Hybrid steering system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8245811
APP PUB NO 20100212994A1
SERIAL NO

12708894

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A steering system for a vehicle comprising a steering control to effect mechanical steering of the vehicle, the steering control being mechanically connected via a mechanical steering train, to at least one steerable ground engaging wheel. A power assistor apparatus is present for power assisting the mechanical steering of the vehicle when the operator operates the steering control. The system includes a hydraulic steering actuator which is operable by an electronically controlled hydraulic steering control valve to effect hydraulic power steering of the vehicle independently of the operation of the steering control. The electronically controlled hydraulic steering control valve is operable in response to signals from an electronic controller, the hydraulic steering actuator being supplied with pressurized hydraulic fluid from a supply valve arrangement. A sensor device detects when the steering control is operated and provides input to the electronic controller, the controller disabling the hydraulic power steering in response.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
JCB LANDPOWER LIMITEDCHEADLE STAFFORDSHIRE ST10 4WT

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fitton, Gregory Peter Stoke on Trent, GB 3 32
Nicklin, Charles David Sandbach, GB 3 31
Young, Richard Frederick George Uttoxeter, GB 3 38

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