JPS5566264A - Swing-motor - Google Patents

Swing-motor

Info

Publication number
JPS5566264A
JPS5566264A JP13764978A JP13764978A JPS5566264A JP S5566264 A JPS5566264 A JP S5566264A JP 13764978 A JP13764978 A JP 13764978A JP 13764978 A JP13764978 A JP 13764978A JP S5566264 A JPS5566264 A JP S5566264A
Authority
JP
Japan
Prior art keywords
magnets
magnetic
ferrite magnets
core
void
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.)
Pending
Application number
JP13764978A
Other languages
Japanese (ja)
Inventor
Hiroyuki Kainuma
Kaoru Ichikawa
Yoshiaki Fujisawa
Tadayoshi Kimura
Susumu Ichige
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.)
Sawafuji Electric Co Ltd
Original Assignee
Sawafuji Electric Co Ltd
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.)
Filing date
Publication date
Application filed by Sawafuji Electric Co Ltd filed Critical Sawafuji Electric Co Ltd
Priority to JP13764978A priority Critical patent/JPS5566264A/en
Publication of JPS5566264A publication Critical patent/JPS5566264A/en
Pending legal-status Critical Current

Links

Landscapes

  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

PURPOSE: To reduce cost while forming an outer diameter in the same dimensions as conventional devices, by arranging a plurality of ferrite magnets to a magnetic circuit surrounded by means of an internal core, an external core and a magnetic void so that each magnetic flux be generated in the same direction.
CONSTITUTION: This device is made up in such a manner that ferrite magnets 10, 10', 11, 11' are used as permanent magnets while a plurality of the ferrite magnets 10, 10', 11, 11' are disposed to a magnetic circuit enclosed by means of an internal core 3, an external core 4 and a magnetic void 5, and magnetic flux generated by each of a plurality of the ferrite magnets is severally built up in the same direction in the magnetic void 5 through the internal core 3 and the external core 4. Thus, since the permanent magnets are formed in the ferrite magnets, cost can be reduced, and the device can be manufactured in the same outer diameter dimensions as the conventional products that use alnico magnets.
COPYRIGHT: (C)1980,JPO&Japio
JP13764978A 1978-11-08 1978-11-08 Swing-motor Pending JPS5566264A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13764978A JPS5566264A (en) 1978-11-08 1978-11-08 Swing-motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13764978A JPS5566264A (en) 1978-11-08 1978-11-08 Swing-motor

Publications (1)

Publication Number Publication Date
JPS5566264A true JPS5566264A (en) 1980-05-19

Family

ID=15203568

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13764978A Pending JPS5566264A (en) 1978-11-08 1978-11-08 Swing-motor

Country Status (1)

Country Link
JP (1) JPS5566264A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994010741A1 (en) * 1992-11-03 1994-05-11 British Technology Group Limited Magnet arrangement, and drive device and cooling apparatus incorporating same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994010741A1 (en) * 1992-11-03 1994-05-11 British Technology Group Limited Magnet arrangement, and drive device and cooling apparatus incorporating same
US5701040A (en) * 1992-11-03 1997-12-23 British Technology Group Limited Magnet arrangement, and drive device and cooling apparatus incorporating same

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