Matches 1 - 10 out of 10


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8729984 Magnetic actuator with more than one air gap in series  
Systems and methods provide a magnetic actuator having more than one air gap. After the trip unit is triggered, a first armature is accelerated to quickly close a first air gap and then mate with...
5710532 Solenoid with movement dampener  
A solenoid having a controlled rate of motion is provided. The solenoid includes a housing having a channel disposed therein, a coil disposed around the channel for providing an electromagnetic...
5543766 Operating device for a circuit breaker  
An electro-magnetic operating device 10 for a circuit breaker includes a coil 12 which defines a cavity 14. A pair of elements 34, 44 are slidably arranged within the cavity 14, a first element 34...
5402092 Electro-magnetic device  
An electro-magnetically operable device 12 for a circuit breaker 10 comprises a coil 13 that defines a cavity. A first plunger 14 and a second plunger 16 are located within the cavity, adjacent...
5276420 Electromagnetic actuating device incorporated in a remote control unit  
An electromagnetic actuator comprises a coil associated with a magnetic circuit having a first series of polar parts to drive a rotor, and a second series of polar parts cooperating with a...
5017901 Controller for a movable member  
A tape recorder having a controller for a movable member is able to control the movement of the member between two states by one electromagnet. The controller includes an electromagnet having...
3740650 ELECTROMAGNETIC SWITCH  
In an electromagnetic switch assembly having a solenoid and a movable armature attractable to the solenoid by a first electromagnetic force, improved control of armature movement is achieved...
2932773 Electromagnetic control apparatus  
2898527 Polarized relay  
2872274 Electro-mechanical chronograph  

Matches 1 - 10 out of 10