Valve assembly

Details Valve assembly Valve assembly

1994-07-26

1996-10-15

Rivell, John

Fluid handling

With indicator, register, recorder, alarm or inspection means

Position or extent of motion indicator

116277, F16K 3700

Patent

active

055644708

ABSTRACT:
A valve assembly comprising a valve body, an obturator rotatably mounted in the body and a transducer connected to or located adjacent the obturator in order to determine the position thereof.
The transducer may comprise e.g. a potentiometer or a Hall effect device.

REFERENCES:
patent: 2393482 (1946-01-01), Smith
patent: 2678661 (1954-05-01), Roper et al.
patent: 3161204 (1964-12-01), Roy, Sr.
patent: 3602254 (1971-08-01), Fawkes
patent: 4469127 (1984-09-01), Kitamura
patent: 4601211 (1986-07-01), Whistler
patent: 4647003 (1987-03-01), Hilpert et al.
patent: 5098063 (1992-03-01), Ronzon
patent: 5150103 (1992-09-01), Janssen-Weets

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