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Class Information
Number: 310/115
Name: Electrical generator or motor structure > Dynamoelectric > Rotary > Plural rotary elements > Field and armature both rotate
Description: Subject matter in which both the field and the armature of a dynamoelectric device rotate.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7624828 |
Vehicle power transfer system and method, and vehicle using the same |
Dec. 1, 2009 |
| 7554237 |
Centrifugal-effect vibration generator having coaxial contrarotating rotors |
Jun. 30, 2009 |
| 7528512 |
Two-outlet electromechanical motor |
May. 5, 2009 |
| 7466053 |
Dual-rotor electric traction motor |
Dec. 16, 2008 |
| 7262533 |
Energy transfer apparatus |
Aug. 28, 2007 |
| 7230363 |
Low profile generator configuration |
Jun. 12, 2007 |
| 7173356 |
Independent direct drive for paper processing machines |
Feb. 6, 2007 |
| 6710492 |
Concentrically arranged single stator dual rotor motor/generator |
Mar. 23, 2004 |
| 6493924 |
Method for enabling a high torque/high speed brushless DC motor |
Dec. 17, 2002 |
| 6433451 |
Method and electric motor with rotational stator |
Aug. 13, 2002 |
| 6304017 |
Counter rotating nested cylinders in electrical machinery |
Oct. 16, 2001 |
| 6118202 |
High-efficiency inductor-alternator |
Sep. 12, 2000 |
| 6072258 |
Permanent magnet coupler with adjustable air gaps |
Jun. 6, 2000 |
| 6005358 |
Drive system for electric vehicles |
Dec. 21, 1999 |
| 5994811 |
Electric motor |
Nov. 30, 1999 |
| 5936321 |
Magnet coupling including permanent magnets disposed to define magnetic gap therebetween |
Aug. 10, 1999 |
| 5856719 |
Electromagnetic-coupled/levitated apparatus and method for rotating equipment |
Jan. 5, 1999 |
| 5844345 |
Homopolar motor with dual rotors |
Dec. 1, 1998 |
| 5838085 |
Versatile AC dynamo-electric machine |
Nov. 17, 1998 |
| 5804935 |
Drive system for electric vehicles |
Sep. 8, 1998 |
| 5760515 |
Electrical power generating apparatus and an electrical vehicle including such apparatus |
Jun. 2, 1998 |
| 5749432 |
Power steering gear for motor vehicle |
May. 12, 1998 |
| 5747909 |
Hybrid alternator |
May. 5, 1998 |
| 5534738 |
Motor having non-coaxial, synchronized rotors |
Jul. 9, 1996 |
| 5455473 |
Field weakening for a doubly salient motor with stator permanent magnets |
Oct. 3, 1995 |
| 5454439 |
Power steering gear for motor vehicle |
Oct. 3, 1995 |
| 5434454 |
Transient-free synchronous electrical power machine |
Jul. 18, 1995 |
| 5281880 |
Rotary machine |
Jan. 25, 1994 |
| 5267925 |
Exercise dynamometer |
Dec. 7, 1993 |
| 5241232 |
Homopolar motor-generator |
Aug. 31, 1993 |
| 5089734 |
Dual rotary ac generator |
Feb. 18, 1992 |
| 5087230 |
Drive transmissions |
Feb. 11, 1992 |
| 5038063 |
Rotary actuator with limited angular movement |
Aug. 6, 1991 |
| 4947069 |
Low power magnetic tape reel motor and brake assembly |
Aug. 7, 1990 |
| 4841185 |
Rising frequency generator |
Jun. 20, 1989 |
| 4755700 |
Variable speed AC motor |
Jul. 5, 1988 |
| 4678182 |
Bicycle ergometer and eddy current brake therefor |
Jul. 7, 1987 |
| 4644206 |
Continuously variable torque converter |
Feb. 17, 1987 |
| 4625160 |
Variable speed constant frequency generating system |
Nov. 25, 1986 |
| 4556366 |
Propeller actuation system |
Dec. 3, 1985 |
| 4405028 |
Drive system for electric vehicles |
Sep. 20, 1983 |
| RE30847 |
Tubular wheel speed sensor |
Jan. 12, 1982 |
| 4237395 |
Electric dynamotor |
Dec. 2, 1980 |
| 4147945 |
Mounting for rotating machine on a drive shaft |
Apr. 3, 1979 |
| 4110059 |
Pumping device |
Aug. 29, 1978 |
| 4084445 |
Contra-rotating vibrator |
Apr. 18, 1978 |
| 4056746 |
Counterrotation electric motor |
Nov. 1, 1977 |
| 3952217 |
Drive for scanning mirror |
Apr. 20, 1976 |
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