HK132494A - Varistor for an electric motor - Google Patents

Varistor for an electric motor

Info

Publication number
HK132494A
HK132494A HK132494A HK132494A HK132494A HK 132494 A HK132494 A HK 132494A HK 132494 A HK132494 A HK 132494A HK 132494 A HK132494 A HK 132494A HK 132494 A HK132494 A HK 132494A
Authority
HK
Hong Kong
Prior art keywords
varistor
electric motor
motor
electric
Prior art date
Application number
HK132494A
Other languages
English (en)
Inventor
Patrick Shui-Chung Wang
Original Assignee
Johnson Electric Sa
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 Johnson Electric Sa filed Critical Johnson Electric Sa
Publication of HK132494A publication Critical patent/HK132494A/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/02—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
    • H02K11/028—Suppressors associated with the rotor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc Machiner (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Motor Or Generator Current Collectors (AREA)
  • Thermistors And Varistors (AREA)
HK132494A 1988-11-14 1994-11-24 Varistor for an electric motor HK132494A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8826611A GB2229571B (en) 1988-11-14 1988-11-14 Varistor for an electric motor

Publications (1)

Publication Number Publication Date
HK132494A true HK132494A (en) 1994-12-02

Family

ID=10646831

Family Applications (1)

Application Number Title Priority Date Filing Date
HK132494A HK132494A (en) 1988-11-14 1994-11-24 Varistor for an electric motor

Country Status (5)

Country Link
US (1) US5095239A (ja)
EP (1) EP0369746A3 (ja)
JP (1) JPH02266853A (ja)
GB (1) GB2229571B (ja)
HK (1) HK132494A (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5905319A (en) * 1992-01-31 1999-05-18 Mclendon; Martin R. Self inductance bypass motor
US5473212A (en) * 1993-10-13 1995-12-05 Buehler Products, Inc. Varistor disk assembly
GB9409375D0 (en) * 1994-05-11 1994-06-29 Johnson Electric Sa Noise suppressed commutator
GB9614485D0 (en) * 1996-07-10 1996-09-04 Johnson Electric Sa A miniature motor
FR2766301B1 (fr) * 1997-07-17 1999-09-10 Valeo Climatisation Moteur electrique, notamment pour vehicule automobile, a radiateur de refroidissement perfectionne
JP3347984B2 (ja) * 1997-08-12 2002-11-20 株式会社三協精機製作所 小型モータ
US6362555B1 (en) * 1997-08-12 2002-03-26 Kabushiki Kaisha Sankyo Seiki Seisakusho Small motor with improved connecting structure between coil, riser and varistor
US6891706B2 (en) * 2002-07-11 2005-05-10 Siemens Westinghouse Power Corporation Protected exciter for an electrical power generator and associated methods
GB0218198D0 (en) * 2002-08-06 2002-09-11 Johnson Electric Sa Fan
US20070128822A1 (en) * 2005-10-19 2007-06-07 Littlefuse, Inc. Varistor and production method
US20100189882A1 (en) * 2006-09-19 2010-07-29 Littelfuse Ireland Development Company Limited Manufacture of varistors with a passivation layer
WO2008102524A1 (ja) * 2007-02-19 2008-08-28 Panasonic Corporation モールド整流子、及びそれを組込んだ整流子モータ
US8199450B2 (en) * 2009-05-05 2012-06-12 Samsung Electronics Co., Ltd. ESD protection utilizing radiated thermal relief
US9819241B2 (en) * 2010-06-14 2017-11-14 Black & Decker Inc. Stator assembly for a brushless motor in a power tool
EP4162594A4 (en) 2020-06-05 2024-07-03 Milwaukee Electric Tool Corp BRUSHLESS MOTOR FOR POWER TOOL

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB629941A (en) * 1944-09-12 1949-09-30 Electrolux Ab Improvements in speed regulating device for electric motors
US2470096A (en) * 1945-12-12 1949-05-17 Myron Y Eck Commutator
US3487248A (en) * 1966-02-17 1969-12-30 Victor Company Of Japan Balanced dc motor rotor with spark reducing commutating arrangement
US3488538A (en) * 1967-08-29 1970-01-06 Shigeru Hayashi Spark suppressing arrangement for commutators
US3810253A (en) * 1971-08-24 1974-05-07 J Vergara Motor speed control
US3745505A (en) * 1971-10-21 1973-07-10 J Harnden Semiconductor device-metal oxide varistorheat sink assembly
JPS585426Y2 (ja) * 1976-04-21 1983-01-29 マブチモ−タ−株式会社 マイクロモ−タの火花消去装置
JPS5336613A (en) * 1976-09-17 1978-04-05 Matsushita Electric Ind Co Ltd Noise eliminator for use in electric motor
JPS53147904A (en) * 1977-05-31 1978-12-23 Matsushita Electric Works Ltd Spark absorbing device for minimotor
JPS607904B2 (ja) * 1979-01-23 1985-02-27 ティーディーケイ株式会社 電圧非直線性抵抗素子
JPS55106069A (en) * 1979-02-08 1980-08-14 Tdk Corp Noise prevention circuit for micromotor
JPS60121954A (ja) * 1983-11-30 1985-06-29 Matsushita Electric Works Ltd モ−タのバリスタ取付け構造
DE3518310A1 (de) * 1985-05-22 1986-11-27 Aluminium-Walzwerke Singen Gmbh, 7700 Singen Kuehlkoerper fuer halbleiterbauelemente und verfahren zu seiner herstellung
JPS6284365U (ja) * 1985-11-15 1987-05-29
JPH0448139Y2 (ja) * 1986-04-15 1992-11-12
JPH0642775B2 (ja) * 1987-02-27 1994-06-01 マブチモ−タ−株式会社 小型モ−タの回転子
GB2202686B (en) * 1987-03-23 1991-08-14 Johnson Electric Ind Mfg An armature for an electric motor

Also Published As

Publication number Publication date
GB2229571A (en) 1990-09-26
US5095239A (en) 1992-03-10
GB8826611D0 (en) 1988-12-21
EP0369746A3 (en) 1990-12-05
EP0369746A2 (en) 1990-05-23
JPH02266853A (ja) 1990-10-31
GB2229571B (en) 1992-12-23

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)