Rotary valves

Details Rotary valves Rotary valves

1977-07-06

1980-03-25

Maslousky, Paul E.

Fluid handling

Systems

Supply and exhaust

13762524, 91375A, F15B 910

Patent

active

041945310

ABSTRACT:
An improved rotary hydraulic valve to control the hydraulic assistance in power steering gears for automotive vehicles, comprising a valve input member, a coaxially arranged driven member, torsion bar means drivingly connecting said valve input member and said driven member, a first drive transmitting means for transmitting drive from said valve input member to said driven member arranged for limited lost motion between said valve input and driven members comprising a plurality of axially extending inter engaging lug means alternately extending from said valve input and driven members, a valve sleeve member surrounding said valve input member, second drive transmitting means carried on a portion of the lug means of said driven member arranged to provide a slack-free driving connection between said valve sleeve member and said driven member, and means associated with said second drive transmitting means securing said valve sleeve member to said driven member in a preadjusted angular relationship.

REFERENCES:
patent: 1947973 (1934-02-01), Davis
patent: 2362930 (1944-11-01), Robbins
patent: 2640322 (1953-06-01), Puerner
patent: 3022772 (1962-02-01), Zeigler et al.
patent: 3145626 (1964-08-01), Vickers et al.
patent: 3602255 (1971-08-01), Bishop

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