Hydraulic apparatus, in particular a 2-way proportional throttle

Details Hydraulic apparatus, in particular a 2-way proportional throttle Hydraulic apparatus, in particular a 2-way proportional throttle

1986-09-12

1988-12-13

Rivell, John

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 26, F16K 3140

Patent

active

047905115

ABSTRACT:
A pilot-controlled proportional throttle valve is provided having pilot oil passage means provided in the spool of said throttle valve.

REFERENCES:
patent: 2373654 (1945-04-01), Beekley et al.
patent: 2755058 (1956-07-01), Margrave
patent: 4073464 (1978-02-01), Hansen et al.
patent: 4463929 (1984-08-01), Dantlgraber et al.
patent: 4478245 (1984-10-01), Bender
patent: 4535966 (1985-08-01), Post et al.

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