HK1023858A1 - Dc motor actuator to create radial force - Google Patents
Dc motor actuator to create radial forceInfo
- Publication number
- HK1023858A1 HK1023858A1 HK00102978A HK00102978A HK1023858A1 HK 1023858 A1 HK1023858 A1 HK 1023858A1 HK 00102978 A HK00102978 A HK 00102978A HK 00102978 A HK00102978 A HK 00102978A HK 1023858 A1 HK1023858 A1 HK 1023858A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- radial force
- motor actuator
- spindle
- create radial
- magnets
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/09—Structural association with bearings with magnetic bearings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/0444—Details of devices to control the actuation of the electromagnets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/0474—Active magnetic bearings for rotary movement
- F16C32/0493—Active magnetic bearings for rotary movement integrated in an electrodynamic machine, e.g. self-bearing motor
- F16C32/0497—Active magnetic bearings for rotary movement integrated in an electrodynamic machine, e.g. self-bearing motor generating torque and radial force
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2370/00—Apparatus relating to physics, e.g. instruments
- F16C2370/12—Hard disk drives or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
-
- 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)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Windings For Motors And Generators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1997/004197 WO1998042063A1 (en) | 1997-03-19 | 1997-03-19 | Dc motor actuator to create radial force |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1023858A1 true HK1023858A1 (en) | 2000-09-22 |
Family
ID=22260545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK00102978A HK1023858A1 (en) | 1997-03-19 | 2000-05-18 | Dc motor actuator to create radial force |
Country Status (6)
Country | Link |
---|---|
JP (1) | JP4034358B2 (ko) |
KR (1) | KR100393858B1 (ko) |
DE (1) | DE19782264T1 (ko) |
GB (1) | GB2337647B (ko) |
HK (1) | HK1023858A1 (ko) |
WO (1) | WO1998042063A1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6304359B1 (en) * | 1999-07-20 | 2001-10-16 | Lasesys Corporation | High scan efficiency galvanometric laser scanning device |
DE10034662A1 (de) | 2000-07-16 | 2002-01-24 | Wolfgang Amrhein | Aufwandsamer elektrischer Antrieb zur Erzeugung von Tragkräften und Drehmomenten |
DE102006042539C5 (de) * | 2006-09-11 | 2016-10-20 | Gottfried Wilhelm Leibniz Universität Hannover | Arbeitsspindel und Verfahren zum Betreiben einer Arbeitsspindel |
JP4715934B2 (ja) | 2009-02-20 | 2011-07-06 | 株式会社デンソー | 5相モータ |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5949785B2 (ja) * | 1977-12-05 | 1984-12-05 | 株式会社セコ−技研 | 電機子巻線が二重に重畳する直流電動機 |
US4774428A (en) * | 1987-05-15 | 1988-09-27 | Synektron Corporation | Compact three-phase permanent magnet rotary machine having low vibration and high performance |
US5164622A (en) * | 1990-06-14 | 1992-11-17 | Applied Motion Products, Inc. | High pole density three phase motor |
KR940001176B1 (ko) * | 1990-07-19 | 1994-02-16 | 가부시끼가이샤 도시바 | 3상 전기자 권선 |
US5459383A (en) * | 1991-02-07 | 1995-10-17 | Quantum Corporation | Robust active damping control system |
US5396388A (en) * | 1992-02-27 | 1995-03-07 | Censtor Corp. | Compact, high-speed, rotary actuator and transducer assembly with reduced moment of inertia and mass-balanced structural overlap with drive motor and organizing method for the same |
US5376851A (en) * | 1992-05-18 | 1994-12-27 | Electric Power Research Institute, Inc. | Variable reluctance motor with full and short pitch windings |
EP0709947B1 (en) * | 1994-10-28 | 1998-07-08 | Hewlett-Packard Company | Balancing of radial reluctance forces in a DC motor |
-
1997
- 1997-03-19 WO PCT/US1997/004197 patent/WO1998042063A1/en active IP Right Grant
- 1997-03-19 DE DE19782264T patent/DE19782264T1/de not_active Withdrawn
- 1997-03-19 GB GB9921852A patent/GB2337647B/en not_active Expired - Fee Related
- 1997-03-19 JP JP54045998A patent/JP4034358B2/ja not_active Expired - Fee Related
- 1997-03-19 KR KR10-1999-7008496A patent/KR100393858B1/ko not_active IP Right Cessation
-
2000
- 2000-05-18 HK HK00102978A patent/HK1023858A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO1998042063A1 (en) | 1998-09-24 |
GB2337647A (en) | 1999-11-24 |
GB9921852D0 (en) | 1999-11-17 |
KR20000076393A (ko) | 2000-12-26 |
KR100393858B1 (ko) | 2003-08-06 |
JP2002511228A (ja) | 2002-04-09 |
JP4034358B2 (ja) | 2008-01-16 |
DE19782264T1 (de) | 2000-05-11 |
GB2337647B (en) | 2001-04-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20050319 |