Patents for H01F 7 - Magnets (20,067)
04/1997
04/24/1997WO1997015061A1 Electromagnetic operating device
04/23/1997CN1148192A Cylindrical body mfg. method and apparatus, cylindrical body, developing sleeve, photosensitive drum, and developing apparatus
04/17/1997WO1997014160A1 Electromagnetic linear actuator having movable plates and a fluid flow controller with valves controlled by said actuator
04/16/1997EP0768683A1 Supply circuit for an excitation coil of an electromagnet
04/16/1997EP0768682A1 Device and method for identifying a number of inductive loads in parallel
04/16/1997EP0767966A1 Rotary electromagnetic actuator
04/15/1997US5621603 Pulse width modulated solenoid driver controller
04/15/1997US5621369 Flexible magnet
04/15/1997US5621324 Magnetic field generator for MRI
04/15/1997US5621293 Variable-reluctance servocontrolled linear motor
04/15/1997US5620019 Operating device
04/11/1997CA2185280A1 Device and method for identifying a number of inductive loads in parallel
04/09/1997EP0746714A4 Low power electromagnetic valve
04/09/1997EP0650568A4 Pivotal diaphragm, flow control valve.
04/09/1997CN2251781Y Electromagnet
04/09/1997CN2251780Y Half-hard magnet electromagnet and control circuit thereof
04/09/1997CN2251779Y AC electromagnet noiseless safety reinforcing device
04/09/1997CN2251778Y Universal strength magnetic tea block
04/08/1997US5618163 Volumetric pump shift bottoming detector
04/03/1997WO1997011749A1 Magnet arrangement for therapeutic use
04/02/1997EP0766271A1 Magnetic attraction driving engine using permanent magnet
04/02/1997EP0766095A1 Folded transverse gradient coil for magnetic resonance imaging systems
04/02/1997EP0766094A1 Magnet arrangement for a diagnostic magnetic resonance device
04/02/1997EP0765438A1 Process and device for controlling an electromagnetic consumer
04/02/1997CN1146610A Magnetic force clutch
04/02/1997CN1146609A Single pole magnet
04/02/1997CN1034434C Solenoid operated valve for thermally insulated pipings
04/01/1997US5617067 Electromagnetic actuator having a low aspect ratio stator
03/1997
03/27/1997WO1997011471A1 Apparatus for increasing magnetic flux density of permanent magnet
03/26/1997EP0764890A1 Developing unit
03/26/1997EP0764784A1 Control device for a multiple-way valve
03/26/1997EP0764473A2 Improved electric gun driver
03/26/1997EP0764238A1 Method and device for controlling an electromagnetic consumer
03/26/1997EP0713604B1 Monophase, short travel, electromagnetic actuator having a good electric power/force ratio
03/26/1997CN2250572Y Constant force starting electromagnet control power sourse
03/26/1997CA2186420A1 Electric gun driver
03/25/1997US5615183 Magnetic head used in magnetooptical recording
03/19/1997EP0763274A1 Method for operating an adjusting apparatus and means for adjusting a positional device
03/19/1997CN2249954Y High performance magnet positioner
03/18/1997US5611120 Magnetic latch
03/13/1997WO1997009727A1 Solenoid and solenoid valve
03/13/1997DE19533452A1 Method of adapting control for an electromagnetic actuator for IC engine gas-exchange valve
03/12/1997EP0762444A2 Stack of laminations for magnetic cores in inductive components with a longitudinal opening
03/12/1997EP0762442A1 Proportional solenoid
03/11/1997US5610568 Curved or straight magnetic bar made up of separate magnets
03/06/1997WO1997008717A1 Magnetic actuators
03/06/1997WO1997008664A1 Apparatus for obtaining certain characteristics of an article
03/06/1997WO1997008446A1 Electrical connection between closure cap and internal actuator of an electrically actuated valve
03/06/1997DE19532763A1 Electronic valve control device for motor vehicle anti-lock braking system
03/06/1997CA2229901A1 Apparatus for obtaining certain characteristics of an article
03/05/1997EP0760550A1 Thermo-sensitive actuator and idle speed controller employing the same
03/05/1997EP0760045A1 Method of replacing an awning cloth
03/05/1997EP0714521A4 Method and apparatus for compensation of field distortion in a magnetic structure using spatial filter
03/05/1997CN2248912Y Shell-like tracting electromagnet
03/04/1997US5608502 Method for treating magnet roll by blasting with nonmagnetic spherical particles
03/04/1997US5608369 Magnetic gap construction
03/04/1997US5608368 Comprising a fixed core formed by pressing mixture of ferrous material and epoxy binder
03/04/1997US5607292 Electromagnetic disk pump
03/04/1997US5606992 Pulse width modulated solenoid
02/1997
02/27/1997WO1997007516A1 Coil support
02/27/1997DE19531513A1 Electric load lifting magnet e.g. for lifting rolled steel coils in iron and steel industry
02/27/1997DE19531435A1 Electromagnetic actuator control matching to changes fue to operation
02/27/1997DE19530798A1 Controlling electromagnetic actuator with electromagnet(s) and armature
02/26/1997EP0759625A1 Magnetic actuators
02/26/1997EP0758912A1 Regulator valve
02/25/1997US5605318 Electric expansion valve
02/25/1997US5604960 Magnetic garment closure system and method for producing same
02/20/1997DE19530394A1 Function monitoring method for electromagnetically-operated gas-exchange valve in IC engine
02/20/1997DE19530121A1 Reduction of impact velocity method for armature impacting on to electromagnetic actuator
02/18/1997US5603354 Volumetric pump/valve
02/13/1997WO1997005637A1 Pulse width modulated solenoid driver controller
02/13/1997WO1997005000A1 Electromagnetic actuating device
02/13/1997DE19529725A1 Spulenträger Coil carrier
02/13/1997CA2200699A1 Pulse width modulated solenoid driver controller
02/11/1997US5602711 Apparatus for monitoring inductance
02/06/1997WO1997003912A1 System for manoeuvring a magnetic load, in particular a ferromagnetic load
02/06/1997WO1997003911A1 Electrical permanent-magnet system for manoeuvring a magnetic, particularly a ferromagnetic, load
02/05/1997EP0757256A2 Open architecture magnetic resonance imaging superconducting magnet assembly
02/05/1997EP0757200A2 Double safety magnetic valve
02/05/1997CN2246842Y Composite low-power proportional electromagnet
02/04/1997US5600237 Method and apparatus for determining the position of an armature in an electromagnetic actuator by measuring the driving voltage frequency
02/04/1997US5600189 Electromagnetic actuator having a cylindrical translation coil and a toroidal rotation coil, actuator unit comprising the actuator and a measurement system, and machine comprising the actuator or the actuator unit
02/04/1997US5599003 Bistable solenoid valve
01/1997
01/30/1997WO1997003220A1 Permanent magnet array apparatus and method
01/30/1997DE19527493A1 Elektromagnetische Betätigungseinrichtung Electromagnetic actuator
01/29/1997EP0756296A2 Pole piece for electromagnetic friction clutch
01/29/1997EP0756292A2 Magnetic gap construction
01/29/1997EP0756272A2 Magnetic medium having permanent magnetic feature
01/29/1997CN1141393A Refricerant compressor with rotation detecting means
01/26/1997CA2181768A1 Magnetic gap construction
01/23/1997WO1997002582A1 Electromagnetic actuator arrangement for engine control valve
01/23/1997WO1997002581A1 Bobbin-mounted solenold coil and method of making
01/23/1997WO1997002425A1 Fuel injection apparatus
01/23/1997DE19526683A1 Detecting striking of armature on electromagnetically actuated positioning device e.g. for gas exchange valves in IC engine
01/23/1997DE19526681A1 Accurate timed control of armature movement of electromagnetic positioning device e.g. for IC engine gas exchange valve control
01/23/1997CA2221121A1 Fuel injection apparatus
01/21/1997US5596304 Permanent magnet edge-field quadrupole
01/15/1997EP0752941A1 Electro-hydraulic pressure regulating device, especially for a controlled-slip vehicle brake system
01/15/1997EP0664047B1 Bistable magnetic valve
01/15/1997CN1140417A Magnetic filtration device