Valve assemblies

Details Valve assemblies Valve assemblies

1986-04-30

1988-02-16

Michalsky, Gerald A.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

137801, F16K 31126

Patent

active

047250380

ABSTRACT:
A domestic pillar faucet has a main flow path and a control flow path, both connected to the same inlet. A diaphragm supports a valve member for displacement between a position in which the valve member is held open and a position in which the valve member closes the main flow path. Displacement of the diaphragm is controlled by fluid from the control flow path. The control flow path includes an inlet valve and an outlet valve and the section of the control flow path between the valves communicates with the diaphragm. By opening the outlet valve, the force on the diaphragm is reduced and the valve member will open. By closing the outlet valve and opening the inlet valve, the force on the diaphragm is increased and the valve member will close. The valves are operated by a lever through push buttons. The faucet is thus operated in a power assisted manner, not needing the dexterity required when opening or closing conventional faucets.

REFERENCES:
patent: 595061 (1897-12-01), Gulland
patent: 954898 (1910-04-01), Stenberg
patent: 2180320 (1939-11-01), Hansen
patent: 2222141 (1940-11-01), Denison
patent: 2337659 (1943-12-01), Hughey et al.
patent: 2627873 (1953-02-01), Bothe
patent: 2698729 (1955-01-01), Cox et al.
patent: 2757688 (1956-08-01), Klinger
patent: 3055630 (1962-09-01), Becker
patent: 3805837 (1974-04-01), Stampfli
patent: 3904167 (1975-09-01), Touch et al.
patent: 3955791 (1976-05-01), Meckstroth
patent: 4074699 (1978-02-01), Stampfli

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