JPS6481682A - Brushless dc motor - Google Patents

Brushless dc motor

Info

Publication number
JPS6481682A
JPS6481682A JP62235575A JP23557587A JPS6481682A JP S6481682 A JPS6481682 A JP S6481682A JP 62235575 A JP62235575 A JP 62235575A JP 23557587 A JP23557587 A JP 23557587A JP S6481682 A JPS6481682 A JP S6481682A
Authority
JP
Japan
Prior art keywords
hall
magnetic poles
magnetically sensitive
electrical angle
polar parts
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.)
Granted
Application number
JP62235575A
Other languages
Japanese (ja)
Other versions
JPH0728549B2 (en
Inventor
Yoshiaki Ogawa
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.)
Fujitsu General Ltd
Original Assignee
Fujitsu General 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 Fujitsu General Ltd filed Critical Fujitsu General Ltd
Priority to JP62235575A priority Critical patent/JPH0728549B2/en
Publication of JPS6481682A publication Critical patent/JPS6481682A/en
Publication of JPH0728549B2 publication Critical patent/JPH0728549B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

PURPOSE:To simplify the constitution of a driving circuit by providing at least one of plural magnetic poles of a rotor with non-polar parts and also providing auxiliary magnetically sensitive elements for outputting a detection signal for an overlapping continuity angle by a plurality of magnetic poles and non-polar parts. CONSTITUTION:In a stator core 11, there are arranged stator coils 4r-4t making a 120 deg. electrical angle to each other and Hall ICs H1-H3 as main magnetically sensitive elements are arranged at a 120 deg. electrical angle. Further, a Hall IC H4 as an auxiliary magnetically sensitive element is arranged at the position making a certain electrical angle from said Hall IC H1. In a rotor 10, poles of permanent magnets are magnetized around a laminated core and recesses 13a-13d as non-polar parts are formed in respective intermediate parts of magnetic poles opposed to the Hall IC H4. The output of said Hall ICs H1-H4 is supplied to a switching circuit via a gate circuit not shown in the drawing.
JP62235575A 1987-09-19 1987-09-19 Brushless DC motor Expired - Fee Related JPH0728549B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62235575A JPH0728549B2 (en) 1987-09-19 1987-09-19 Brushless DC motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62235575A JPH0728549B2 (en) 1987-09-19 1987-09-19 Brushless DC motor

Publications (2)

Publication Number Publication Date
JPS6481682A true JPS6481682A (en) 1989-03-27
JPH0728549B2 JPH0728549B2 (en) 1995-03-29

Family

ID=16988020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62235575A Expired - Fee Related JPH0728549B2 (en) 1987-09-19 1987-09-19 Brushless DC motor

Country Status (1)

Country Link
JP (1) JPH0728549B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011000472A (en) * 2010-10-04 2011-01-06 Kyoraku Sangyo Kk Illumination accessory for game machine
US20120068581A1 (en) * 2010-09-21 2012-03-22 Delta Electronics, Inc. Fan and motor thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012029161A1 (en) 2010-09-02 2012-03-08 ルネサスエレクトロニクス株式会社 Data processing device and data processing system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57206263A (en) * 1981-06-10 1982-12-17 Sony Corp Two phase switching type brushless motor
JPS62166794A (en) * 1986-01-20 1987-07-23 Sanyo Electric Co Ltd Drive control device for brushless motor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57206263A (en) * 1981-06-10 1982-12-17 Sony Corp Two phase switching type brushless motor
JPS62166794A (en) * 1986-01-20 1987-07-23 Sanyo Electric Co Ltd Drive control device for brushless motor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120068581A1 (en) * 2010-09-21 2012-03-22 Delta Electronics, Inc. Fan and motor thereof
US9369017B2 (en) * 2010-09-21 2016-06-14 Delta Electronics, Inc. Fan and motor thereof
JP2011000472A (en) * 2010-10-04 2011-01-06 Kyoraku Sangyo Kk Illumination accessory for game machine

Also Published As

Publication number Publication date
JPH0728549B2 (en) 1995-03-29

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees