JPS6323737B2 - - Google Patents

Info

Publication number
JPS6323737B2
JPS6323737B2 JP55061712A JP6171280A JPS6323737B2 JP S6323737 B2 JPS6323737 B2 JP S6323737B2 JP 55061712 A JP55061712 A JP 55061712A JP 6171280 A JP6171280 A JP 6171280A JP S6323737 B2 JPS6323737 B2 JP S6323737B2
Authority
JP
Japan
Prior art keywords
motor
voltage
circuit
temperature
transistor
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
JP55061712A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56159987A (en
Inventor
Michio Hisatake
Kazuji Yamamoto
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.)
Janome Corp
Original Assignee
Janome Sewing Machine 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 Janome Sewing Machine Co Ltd filed Critical Janome Sewing Machine Co Ltd
Priority to JP6171280A priority Critical patent/JPS56159987A/ja
Publication of JPS56159987A publication Critical patent/JPS56159987A/ja
Publication of JPS6323737B2 publication Critical patent/JPS6323737B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H02H7/0852—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load directly responsive to abnormal temperature by using a temperature sensor

Landscapes

  • Control Of Ac Motors In General (AREA)
  • Control Of Direct Current Motors (AREA)
  • Protection Of Generators And Motors (AREA)
  • Control Of Electric Motors In General (AREA)
JP6171280A 1980-05-12 1980-05-12 Protecting device of motor from overheat Granted JPS56159987A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6171280A JPS56159987A (en) 1980-05-12 1980-05-12 Protecting device of motor from overheat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6171280A JPS56159987A (en) 1980-05-12 1980-05-12 Protecting device of motor from overheat

Publications (2)

Publication Number Publication Date
JPS56159987A JPS56159987A (en) 1981-12-09
JPS6323737B2 true JPS6323737B2 (en]) 1988-05-18

Family

ID=13179107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6171280A Granted JPS56159987A (en) 1980-05-12 1980-05-12 Protecting device of motor from overheat

Country Status (1)

Country Link
JP (1) JPS56159987A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6096250A (ja) * 1983-11-01 1985-05-29 スズキ株式会社 電動車椅子の安全装置
JPS60156897U (ja) * 1984-03-26 1985-10-18 株式会社明電舎 マニプレ−タ用サ−ボモ−タ駆動装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50161656A (en]) * 1974-06-18 1975-12-27

Also Published As

Publication number Publication date
JPS56159987A (en) 1981-12-09

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