Patents for H01F 7 - Magnets (20,067)
01/1995
01/12/1995DE4322199A1 Verfahren und Einrichtung zur Ansteuerung eines elektromagnetischen Verbrauchers Method and apparatus for controlling an electromagnetic load
01/11/1995EP0632929A1 Producing magnetic fields in working gaps useful for irradiating a surface with atomic and molecular ions
01/10/1995US5381297 System and method for operating high speed solenoid actuated devices
01/10/1995US5379495 Magnetic latch
01/05/1995WO1995000960A1 A system and method for operating high speed solenoid actuated devices
01/05/1995WO1995000959A1 Electromagnetically actuated valve
01/05/1995WO1995000864A1 Magnetic screen
01/05/1995WO1995000787A1 Improved core design for electromagnetically actuated valve
01/05/1995CA2165468A1 Improved core design for electromagnetically actuated valve
01/04/1995EP0632201A1 Scroll compressor oil pumping system
01/04/1995EP0631878A2 A force transferring magnetic actuator apparatus and method
01/04/1995CN2186838Y A.C. electromagnet for valve
01/03/1995US5379178 Method and device for triggering an electromagnetic consumer
01/03/1995US5377392 Magnetic fastening device
12/1994
12/28/1994EP0631358A2 Device for producing magnetic fields in working gaps useful for irradiating a surface with atomic and molecular ions
12/28/1994EP0631292A2 Device for driving an electromagnetic consumer
12/28/1994EP0631076A1 Electromagnetic valve with tubular metallic core
12/28/1994EP0630851A1 Magnetic attraction device
12/28/1994EP0630515A1 Electromagnetically actuated compressor valve
12/28/1994EP0429602B1 Compact bi-directional torque motor
12/27/1994US5377068 Electromagnet with holding control
12/22/1994WO1994028969A1 Focal inductor for use in electromagnetic field therapy
12/22/1994DE4319918A1 Method for driving an electromagnet
12/21/1994EP0629782A2 Control device for a multiple-way valve
12/21/1994EP0629711A1 Composite magnetic member, process for producing the member and electromagnetic valve using the member
12/21/1994CN1096610A Permanent-magnet push-pull electromagnet
12/20/1994US5374912 Contactor floating magnet
12/15/1994DE4319488A1 Force balancing of proportional or switching magnets
12/14/1994EP0614571A4 Multi-pole composite magnet used in a magnetic encoder.
12/13/1994US5372490 Scroll compressor oil pumping system
12/13/1994US5372228 Sound-damping armature assembly for an electromagnetic coupling
12/08/1994WO1994028559A1 Latching electromagnet
12/08/1994WO1994028430A1 An acoustic screen
12/08/1994DE4423700A1 Permanent-magnetic retention means
12/08/1994DE4409889A1 Rotary (moving) magnet, in particular control magnet
12/07/1994EP0401390B1 Electromagnetic valve actuator
12/07/1994CN2184968Y High efficiency energy saving electromagnetic coil
12/07/1994CN1096130A Special temp compensation method of rare-earth permanent-magnet material
12/06/1994US5370029 Electromagnetically operated valve
11/1994
11/30/1994EP0626109A1 Ferromagnetic wire electromagnetic actuator.
11/30/1994CN2184246Y A.C. simulated towing electromagnet
11/29/1994US5369632 Disc with prevention of static electric charge build-up
11/29/1994US5369322 Electromagnetic motor of the finite rotational type
11/29/1994US5368274 Low power electromagnetic valve
11/24/1994WO1994027355A1 Dc-dc converter circuit and inductive-load driving apparatus using the same
11/24/1994WO1994027303A1 Monophase, short travel, electromagnetic actuator having a good electric power/force ratio
11/24/1994DE4417090A1 Solenoid control circuit
11/23/1994EP0521860B1 Process for monitoring faults in inductive loads
11/23/1994CN1095495A Generic solenoid driver circuit board, circuit, and method of making same
11/22/1994US5367278 Magnet holding structure
11/22/1994US5367277 Electromagnetic energy converter
11/17/1994EP0624893A2 Magnet arrangements
11/16/1994CN2182798Y Machine for magnetic suction
11/16/1994CN1026638C Magnetic synchronous change-over electricity-saving coil
11/15/1994US5365211 Wound coil with integral cooling passages
11/15/1994US5365210 Latching solenoid with manual override
11/15/1994US5363786 Thread tensioning device having an electromagnet for applying a variable force opposing rotation of a tensioning element
11/09/1994EP0623939A1 Permanent magnet structure for producing a stable and homogenous magnetic induction in a given volume
11/09/1994EP0623193A1 Operating device
11/08/1994US5363270 Rapid response dual coil electromagnetic actuator with capacitor
11/08/1994US5363078 Homogeneous field magnet having pole shoes with pole piece means which are spaced over a correction air gap
11/08/1994US5362332 Process for producing a magnet base for printing head of a wire dot printer
11/08/1994US5362209 Proportional solenoid actuator and pump system including same
11/03/1994DE4314009A1 Circuit
11/02/1994EP0622536A2 Electronic fuel injector driver circuit
11/02/1994CN2181743Y Combined magnetic steel for permanent-magnet inductor
11/01/1994US5361182 Magnetic carriage latch for a disc drive
11/01/1994US5360674 Permanent magnet coated with Ni or Ni alloy having a specific cell structure and growth pattern
10/1994
10/31/1994CA2122217A1 Electronic fuel injector driver circuit
10/26/1994EP0621618A2 Magnetic release device for an electrical switching device
10/26/1994EP0349642B1 Displacement sensor
10/26/1994CN2181084Y AC and dc electric magnet operation controlling box
10/26/1994CN2181069Y U-shape electric magnet
10/25/1994US5359318 Hand-held electronic apparatus using two batteries sequentially supplying current to inductive element
10/25/1994US5359309 Multiple pole solenoid using simultaneously energized AC and DC coils
10/25/1994CA2020787C Proportional electropneumatic solenoid-controlled valve
10/20/1994DE4322825C1 Holding device for an object picking up measured values
10/19/1994CN2180000Y Electromagnet
10/18/1994US5356578 Boron nitride composite
10/18/1994CA2018239C Solenoid actuated valve assembly
10/13/1994WO1994023435A1 Bistable electromagnet, in particular magnetic valve
10/12/1994EP0619500A1 Improvements in or relating to MRI magnets
10/12/1994EP0619499A1 Improvements in or relating to MRI magnets
10/12/1994CN2179446Y Magnetic setting mechanism
10/11/1994US5355373 Electric motor, controller therefor and methods for controlling and assembling same
10/11/1994US5355108 For actuating an external load
10/11/1994US5354185 Dual piston compressor
10/11/1994US5353725 Front and rear embroidery frame mounting members
10/06/1994DE4310984A1 Electromagnetically operable hydraulic control valve
10/06/1994DE4310719A1 Method for the production of a magnetic circuit for a valve
10/05/1994EP0618678A2 Digital pulse width modulator circuit with proportional dither
10/05/1994EP0618457A1 Magnet apparatus for magnetic resonance imaging
10/05/1994EP0618365A1 Volumetric machine with magnetic driving system
10/05/1994EP0543826B1 Process and device for driving an electromagnetic consumer
10/05/1994CN2178937Y Magnetic-synchro changing electromagnetic device
10/04/1994US5352101 Electromagnetically actuated compressor valve
10/04/1994US5351934 Proportional solenoid valve
09/1994
09/29/1994DE4409503A1 Electromagnetic device
09/29/1994DE4309739A1 Electromagnetically actuable valve
09/29/1994DE4309695A1 Control device for a multi-way valve