Single handle mixing tap or valve

Details Single handle mixing tap or valve Single handle mixing tap or valve

1988-10-26

1989-12-19

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

13762517, F16K 1106

Patent

active

048876429

ABSTRACT:
A single handle mixing tap includes a tap body within which is a valve mechanism comprising a pair of discs, one of which is rotatable against the other and also movable transversely across the other, whereby fluids to be mixed together from two separate inlets communicating with aligned apertures through the discs can have the ratio of their volumes, as well as their combined volume, varied. The movable disc is coupled by a ball joint arrangement to a rotatable and tiltable handle, whereby the axis of rotation of the disc and the handle through the ball joint during rotation of the disc, and the axis of tilting of the handle relative to the disc at the ball joint during transverse movement of the disc, is such that substantially all forces applied by the handle to the ball joint are radially of said joint rather than along the longitudinal axis of the tap thus relieving friction between the faces of the discs and lowering the operating forces to thereby reduce possible damage to the discs. The tap body is closed by a cap having an opening through which the handle extends. The size and shaping of the handle, the size of the opening and the axis of tilting of the handle are such that during all tilted positions of the handle, it substantially closes the opening. Controls are also provided to limit the degree of rotation of the movable disc, to limit the tilting of the handle, and to provided adjustable control for the upper and lower temperature limits of the fluid mixture issuing from the tap.

REFERENCES:
patent: 4610272 (1986-09-01), Gottwald et al.
patent: 4651774 (1987-03-01), Oberdorfer
patent: 4732688 (1988-03-01), Lorch

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