Mixer valve

Automatic temperature and humidity regulation – Mixing fluid of dissimilar temperature – Mixing valve with temperature motive means

Reexamination Certificate

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Details

C236S012180, C236S012200, C137S625400

Reexamination Certificate

active

06938827

ABSTRACT:
In a mixing valve for cold and hot water with thermostatic control of the mixed-water temperature by a thermostat (4) that is connected with a tubular double valve slide (3a, 3b) that is positioned by a temperature selector (5) and that is held in a housing (1) having at least one cold-water inlet (10), one hot-water inlet (11), and one mixed-water outlet (12), the inlet ports (22and23) of the mixing valve of the double valve slide (31, 3b) being oppositely controlled at opposite ends, it is suggested that the double valve slide (3a, 3b) have an annular web (31, 31a,30b) formed with a smaller-diameter partition sleeve (31) that is axially shiftable at least at its end in a bore (24, 26) and that downstream of the inlet ports (22and23) the hot water and cold water each flow through respective passages (301) opening into an annular mixing compartment (302) in the web (30, 30a,30b), the mixing compartment (302) extending radially through the partition sleeve (31) such that exiting mixed water is directed toward the thermostat (4).

REFERENCES:
patent: 4029256 (1977-06-01), Dauga
patent: 4738393 (1988-04-01), Bergmann et al.
patent: 4767052 (1988-08-01), Kostorz et al.
patent: 5535943 (1996-07-01), Kahle et al.
patent: 6585167 (2003-07-01), Wolber et al.
patent: 0 448 315 (1991-09-01), None
patent: 0 242 680 (1993-07-01), None

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