Patents
Patents for H02K 33 - Motors with reciprocating, oscillating, or vibrating magnet, armature, or coil system (7,676)
06/1983
06/28/1983US4389849 Stirling cycle cryogenic cooler
06/21/1983US4389169 Pump for fluids
06/01/1983EP0080022A1 Oscillating device
05/1983
05/26/1983WO1983001872A1 Combined linear motor and carriage
05/17/1983US4384221 Motor
05/11/1983EP0078740A1 Electromagnetic jack
04/1983
04/13/1983EP0076726A2 Stirling cycle cryogenic cooler
04/13/1983EP0076438A2 Regulating device for a vibratory motor
03/1983
03/29/1983US4378064 Three mass electromagnetic feeder
03/15/1983US4376449 Two reservoir system in which fluid is drawn from one to maintain a level in the other
03/08/1983US4375941 Method and apparatus for pumping blood
03/01/1983CA1142031A1 Solenoid-actuated pump
02/1983
02/15/1983US4374330 Control circuit for a part which is moved in an oscillating manner by an electric drive
02/01/1983US4371815 Waterbed vibrator
02/01/1983US4371800 Vibrating linear motor for electromagnetic feeders and similar machines
01/1983
01/25/1983US4370602 Waterbed vibrator
01/18/1983US4369398 Method and apparatus for monitoring vibrating equipment
01/11/1983US4368396 Reciprocating electric motor with permanent magnets
12/1982
12/28/1982US4366401 Electromagnetic devices
12/28/1982US4365942 Liquid helium pump
12/28/1982US4365680 Force measuring device
12/14/1982US4364000 Limited rotation device having two degrees of freedom
12/14/1982US4363980 Linear motor
11/1982
11/16/1982US4359673 Electromagnetically actuated linear reciprocating self-timed motor
11/16/1982US4359289 Counterbalanced bidirectional shuttle drive having linear motor
11/09/1982US4358691 Linear electric motor
11/02/1982CA1134893A1 Rotary actuator with selectable response characteristics
10/1982
10/27/1982EP0063233A2 Electromagnetic driving element
10/20/1982EP0062745A1 Drive apparatus for linear motions
10/19/1982US4354618 Braking method and apparatus for vibratory feeder
10/12/1982US4353220 Resonant piston compressor having improved stroke control for load-following electric heat pumps and the like
10/05/1982US4352645 Solenoid pump adapted for noiseless operation
09/1982
09/29/1982EP0060969A1 Magnetic drive system for producing linear movements
09/28/1982CA1132646A1 Linear motor
09/21/1982US4350243 Control circuitry and method for vibratory feeder
09/14/1982US4349757 Linear oscillating electric machine with permanent magnet excitation
09/08/1982EP0016023B1 Electromagnetic driving device for positive displacement oscillating pumps
09/07/1982US4348094 Having thermosetting resin base plate
08/1982
08/24/1982US4346319 Rotary electromagnetic actuator
08/24/1982US4346318 Linear motion devices
08/24/1982US4345442 Control system for resonant free-piston variable stroke compressor for load-following electric heat pumps and the like
08/18/1982EP0057896A2 Circuit for operation of an electromagnetically actuated hammer
08/17/1982US4345228 Rotary actuator
08/10/1982CA1129470A1 Multi-stage solenoid actuator for extended stroke
07/1982
07/20/1982US4340846 Magnetic apparatus for producing movement
07/20/1982CA1128105A1 Galvanometer-type motor
07/06/1982US4338013 Electromagnetically driven shutter
06/1982
06/29/1982US4337449 Magnetic transducer with a movable magnet
06/15/1982US4335418 Electronic interrupter
06/08/1982US4334205 Electromagnetic devices
06/08/1982US4334180 Electromagnetic driving mechanism for oscillating displacement pumps
06/02/1982EP0052651A1 Linear solenoid device
06/01/1982CA1124819A1 Power control for vibratory feeder
06/01/1982CA1124779A1 Magnetic actuator using modulated flux
05/1982
05/25/1982US4331263 Control unit for use in a vibratory feeder system
05/25/1982CA1124366A1 Electronically operated portable fastener driving tool
05/25/1982CA1124297A1 Electromechanical actuator applied to an electronically controlled sewing machine
05/11/1982CA1123401A1 Electric vacuum pump
05/05/1982EP0050914A1 Electronic interrupter
04/1982
04/27/1982CA1122638A1 Linear electromagnetic actuator with permanent magnet armature
04/20/1982US4326139 Electromagnetic devices
04/20/1982US4326138 Hair cutting apparatus
03/1982
03/30/1982CA1120986A1 Positioning means for limited rotation electric motor
03/23/1982US4321571 Rotary actuator with selectable response characteristics
03/16/1982US4320448 Vibrating compressor
03/09/1982US4319211 Electromagnetically driven device
03/02/1982US4318016 Transducer
02/1982
02/09/1982US4315197 Linear magnetic motor/generator
02/05/1982EP0039712A4 Flat-coil actuator array for multi-head disk drive.
02/02/1982CA1117436A1 Tone arm driving apparatus
02/02/1982CA1117367A1 Dual action solenoid pump
01/1982
01/19/1982CA1116680A1 Solenoid construction
01/12/1982US4310918 Tone arm driving apparatus
01/05/1982US4309675 Control circuit for providing a synchronized drive signal to an oscillating system
12/1981
12/29/1981US4308475 Solenoid pump adapted for noiseless operation
12/22/1981US4306842 Electromagnetic pumps
12/15/1981US4306206 Linear solenoid device
12/10/1981WO1981003575A1 Linear solenoid device
12/08/1981US4305024 Magnetic motor
12/08/1981CA1113992A1 Electromagnetic actuator with torque-compensating poles
12/08/1981CA1113991A1 Vibrator
12/01/1981US4303901 Electromagnetic fuel control element
12/01/1981US4303869 Control circuit for electromagnetic apparatus
11/1981
11/24/1981US4302720 Galvanometer-type motor
11/18/1981EP0039712A1 Flat-coil actuator array for multi-head disk drive.
11/17/1981CA1112513A1 High pressure fluid pump
11/10/1981US4300083 Constant amplitude controller and method
11/10/1981US4299544 Electromagnetic pumps
10/1981
10/27/1981CA1111474A1 Moving-coil type motor
09/1981
09/23/1981EP0036011A1 Electromagnetic motor
09/22/1981US4291258 DC Excitation control for linear oscillating motors
09/15/1981US4290040 Electromagnetic actuator having preloaded spring means
09/08/1981US4288771 Electromagnetic driven device
09/08/1981CA1108695A1 Pulsed excitation alternator
09/01/1981US4287457 Electromagnetic rotating apparatus
08/1981
08/19/1981EP0033803A2 Linear magnetic motor
08/18/1981US4283920 Refrigerating device
07/1981
07/15/1981EP0031876A1 Limited angle electric rotary actuator
06/1981
06/26/1981EP0024429A4 Linear actuator.
06/09/1981US4272225 Electromagnetically-operated fixed displacement pump
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