Diaphragm actuated valves

Details Diaphragm actuated valves Diaphragm actuated valves

1974-12-23

1977-08-30

Cline, William R.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

60290, G05D 1100

Patent

active

040447880

ABSTRACT:
A diaphragm actuated valve having inlet, outlet and bypass ports is provided with two independently operating valves on a diaphragm rod stem of a diaphragm assembly. One of the valves operates as a main air valve and the other valve provides positive relief of air pressure when that pressure reaches a predetermined value. The preferred embodiment of the valve structure is a sheet metal construction including a cap closing and delimiting a diaphragm chamber. The cap structure has a diaphragm stop means integrally formed with it which limits diaphragm movement during valve operation.

REFERENCES:
patent: 2391551 (1945-12-01), Cruzan et al.
patent: 3430437 (1969-03-01), Saussele et al.
patent: 3479816 (1969-11-01), Masters
patent: 3520320 (1970-07-01), Crawford et al.
patent: 3611715 (1971-10-01), Tatsutomi et al.
patent: 3616811 (1971-11-01), Shimosaki
patent: 3774628 (1973-11-01), Norton et al.
patent: 3812673 (1974-05-01), Muroki et al.
patent: 3835646 (1974-09-01), Ranft et al.
patent: 3849984 (1974-11-01), Toda et al.
patent: 3903695 (1975-09-01), Nakada
patent: 3919843 (1975-11-01), Arnaud et al.

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