Position indicating valve means

Details Position indicating valve means Position indicating valve means

1980-10-20

1982-07-27

Rosenthal, Arnold

Fluid handling

With indicator, register, recorder, alarm or inspection means

Position or extent of motion indicator

13762565, 251129, F16K 3700

Patent

active

043412416

ABSTRACT:
A position indicating valve is disclosed and includes a housing, a valve port through the housing, and a valve member mounted on the housing for movement toward and away from the valve port. An electrically conductive valve seat is disposed about the valve port, and an electrically conductive valve seal is disposed on the valve member for engagement with the valve seat. The electrically conductive valve seal and valve seat define engageable electrical contact means and circuit means is coupled thereto, whereby the circuit means is closed when the valve seat and valve seal are in contact with each other.

REFERENCES:
patent: 3946285 (1976-03-01), Beery
patent: 3993247 (1976-11-01), Tyler
patent: 4000430 (1976-12-01), Bely et al.
patent: 4004258 (1977-01-01), Arnold
patent: 4043351 (1977-08-01), Durling
patent: 4183467 (1980-01-01), Sheraton et al.
patent: 4227547 (1980-10-01), Cameron

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