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Class Information
Number: 335/277
Name: Electricity: magnetically operated switches, magnets, and electromagnets > Magnets and electromagnets > With magneto-mechanical motive device (e.g., electromagnet with armature) > With shock absorption, vibration or bounce-preventing means
Description: Subject matter including means to prevent vibration or shock in the electromagnet.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7551049 |
Structure of electromagnetic switch for starter |
Jun. 23, 2009 |
| 7535328 |
Electromagnetic switch |
May. 19, 2009 |
| 7504916 |
Solenoid switch having moving contact configured to prevent contact bounce |
Mar. 17, 2009 |
| 7199687 |
Solenoid type drive and starter using the same |
Apr. 3, 2007 |
| 6935612 |
Solenoid valve |
Aug. 30, 2005 |
| 6874751 |
Electromagnetic valve |
Apr. 5, 2005 |
| 6831539 |
Magnetic microactuator for disc with integrated head connections and limiters drives |
Dec. 14, 2004 |
| 6819209 |
Magnetic damper and actuator having the same |
Nov. 16, 2004 |
| 6808134 |
Fuel injection valve |
Oct. 26, 2004 |
| 6670734 |
Linear actuator with abutment stoppers |
Dec. 30, 2003 |
| 6583695 |
Housing for switchgears |
Jun. 24, 2003 |
| 6542059 |
Solenoid for electromagnetic valve |
Apr. 1, 2003 |
| 6484613 |
Electromagnetic bounce back braking for punch press and punch press process |
Nov. 26, 2002 |
| 6404312 |
DC electromagnet |
Jun. 11, 2002 |
| 6289858 |
Coupling device for connecting an electromagnetic actuator with a component driven thereby |
Sep. 18, 2001 |
| 6279524 |
Electromagnetic actuator having a pneumatic dampening element |
Aug. 28, 2001 |
| 6281772 |
Dynamic dampening in a frictionless solenoid valve |
Aug. 28, 2001 |
| 6278247 |
Multi-resolution drive for actuators |
Aug. 21, 2001 |
| 6242994 |
Apparatus to reduce push back time in solenoid valves |
Jun. 5, 2001 |
| 6225886 |
Electromagnet |
May. 1, 2001 |
| 6037852 |
Magnet damping arrangement |
Mar. 14, 2000 |
| 6003481 |
Electromagnetic actuator with impact damping |
Dec. 21, 1999 |
| 5969589 |
Quiet ferrofluid solenoid |
Oct. 19, 1999 |
| 5954312 |
Groove means in a fuel injector valve seat |
Sep. 21, 1999 |
| 5955934 |
Quiet ferrofluid solenoid with cushion |
Sep. 21, 1999 |
| 5874875 |
Electromagnetic relay structure and spot welding machine used for fabricating same |
Feb. 23, 1999 |
| 5718418 |
Active vibration-absorber |
Feb. 17, 1998 |
| 5668517 |
Solenoid impact control device |
Sep. 16, 1997 |
| 5565832 |
Solenoid with magnetic control of armature velocity |
Oct. 15, 1996 |
| 5517267 |
Electromagnetic device for cameras |
May. 14, 1996 |
| 5508772 |
Electromagnetic device for a camera |
Apr. 16, 1996 |
| 5428330 |
Magnet switch |
Jun. 27, 1995 |
| 5370209 |
Electromagnetic coupling armature assembly adaptable to various types of hubs |
Dec. 6, 1994 |
| 5300908 |
High speed solenoid |
Apr. 5, 1994 |
| 5288025 |
Fuel injector with a hydraulically cushioned valve |
Feb. 22, 1994 |
| 5271565 |
Fuel injector with valve bounce inhibiting means |
Dec. 21, 1993 |
| 5243313 |
Tractive magnet with asymmetric permanent air gap |
Sep. 7, 1993 |
| 5181003 |
Electromagnetic solenoid valve |
Jan. 19, 1993 |
| 5146196 |
Anti-rattle feature for solenoid |
Sep. 8, 1992 |
| 5122770 |
Alternating current contactor |
Jun. 16, 1992 |
| 5038124 |
Electromagnetic switchgear |
Aug. 6, 1991 |
| 5028900 |
Damper for a rotary solenoid |
Jul. 2, 1991 |
| 4862127 |
Solenoid shock absorbing bumper arrangement and method |
Aug. 29, 1989 |
| 4854282 |
Device for securing control magnets on injection pumps for diesel fuel |
Aug. 8, 1989 |
| 4845451 |
Electromagnet |
Jul. 4, 1989 |
| 4799037 |
Circuit interrupter |
Jan. 17, 1989 |
| 4766405 |
Dynamic energy absorber |
Aug. 23, 1988 |
| 4757293 |
Solenoid for direct mounting on engines |
Jul. 12, 1988 |
| 4749976 |
Solenoid |
Jun. 7, 1988 |
| 4716480 |
Carriage latch for a disc drive |
Dec. 29, 1987 |
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