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Class Information
Number: 310/30
Name: Electrical generator or motor structure > Dynamoelectric > Reciprocating > Direct-connected > Solenoid and core
Description: Subject matter in which the relatively movable parts of the dynamoelectric device are concentric and consist of a hollow winding and a plunger type armature passing thereunto.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619498 |
Vibrator |
Nov. 17, 2009 |
| 7593630 |
Built-in multidriver device for a camera zoom lens |
Sep. 22, 2009 |
| 7576454 |
Multiple magnet coil in gap generator |
Aug. 18, 2009 |
| 7557474 |
Electromagnetic exciter |
Jul. 7, 2009 |
| 7554429 |
Electromagnetic actuator |
Jun. 30, 2009 |
| 7554225 |
Electric motor with a coil arrangement for providing oscillatory linear and rotational movement |
Jun. 30, 2009 |
| 7525203 |
Back-up electric power generator for electronic components attached to automatic firearms |
Apr. 28, 2009 |
| 7332846 |
Damping device |
Feb. 19, 2008 |
| 7255290 |
Very high speed rate shaping fuel injector |
Aug. 14, 2007 |
| 7202578 |
Electromagnetic drive device |
Apr. 10, 2007 |
| 7150606 |
Electromagnetic fuel pump |
Dec. 19, 2006 |
| 7078833 |
Force motor with increased proportional stroke |
Jul. 18, 2006 |
| 6972500 |
Electromagnetic actuator |
Dec. 6, 2005 |
| 6936937 |
Linear electric generator having an improved magnet and coil structure, and method of manufacture |
Aug. 30, 2005 |
| 6921983 |
Electric generation device |
Jul. 26, 2005 |
| 6861772 |
Multiple magnet system with different magnet properties |
Mar. 1, 2005 |
| 6853100 |
Linear actuator and a pump apparatus and compressor apparatus using same |
Feb. 8, 2005 |
| 6849971 |
Drive devices for interrupter units in power supply and distribution switchgear |
Feb. 1, 2005 |
| 6812598 |
Multiple magnet transducer with differential magnetic strengths |
Nov. 2, 2004 |
| 6809434 |
Linear motor |
Oct. 26, 2004 |
| 6798090 |
Electrical power generation by coupled magnets |
Sep. 28, 2004 |
| 6768230 |
Multiple magnet transducer |
Jul. 27, 2004 |
| 6737766 |
Magnetic actuator and method |
May. 18, 2004 |
| 6717297 |
Electrical machine |
Apr. 6, 2004 |
| 6710476 |
Electromagnetic reciprocal drive mechanism |
Mar. 23, 2004 |
| 6700229 |
Electrical machine |
Mar. 2, 2004 |
| 6700232 |
Solenoid valve having a clapper armature with yoke pins at the end, remote from the sealing element |
Mar. 2, 2004 |
| 6628019 |
High efficiency pneumatically driven electric power generator |
Sep. 30, 2003 |
| 6441517 |
Drive mechanism for oscillating electric products of personal use, particularly dry shavers |
Aug. 27, 2002 |
| 6414406 |
Solenoid actuator |
Jul. 2, 2002 |
| 6365993 |
Round linear actuator utilizing flat permanent magnets |
Apr. 2, 2002 |
| 6307287 |
High-efficiency moving-magnet loudspeaker |
Oct. 23, 2001 |
| 6274954 |
Electromagnetic actuator for actuating a gas-exchanging valve |
Aug. 14, 2001 |
| 6246131 |
Magnetic power apparatus |
Jun. 12, 2001 |
| 6242823 |
Linear electric machine |
Jun. 5, 2001 |
| 6188151 |
Magnet assembly with reciprocating core member and associated method of operation |
Feb. 13, 2001 |
| 6175168 |
Overmolded stator for fuel metering solenoid and method of manufacturing same |
Jan. 16, 2001 |
| 6060797 |
Solenoid operated remote resetting device with a protective activation circuit |
May. 9, 2000 |
| 6051897 |
Solenoid actuator with positional feedback |
Apr. 18, 2000 |
| 5994800 |
Precision clamping device with digitally programmable load |
Nov. 30, 1999 |
| 5969443 |
Electromagnetic actuating device |
Oct. 19, 1999 |
| 5907201 |
Displacer assembly for Stirling cycle system |
May. 25, 1999 |
| 5847474 |
Lorentz force actuator |
Dec. 8, 1998 |
| 5828144 |
Electromagnetic actuator |
Oct. 27, 1998 |
| 5739599 |
Electromagnetic actuator |
Apr. 14, 1998 |
| 5693991 |
Synchronous twin reciprocating piston apparatus |
Dec. 2, 1997 |
| 5587615 |
Electromagnetic force generator |
Dec. 24, 1996 |
| 5525845 |
Fluid bearing with compliant linkage for centering reciprocating bodies |
Jun. 11, 1996 |
| 5329194 |
Ultrasonic peripheral vascular probe assembly |
Jul. 12, 1994 |
| 5315190 |
Linear electrodynamic machine and method of using same |
May. 24, 1994 |
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