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Class Information
Number: 62/177
Name: Refrigeration > Automatic control > Of external fluid or means
Description: Apparatus controlling a fluid other than a refrigerant, a cooled product or a product to be cooled.










Sub-classes under this class:

Class Number Class Name Patents
62/186 Air controller or director 500
62/189 By fluid flow, e.g., check valve 7
62/188 By lever, e.g., float-controlled valve 61
62/183 Cooling fluid for heat rejecter, e.g., condenser 183
62/178 Diverse control or response 75
62/185 Indirect heat transfer liquid, e.g., brine 189


Patents under this class:
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Patent Number Title Of Patent Date Issued
8620502 Coolant circulation heater for an electric vehicle battery Dec. 31, 2013
8584473 Cooling apparatus used for cryonic preservation, and corresponding operating method Nov. 19, 2013
8387405 Antimicrobial ultraviolet light system for refrigerator sanitation Mar. 5, 2013
8356487 Control system and method for vaporizer with heating tower Jan. 22, 2013
8245523 Multi-air conditioner Aug. 21, 2012
8015834 Rotation speed control device, air conditioner, and rotation speed control method Sep. 13, 2011
8019477 Energy efficient CRAC unit operation Sep. 13, 2011
7966837 Air-conditioning register assembly and method Jun. 28, 2011
RE42195 Energy efficient crac unit operation using heat transfer levels Mar. 1, 2011
7878018 Kimchi refrigerator and control method of the same Feb. 1, 2011
7748223 Constant temperature liquid bath Jul. 6, 2010
7584021 Energy efficient CRAC unit operation using heat transfer levels Sep. 1, 2009
7493774 Control system for a refrigerator ice/water dispenser Feb. 24, 2009
7448226 Refrigerator Nov. 11, 2008
7415834 In-door water dispenser with door reversibility Aug. 26, 2008
7185503 Conditioning system for a manufacturing machine, in particular a machine tool Mar. 6, 2007
7171816 Air conditioner Feb. 6, 2007
7010392 Energy efficient CRAC unit operation using heat transfer levels Mar. 7, 2006
6976524 Apparatus for maximum work Dec. 20, 2005
6755037 Apparatus and method for extracting potable water from atmosphere Jun. 29, 2004
6751969 Device for use in maintaining a temperature in a vehicle or shipping container Jun. 22, 2004
6732540 Air conditioning plant and control method thereof May. 11, 2004
6722141 Apparatus and methods for placing an additive fluid into a refrigerant circuit Apr. 20, 2004
6688123 Automated storage and retrieval apparatus for freezers and related method thereof Feb. 10, 2004
6681585 Liquid dispenser with self-filling container Jan. 27, 2004
6637224 Beverage cooler Oct. 28, 2003
6581395 Automated storage and retrieval apparatus for freezers and related method thereof Jun. 24, 2003
6477853 System for prolonging useful life of foodstuffs in a refrigerator Nov. 12, 2002
6467285 Automated storage and retrieval apparatus for freezers and related method thereof Oct. 22, 2002
6276150 Chilling technique for dispensing carbonated beverage Aug. 21, 2001
6244058 Tube and shell evaporator operable at near freezing Jun. 12, 2001
6196011 Refrigeration system with independent compartment temperature control Mar. 6, 2001
6085532 Chiller capacity control with variable chilled water flow compensation Jul. 11, 2000
6026653 Marine air conditioner Feb. 22, 2000
5894735 Heat pump system using energy-supplying mechanism to control refrigerant pressure Apr. 20, 1999
5878588 Energy saving air cooling system Mar. 9, 1999
5829263 Method for controlling water supply of automatic ice maker in refrigerator and water supply device employing the same Nov. 3, 1998
5280711 Low cost beverage dispensing apparatus Jan. 25, 1994
5172565 Air handling system utilizing direct expansion cooling Dec. 22, 1992
5133193 Air handling system utilizing direct expansion cooling Jul. 28, 1992
4884413 Ice machine Dec. 5, 1989
4862698 Method and apparatus for testing for refrigerant leaks Sep. 5, 1989
4745762 Method and apparatus for cooling or freezing May. 24, 1988
4637219 Peak shaving system for air conditioning Jan. 20, 1987
4490986 Electronic sensing and display system for a refrigerator Jan. 1, 1985
4487619 Thermoelectric temperature controller for liquid chemical bubbler containers Dec. 11, 1984
4484396 Oxygen reduction system and condenser apparatus with automatic defrost Nov. 27, 1984
4471631 Mobile water chiller apparatus Sep. 18, 1984
4365480 Process gas treating apparatus Dec. 28, 1982
4274263 Continuously refrigerated, automatically ejected block ice machine Jun. 23, 1981

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