Gas meter including a synthetic membrane

Details Gas meter including a synthetic membrane Gas meter including a synthetic membrane

1986-02-11

1988-10-25

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Expansible chamber

73274, 73278, 73279, 92103F, 92170, G01F 1108, G01F 1516

Patent

active

047794593

ABSTRACT:
A gas meter includes a housing made of thermoplastic material having an inside wall defining two measuring chambers and a deformable membrane disposed between the two measuring chambers. The deformable membrane is formed from a film of thermoplastic elastomer material bonded to a synthetic fiber sheet. The periphery of the membrane is hot-welded to the wall between the two measuring chambers to form a gas-tight seal between the chambers. A mechanical drive train includes at least one lever having a hinged portion made from a thermoplastic material which is hot-welded to the middle of the membrane. The train drives a mechanical distributor disposed outside the housing.

REFERENCES:
patent: Re28000 (1974-04-01), Branitzky
patent: 212488 (1879-02-01), Mounteney
patent: 2874569 (1959-02-01), Gray
patent: 2976726 (1961-03-01), Clair et al.
patent: 3314291 (1967-04-01), Anderson
patent: 3376179 (1968-04-01), Balamuth
patent: 3773205 (1973-11-01), Keeler
patent: 3834231 (1974-09-01), Hisada
patent: 4539849 (1985-09-01), Pike
patent: 4559832 (1985-12-01), Burlage et al.
Bellogram Corp. advertisement in Machine Design 5/10/84.

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