Diaphragm movable wall assembly for hydraulic systems

Details Diaphragm movable wall assembly for hydraulic systems Diaphragm movable wall assembly for hydraulic systems

1979-03-08

1980-12-16

Cline, William R.

Valves and valve actuation

Fluid actuated or retarded

Flexible wall expansible chamber reciprocating valve actuator

251282, F16K 31365

Patent

active

042391822

ABSTRACT:
A valve assembly for use in building water systems where hot and cold water supply line pressures vary, and having separate valve means for regulating the hot and cold water pressures. Independently mounted pressure equalizing means operated by the supply water pressures are connected to operate each of the valve means responsive to any pressure differential caused by changes in the supply pressures, to change the water pressure regulated by each of the valve means, with the magnitude and sense of the change reducing any such differential to zero and equalizing the pressures. The separate valve means are actuated by diaphragm assemblies forming a pair of movable walls mounted in a cartridge each one separating one water chamber from an associated hydraulic fluid chamber. Each diaphragm movable wall assembly includes a nonperforated diaphragm clamped between elements and held at its periphery in the cartridge to form a movable wall.

REFERENCES:
patent: 2705123 (1955-03-01), Hieger
patent: 2710162 (1955-06-01), Snoddy
patent: 2811167 (1957-10-01), Bott
patent: 3405730 (1968-10-01), Baumann
patent: 3689025 (1972-09-01), Kiser
patent: 4098487 (1978-07-01), Bauer
patent: 4106750 (1978-08-01), Karden et al.
patent: 4128128 (1978-12-01), Mears
patent: 4130267 (1958-12-01), Inada et al.

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