Motors: expansible chamber type – Working member position feedback to motive fluid control – Follower type
Patent
1980-06-16
1983-01-25
Maslousky, Paul E.
Motors: expansible chamber type
Working member position feedback to motive fluid control
Follower type
91382, F15B 910
Patent
active
043696945
ABSTRACT:
Power steering with rotary drive shaft adapted to drive a pinion cooperating with a rack, comprising a distributor of pressurized fluid which comprises a slide valve coaxial with the pinion and a connecting rod passing axially through the pinion and connecting one end of the slide valve to a piece linked in rotation with said shaft, but free to slide with respect to this shaft, said piece being adapted to cooperate during its rotation with a bearing surface immovable in the direction of the axis of the pinion and sloping with respect to this axis, so that said piece, the rod and the slide valve move axially in response to a rotational movement of the shaft. It comprises resilient double-acting means for returning the slide valve to a neutral position, provided in the form of a spring disposed between one of the elements formed by the rod or the piece and a stop fixed in the direction of the axis of the pinion, the whole being such that the slide valve is not forced toward the rod of the jointed coupling by the force of the spring.
REFERENCES:
patent: 3218937 (1965-11-01), Dettlof
patent: 3264946 (1966-08-01), Brueder
patent: 4011891 (1977-03-01), Knutson
Automobiles Peugeot
Maslousky Paul E.
Societe Anonyme Automobiles Citroen
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