Mixing valve

Details Mixing valve Mixing valve

1980-12-22

1982-02-16

Nilson, Robert G.

Fluid handling

Systems

Multi-way valve unit

F16K 712

Patent

active

043155251

ABSTRACT:
A single lever mixing valve adapted for proportioning hot and cold water and for controlling the volume of flow. A valve body has fluid passages which terminate in two spaced apart inlet ports and an outlet port to a valve seat. A generally spherical closure member is universally movable within the valve body so as to normally cover and seal the inlet ports in a closed position. Two recesses in the surface of the closure member are spaced apart by a divider portion and extend circumferentially relative to the inlet ports. Due to this configuration, the closure member can be moved to open mixing positions in which each recess completes a fluid passage between one of the inlet ports and the outlet port. The divider portion can be positioned to partially or fully close one inlet port while the other inlet port remains open.

REFERENCES:
patent: 3472279 (1969-10-01), Sanderson
patent: 3519017 (1970-07-01), Nogier
patent: 3747641 (1973-07-01), Hare

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