Automatic temperature and humidity regulation – Mixing fluid of dissimilar temperature – Mixing valve with temperature motive means
Reexamination Certificate
2005-08-16
2005-08-16
Tanner, Harry B. (Department: 3744)
Automatic temperature and humidity regulation
Mixing fluid of dissimilar temperature
Mixing valve with temperature motive means
C236S09300A, C137S337000
Reexamination Certificate
active
06929187
ABSTRACT:
A water control fixture having an operating valve and a thermostatically controlled bypass valve disposed in the fixture for bypassing water away from the fixture until the water temperature reaches a desired level. When pressurized water from the hot water heater reaches the desired temperature level at the fixture, the bypass valve closes and hot water is made available to the fixture. The bypass valve has a thermal actuator element that is thermally responsive to the temperature of the water. The fixture can have a housing with an interior chamber for operatively receiving the bypass valve. Various passages or channels can be provided to facilitate communication between the bypass valve and the water supply lines. Alternatively, the bypass valve can be positioned in the operating valve, including the moveable ball and the replaceable cylindrical valving cartridge types. A system using the in-fixture bypass valve is also provided.
REFERENCES:
patent: 2507954 (1950-05-01), Binnall et al.
patent: 2842155 (1958-07-01), Peters
patent: 5205318 (1993-04-01), Massaro et al.
patent: 5606987 (1997-03-01), Weber
Kempf Dale
Lum Ken
Grundfos Pumps Manufacturing Corporation
Ryan Richard A.
Tanner Harry B.
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