JPS6118409B2 - - Google Patents

Info

Publication number
JPS6118409B2
JPS6118409B2 JP56075725A JP7572581A JPS6118409B2 JP S6118409 B2 JPS6118409 B2 JP S6118409B2 JP 56075725 A JP56075725 A JP 56075725A JP 7572581 A JP7572581 A JP 7572581A JP S6118409 B2 JPS6118409 B2 JP S6118409B2
Authority
JP
Japan
Prior art keywords
frequency
interference
sound
cooling fan
noise
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.)
Expired
Application number
JP56075725A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5716547A (en
Inventor
Kazuma 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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP7572581A priority Critical patent/JPS5716547A/ja
Publication of JPS5716547A publication Critical patent/JPS5716547A/ja
Publication of JPS6118409B2 publication Critical patent/JPS6118409B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/14—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Motor Or Generator Cooling System (AREA)
JP7572581A 1981-05-21 1981-05-21 Silencing device for rotary electric machine Granted JPS5716547A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7572581A JPS5716547A (en) 1981-05-21 1981-05-21 Silencing device for rotary electric machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7572581A JPS5716547A (en) 1981-05-21 1981-05-21 Silencing device for rotary electric machine

Publications (2)

Publication Number Publication Date
JPS5716547A JPS5716547A (en) 1982-01-28
JPS6118409B2 true JPS6118409B2 (enExample) 1986-05-12

Family

ID=13584527

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7572581A Granted JPS5716547A (en) 1981-05-21 1981-05-21 Silencing device for rotary electric machine

Country Status (1)

Country Link
JP (1) JPS5716547A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60144757U (ja) * 1984-03-08 1985-09-26 三菱電機株式会社 回転電機
FR3062757B1 (fr) * 2017-02-03 2019-04-05 Alstom Transport Technologies Moteur auto-ventile silencieux, notamment pour un vehicule ferroviaire

Also Published As

Publication number Publication date
JPS5716547A (en) 1982-01-28

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