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Class 165/258 - Separate heating and cooling thermostats


Subclass of Class 165 - Heat exchange
Definition: Subject matter including a first device which measures changes
No. of patents: 10
Last issue date: 04/24/2007


NumberTitleIssue Date
7207189Refrigerator having dispenser
A dispenser of a conventional refrigerator supplies only cold water. Therefore, the dispenser cannot meet a variety of users' needs. Further, the conventional refrigerator has a problem in that various kinds of water supplied from a water source cannot be properly p...
04/24/2007
6271024Compartmental fast thermal cycler
A fast thermal cycler has a temperature chamber divided into a top, hot compartment heated by heating lamps and a bottom cold compartment cooled by liquid nitrogen, for optimizing thermal cycling rates for devices under test, such as solar cells, for rapi...
08/07/2001
6213199Temperature selectable water supply device
A temperature selectable water supply device for one of heating and cooling water provided by a water supply system to an outlet in a structure. The device includes a main water tank including an inlet conduit for receiving water from a water supply tank ...
04/10/2001
4775099Thermostatic control apparatus for operation between the heating and cooling mode
There is disclosed a thermostat controlled apparatus which operates to control operation of a heating system and a cooling system in response to the temperature detected in a given environment. The thermostat has a pair of mercury switches which are coupl...
10/04/1988
4687050Dual thermostat controlled outlets
A housing contains two thermostats which thermostats are interwired so as to enable one thermostat to control a heating operation and the other thermostat to control a cooling operation. The housing contains at least one AC power receptacle coupled to the...
08/18/1987
4531573Variable volume multizone unit
A variable volume multizone unit is disclosed for simultaneously supplying variable amounts of cool, warm or neutral air to each zone, as required. The unit is under the overall control of a computer and controls dampers located at the unit to regulate th...
07/30/1985
4491270Thermally actuated diffuser
An improved thermally actuated diffuser is disclosed. The diffuser comprises four thermal sensor actuators. A first thermal sensor actuator is responsive to changes in the room air temperature when cool air is supplied through the duct into the room. A se...
01/01/1985
4325427Dual thermostat control apparatus with dead band response
A dual thermostat apparatus includes two thermostats which generate fluid control signals proportional to room air temperature. The thermostats are matched leakport pressure sensors having a signal orifice and a bimetal lid element to generate back pressu...
04/20/1982
4323112No energy band temperature control
A system for controlling the temperature of an enclosed volume includes a pneumatic thermostat, heating means and cooling means. The thermostat has two entirely independent controls: a heating control and a cooling control. Both controls remain independen...
04/06/1982
3952796Temperature control system
An automatic temperature responsive control valve is disclosed for use in combination heating and cooling systems including two concentric valve sleeves each rotating individually in the valve body under the control of respective bimetallic transducers on...
04/27/1976
 
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