Flow transducer

Details Flow transducer Flow transducer

1996-05-13

1998-10-27

Chilcot, Richard

Measuring and testing

Volume or rate of flow

Using differential pressure

G01F 122

Patent

active

058279784

ABSTRACT:
A flow transducer includes a piston movable in a sleeve to vary the area of an orifice. The piston may move in either direction from a position in which flow is prevented. Movement in both directions is opposed by a spring. The piston assumes a unique position for each flow rate and the position of the transducer is sensed to provide a signal indicative of low rate.

REFERENCES:
patent: 3112646 (1963-12-01), English
patent: 4304136 (1981-12-01), McCabe et al.
patent: 4366718 (1983-01-01), Nelson
patent: 4459860 (1984-07-01), Walters
patent: 4507976 (1985-04-01), Banko
patent: 4619146 (1986-10-01), Teodorescu et al.
patent: 4811607 (1989-03-01), Walters et al.
patent: 5024105 (1991-06-01), Tentler et al.
patent: 5115684 (1992-05-01), Haeussler
patent: 5313844 (1994-05-01), Kadlicko
patent: 5440925 (1995-08-01), Padden et al.

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