JPH0340875U - - Google Patents

Info

Publication number
JPH0340875U
JPH0340875U JP9963089U JP9963089U JPH0340875U JP H0340875 U JPH0340875 U JP H0340875U JP 9963089 U JP9963089 U JP 9963089U JP 9963089 U JP9963089 U JP 9963089U JP H0340875 U JPH0340875 U JP H0340875U
Authority
JP
Japan
Prior art keywords
hole
type motor
flat type
view
diagram showing
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
JP9963089U
Other languages
Japanese (ja)
Other versions
JPH087824Y2 (en
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 filed Critical
Priority to JP1989099630U priority Critical patent/JPH087824Y2/en
Publication of JPH0340875U publication Critical patent/JPH0340875U/ja
Application granted granted Critical
Publication of JPH087824Y2 publication Critical patent/JPH087824Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案に係る偏平型モータの断面図
、第２図はステータコイルの平面図、第３図はイ
ンタラプタが貫通設置された状態の拡大断面図、
第４図はこの考案に係る偏平型モータのロータが
一回転した状態のコツギングトルクを示す波形図
、第５図は磁力線方向を示す説明図、第６図はバ
ツクヨークの穴と磁力との関係を示す説明図、第
７図は空穴のないステータコイルの平面図、第８
図はそのコツギングトルク発生状態を示す波形図
、第９図は実施第１例における穴とコツギングト
ルクの関係を示す曲線図、第１０図および第１１
図はｋ＝１，ｋ＝２のときのベクトル図、第１２
図は従来の偏平型モータの斜視図、第１３図はそ
の断面図である。 Ｍ……偏平型モータ、２……ロータ、３……回
転検出手段、９……反射板、１０……インタラプ
タ、１２……バツクヨーク、１２ａ……有用穴、
１２ｂ，１２ｃ……空穴。 FIG. 1 is a sectional view of a flat type motor according to this invention, FIG. 2 is a plan view of the stator coil, and FIG. 3 is an enlarged sectional view of the interrupter installed through it.
Fig. 4 is a waveform diagram showing the jerking torque when the rotor of the flat type motor according to this invention rotates once, Fig. 5 is an explanatory diagram showing the direction of the lines of magnetic force, and Fig. 6 is the relationship between the holes in the back yoke and the magnetic force. FIG. 7 is a plan view of a stator coil without holes, and FIG.
The figure is a waveform diagram showing the generation state of the jerking torque, Figure 9 is a curve diagram showing the relationship between the hole and the jerking torque in the first implementation example, and Figures 10 and 11 are
The figure is a vector diagram when k=1, k=2, the 12th
The figure is a perspective view of a conventional flat type motor, and FIG. 13 is a sectional view thereof. M...Flat type motor, 2...Rotor, 3...Rotation detection means, 9...Reflector, 10...Interrupter, 12...Back yoke, 12a...Useful hole,
12b, 12c...Empty holes.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転するシヤフトと平行な磁場を持つ偏平型モ
ータにおいて、回転検出手段等を組み込む有用穴
と同心円周上に空穴を穿設したことを特徴とする
偏平型モータ。 A flat type motor having a magnetic field parallel to a rotating shaft, characterized in that a hole is bored on the circumference concentric with a useful hole in which a rotation detecting means is installed.
JP1989099630U 1989-08-25 1989-08-25 Flat type motor Expired - Fee Related JPH087824Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989099630U JPH087824Y2 (en) 1989-08-25 1989-08-25 Flat type motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989099630U JPH087824Y2 (en) 1989-08-25 1989-08-25 Flat type motor

Publications (2)

Publication Number Publication Date
JPH0340875U true JPH0340875U (en) 1991-04-19
JPH087824Y2 JPH087824Y2 (en) 1996-03-04

Family

ID=31648672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989099630U Expired - Fee Related JPH087824Y2 (en) 1989-08-25 1989-08-25 Flat type motor

Country Status (1)

Country Link
JP (1) JPH087824Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009019573A (en) * 2007-07-12 2009-01-29 Adda Corp Electric fan with thin structure
JP2010093872A (en) * 2008-10-03 2010-04-22 Nidec Servo Corp Brushless dc motor
JP2012058550A (en) * 2010-09-09 2012-03-22 Nidec Sankyo Corp Optical unit with shake correcting function

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021132895A1 (en) 2021-12-14 2023-06-15 Schaeffler Technologies AG & Co. KG Electrical axial flux machine and method for manufacturing an axial flux machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58107056A (en) * 1981-12-18 1983-06-25 Alps Electric Co Ltd Manufacture of brushless dc motor
JPH01101171U (en) * 1987-12-25 1989-07-07

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58107056A (en) * 1981-12-18 1983-06-25 Alps Electric Co Ltd Manufacture of brushless dc motor
JPH01101171U (en) * 1987-12-25 1989-07-07

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009019573A (en) * 2007-07-12 2009-01-29 Adda Corp Electric fan with thin structure
JP4572219B2 (en) * 2007-07-12 2010-11-04 協禧電機股▼分▲有限公司 Thin structure fan
JP2010093872A (en) * 2008-10-03 2010-04-22 Nidec Servo Corp Brushless dc motor
JP2012058550A (en) * 2010-09-09 2012-03-22 Nidec Sankyo Corp Optical unit with shake correcting function

Also Published As

Publication number Publication date
JPH087824Y2 (en) 1996-03-04

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Legal Events

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