Matches 1 - 19 out of 19

CobaltIP-faceted-search-demo
Match Document Document Title
7142968 Hitch raise rate calibration method  
A method is provided for automatically determining a hitch raise rate calibration value for a hitch control system having a hydraulic actuator for moving the hitch, a valve for controlling flow of...
6830110 Three-point hitch having flotation  
A three-point hitch suitable for operation with wide implements is constructed by substituting a pair of flotation actuators for the usual drop links that are normally coupled between a pair of...
6612375 Apparatus for counteracting vehicle pitch variation resulting from the operation of an electronic draft control system  
An apparatus and method for controlling variation in the pitch of an agricultural vehicle, where the apparatus includes a controller that controls a position of an implement attached to the...
6442501 Method and apparatus for controlling an implement  
A method and apparatus for determining a velocity of an implement and thereby moving an implement to a desired position. A control system has input signals representative of the implement arm limit...
6058342 Precision control of implement position/motion  
A system for controlling a function of a machine system including an off-road work vehicle, a moveable device, and a positioning assembly including an actuator for moving the device in response to...
5784867 Variable force traction enhance systems  
The present invention provides variable force traction enhance systems for vehicles. The systems include one or more hydraulic cylinders connected to an implement and fluidly connected to one or...
5684691 Method and apparatus for controlling draft of an agricultural implement  
A control system for regulating the elevational position of an implement carried or trailed by a vehicle, such as a tractor, includes draft force sensors for detecting the draft force produced by...
5320186 Draft control system with closed loop drop/raise rate control  
In an automatic draft control system for positioning a hitch, velocity feedback loop techniques are employed to control the rate of movement of the hitch. When the system is operating in an open...
5143159 Draft control system with dual mode draft sensitivity  
A tractor-mounted three-point hitch for pulling a tillage implement is controlled by a closed loop including draft sensors for sensing the draft on the hitch and providing a draft feedback signal....
5040119 Draft control apparatus and method  
Implement draft control devices are typically utilized on agricultural vehicles such as tractors and on other earthworking type vehicles. Advantageously, such control systems should respond quickly...
4796712 Draft load control systems  
A control system and method for adjusting the depth of a tractor-drawn draft implement in response to a detection of draft load. The control system compares actual engine rpm to a stored or mapped...
3750762 SPEED CONTROL SYSTEM FOR VEHICLE MOUNTING A WORK PERFORMING DEVICE  
A speed control system for a vehicle mounting a work performing device such as a trencher for controlling the speed of the vehicle inversely to the amount of work being performed by the work...
3716104 CONTROL DEVICE FOR THE POWER LIFTING INSTALLATION OF A TRACTOR  
A tractor with a power operated implement lift and a hydraulically adjustable speed transmission. The driving speed of the tractor is detected and the load torque on the tractor is detected and the...
3490538 PROCESS AND APPARATUS FOR CONTROLLING THE FURROW-DEPTH OF A PLOUGH DRAWN BY A TRACTION-ENGINE  
3375876 Draft sensing method and apparatus  
3013617 Tractor-implement fluid operated weight transfer system  
2981342 Control mechanism for tractor hydraulic system  
2914125 Power lift system  
2851938 Tractor hydraulic power lift control  
Matches 1 - 19 out of 19