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) |
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10/28/1980 | US4230976 Brushless, permanent magnet d-c motor with improved commutation control |
10/21/1980 | US4229682 Electronically commutating motor |
10/15/1980 | EP0016772A1 Variable reluctance electric motor systems |
10/14/1980 | US4228396 Electronic tachometer and combined brushless motor commutation and tachometer system |
10/14/1980 | US4228384 Brushless DC printed motor |
09/30/1980 | US4225811 Direct current motor with polyphase stator winding and electronic commutating device controlled by an angular position transmitter |
09/23/1980 | CA1086376A1 Brushless motor driving circuit |
09/18/1980 | WO1980001974A1 Electric drive with asynchronous motor |
09/18/1980 | WO1980001973A1 Electric drive with synchronous motor |
09/16/1980 | US4223261 Multi-phase synchronous machine system |
06/17/1980 | US4208621 Brushless DC motor control system |
06/10/1980 | US4207510 Control method and means for efficient operation of brushless d-c motors over a wide range of operating conditions |
05/28/1980 | EP0011217A1 Electronic blocking device for direct current motors |
04/08/1980 | US4197489 Spindle drive system |
02/05/1980 | US4187456 Incremental positioning system |
12/27/1979 | WO1979001134A1 Variable reluctance electric motor systems |
10/02/1979 | US4169990 Electronically commutated motor |
09/25/1979 | CA1063167A2 Control circuit for variable reluctance motor |
09/11/1979 | US4167693 Control arrangement for a brushless D-C motor |
09/11/1979 | US4167691 Control arrangement for a brushless motor |
08/14/1979 | US4164691 Multiphase brushless DC motor using two Hall-effect generators |
07/24/1979 | US4162435 Method and apparatus for electronically commutating a direct current motor without position sensors |
06/26/1979 | CA1057352A1 Brushless phase locked servo drive |
06/19/1979 | US4158795 Brushless DC motors |
06/05/1979 | CA1056009A1 Control circuit for variable reluctance motor |
05/22/1979 | US4156168 Electric motor |
01/23/1979 | US4136308 Stepping motor control |
01/16/1979 | US4135120 Drive circuit for a brushless motor |
01/02/1979 | US4132931 Control system for a.c. motors |
01/02/1979 | US4132930 Brushless D-C motor with several Y connected phase windings |
12/26/1978 | US4131828 Apparatus for rotatively driving a turn table |
12/12/1978 | CA1044322A1 Arrangement for detecting ground leaks in the rotor circuit of a brushless synchronous machine excited by rotating rectifiers |
11/28/1978 | US4127799 Apparatus for damping rotation of turntable |
11/14/1978 | US4125796 Control apparatus for use in a synchronous machine |
10/31/1978 | CA1041604A1 Electronic control for star-connected loads |
10/10/1978 | US4119895 Brushless d.c. motor with precise speed control |
09/12/1978 | US4114073 Brushless motor driving circuit |
08/29/1978 | US4110669 Synchronous machine control system |
06/27/1978 | US4097788 Control circuit for a self-starting electric motor |
06/20/1978 | US4096420 Control circuit for a brushless D.C. motor |
06/20/1978 | US4096419 Electric motors |
06/06/1978 | US4093897 Electric motor |
05/30/1978 | US4092572 Brushless D.C. motor driving system |
05/09/1978 | US4088932 Control system for commutatorless motor |
02/07/1978 | US4072884 Brushless phase locked servo drive |
01/24/1978 | US4070606 Driving circuit for brushless DC motor |
01/03/1978 | US4066935 Stator winding control circuit for a brushless d.c. motor |
11/29/1977 | US4060753 Control system for commutatorless motor |
09/27/1977 | US4051420 Hall motor control system |
09/27/1977 | US4051417 Control system for a brushless motor |
09/06/1977 | US4047084 Semiconductor motor controlled for energization by a single position sensing element |
09/06/1977 | US4047081 Commutating arrangement for an electric motor supplied from a DC voltage source |
08/09/1977 | US4041362 Motor control system |
08/02/1977 | US4039911 Dc motor controlled by hall generator |
07/12/1977 | US4035700 Electronic control apparatus |
07/12/1977 | US4035699 Brushless direct current machine and method of controlling the same |
06/14/1977 | US4030005 Brushless d.c. motor having rotor position-dependent control means |
06/07/1977 | US4028598 Direct-current motor comprising an electronic commutator |
05/31/1977 | US4027215 Rotary machine |
05/31/1977 | US4027213 Electronic switching arrangement for energizing electric motors |
05/31/1977 | US4027212 Three phase full wave DC motor decoder |
05/24/1977 | US4025835 Three-phase brushless DC motor |
05/10/1977 | US4023082 Speed control circuit for a DC motor having a Hall generator |
03/08/1977 | US4011487 Solid state commutator motor with internally powered armature |
02/15/1977 | US4008425 Motor servo system with multiplier means to drive and servo the motor |
01/25/1977 | US4005347 Electronically commutated motor and method of making same |
12/28/1976 | US4000464 Arrangement for detecting ground leaks in the rotor circuit of a brushless synchronous machine excited by rotating rectifiers |
12/21/1976 | US3999108 Speed regulation system for DC motors with hall generators |
12/14/1976 | US3997825 Method and apparatus for controlling synchronous motor |
12/14/1976 | US3997823 Brushless DC motor driving circuit |
10/26/1976 | US3988652 Stabilized brushless motor drive circuit |
10/12/1976 | US3986086 Control circuit for brushless D-C motor |
09/14/1976 | US3980933 Control circuit for variable reluctance motor |
09/07/1976 | US3979651 Direct current and synchronous motor system |
06/29/1976 | US3967174 Electronic commutation apparatus for a brushless D.C. motor |
05/25/1976 | US3959700 Speed control device for transistor motor |
04/06/1976 | US3949283 Control system for brushless motor |
03/23/1976 | US3946292 Brushless motor driving system |
03/02/1976 | US3942083 Brushless motor |
02/24/1976 | US3940670 Speed control apparatus for a D.C. motor having hall generators |
02/24/1976 | US3940669 AC motor control system |
02/10/1976 | US3938014 Brushless d-c motor |
01/13/1976 | US3932793 Speed control circuit for permanent magnet D-C motors |
01/06/1976 | US3931556 System for driving a direct-current motor in synchronism with an external signal |
01/06/1976 | US3931553 Electronic commutation system having motor stator windings in push-pull |