Positive-displacement fluid flow-measuring system

Details Positive-displacement fluid flow-measuring system Positive-displacement fluid flow-measuring system

1992-04-27

1994-08-23

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Combined

73261, G01F 1502

Patent

active

053396855

ABSTRACT:
A positive-displacement fluid flow measuring system, especially for hydrocarbon fuel dispensers. The measuring system comprises, in addition to a positive-displacement meter per se, a correction system for correcting the loss of head in the meter. The correction system comprises a differential pressure detector responsive to the difference between the pressures at the inlet and the outlet of the meter. The displacement of the membrane enables an external motor to be coupled to the shaft of the meter by means of the plates.

REFERENCES:
patent: 2080183 (1937-05-01), Pigott
patent: 3633420 (1972-01-01), Holzem
patent: 3788142 (1974-01-01), Goransson
patent: 4193299 (1980-03-01), Holzem et al.

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