JPS52122803A - Brush holder - Google Patents

Brush holder

Info

Publication number
JPS52122803A
JPS52122803A JP3918176A JP3918176A JPS52122803A JP S52122803 A JPS52122803 A JP S52122803A JP 3918176 A JP3918176 A JP 3918176A JP 3918176 A JP3918176 A JP 3918176A JP S52122803 A JPS52122803 A JP S52122803A
Authority
JP
Japan
Prior art keywords
brush holder
commutator
brush
cooling
well
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
JP3918176A
Other languages
Japanese (ja)
Inventor
Jiro Kato
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3918176A priority Critical patent/JPS52122803A/en
Publication of JPS52122803A publication Critical patent/JPS52122803A/en
Pending legal-status Critical Current

Links

Landscapes

  • Motor Or Generator Cooling System (AREA)
  • Motor Or Generator Current Collectors (AREA)

Abstract

PURPOSE: To control the temperature rise of the surface of a commutator by cooling a brush and a brush holder as well as the surface of the commutator.
COPYRIGHT: (C)1977,JPO&Japio
JP3918176A 1976-04-09 1976-04-09 Brush holder Pending JPS52122803A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3918176A JPS52122803A (en) 1976-04-09 1976-04-09 Brush holder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3918176A JPS52122803A (en) 1976-04-09 1976-04-09 Brush holder

Publications (1)

Publication Number Publication Date
JPS52122803A true JPS52122803A (en) 1977-10-15

Family

ID=12545933

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3918176A Pending JPS52122803A (en) 1976-04-09 1976-04-09 Brush holder

Country Status (1)

Country Link
JP (1) JPS52122803A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6229242B1 (en) * 1997-05-30 2001-05-08 Valeo Systemes D'essuvage Case for electric motor brushes comprising cooling fins
DE102016000156A1 (en) 2015-01-21 2016-07-21 Makita Corporation Electric power tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6229242B1 (en) * 1997-05-30 2001-05-08 Valeo Systemes D'essuvage Case for electric motor brushes comprising cooling fins
DE102016000156A1 (en) 2015-01-21 2016-07-21 Makita Corporation Electric power tool
US10270316B2 (en) 2015-01-21 2019-04-23 Makita Corporation Electric power tool

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