Electromagnetic pilot type valve

Details Electromagnetic pilot type valve Electromagnetic pilot type valve

1978-06-30

1980-05-06

Schwadron, Martin P.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 29, 251 44, 251 30, F16K 3102, F16K 31102

Patent

active

042013623

ABSTRACT:
An electromagnetic pilot type valve having at least one auxiliary pilot valve disposed and operatively connected between the pilot valve and the main valve. The auxiliary valve is operated in response to the pilot valve to operate the main valve. With this construction a main valve body of a relatively large diameter can be operated with a small electromagnetic pilot valve, so that the whole construction of the valve can be compactly made.

REFERENCES:
patent: 1767037 (1930-06-01), Anderson
patent: 2758811 (1956-08-01), Peterson
patent: 3905575 (1975-09-01), Zeuner et al.
patent: 3954249 (1976-05-01), Gratzmuller

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