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GB2249441B - A DC motor having an element for protecting against overheating - Google Patents
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GB2249441B - A DC motor having an element for protecting against overheating - Google Patents

A DC motor having an element for protecting against overheating

Info

Publication number
GB2249441B
GB2249441B GB9121368A GB9121368A GB2249441B GB 2249441 B GB2249441 B GB 2249441B GB 9121368 A GB9121368 A GB 9121368A GB 9121368 A GB9121368 A GB 9121368A GB 2249441 B GB2249441 B GB 2249441B
Authority
GB
United Kingdom
Prior art keywords
motor
protecting against
against overheating
overheating
protecting
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 - Lifetime
Application number
GB9121368A
Other versions
GB9121368D0 (en
GB2249441A (en
Inventor
Hitoshi Yasufuku
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
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of GB9121368D0 publication Critical patent/GB9121368D0/en
Publication of GB2249441A publication Critical patent/GB2249441A/en
Application granted granted Critical
Publication of GB2249441B publication Critical patent/GB2249441B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Protection Of Generators And Motors (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
GB9121368A 1990-10-09 1991-10-09 A DC motor having an element for protecting against overheating Expired - Lifetime GB2249441B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2269401A JP2877481B2 (en) 1990-10-09 1990-10-09 Overload protection device for DC motor

Publications (3)

Publication Number Publication Date
GB9121368D0 GB9121368D0 (en) 1991-11-20
GB2249441A GB2249441A (en) 1992-05-06
GB2249441B true GB2249441B (en) 1994-08-10

Family

ID=17471901

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9121368A Expired - Lifetime GB2249441B (en) 1990-10-09 1991-10-09 A DC motor having an element for protecting against overheating

Country Status (3)

Country Link
JP (1) JP2877481B2 (en)
KR (1) KR920009026A (en)
GB (1) GB2249441B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1955424B1 (en) * 2005-12-01 2011-06-01 Arçelik Anonim Sirketi An electric motor
CN101282056B (en) 2007-04-04 2014-08-06 松下电器产业株式会社 Device for protecting temperature of brushless DC motor
WO2008122207A1 (en) * 2007-04-04 2008-10-16 Panasonic Corporation A temperature protection device for a brushless dc motor
FR2982911B1 (en) * 2011-11-18 2013-11-15 Valeo Equip Electr Moteur ELECTRICAL STARTER WITH ELECTRONIC INTEGRATED FILTER FOR INTERNAL COMBUSTION ENGINE
JP2021010253A (en) * 2019-07-02 2021-01-28 ファナック株式会社 Detection device and motor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB813745A (en) * 1955-09-16 1959-05-21 Goodmans Ind Ltd Improvements in or relating to vibration generating motors
GB1254545A (en) * 1968-03-20 1971-11-24 English Electric Co Ltd Improvements in and relating to temperature sensing arrangements

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646396A (en) 1970-07-22 1972-02-29 Bodine Electric Co Overload protection system for dc motors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB813745A (en) * 1955-09-16 1959-05-21 Goodmans Ind Ltd Improvements in or relating to vibration generating motors
GB1254545A (en) * 1968-03-20 1971-11-24 English Electric Co Ltd Improvements in and relating to temperature sensing arrangements

Also Published As

Publication number Publication date
GB9121368D0 (en) 1991-11-20
GB2249441A (en) 1992-05-06
JPH04150754A (en) 1992-05-25
KR920009026A (en) 1992-05-28
JP2877481B2 (en) 1999-03-31

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19980908

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20111008