Fluid handling – Systems – Multi-way valve unit
Patent
1994-04-14
1995-05-23
Rivell, John
Fluid handling
Systems
Multi-way valve unit
1376254, F16K 11078
Patent
active
054172420
ABSTRACT:
A cartridge type mixing valve is disclosed. A pin and groove arrangement is provided between an operating spindle and a plastic drive member to effect a linear movement of a valve disk. Wall members provide the groove arrangement, and additional interconnected wall members afford stability with a reduction of plastic material. Force load distribution on the drive member is effected by means of lateral extensions of the pin and groove. The pin is made integral so that a reduced size mixing valve can be achieved without loss of control over the drive member.
REFERENCES:
patent: 3533436 (1970-10-01), Parkison
patent: 3965936 (1976-06-01), Lyon
patent: 4617965 (1986-10-01), Lorch
patent: 4621659 (1986-11-01), Pawelzik
patent: 4793375 (1988-12-01), Marty
patent: 4856556 (1989-08-01), Menningmann
patent: 4901749 (1990-02-01), Hutto
patent: 4995419 (1991-02-01), Pawelzik et al.
patent: 5060692 (1991-10-01), Pawelzik et al.
patent: 5080134 (1992-01-01), Orlandi
patent: 5095934 (1992-03-01), Iqbal
patent: 5329958 (1994-07-01), Bosio
A photograph of components of a Grohe valve, admitted prior art.
Kohler Co.
Rivell John
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