Matches 1 - 42 out of 42
Match Document Document Title
7546729 Method and system for limiting torque load associated with an implement  
A method for reducing a torque load associated with an implement includes determining a speed associated with a power source, wherein the power source is configured to provide power to a hydraulic...
5305681 Hydraulic control apparatus  
An apparatus for controllably actuating a hydraulic actuator is provided. The apparatus is connected between a source of pressurized hydraulic fluid and the hydraulic actuator. The apparatus...
5218820 Hydraulic control system with pressure responsive rate control  
A hydraulic control system for controlling the motion of a double acting hydraulic actuator determines the flow to and from the actuator in accordance with 1. the desired movement of the...
5105719 Stroke control device with torque responsive motive fluid control  
A stroke control device having a servomotor, a hydraulic cylinder having a piston, a ball-thread mechanism coupling the servomotor with the piston, and a hydraulic circuit including pressure...
5029513 Variable-orifice, servo-solenoid valve for a variable-assist power steering system  
A power steering system for a wheeled vehicle comprising a fluid motor connected to dirigible wheels of the vehicle, a power steering pump and a steering valve structure situated in flow delivery...
5012898 Control system for vehicle lift racks  
A control system for the hydraulic operating circuit associated with a vehicle lifting device in which the circuit is provided with pressure fluid control valves and flow sensors which are...
4753158 Pilot hydraulic system for operating directional control valve  
A pilot hydraulic system comprises a directional control valve having at least one pilot chamber for controlling the operation of a hydraulic actuator; and a pilot valve connected through a pilot...
4410058 Vehicle steering apparatus  
An improved power steering apparatus includes a pressure modulation assembly which modulates the fluid pressure transmitted from a power steering control valve to a power steering motor. The...
4274474 Hydraulic control and drive device for rotary heat exchanger  
A rotary regenerator is provided with a hydraulic drive system to vary the rotational speed in relation to the temperature scanned. The hydraulic control system provides accurate operation at low...
4081054 Hydraulic steering with feedback  
The invention is concerned with an improvement in a hydraulic steering system for an articulated vehicle of the type which comprises a main steering valve system which directs fluid introduced...
3722209 ENGINE-STARTING SEPTEM  
A combination relay and check valve for use with a fluid actuated engine starting system. The valve includes a housing which contains a diaphragm connected to a valve. The valve divides the housing...
3530672 SPEED SENSING DEVICE  
3523419 HYDRAULICALLY CONTROLLED ROTARY TRANSMISSIONS  
3521447 CASCADED FLUID FLOW CONTROL APPARATUS  
3508400 POSITION CONTROL SYSTEM  
3474624 HYDRAULIC CONTROL SYSTEM  
3467441 ANTISKID DEVICE  
3466686 METHOD AND MEANS FOR MOVING STRUCTURES HYDRAULICALLY  
3425218 HYDRAULIC ACTUATOR  
3357179 Actuation system  
3310642 Tail gate electric window and gate switch  
3270508 Electro-hydraulic servo power control system  
3225540 Isochronous, centrifugally actuated, hydraulic governor  
3137138 Return mechanism for a regulator  
3137137 Regulator  
3102454 Fluid drive  
3074010 Voltage regulating apparatus  
3069856 Hydraulic control system  
3059150 Electric discharge machining apparatus  
3057162 Hydraulic power transmission apparatus  
3026678 Aircraft hydraulic system  
3004527 Condition regulating apparatus  
3002571 Hydraulic system for tractors  
2981273 Electro-hydraulic control device  
2977762 Hydraulic governor pressure control mechanism  
2952245 Hydraulic power unit control system  
2942581 Hydraulic operator  
2937623 Fluid regulators  
2928409 Non-magnetic electro hydraulic transfer valve  
2879781 Control apparatus  
2824423 Hydraulic speed responsive circuits  
2756062 Combine leveller  
Matches 1 - 42 out of 42