Calibration apparatus for gas flowmeters

Details Calibration apparatus for gas flowmeters Calibration apparatus for gas flowmeters

1976-11-08

1977-10-04

Swisher, S. Clement

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

G01F 2500

Patent

active

040517110

ABSTRACT:
A mechanical displacement meter prover has a displacer which is devised to facilitate operation with gas flows. The displacer comprises a pair of longitudinally spaced, transverse sealing members, such as a pair of inflated elastomer spheroids, between which is a reservoir of lubricating fluid. Each sealing member is exposed to the fluid as the displacer travels through the prover, the fluid acting both to lubricate the displacer and to assist in sealing the displacer against the propelling gas flow.

REFERENCES:
patent: 3041204 (1962-06-01), Green
patent: 3295357 (1967-01-01), Halpine et al.

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