Pressure equalization of multiple valves

Details Pressure equalization of multiple valves Pressure equalization of multiple valves

1982-05-06

1986-02-04

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Electrical input and feedback signal means

91509, 91522, 91433, 13759616, F15B 903, F15B 909

Patent

active

045678138

ABSTRACT:
An equalizer is arranged to continuously sense the control pressures of two valves. In the event of a differential between the control pressures, the equalizer operates to selectively adjust one valve so that the control pressures of both valves will thereafter be substantially equal.

REFERENCES:
patent: 2931343 (1960-04-01), Moog
patent: 3138002 (1964-06-01), Ernst et al.
patent: 3228423 (1966-01-01), Moog
patent: 3257911 (1966-06-01), Garnjost et al.
patent: 3270623 (1966-09-01), Garnjost et al.
patent: 3385171 (1968-05-01), Wood
patent: 3542051 (1970-11-01), McFadden et al.
patent: 3612103 (1971-10-01), Waddington
patent: 3741073 (1973-06-01), Garnjost
patent: 3898916 (1975-08-01), Renner
patent: 4205590 (1980-06-01), Stegner
patent: 4243855 (1981-01-01), Gratzmuller
Technical Bulletin 127, Moog Inc., (1976).

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