Gas flow transducer utilizing rolling piston

Details Gas flow transducer utilizing rolling piston Gas flow transducer utilizing rolling piston

1975-12-15

1977-07-12

Gill, James J.

Measuring and testing

Volume or rate of flow

Thermal type

G01F 308, G01F 124

Patent

active

040346064

ABSTRACT:
A transducer for proportionally indicating small quantities of gas flow utilizing a rolling piston in association with a flexible electrical conducting band engaging terminals within the piston chamber. Gas flows from the chamber at an increasing rate proportional to piston displacement and the transducer is characterized by its low friction operation and capability to accurately sense low rates of gas flow.

REFERENCES:
patent: 1454301 (1923-05-01), Van Hise
patent: 1580679 (1926-04-01), Roucka
patent: 1641744 (1927-09-01), Decker
patent: 2070374 (1937-02-01), Sherwood
patent: 2070375 (1937-02-01), Sherwood
patent: 2674880 (1954-04-01), Broderson
patent: 3452175 (1969-06-01), Wilkes
patent: 3471668 (1969-10-01), Wilkes

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