Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02P - Control or regulation of electric motors, generators, or dynamo-electric converters; Controlling transformers or reactors or choke coils › H02P 6 - Arrangements for controlling synchronous motors or other dynamo-electric motors with electronic commutators in dependence on the rotor position; Electronic commutators therefor
Patents for H02P 6 - Arrangements for controlling synchronous motors or other dynamo-electric motors with electronic commutators in dependence on the rotor position; Electronic commutators therefor (19,185)
05/1983
05/17/1983US4384242 Speed control systems of synchronous motors
05/11/1983EP0078394A1 Four-quadrants final control element for controlling a collectorless direct current machine
05/10/1983US4383205 Motor drive amplifier
05/04/1983EP0077968A1 Commutation means for an electric motor fed from a direct current power supply
04/1983
04/12/1983US4379984 Brushless DC motor driven by complementary type transistors
03/1983
03/17/1983WO1983000962A1 Electric power converter circuit
03/16/1983EP0074239A1 Electric power converter circuit
03/16/1983EP0073839A1 Control device for synchronous motor
03/15/1983US4376914 Motor control device
03/09/1983EP0073503A1 Control system for synchronous brushless motors
03/08/1983US4376262 Method and apparatus for controlling a digital controlled brushless motor
03/08/1983US4376261 Two-pulse brushless d.c. motor
03/03/1983WO1983000781A1 Brushless three phase direct current motor control circuit
02/1983
02/23/1983EP0072597A2 Self-starting brushless D.C. motor
02/16/1983EP0071941A1 Apparatus for driving a polyphase brushless motor with a suppressed torque ripple
02/15/1983US4374347 Brushless d-c motor system
02/01/1983US4371818 Spindle motor control system
01/1983
01/26/1983EP0070693A1 A control system for a synchronous motor employed as a servomotor
01/11/1983US4368411 Control system for electric motor
01/05/1983EP0069044A1 Electric current converter motor of the synchronous type
01/05/1983EP0068803A1 A method of and apparatus for, generating a unique index mark from the commutation signal of a d.c. brushless motor
01/05/1983EP0068756A1 Brushless DC motors
12/1982
12/28/1982US4366428 Asynchronous motor drive
12/21/1982US4365187 Brushless D.C. motor
12/08/1982EP0066159A1 Incremental motion motor control system
12/01/1982EP0065614A1 Fast reaction servo drive
11/1982
11/30/1982US4361856 Video tape recorder
11/30/1982CA1136698A1 Commutatorless direct current motor drive system
11/30/1982CA1136697A1 Commutatorless direct current motor drive system
11/16/1982US4359674 Control system for a DC motor
11/16/1982CA1135788A1 Electronically commutating motor
11/09/1982US4358720 DC Motor driving circuit
10/1982
10/27/1982EP0063497A1 Linear motor control system for brushless DC motor
10/26/1982US4356437 Control circuit for DC motors
10/12/1982US4354145 Electronically commutating motor
10/06/1982EP0061824A1 A digital speed control device for a motor
10/05/1982US4353016 Linear motor control system for brushless DC motor
09/1982
09/30/1982WO1982003301A1 Control system for synchronous motor and device therefor
09/07/1982US4348621 Control circuit for a multi-phase load
09/07/1982US4348619 Variable reluctance electric motor systems
08/1982
08/10/1982US4344025 Motor control system
08/10/1982US4344023 Drive system for a brushless DC motor
07/1982
07/27/1982US4341984 Electronic commutation for direct current electric motors
07/06/1982US4338551 Two-phase brushless motor driving circuit
06/1982
06/29/1982US4337424 Speed control for a rotary machine
06/15/1982CA1125845A1 Multi-phase synchronous machine system
05/1982
05/11/1982US4329636 Rotation sensor device
04/1982
04/21/1982EP0049947A1 Motor control system
04/14/1982EP0049649A1 A.C. motor powering arrangement with means for limiting the power delivered to an A.C. motor
04/13/1982US4325095 Means for limiting power dissipated in an A.C. motor
02/1982
02/23/1982US4317072 Electric motor with rotational speed regulation
02/17/1982EP0045951A2 Process for operating an inverter with an intermediate DC link circuit supplying an electric synchronous motor
01/1982
01/26/1982CA1117182A1 Starting circuit for a brushless d.c. motor
01/06/1982EP0043138A1 Electronic commutating device for direct current machines with several winding strands
01/05/1982US4309647 Commutatorless motor device
01/05/1982US4309643 Driving method of motor fed by electric valve feeding apparatus and the same apparatus
01/05/1982CA1115770A1 System for controlling alternating current motors
12/1981
12/15/1981CA1114446A1 Control arrangement for a brushless motor
11/1981
11/25/1981EP0040484A2 Brushless D.C. motors
10/1981
10/28/1981EP0038694A1 Electronically commutated motors for laundering machines
10/20/1981US4296362 Motor having electronically switched stator field current and integral torque control
10/13/1981US4295084 Control apparatus of synchronous motor having thyristor converter
09/1981
09/29/1981US4292575 Control signal transmitter for the commutating device of an electronically commutated d-c motor
09/29/1981US4292573 Reversible direct current motor with a permanent magnet rotor and electronic commutating device
09/16/1981EP0035496A1 Improvements in to a constant speed electrical motor
08/1981
08/18/1981CA1107394A1 Magnetic recording and reproducing device
08/11/1981US4283665 Method and apparatus for eliminating ripple component from motor control loop
08/11/1981US4283664 Control signal generator for the commutating device of a brushless electronics motor
08/04/1981US4282464 Reversible drive circuit for brushless DC motor
07/1981
07/14/1981US4278921 Constant speed electric motor
07/07/1981US4277735 Control apparatus for induction motor
07/01/1981EP0031026A2 Brushless DC motor
06/1981
06/30/1981US4276504 Control device for commutatorless motor
06/25/1981WO1981001777A1 Direct current motor without collector
06/23/1981US4275339 Bifilar brushless DC motor
06/09/1981US4272715 System for controlling torque of induction motors
06/02/1981US4271385 Control system for commutatorless motor
05/1981
05/26/1981US4270076 Circuit for a brushless D.C. motor
05/26/1981US4270075 Motor energized by a DC voltage
05/26/1981US4270074 Brushless DC motor control utilizing a ROM
05/12/1981US4267498 Drive equipment with two-phase synchronous motor
04/1981
04/28/1981US4264853 Commutatorless motor device
04/14/1981US4262241 Control system for commutatorless motor driven through frequency converter
04/14/1981US4262237 Commutatorless direct current motor drive system
04/14/1981US4262236 Commutatorless direct current motor drive system
04/07/1981US4260920 Multi-pole permanent magnet rotor
03/1981
03/19/1981WO1981000796A1 Improvements in to a constant speed electronic motor
02/1981
02/17/1981US4251758 Control circuit for a self-starting electric motor
02/10/1981US4250544 Combination microprocessor and discrete element control system for a clock rate controlled electronically commutated motor
02/10/1981US4250435 Clock rate control of electronically commutated motor rotational velocity
02/03/1981US4249116 Controller for computer control of brushless DC motors
01/1981
01/20/1981US4246528 System for controlling alternating current motors
01/20/1981US4246518 Brushless direct current motor
01/20/1981CA1094151A1 Control circuit for a brushless d.c. motor
01/07/1981EP0022003A1 Electrical machine with controlled characteristics and its use in a wind driven device
01/06/1981CA1093208A1 Apparatus for damping rotation of turntable
12/1980
12/16/1980US4240020 Control system for suppressing torque ripple in synchronous motor
12/16/1980US4240014 Precision motor speed control system
12/09/1980US4238717 Optimum efficiency rotary machine having synchronous operation at a selectable speed
11/1980
11/11/1980US4233548 Variable speed electronic motor
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