ITTO910149A0 - Perfezionamenti nei motori brushless trifasi con controllo ad una semionda - Google Patents
Perfezionamenti nei motori brushless trifasi con controllo ad una semiondaInfo
- Publication number
- ITTO910149A0 ITTO910149A0 IT91TO149A ITTO910149A ITTO910149A0 IT TO910149 A0 ITTO910149 A0 IT TO910149A0 IT 91TO149 A IT91TO149 A IT 91TO149A IT TO910149 A ITTO910149 A IT TO910149A IT TO910149 A0 ITTO910149 A0 IT TO910149A0
- Authority
- IT
- Italy
- Prior art keywords
- wave control
- phase brushless
- brushless motors
- motors
- phase
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Brushless Motors (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO910149A IT1245432B (it) | 1991-03-04 | 1991-03-04 | Perfezionamenti nei motori brushless trifasi con controllo ad una semionda |
US07/841,804 US5233250A (en) | 1991-03-04 | 1992-02-26 | Three-phase brushless motors with half-wave control |
EP92830098A EP0502831A1 (en) | 1991-03-04 | 1992-03-03 | Improvements to three-phase brushless motors with half-wave control |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO910149A IT1245432B (it) | 1991-03-04 | 1991-03-04 | Perfezionamenti nei motori brushless trifasi con controllo ad una semionda |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO910149A0 true ITTO910149A0 (it) | 1991-03-04 |
ITTO910149A1 ITTO910149A1 (it) | 1992-09-04 |
IT1245432B IT1245432B (it) | 1994-09-20 |
Family
ID=11409012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITTO910149A IT1245432B (it) | 1991-03-04 | 1991-03-04 | Perfezionamenti nei motori brushless trifasi con controllo ad una semionda |
Country Status (3)
Country | Link |
---|---|
US (1) | US5233250A (it) |
EP (1) | EP0502831A1 (it) |
IT (1) | IT1245432B (it) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1261598B (it) * | 1993-09-30 | 1996-05-23 | Gate Spa | Motore elettrico a magneti permanenti con coppia di riluttanza ridotta |
US5682072A (en) * | 1994-01-20 | 1997-10-28 | Nsk Ltd. | Three-phase brushless motor |
JPH08308154A (ja) * | 1995-04-28 | 1996-11-22 | Toyota Motor Corp | 電動機 |
JP3333359B2 (ja) * | 1995-09-22 | 2002-10-15 | 三菱電機株式会社 | 永久磁石式モータ |
US5955806A (en) * | 1995-12-01 | 1999-09-21 | Raytheon Company | Torque motor with combined shield ring and rotor ring |
US6133662A (en) * | 1996-09-13 | 2000-10-17 | Hitachi, Ltd. | Permanent magnet dynamoelectric rotating machine and electric vehicle equipped with the same |
TW404620U (en) * | 1996-11-25 | 2000-09-01 | Ind Tech Res Inst | Brush-less motor stator |
TW382160B (en) * | 1997-04-02 | 2000-02-11 | Ind Tech Res Inst | Brush-less motor stator and arc modification method thereof |
JP3746372B2 (ja) * | 1998-04-16 | 2006-02-15 | 株式会社日立製作所 | 永久磁石式回転電機及びそれを用いた電動車両 |
US6710505B1 (en) * | 1998-06-11 | 2004-03-23 | Aspen Motion Technologies, Inc. | Direct drive inside-out brushless roller motor |
US6452302B1 (en) * | 1998-09-28 | 2002-09-17 | Hitachi, Ltd. | Rotary electric machine and electric vehicle using the same |
US6380658B1 (en) | 1999-07-15 | 2002-04-30 | Delphi Technologies Inc. | Method and apparatus for torque ripple reduction in sinusoidally excited brushless permanent magnet motors |
DE10041329A1 (de) * | 2000-08-23 | 2002-03-14 | Siemens Ag | Permanentmagneterregter Läufer für einen permanentmagneterregten elektrischen Antrieb, insbesondere für AC-Hauptantriebe |
DE10133654A1 (de) * | 2001-07-11 | 2003-02-06 | Siemens Ag | Synchronmaschine |
WO2003026105A1 (en) * | 2001-09-14 | 2003-03-27 | Delphi Technologies, Inc. | Method and apparatus for torque ripple reduction in sinusoidally excited brushless permanent magnet motors |
TWI337439B (en) * | 2006-12-21 | 2011-02-11 | Delta Electronics Inc | Permanent magnet rotary structure of electrical machinery and method for determining the structure thereof |
TW200926559A (en) * | 2007-12-04 | 2009-06-16 | Ind Tech Res Inst | A rotating electric machine with a permanent magnet type pole core structure to monimizing cogging torque |
JP5547924B2 (ja) * | 2008-09-16 | 2014-07-16 | アスモ株式会社 | ブラシレスモータ |
EP2400634B1 (en) * | 2010-06-25 | 2013-10-02 | Siemens Aktiengesellschaft | Generator, in particular for a wind turbine |
CA3063139A1 (en) | 2011-08-11 | 2013-02-14 | Mol Belting Systems, Inc. | Cleaning-in-place system and seal monitoring |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1276797B (de) * | 1965-07-15 | 1968-09-05 | Licentia Gmbh | Buerstenloser Gleichstrommotor mit Dauermagnetlaeufer |
DE1563418A1 (de) * | 1966-09-30 | 1970-05-21 | Siemens Ag | Kollektorloser Gleichstrommotor |
US4311933A (en) * | 1979-08-27 | 1982-01-19 | North American Philips Corporation | Brushless direct current motor |
US4358693A (en) * | 1981-06-15 | 1982-11-09 | Charles L. Palmer | Permanent magnet motor |
US4882511A (en) * | 1984-06-01 | 1989-11-21 | Papst-Motoren Gmbh & Co. Kg | Brushless three-phase D.C. motor |
US4549121A (en) * | 1984-08-29 | 1985-10-22 | Eaton Corporation | Motor minimum speed start-up circuit for electric motors |
US4874975A (en) * | 1984-11-13 | 1989-10-17 | Digital Equipment Corporation | Brushless DC motor |
US4626752A (en) * | 1985-03-04 | 1986-12-02 | Fujisaki Kyonori | Electric motor having Hall generators and control circuit |
EP0307706B1 (de) * | 1987-09-11 | 1992-06-03 | Siemens Aktiengesellschaft | Magnetanordnung |
US4845411A (en) * | 1987-09-30 | 1989-07-04 | Rotron, Incorporated | Brushless DC motor and encoding technique |
SE459833B (sv) * | 1987-12-09 | 1989-08-07 | Astra Tech Ab | Roterande elektrisk maskin |
JPH0755037B2 (ja) * | 1988-05-13 | 1995-06-07 | 株式会社日立製作所 | 永久磁石式同期電動機 |
US5059875A (en) * | 1989-12-11 | 1991-10-22 | Salme William A De | Motor and controller |
-
1991
- 1991-03-04 IT ITTO910149A patent/IT1245432B/it active IP Right Grant
-
1992
- 1992-02-26 US US07/841,804 patent/US5233250A/en not_active Expired - Fee Related
- 1992-03-03 EP EP92830098A patent/EP0502831A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
IT1245432B (it) | 1994-09-20 |
ITTO910149A1 (it) | 1992-09-04 |
US5233250A (en) | 1993-08-03 |
EP0502831A1 (en) | 1992-09-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19990331 |