 |
| 7225068 | Variable gain logic for a GPS based automatic steering system A method is provided for controlling steering oscillations in a work vehicle having a closed loop GPS based automatic steering system, wherein the closed loop steering system has a default gain and a user defined gain. The method causes the system to automatically a... | 05/29/2007 |
| 7200981 | Support wheel arrangement for agricultural working machine, and agricultural working machine provided therewith A supporting arrangement for an agricultural working machine with at least one receiving device for receiving an agricultural working device has at least one support wheel arrangeable in a region facing the agricultural working device, the at least one support wheel... | 04/10/2007 |
| 7099722 | Work machine attachment control system A control system is provided for a work machine having a plurality of removably attachable work tools. The control system has at least one operator input device that is configured to control a movement speed of the work machine. The control system also has a tool re... | 08/29/2006 |
| 7066863 | Drive train for a mobile vehicle and method for the control of the drive train In a drive train for a working machine, in particular, a wheel loader, the driving speed is preselected via a driving pedal (11) and the working hydraulic system is actuated via a selector lever (8), whose signals are fed to an electronic control unit ... | 06/27/2006 |
| 7058502 | Torque speed control authority for an engine having an all-speed governor A motor vehicle (20) has a diesel engine (22) and one or more sources (30, 36) providing data relevant to operations of the vehicle that are external to the engine but potentially influential on fueling of the engine. An engine control system ( | 06/06/2006 |
| 7020553 | Signal processing system for construction machine A machine body controller 70A includes a modification control unit 70Ab for computing a torque modification value based on detected signals from environment sensors 75 to 83, and modifies a maximum absorption torque of a hydraulic pump co... | 03/28/2006 |
| 6941688 | Hydraulically powered vehicle, and engine rotational speed control method for hydraulically powered vehicle During idling control with an acceleration switch ON, operation of the accelerator pedal is stopped. When stoppage of the operation of the accelerator pedal is detected for a predetermined time period, along with closing a slowdown switch, an idling changeover switc... | 09/13/2005 |
| 6854523 | Working vehicle In a motor grader, controls for running the vehicle at a constant speed are provided when a work for improving a land surface with a blade is started by running a working vehicle at a low speed from the low idling start. With this operation, it is possible to perfor... | 02/15/2005 |
| 6553302 | Work vehicle with operator selected load control and fuel economy control A work vehicle such as an agricultural tractor includes means for the operator to select between manual or automatic engine speed control and to select among multiple automatic modes each having a different amount by which the engine speed is reduced when... | 04/22/2003 |
| 6549837 | Automatic tracking control for work machines In many applications, it is desirable to have work machines automatically maintain a desired speed and heading. Provided is an electronic control connected with left and right hydraulic motor assemblies that drive left and right ground engaging propulsion... | 04/15/2003 |
| 6434462 | GPS control of a tractor-towed implement A control system controls a work vehicle towing a towed implement. The control system includes a steering angle sensor, an implement position generating unit generating an actual implement position signal, a desired implement position generating unit gene... | 08/13/2002 |
| 6253136 | Method and apparatus for a limp home mode The present invention provides a method and apparatus for controlling a work implement in order to enable an earth moving machine to move to a service area after a failure within an implement control system occurs. The method includes the steps of detecti... | 06/26/2001 |
| 6234254 | Apparatus and method for controlling the efficiency of the work cycle associated with an earthworking machine An apparatus for controlling the torque associated with a power train of a machine having a work implement is disclosed. A plurality of position sensors sense the position associated with the work implement and responsively produce respective position sig... | 05/22/2001 |
| 6208925 | Simplified powertrain load prediction method and system using computer based models A simplified method and system for determining a loading condition on a powertrain of a machine resulting from a loading condition on an implement thereof. The method includes the steps of inputting a predetermined plurality of parameter signals represent... | 03/27/2001 |
| 6205385 | Power takeoff control switches A control system is disclosed for controlling a power takeoff (PTO) shaft of a work vehicle (e.g., a tractor). The work vehicle includes an engine and an operator station, and the PTO shaft transfers power from the engine to an implement. The control syst... | 03/20/2001 |
| 6134494 | Automatic power takeoff control system A method of automatically controlling a power takeoff shaft of a work vehicle having a hitch includes automatically initiating engagement of the power takeoff shaft as the hitch is lowered such that the power takeoff shaft reaches clutch lockup approximat... | 10/17/2000 |
| 6119376 | Excavator data acquisition and control system and process An excavator data acquisition and control system and process for characterizing the subsurface geology of an excavation site, and for utilizing the acquired data to optimize the production performance of an excavator is disclosed. A geologic imaging syste... | 09/19/2000 |
| 6085138 | Differential lock control system A differential lock control system for controlling the locking of the various differential assemblies associated with a particular work machine wherein such system includes a first switch positionable to select any one or more of the differential assembli... | 07/04/2000 |
| 5819190 | Ground leveling control system for a bulldozer A ground leveling control system for a bulldozer, comprising: (a) a cutting edge position detector for detecting a position of a cutting edge of a blade with respect to the ground; and (b) a blade controller for controlling the blade to be lifted or lower... | 10/06/1998 |
| 5816335 | Dozing system for use in bulldozer A dozing system for use in a bulldozer, having the capability of estimating a loading ratio (the ratio of soil loaded on the blade to the loading capacity of the blade) with high accuracy so that a mode shift from digging to carrying can be stably perform... | 10/06/1998 |
| 5802489 | Front wheel drive engagement control system for agricultural vehicles A control system for engaging, disengaging and re-engaging a front wheel drive in an agricultural vehicle includes a control circuit configured to receive signals representative of vehicle operating parameters and to generate control signals corresponding... | 09/01/1998 |
| 5725068 | Speed limiting device for utility vehicles A speed limiting device for a vehicle equipped with a deployable utility device such as a bunker rake. An adjustable mechanical linkage connects a limiting mechanism to the deployable utility device such that when the utility device is deployed, the limit... | 03/10/1998 |
| 5699248 | Running slip control system for a bulldozer A running slip control system for a bulldozer, comprising: (a) a running slip detector for detecting the running slip of a vehicle body; and (b) a blade controller for lifting a blade to eliminate the running slip when the running slip detector detects th... | 12/16/1997 |
| 5694317 | Blade control system for a bulldozer A blade control system for a bulldozer, comprising: (a) a pitch angle detector for detecting a pitch angle of a vehicle body when the vehicle body inclines back and forth; (b) an actual tractive force detector for detecting an actual tractive force of the... | 12/02/1997 |
| 5659985 | Excavator data acquisition and control system and process An information acquisition and control system and process acquires geological information from a subsurface and modifies the operation of an excavating machine using the acquired geological information. The system includes a data acquisition system to acq... | 08/26/1997 |
| 5621643 | Dozing system for bulldozers A dozing system for a bulldozer with which dozing can be carried out by a simple operation without giving a great deal of fatigue to the operator. When the running slip of a vehicle body is not detected by a running slip detector, a blade is lifted or lowered ... | 04/15/1997 |
| 5564507 | Load control unit for a bulldozer A load control unit for a bulldozer, comprising an actual tractive force detector for detecting the actual tractive force of a vehicle body; target tractive force setting switch for setting a target tractive force for an automatic blade control mode in do... | 10/15/1996 |
| 5555942 | Blade control system for use in a bulldozer A blade control system for use in a bulldozer comprising: a driving mode setting device which can set an automatic blade control mode during dozing operation; a running condition detector for detecting whether a transmission is placed in forward range or ... | 09/17/1996 |
| 5549166 | Hitch assembly control system A hitch assembly control system including an actuator which positions the hitch assembly in response to control signals provided to an electrically driven actuator. The control system further includes an electronic controller operated under the influence ... | 08/27/1996 |
| 5515927 | Control unit for controlling load on a bulldozer in the case of manual intervention A control unit for controlling load on a bulldozer in the case of manual intervention, comprising: an actual tractive force detector for detecting the actual tractive force of a vehicle body; a target tractive force setting device for setting a target tra... | 05/14/1996 |
| 5509220 | Track trencher propulsion system and process A system and process for controlling propulsion of a track trencher excavation machine includes a multiple mode propulsion control that performs a plurality of functions depending on a selection of one of a plurality of operational modes. A computer modif... | 04/23/1996 |
| 5505267 | Differential lock control system for agricultural vehicles A control system for engaging, disengaging and re-engaging a differential locking mechanism in an agricultural vehicle includes a control circuit configured to receive signals representative of vehicle operating parameters and to generate control signals ... | 04/09/1996 |
| 5469921 | Hitch assembly control system A hitch assembly control system including an actuator which positions the hitch assembly in response to control signals provided to an electrically driven actuator. The control system further includes an electronic controller operated under the influence ... | 11/28/1995 |
| 5454432 | Implement control system An implement control system includes desired draft force setting apparatus and draft force sensing apparatus providing a draft force signal. It also includes engine speed sensing apparatus arranged to provide an engine speed signal of the same form as the... | 10/03/1995 |
| 5450068 | Infrared remote control for soil compacting devices An infrared remote-controlled soil compacting device is controlled such that the device cannot be set into operation as long as the operator with the sending unit is within close vicinity of the soil compacting device so that an accidental operation or pr... | 09/12/1995 |
| 5421416 | Hitch assembly control system A hitch assembly control system including an actuator which positions the hitch assembly in response to control signals provided to an electrically driven actuator. The control system further includes an electronic controller operated under the influence ... | 06/06/1995 |
