Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element
Patent
1984-11-21
1987-01-06
Love, John J.
Motor vehicles
Including one or more ski-like or runner members
With at least one surface-engaging propulsion element
91375A, 91434, B62D 508
Patent
active
046339639
ABSTRACT:
A power steering apparatus which includes an input member rotatably mounted in a valve housing, an output member rotatably and axially slidably mounted in a gear housing integral with the valve housing and arranged coaxially with the input member, a valve rotor integral with the input member, a valve sleeve rotatably mounted in the valve housing and arranged in surrounding relationship with the valve rotor, the valve sleeve being connected integrally with the output member to cooperate with the valve rotor for selectively directing fluid under pressure to opposite ends of a hydraulic power cylinder in response to relative rotation between the input and output members, a cam follower element positioned between the inner ends of the input and output members for permitting relative rotation between the input and output members, and a pressure mechanism arranged to apply fluid under pressure responsive to the vehicle speed to the outer end of the output member for increasing the resistance to relative rotation of the input member and the output member in accordance with an increase in vehicle speed.
REFERENCES:
patent: 3465842 (1969-09-01), Hruska
patent: 3930554 (1976-01-01), Ward
patent: 4034825 (1977-07-01), Adams
patent: 4373598 (1983-02-01), Elser
patent: 4481866 (1984-11-01), Matouka
Dukes Mark C.
Love John J.
Toyota Jidosha & Kabushiki Kaisha
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