Measuring and testing – Volume or rate of flow – System
Patent
1977-09-22
1978-09-05
Queisser, Richard C.
Measuring and testing
Volume or rate of flow
System
G01F 302, G01F 1502
Patent
active
041110420
ABSTRACT:
A self-contained unit integrally operable in conjunction with a gas meter registers equivalent standard gas volume by correcting actual gas volume for both pressure and temperature. A magnetic couple provides a drive input to the correction unit at a rate proportional to the operational rate of the meter. Separate temperature and pressure sensitive mechanisms exposed to the gas flow each provide a linear displacement proportional to changes in their absolute condition. Respective displacement of each is supplied independently to a dual input single output multiplying mechanism from which an integrated output serves to position a limiting cam in angular correlation therewith. Position of the cam effectively modifies the drive input from the magnetic couple through a crank arrangement that drives the corrected register at a rate correlated to the integrated function of absolute pressure and temperature of the metered gas.
REFERENCES:
patent: 2059547 (1936-11-01), Brandl
patent: 2222551 (1940-11-01), Ziebolz et al.
patent: 2438935 (1948-04-01), Marsh
patent: 2601777 (1952-07-01), Woodward
patent: 3073157 (1963-01-01), Gehre
patent: 3169399 (1965-02-01), Allport et al.
patent: 3581566 (1971-06-01), Randall
Beauchamp John P.
Dresser Industries Inc.
Queisser Richard C.
Rubin Daniel
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