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Class Information
Number: 236/75
Name: Automatic temperature and humidity regulation > Motors > Electric > Reciprocating or oscillating
Description: Devices of the type where the regulating member is operated by an element reciprocated or oscillated by means of a solenoid or electric magnet whose operation is controlled by means responsive to the temperature to be regulated.










Patents under this class:

Patent Number Title Of Patent Date Issued
7061202 Automobile servomotor controller Jun. 13, 2006
6679084 Expansion device with shutoff mechanism Jan. 20, 2004
6672091 Atomization device for a refrigerant Jan. 6, 2004
6205799 Spray cooling system Mar. 27, 2001
6053416 Automatic hydronic zone valve and electric controls therefor Apr. 25, 2000
6006527 Refrigeration system Dec. 28, 1999
5950441 Method and apparatus for controlling an evaporative gas conditioning system Sep. 14, 1999
5735456 Universal retrofit valve actuator and system Apr. 7, 1998
5460349 Expansion valve control element for air conditioning system Oct. 24, 1995
5435145 Refrigerant flow rate control based on liquid level in simple vapor compression refrigeration cycles Jul. 25, 1995
5396780 Refrigeration system and method of controlling a refrigeration system Mar. 14, 1995
5077983 Method and apparatus for improving efficiency of a pulsed expansion valve heat pump Jan. 7, 1992
4899549 Transport refrigeration system with improved temperature and humidity control Feb. 13, 1990
4787213 Regulating mechanism for the refrigerant flow to the evaporator or refrigerating systems or heat pumps and expansion valves arranged in the refrigerant flow Nov. 29, 1988
4714193 Selector valve device Dec. 22, 1987
4608208 Control valve device Aug. 26, 1986
4548047 Expansion valve Oct. 22, 1985
4434933 Gas flow rate control system Mar. 6, 1984
4425767 Refrigeration control system for modulating electrically-operated expansion valves Jan. 17, 1984
4366678 Temperature control apparatus for refrigerating machine Jan. 4, 1983
4362027 Refrigeration control system for modulating electrically-operated expansion valves Dec. 7, 1982
4240580 Temperature dependent electronic control switch Dec. 23, 1980
4193269 Apparatus for supplying a cooling liquid to a condenser of a refrigeration unit Mar. 18, 1980
3973618 Electronic capacity control or direct expansion refrigeration of air conditioning systems Aug. 10, 1976











 
 
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