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JPS6477453A - Miniature 2-phase semiconductor motor - Google Patents

Miniature 2-phase semiconductor motor

Info

Publication number
JPS6477453A
JPS6477453A JP22975487A JP22975487A JPS6477453A JP S6477453 A JPS6477453 A JP S6477453A JP 22975487 A JP22975487 A JP 22975487A JP 22975487 A JP22975487 A JP 22975487A JP S6477453 A JPS6477453 A JP S6477453A
Authority
JP
Japan
Prior art keywords
magnet rotor
armature coils
motor
height
miniature
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
JP22975487A
Other languages
Japanese (ja)
Inventor
Itsuki Ban
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.)
Secoh Giken Co Ltd
Original Assignee
Secoh Giken 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 Secoh Giken Co Ltd filed Critical Secoh Giken Co Ltd
Priority to JP22975487A priority Critical patent/JPS6477453A/en
Publication of JPS6477453A publication Critical patent/JPS6477453A/en
Pending legal-status Critical Current

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  • Brushless Motors (AREA)

Abstract

PURPOSE:To reduce the height and miniaturize the title motor, by removing armature coils at the upper and lower parts of a magnet rotor. CONSTITUTION:N, S magnetic poles 1a, 1b,... are magnetized with the width of 60 deg. along the inner peripheral surface of a column type magnet rotor 1. Armature coils 4a, 4b are fixed to the inner surface of an outer casing (including yokes 25a, 25b) 25. The armature coils 4a, 4b are at both sides of the magnet rotor 1 separated from each other by the electric angle of (90+180n) degree (n=3). Accordingly, the height of a motor is made equal to the diameter B of the magnet rotor 1 and is reduced. Hall elements 17a, 17b are separated from each other by (90+180n) degree (n=4) and are opposed to the magnetic poles 1a, 1b. The armature coils 4a, 4b are yokes 25a, 25b are positioned substantially symmetrically, therefore, attracting forces due to the magnet rotor 1 are offset and eliminated. Accordingly, the generation of vibration is restrained.
JP22975487A 1987-09-16 1987-09-16 Miniature 2-phase semiconductor motor Pending JPS6477453A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22975487A JPS6477453A (en) 1987-09-16 1987-09-16 Miniature 2-phase semiconductor motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22975487A JPS6477453A (en) 1987-09-16 1987-09-16 Miniature 2-phase semiconductor motor

Publications (1)

Publication Number Publication Date
JPS6477453A true JPS6477453A (en) 1989-03-23

Family

ID=16897158

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22975487A Pending JPS6477453A (en) 1987-09-16 1987-09-16 Miniature 2-phase semiconductor motor

Country Status (1)

Country Link
JP (1) JPS6477453A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007166753A (en) * 2005-12-13 2007-06-28 Keihin Corp Motor and modular ic

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS547108A (en) * 1977-06-18 1979-01-19 Sony Corp Dc motor
JPS5989563A (en) * 1982-11-15 1984-05-23 Secoh Giken Inc Small-sized semiconductor motor
JPS6013460A (en) * 1983-06-29 1985-01-23 Matsushita Electric Works Ltd Brushless motor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS547108A (en) * 1977-06-18 1979-01-19 Sony Corp Dc motor
JPS5989563A (en) * 1982-11-15 1984-05-23 Secoh Giken Inc Small-sized semiconductor motor
JPS6013460A (en) * 1983-06-29 1985-01-23 Matsushita Electric Works Ltd Brushless motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007166753A (en) * 2005-12-13 2007-06-28 Keihin Corp Motor and modular ic

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