Temperature and volume control valve assembly

Details Temperature and volume control valve assembly Temperature and volume control valve assembly

1989-11-17

1991-01-01

Hepperle, Stephen M.

Fluid handling

Convertible

Unit orientable in a single location between plural positions

74543, 1376373, 403 4, F16K 3160

Patent

active

049811568

ABSTRACT:
A mixing valve (10) has a modular cartridge (60) rotatably mounted in housin (12). The cartridge has a bottom volume control valve plate (58) attached to a lower section (62) housing a pressure balance valve (80). The lower section (62) is secured to an upper section (120) that rotatably receives a temperature control plate (150). The plates (58) and (150) are both rotatable about a common axis (64). The plate (58) is controlled by operation of stem (180) attached to handle (34). The plate (150) is controlled by stem (160) which is operated by knob (38). An insert (250) allows the knob (38) to operate even when hot and cold water supplies are inverted. A splined hot water stop ring (228) sits in handle (34) and adaptably limits rotation of knob (38) for a selected maximum water temperature. Outer seals (58) assure that all water flows through cartridge (60) when the volume is set for partial flow.

REFERENCES:
patent: 1145587 (1915-07-01), Hitchcock
patent: 3511279 (1970-05-01), Hancock
patent: 3570091 (1971-03-01), Doremus et al.
patent: 3625255 (1971-12-01), Genin
patent: 3964514 (1976-06-01), Manoogian et al.
patent: 3987819 (1976-10-01), Scheuermann
patent: 4397330 (1983-08-01), Hayman
patent: 4458839 (1984-07-01), MacDonald
patent: 4876783 (1989-10-01), Compion et al.

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