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Class Information
Number: 310/55
Name: Electrical generator or motor structure > Dynamoelectric > Rotary > Cooling or fluid contact > Nonatmospheric gas
Description: Subject matter in which the cooling fluid or contacting fluid is a gas under normal atmospheric temperatures and pressures and is other than atmospheric air.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7550113 |
System for maintaining hydrogen purity in electrical generators and method thereof |
Jun. 23, 2009 |
| 7538464 |
Seal for generator |
May. 26, 2009 |
| 7530230 |
Supercharger with electric motor |
May. 12, 2009 |
| 7285881 |
Superconducting device comprising a cooling unit for cooling a rotating, superconductive coil |
Oct. 23, 2007 |
| 7141898 |
Gas-cooled generator |
Nov. 28, 2006 |
| 7142125 |
Fan monitoring for failure prediction |
Nov. 28, 2006 |
| 6965185 |
Variable pitch manifold for rotor cooling in an electrical machine |
Nov. 15, 2005 |
| 6943469 |
Supplemented zonal ventilation system for electric generator |
Sep. 13, 2005 |
| 6936939 |
Rotating electric machine and cooling method thereof |
Aug. 30, 2005 |
| 6825584 |
High-voltage electric rotary machine and a method for cooling the conductors of said machine |
Nov. 30, 2004 |
| 6803688 |
Isolation of generator bearing housing from generator enclosure and methods therefor |
Oct. 12, 2004 |
| 6795720 |
High temperature superconducting synchronous rotor coil having multi-piece rotor core |
Sep. 21, 2004 |
| 6759770 |
Cooling system for modular field windings of a generator |
Jul. 6, 2004 |
| 6727610 |
Generator having flange baffle and method for controlling ventilation flow |
Apr. 27, 2004 |
| 6727609 |
Cooling of a rotor for a rotary electric machine |
Apr. 27, 2004 |
| 6724107 |
Dynamo-electric machine |
Apr. 20, 2004 |
| 6707179 |
Protected seal and related methods for sealing fluid in power generation system |
Mar. 16, 2004 |
| 6489701 |
Superconducting rotating machines |
Dec. 3, 2002 |
| 6450781 |
Centrifugal compressor assembly for a refrigerating system |
Sep. 17, 2002 |
| 6355995 |
Motor cooling system |
Mar. 12, 2002 |
| 6211586 |
Gas-cooled electrical machine |
Apr. 3, 2001 |
| 5808387 |
Electric motor for an electric vehicle |
Sep. 15, 1998 |
| 5785114 |
Integral hydrogen cooler assembly for electric generators |
Jul. 28, 1998 |
| 5753986 |
Explosion proof for electric motor |
May. 19, 1998 |
| 5703421 |
Reluctance generator/motor cooling |
Dec. 30, 1997 |
| 5602435 |
Gas-cooled electrical machine |
Feb. 11, 1997 |
| 5477095 |
Rotor of a turbogenerator having direct gas cooling of the excitation winding |
Dec. 19, 1995 |
| 5285123 |
Turbo-generator |
Feb. 8, 1994 |
| 5283488 |
Rotor cooling structure |
Feb. 1, 1994 |
| 5276374 |
Gas-cooled electric machine |
Jan. 4, 1994 |
| 5252880 |
Dynamoelectric machine rotor endwindings with cooling passages |
Oct. 12, 1993 |
| 5097669 |
Control of hydrogen cooler employed in power generators |
Mar. 24, 1992 |
| 4959569 |
Stator coil water system early alert hydrogen leakage monitor |
Sep. 25, 1990 |
| 4948996 |
Direct cooled bore connector |
Aug. 14, 1990 |
| 4883995 |
Automatic oil draining system for generators |
Nov. 28, 1989 |
| 4876470 |
Gas-cooled electric machine |
Oct. 24, 1989 |
| 4859887 |
Synchronous machine |
Aug. 22, 1989 |
| 4795933 |
Salient-pole rotary electric machine |
Jan. 3, 1989 |
| 4751412 |
Dynamoelectric machine with cam locked air gap baffle assembly |
Jun. 14, 1988 |
| 4739207 |
Wedge locking device in a radially ventilated rotor |
Apr. 19, 1988 |
| 4632643 |
Sump pump |
Dec. 30, 1986 |
| 4609840 |
Baffle for improving coolant gas flow distribution in the gap region of a gas cooled dynamoelectric machine |
Sep. 2, 1986 |
| 4512725 |
Rotary vacuum pump |
Apr. 23, 1985 |
| 4508985 |
Dynamoelectric machine with rotor ventilation system including axial duct inlet fairing |
Apr. 2, 1985 |
| 4465947 |
Fan diffuser and collector combination for cooling systems in dynamoelectric machines |
Aug. 14, 1984 |
| 4464593 |
Liquid cooled commutation-type dynamo electric machine |
Aug. 7, 1984 |
| 4383190 |
Non-reversible electrical machine with gas cooling |
May. 10, 1983 |
| 4365177 |
Gas-cooled rotor for a turbo-generator |
Dec. 21, 1982 |
| 4363982 |
Dual curved inlet gap pickup wedge |
Dec. 14, 1982 |
| 4352034 |
Stator core with axial and radial cooling for dynamoelectric machines wth air-gap stator windings |
Sep. 28, 1982 |
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