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Class Information
Number: 336/57
Name: Inductor devices > With temperature modifier > With inductor insulating fluid circulating means
Description: Subject matter in which the inductor device has a circumambient liquid or gaseous insulating medium in contact with its coil or core and wherein means, such as a pump or fan, is included to force the medium to circulate for the purpose of effecting a heat exchange between the medium and the inductor device.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8710946 Rupture resistant system Apr. 29, 2014
8680959 Immersion cooled inductor apparatus Mar. 25, 2014
8614613 Transformer Dec. 24, 2013
8604899 Electrical transformer with diaphragm and method of cooling same Dec. 10, 2013
8570131 Transformer Oct. 29, 2013
8471662 Oil transformer insulation module Jun. 25, 2013
8461953 System, method and apparatus for transformer cooling Jun. 11, 2013
8436706 Pumped loop refrigerant system for windings of transformer May. 7, 2013
8416042 Transformer system Apr. 9, 2013
8368498 Coil and method for manufacturing the same Feb. 5, 2013
8305178 Electric equipment in which heat being dissipated through superficial temperature maintaining member and exchanging fluid Nov. 6, 2012
8299880 Transformer assembly Oct. 30, 2012
8284004 Heat pipe supplemented transformer cooling Oct. 9, 2012
8274769 Apparatus and method for cooling power transformers Sep. 25, 2012
8274351 Transformer device Sep. 25, 2012
8232855 High energy density inductor Jul. 31, 2012
8188822 Cooling system for large power transformers May. 29, 2012
8049587 Cooling system for a dry-type air-core reactor Nov. 1, 2011
7969264 Choke device for frequency converter Jun. 28, 2011
7902950 System for preventing rupture of transformer tank Mar. 8, 2011
7902951 Hermetically sealed electrical apparatus Mar. 8, 2011
7884691 Electrical component with a cooling circuit for underwater operation Feb. 8, 2011
7760060 Vehicle transformer Jul. 20, 2010
7710228 Electrical inductor assembly May. 4, 2010
7443273 Arrangement for cooling of components of wind energy installations Oct. 28, 2008
7409849 Oil filtration system for plural phase power equipment tanks Aug. 12, 2008
7330095 Cooled multiphase choke assembly Feb. 12, 2008
7245197 Liquid-cooled choke Jul. 17, 2007
7205874 Method and apparatus for decreasing gassing and decay of insulating oil in transformers Apr. 17, 2007
7129808 Core cooling for electrical components Oct. 31, 2006
7078994 Constant power and temperature coil Jul. 18, 2006
7049922 Method and apparatus for decreasing gassing and decay of insulating oil in transformers May. 23, 2006
7002443 Method and apparatus for cooling magnetic circuit elements Feb. 21, 2006
6985061 Arrangement and method for installing a subsea transformer Jan. 10, 2006
6972655 Construction for cooled solenoid Dec. 6, 2005
6956189 Alarm and indication system for an on-site induction heating system Oct. 18, 2005
6909349 Apparatus and method for cooling power transformers Jun. 21, 2005
6900420 Cooled induction heating coil May. 31, 2005
6885268 Method and device for cooling high voltage transformer for microwave oven Apr. 26, 2005
6873236 Fault current limiter Mar. 29, 2005
6838968 Transformer with forced liquid coolant Jan. 4, 2005
6661322 Sound-insulating device for an induction machine Dec. 9, 2003
6563410 Small footprint power transformer incorporating improved heat dissipation means May. 13, 2003
6531942 Method of cooling an induction coil Mar. 11, 2003
6529108 Electric appliance Mar. 4, 2003
6522229 Transformer Feb. 18, 2003
6494617 Status detection apparatus and method for fluid-filled electrical equipment Dec. 17, 2002
6456179 Transformer Sep. 24, 2002
6157282 Transformer cooling method and apparatus therefor Dec. 5, 2000
6062821 Integral oil filter-pump system May. 16, 2000

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