Automatic temperature and humidity regulation – Mixing fluid of dissimilar temperature – Having oscillating or reciprocating valve
Reexamination Certificate
2007-03-20
2007-03-20
Tapolcai, Willliam E. (Department: 3744)
Automatic temperature and humidity regulation
Mixing fluid of dissimilar temperature
Having oscillating or reciprocating valve
C004S676000
Reexamination Certificate
active
10939585
ABSTRACT:
A thermostatic mixing valve for the mixing of a first fluid and a second fluid is disclosed. The thermostatic mixing valve is configured to produce a mixed fluid of a particular temperature from a first fluid of a temperature higher than or equal to the particular temperature and a second fluid of a temperature lower than or equal to the particular temperature. The thermostatic mixing valve includes a valve body having a first fluid inlet, a second fluid inlet, and a mixed fluid outlet. The thermostatic mixing valve also includes a valve member configured to control the rate of flow of at least the first fluid. The valve member includes a thermostatic control device in communication with the mixed fluid and a shuttle coupled to the thermostatic control device, configured for movement within a liner, and oriented to adjustably engage the flow of at least the first fluid through at least one opening within a wall of the liner, the direction of flow of the first fluid being at least partially transverse with respect to the shuttle. At least one fluid inlet may include a check valve configured to prevent fluid from flowing out of the valve through the inlet. The check valve includes a first check valve member which is stationary, a second check valve member which is movable and engageable with the first check valve member, and a spring for urging the second check valve member into engagement with the first check valve member and for defining the path of motion of the second check valve member.
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Powers Process Controls, “What's behind the newest race in water tempering control?:
Bingham McHale LLP
Daniluck John V.
Magarl, LLC
Tapolcai Willliam E.
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