Vacuum actuated power steering system

Motor vehicles – Steering gear – With fluid power assist

Patent

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Details

180417, B62D 508, B62D 506

Patent

active

060359595

ABSTRACT:
A power assisted, vacuum actuated steering system with a rotary valve and vacuum actuators. The rotary valve has two identical discs which each include grooves and channels for communicating the vacuum pressure to the vacuum actuators. The relative rotary motion of the two discs causes the vacuum pressure to pass to the vacuum actuators to assist the steering of a vehicle. A set of springs and spring arms biases the discs to a central, neutral position.

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