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Class Information
Number: 417/371
Name: Pumps > Motor driven > Including means utilizing pump fluid for augmenting cooling, lubricating, sealing, or cleaning of motor > Pump fluid flows serially from motor through pump
Description: Apparatus in which the pump fluid is directed to the motor or part thereof upstream of and prior to engagement with the pumping member of the pump.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8668467 Integrated fluid handling apparatus Mar. 11, 2014
8653778 Inverter-integrated electric compressor Feb. 18, 2014
8636479 Blower with bearing tube Jan. 28, 2014
8550793 Fastening of rotor magnets on the shaft of a compressor arrangement Oct. 8, 2013
8480375 Auto-stop air pump Jul. 9, 2013
8465265 System and method for cooling a compressor motor Jun. 18, 2013
8439655 Cooling channel for a fan motor for a ventilation, heating, and/or air conditioning system May. 14, 2013
8360735 Serial axial fan Jan. 29, 2013
8303271 Electric compressor integral with drive circuit Nov. 6, 2012
8303270 Motor-driven compressor Nov. 6, 2012
8262370 Cooling system for a blower Sep. 11, 2012
8257059 Air supply system for a vehicle Sep. 4, 2012
8251676 Axial-flow fan for a vehicle radiator Aug. 28, 2012
8246322 Element for positioning and retaining an electric motor stator in a compressor, compressor and mounting method Aug. 21, 2012
8221095 Method and apparatus for protection of compressor modules against influx of contaminated gas Jul. 17, 2012
8147216 Motor-pump unit Apr. 3, 2012
8047813 Noise-suppression pump apparatus and method Nov. 1, 2011
8021127 System and method for cooling a compressor motor Sep. 20, 2011
7946831 Compressor for refrigerant May. 24, 2011
7699587 Cooling channel for automotive HVAC blower assembly Apr. 20, 2010
7638741 Heat conductor for pump system Dec. 29, 2009
7540722 Blower Jun. 2, 2009
7500837 Small size gear pump Mar. 10, 2009
7425119 Electrical charge air compressor provided with an integrated air cooling system Sep. 16, 2008
7311501 Scroll compressor with bifurcated flow pattern Dec. 25, 2007
7299873 Method for pumping fluids Nov. 27, 2007
7229259 Compressor motor-end bearing having oil leakage path Jun. 12, 2007
7182583 Electro-hydraulic power unit with a rotary cam hydraulic power unit Feb. 27, 2007
7112045 Electric compressor Sep. 26, 2006
7097433 Fuel transfer pump Aug. 29, 2006
7082785 Oil separator for vapor compression system compressor Aug. 1, 2006
7077633 Electric compressor Jul. 18, 2006
7070397 Compressor suction gas feed assembly Jul. 4, 2006
7044717 Lubrication of a hermetic carbon dioxide compressor May. 16, 2006
7025577 Enclosed-configuration electrically powered compressor having electric motor with stator coil thereof cooled by flow of refrigerant prior to compression of the refrigerant Apr. 11, 2006
7018185 Liquid recovery method and system for compression mechanism Mar. 28, 2006
7001156 Structure of an air inflation device Feb. 21, 2006
6997687 Electric compressor Feb. 14, 2006
6974115 Electro-hydrostatic actuator Dec. 13, 2005
6899516 Transverse type blowers May. 31, 2005
6871512 Motor-driven compressor Mar. 29, 2005
6736607 Low-pressure gas circuit for a compressor May. 18, 2004
6729858 Thrust bearing cooling unit for a turbo compressor May. 4, 2004
6716003 Structure for an air pump Apr. 6, 2004
6695581 Combination fan-flywheel-pulley assembly and method of forming Feb. 24, 2004
6544009 Compressor and electric motor Apr. 8, 2003
6524082 Electric compressor Feb. 25, 2003
6514053 Motor-driven pump with a plurality of impellers Feb. 4, 2003
6488480 Housing for screw compressor Dec. 3, 2002
6474981 Co-axial furnace blower with simplified construction Nov. 5, 2002

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