EP0303703A4 - Rotor structure of motor having permanent magnet. - Google Patents

Rotor structure of motor having permanent magnet.

Info

Publication number: EP0303703A4
Authority: EP; European Patent Office
Prior art keywords: motor; permanent magnet; rotor structure; rotor; permanent
Prior art date: 1987-02-16
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP19880901645

Other languages

German (de)

French (fr)

Other versions

EP0303703A1 (en

Inventor

Masatoyo Sogabe

Kazushi Kumagai

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Fanuc Corp

Original Assignee

Fanuc Corp

Priority date (The priority date 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 date listed.)

1987-02-16

Filing date

1988-02-16

Publication date

1989-06-21

1988-02-16 Application filed by Fanuc Corp filed Critical Fanuc Corp

1989-02-22 Publication of EP0303703A1 publication Critical patent/EP0303703A1/en

1989-06-21 Publication of EP0303703A4 publication Critical patent/EP0303703A4/en

Status Withdrawn legal-status Critical Current

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
- B65H7/12—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to double feed or separation
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/30—Feeding material to presses

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Permanent Field Magnets Of Synchronous Machinery (AREA)
Iron Core Of Rotating Electric Machines (AREA)
Controlling Sheets Or Webs (AREA)

EP19880901645 1987-02-16 1988-02-16 Rotor structure of motor having permanent magnet. Withdrawn EP0303703A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP62031560A JPS63202247A (en)	1987-02-16	1987-02-16	Motor rotor structure using permanent magnets
JP31560/87		1987-02-16

Publications (2)

Publication Number	Publication Date
EP0303703A1 EP0303703A1 (en)	1989-02-22
EP0303703A4 true EP0303703A4 (en)	1989-06-21

Family

ID=12334558

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19880901645 Withdrawn EP0303703A4 (en)	1987-02-16	1988-02-16	Rotor structure of motor having permanent magnet.

Country Status (4)

Country	Link
EP (1)	EP0303703A4 (en)
JP (1)	JPS63202247A (en)
KR (1)	KR930007668B1 (en)
WO (1)	WO1988006374A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IN186007B (en) *	1991-12-10	2001-06-02	British Tech Group
JP2006014389A (en) *	2004-06-22	2006-01-12	Daikin Ind Ltd	Rotor, motor, compressor, fan, and air conditioner
CN107482804B (en) *	2017-07-31	2019-05-31	江苏大学	A kind of novel surface-mount type permanent magnet synchronous motor reducing cogging torque

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1060028B (en) *	1955-11-24	1959-06-25	Ernst Massar Dr Ing	Permanent magnet excited electrical machine
FR2538182A1 (en) *	1983-12-08	1984-06-22	Kollmorgen Tech Corp	DC servo motor of the type with permanent magnet collector.
EP0193611A1 (en) *	1984-08-29	1986-09-10	Fanuc Ltd.	Permanent magnet field system synchronous motor
EP0212552A2 (en) *	1985-08-14	1987-03-04	Kollmorgen Technologies Corporation	Method for producing a composite sleeve for an electric motor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1004274A (en) *	1974-04-04	1977-01-25	Canadian General Electric Company Limited	Permanent magnet hermetic synchronous motor
JPS5951223B2 (en) *	1977-03-15	1984-12-12	電気音響株式会社	rotor
JPS5759462A (en) *	1980-09-24	1982-04-09	Meidensha Electric Mfg Co Ltd	Assembling method for rotary electric machine
JPS6165868U (en) *	1984-10-05	1986-05-06

1987
- 1987-02-16 JP JP62031560A patent/JPS63202247A/en active Pending
- 1987-03-11 KR KR1019870701021A patent/KR930007668B1/en not_active IP Right Cessation
1988
- 1988-02-16 EP EP19880901645 patent/EP0303703A4/en not_active Withdrawn
- 1988-02-16 WO PCT/JP1988/000150 patent/WO1988006374A1/en not_active Application Discontinuation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1060028B (en) *	1955-11-24	1959-06-25	Ernst Massar Dr Ing	Permanent magnet excited electrical machine
FR2538182A1 (en) *	1983-12-08	1984-06-22	Kollmorgen Tech Corp	DC servo motor of the type with permanent magnet collector.
EP0193611A1 (en) *	1984-08-29	1986-09-10	Fanuc Ltd.	Permanent magnet field system synchronous motor
EP0212552A2 (en) *	1985-08-14	1987-03-04	Kollmorgen Technologies Corporation	Method for producing a composite sleeve for an electric motor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO8806374A1 *

Also Published As

Publication number	Publication date
EP0303703A1 (en)	1989-02-22
JPS63202247A (en)	1988-08-22
WO1988006374A1 (en)	1988-08-25
KR880701178A (en)	1988-07-26
KR930007668B1 (en)	1993-08-18

Legal Events

Date	Code	Title	Description
1989-01-07	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1989-02-22	17P	Request for examination filed	Effective date: 19881014
1989-02-22	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): DE FR GB
1989-08-09	A4	Supplementary search report drawn up and despatched	Effective date: 19890621
1989-12-13	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
1990-01-10	18W	Application withdrawn	Withdrawal date: 19891106
1990-01-31	R18W	Application withdrawn (corrected)	Effective date: 19891106

Publication	Publication Date	Title
NZ221822A (en)	1990-02-26	Permanent magnet motor
GB2217924B (en)	1992-10-07	Permanent magnet rotor
EP0204289A3 (en)	1987-09-23	Permanent magnet rotor
GB8414953D0 (en)	1984-07-18	Brushless permanent magnet dc motor
EP0215129A4 (en)	1987-07-09	Permanent magnet field rotor assembly.
EP0341630A3 (en)	1990-07-04	Permanent magnet type synchronous motor
DE3472511D1 (en)	1988-08-04	Permanent magnet field rotor
GB2149976B (en)	1986-11-19	Permanent magnet rotor
EP0237848A3 (en)	1988-08-31	Radial pole linear reluctance motor
GB8307188D0 (en)	1983-04-20	Permanent magnet rotor
GB2210733B (en)	1991-05-29	Two-piece motor stator
GB8511534D0 (en)	1985-06-12	Rotor with permanent magnets
EP0473534A3 (en)	1993-06-09	Permanent magnet rotor and motor
EP0341317A4 (en)	1990-02-06	Structure of rotor for high speed induction motor.
EP0188231A3 (en)	1987-02-25	Permanent magnet type dc motor having improved magnet fixture structure
GB8321883D0 (en)	1983-09-14	Permanent magnet dc motor
DE3374636D1 (en)	1987-12-23	Permanent magnet type motor
AU550417B2 (en)	1986-03-20	Permanent magnet synchronous motor
AU1415488A (en)	1988-10-06	Multiphase permanent magnet of the fe-b-mm type
EP0245749A3 (en)	1988-10-19	Permanent magnet excited d.c. motor
GB8822196D0 (en)	1988-10-26	Permanent magnet field electric motor
EP0303703A4 (en)	1989-06-21	Rotor structure of motor having permanent magnet.
EP0333871A4 (en)	1990-01-08	Rotor structure of synchronous motor.
HUT52653A (en)	1990-07-28	Direct-current motor of permanent magnet without commutator
KR880015450U (en)	1988-09-15	Permanent magnet rotor