JP4620590B2 - 電磁アクチュエータ - Google Patents
電磁アクチュエータ Download PDFInfo
- Publication number
- JP4620590B2 JP4620590B2 JP2005513460A JP2005513460A JP4620590B2 JP 4620590 B2 JP4620590 B2 JP 4620590B2 JP 2005513460 A JP2005513460 A JP 2005513460A JP 2005513460 A JP2005513460 A JP 2005513460A JP 4620590 B2 JP4620590 B2 JP 4620590B2
- Authority
- JP
- Japan
- Prior art keywords
- stator
- rotor
- electromagnetic actuator
- coil
- magnetic pole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004804 winding Methods 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 18
- 230000004907 flux Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
- H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
- H02K37/12—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
- H02K37/14—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Shutters For Cameras (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Description
Claims (3)
- ロータと、該ロータの外周の一部に対向するように配置したコイルを巻回しているステータとを含んでいる電磁アクチュエータであって、
前記ステータはC字状であり、
前記ロータは、該ロータの回転軸が前記ステータによって囲まれる空間内に存するように配置され、
前記回転軸の中心を通りかつ前記ステータを左右に分離する仮想の基準線を設定したときに、前記回転軸の位置を中心として、前記ステータの両端部のそれぞれが前記基準線から両側へ15度以上かつ90度以内の範囲に形成され、
前記ステータは、前記両端部にそれぞれ形成される第1及び第2の磁極を有し、
前記第1及び第2の磁極は、それぞれ、前記ロータの外周に対向し前記ロータの外周に沿うように円弧状である対向面を有し、
前記コイルは、前記ロータを挟むように設けられた第1及び第2のコイルを含み、
前記第1及び第2のコイルは、前記ロータに直接対向し、
前記ロータは、周方向に4つの磁極を有し、
前記ステータは、前記第1及び第2の磁極の中間の位置に第3の磁極を有していることを特徴とする電磁アクチュエータ。 - 前記ステータは、前記コイルの位置ずれまたは巻きくずれを抑制する肩部を備えることを特徴とする請求項1に記載の電磁アクチュエータ。
- 前記ステータは、前記仮想の基準線に対し対称な形状であることを特徴とする請求項1又は2に記載の電磁アクチュエータ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003306821 | 2003-08-29 | ||
JP2003306821 | 2003-08-29 | ||
PCT/JP2004/012295 WO2005022729A1 (ja) | 2003-08-29 | 2004-08-26 | 電磁アクチュエータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2005022729A1 JPWO2005022729A1 (ja) | 2007-11-01 |
JP4620590B2 true JP4620590B2 (ja) | 2011-01-26 |
Family
ID=34269407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005513460A Expired - Fee Related JP4620590B2 (ja) | 2003-08-29 | 2004-08-26 | 電磁アクチュエータ |
Country Status (5)
Country | Link |
---|---|
US (1) | US7511391B2 (ja) |
JP (1) | JP4620590B2 (ja) |
KR (1) | KR100695256B1 (ja) |
CN (1) | CN100495873C (ja) |
WO (1) | WO2005022729A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008003135B4 (de) * | 2008-01-02 | 2018-01-25 | Wahl Gmbh | Antriebseinheit für eine Haarschneidemaschine |
WO2009147654A1 (en) * | 2008-06-02 | 2009-12-10 | Maradin Technologies Ltd. | Gimbaled scanning micro-mirror apparatus |
EP2191894A1 (de) | 2008-11-26 | 2010-06-02 | Qiagen GmbH | Faltenbalgreservoir für Mikrosysteme |
GB2495545B (en) * | 2011-10-14 | 2014-11-05 | Dyson Technology Ltd | Stator for an electrical machine |
JP6348706B2 (ja) * | 2013-12-06 | 2018-06-27 | セイコープレシジョン株式会社 | 撮像装置及びフォーカルプレーンシャッタ |
JP6414115B2 (ja) | 2016-03-25 | 2018-10-31 | カシオ計算機株式会社 | ステッピングモータ、モータ駆動装置及び時刻表示装置 |
JP6680054B2 (ja) * | 2016-04-06 | 2020-04-15 | 株式会社デンソー | 駆動装置、および、これを用いた電動パワーステアリング装置 |
US11448103B2 (en) * | 2018-06-28 | 2022-09-20 | Board Of Regents, The University Of Texas System | Electromagnetic soft actuators |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5342308A (en) * | 1976-09-29 | 1978-04-17 | Seikosha Kk | Motor |
JPS5615163A (en) * | 1979-07-06 | 1981-02-13 | Ebauches Sa | Electromagnetic motor rotating bidirectionally |
JP2003032991A (ja) * | 2001-07-23 | 2003-01-31 | Nidec Copal Corp | ステップモータ |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2054978B (en) * | 1979-07-06 | 1984-06-13 | Ebauches Sa | Electromagnetic motor rotatable in either direction |
US4691132A (en) * | 1985-05-24 | 1987-09-01 | U.S. Philips Corporation | Synchronous motor with two-pole permanent-magnet soft-magnetic-core rotor |
GB9200792D0 (en) * | 1992-01-15 | 1992-03-11 | Macon Management & Design Ltd | A motor |
FR2742940B1 (fr) * | 1995-12-22 | 1998-03-13 | Moving Magnet Tech | Moteur diphase, notamment un moteur d'horlogerie ou un moteur pour l'entrainement d'une aiguille d'un afficheur |
JP2002354777A (ja) * | 2001-03-23 | 2002-12-06 | Tdk Corp | ステッピングモータ |
-
2004
- 2004-08-26 JP JP2005513460A patent/JP4620590B2/ja not_active Expired - Fee Related
- 2004-08-26 CN CNB2004800241799A patent/CN100495873C/zh active Active
- 2004-08-26 KR KR1020067002940A patent/KR100695256B1/ko not_active IP Right Cessation
- 2004-08-26 WO PCT/JP2004/012295 patent/WO2005022729A1/ja active IP Right Grant
-
2006
- 2006-02-27 US US11/364,597 patent/US7511391B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5342308A (en) * | 1976-09-29 | 1978-04-17 | Seikosha Kk | Motor |
JPS5615163A (en) * | 1979-07-06 | 1981-02-13 | Ebauches Sa | Electromagnetic motor rotating bidirectionally |
JP2003032991A (ja) * | 2001-07-23 | 2003-01-31 | Nidec Copal Corp | ステップモータ |
Also Published As
Publication number | Publication date |
---|---|
KR100695256B1 (ko) | 2007-03-14 |
JPWO2005022729A1 (ja) | 2007-11-01 |
CN1839531A (zh) | 2006-09-27 |
WO2005022729A1 (ja) | 2005-03-10 |
US7511391B2 (en) | 2009-03-31 |
KR20060032218A (ko) | 2006-04-14 |
US20060145798A1 (en) | 2006-07-06 |
CN100495873C (zh) | 2009-06-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7385320B2 (en) | Step motor | |
US7511391B2 (en) | Electromagnetic actuator | |
JPH01318593A (ja) | 正逆回転可能なステッピングモータ及びその制御方法 | |
KR20060125524A (ko) | 구동장치 | |
JP2002084693A (ja) | ブラシレスdcモータ | |
US7211910B2 (en) | Step motor | |
WO2005022730A1 (ja) | 電磁アクチュエータ | |
JP2004072917A (ja) | ハイブリッド型ステッピングモータ及びその組立方法、並びに光学装置 | |
KR100745729B1 (ko) | 스텝모터 | |
JP2006262576A (ja) | 正逆回転用ステップモーター | |
JP3811268B2 (ja) | ムービングマグネット型モータ | |
JP2005027407A (ja) | ステップモータ | |
JP3153341B2 (ja) | ステップモータおよび該ステップモータを用いたカメラ | |
JP7086318B1 (ja) | 界磁子および電動機 | |
JP3675526B2 (ja) | パルスモータ | |
JP2006074960A (ja) | 簡潔構造のモータ、及び、その始動方法 | |
JP2000023445A (ja) | ステッピングモータ | |
JPH07227076A (ja) | 正逆回転ステッピングモータ | |
JP4589067B2 (ja) | 電磁アクチュエータ及びこれを用いた光量調整装置 | |
KR0127096Y1 (ko) | 스텝 모터 | |
JP2000224831A (ja) | アクチュエータ | |
JP2000152580A (ja) | アクチュエータ | |
JPH0865996A (ja) | ステップモータ | |
JPS58207856A (ja) | ステツピングモ−タ | |
JPH06105507A (ja) | 2相モータ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100105 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100203 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100226 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20100511 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100624 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20100812 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20101019 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20101028 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131105 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 4620590 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |