Valves

Details Valves Valves

1991-12-04

1992-07-21

Cohan, Alan

Fluid handling

Systems

Multi-way valve unit

13762524, 91375R, F16K 11076, F15B 1302

Patent

active

051314304

ABSTRACT:
A rotary valve (1) for hydraulic power steering of vehicles with arcuate slots (9,10) in the sleeve (2) and slots (11) in input-shaft (3) of the valve (1) where some of the slots (10) in the sleeve (2) are formed to provide hydraulic fluid return ports (13) axially of the valve (1) between the sleeve (2) and the input-shaft (3) while the axial extent of adjacent sleeve slots (10) and input-shaft slots (11) is the same at their ends remote from the return ports (13).

REFERENCES:
patent: 3022772 (1962-02-01), Zeigler
patent: 3393608 (1988-07-01), Saunders
patent: 3591139 (1971-07-01), Bishop
patent: 4454801 (1984-06-01), Spann
patent: 4561516 (1985-12-01), Bishop
patent: 4877100 (1989-10-01), Emori
patent: 5069250 (1991-12-01), Emori

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