Bypass valve with indicator

Details Bypass valve with indicator Bypass valve with indicator

1984-11-15

1986-03-11

Weakley, Harold W.

Fluid handling

With indicator, register, recorder, alarm or inspection means

Position or extent of motion indicator

137549, 137542, 137469, F16K 3700

Patent

active

045748365

ABSTRACT:
A differential fluid pressure indicator including a bypass valve which provides an indication that the filter is in the bypass condition. The bypass valve includes a differential area piston which includes at the outlet port thereof a restriction orifice adapted to insure a predetermined stroke of the poppet in the bypass valve, thereby to insure actuation of the indicator.

REFERENCES:
patent: 2845945 (1958-08-01), Mancusi
patent: 2875978 (1959-03-01), Kmiecik
patent: 2880750 (1959-04-01), Amison
patent: 3018792 (1962-01-01), Brucker
patent: 3048188 (1962-08-01), Hunter
patent: 3164164 (1965-01-01), Pall
patent: 3195556 (1965-07-01), Norstrud
patent: 3288167 (1966-11-01), Gibson
patent: 3651827 (1972-03-01), Hammer
patent: 4084609 (1978-04-01), Johnson
patent: 4152893 (1979-05-01), Wakita

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