JPS648838A - Core for rotor - Google Patents

Core for rotor

Info

Publication number
JPS648838A
JPS648838A JP16281687A JP16281687A JPS648838A JP S648838 A JPS648838 A JP S648838A JP 16281687 A JP16281687 A JP 16281687A JP 16281687 A JP16281687 A JP 16281687A JP S648838 A JPS648838 A JP S648838A
Authority
JP
Japan
Prior art keywords
slots
divided
widths
level
reduced
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
JP16281687A
Other languages
Japanese (ja)
Inventor
Hiroshi Miyake
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.)
Panasonic Ecology Systems Co Ltd
Original Assignee
Matsushita Seiko 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 Matsushita Seiko Co Ltd filed Critical Matsushita Seiko Co Ltd
Priority to JP16281687A priority Critical patent/JPS648838A/en
Publication of JPS648838A publication Critical patent/JPS648838A/en
Pending legal-status Critical Current

Links

Landscapes

  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

PURPOSE:To lower the level of electromagnetic sound, by dividing slots, and by setting the divided slots to be the combined ones of the widths of tooth sections increased or reduced in order. CONSTITUTION:The slots of 2N units (N is an integer.) are divided into 2K (K is a positive integer, and N>K). In case of a figure, the number 2N of the slots 1 is set to be 24, and the number 2K of the divided ones is set to be 4, and so the number of the slots 1 per division is turned into 6. Tooth sections 3 between the slots 1 are arranged so that the widths 3 may be reduced clockwise in the manner of 3a 3b 3c 3d 3e 3f. As a result, the level of electromagnetic sound generated from a motor driven by the power source of a distorted waveform can be lowered.
JP16281687A 1987-06-30 1987-06-30 Core for rotor Pending JPS648838A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16281687A JPS648838A (en) 1987-06-30 1987-06-30 Core for rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16281687A JPS648838A (en) 1987-06-30 1987-06-30 Core for rotor

Publications (1)

Publication Number Publication Date
JPS648838A true JPS648838A (en) 1989-01-12

Family

ID=15761772

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16281687A Pending JPS648838A (en) 1987-06-30 1987-06-30 Core for rotor

Country Status (1)

Country Link
JP (1) JPS648838A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04195197A (en) * 1990-11-28 1992-07-15 Casio Comput Co Ltd Electronic musical instrument containing pedal effect adding device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04195197A (en) * 1990-11-28 1992-07-15 Casio Comput Co Ltd Electronic musical instrument containing pedal effect adding device

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