Measuring and testing – Fluid pressure gauge – Diaphragm
Patent
1987-01-23
1988-08-16
Woodiel, Donald O.
Measuring and testing
Fluid pressure gauge
Diaphragm
73708, G01L 702
Patent
active
047635274
ABSTRACT:
A tubular metal sleeve having two annular welding end collars and a flexible intermediate sleeve portion between the collars is mounted in a bore of a housing. The sleeve permits passage of high temperature pressurized fluids impervious to the sleeve. The sleeve forms part of a gauge for detecting the pressure of the fluid. A spacer may be mounted in a space formed between the sleeve and the housing to reduce the quantity of pressure-transmitting liquid required to fill the space.
REFERENCES:
patent: 2274479 (1942-02-01), Inderdohnen et al.
patent: 3130586 (1964-04-01), Taylor et al.
patent: 3563095 (1971-02-01), Robinson, Jr.
patent: 4218926 (1980-08-01), DeVisser
Red Valve Co. Inc.
Woodiel Donald O.
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