DE2948281C2 - Elektrische Schaltung und Schaltungsschutzeinrichtung - Google Patents

Elektrische Schaltung und Schaltungsschutzeinrichtung

Info

Publication number
DE2948281C2
DE2948281C2 DE2948281A DE2948281A DE2948281C2 DE 2948281 C2 DE2948281 C2 DE 2948281C2 DE 2948281 A DE2948281 A DE 2948281A DE 2948281 A DE2948281 A DE 2948281A DE 2948281 C2 DE2948281 C2 DE 2948281C2
Authority
DE
Germany
Prior art keywords
temperature
ptc
circuit
resistance
operating state
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
DE2948281A
Other languages
German (de)
English (en)
Other versions
DE2948281A1 (de
Inventor
Lee Mark Middlemann
Joseph Hill Evans
Donald Frank Pettinghill
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.)
Raychem Corp
Original Assignee
Raychem 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25509836&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE2948281(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Raychem Corp filed Critical Raychem Corp
Publication of DE2948281A1 publication Critical patent/DE2948281A1/de
Application granted granted Critical
Publication of DE2948281C2 publication Critical patent/DE2948281C2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/06—Arrangements for heating or lighting in, or attached to, receptacles for live fish
    • A01K63/065—Heating or cooling devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
    • H01C7/027—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient consisting of conducting or semi-conducting material dispersed in a non-conductive organic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Electromagnetism (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Thermistors And Varistors (AREA)
  • Control Of Temperature (AREA)
  • Control Of Resistance Heating (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Resistance Heating (AREA)
DE2948281A 1978-12-01 1979-11-30 Elektrische Schaltung und Schaltungsschutzeinrichtung Expired - Lifetime DE2948281C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/965,344 US4238812A (en) 1978-12-01 1978-12-01 Circuit protection devices comprising PTC elements

Publications (2)

Publication Number Publication Date
DE2948281A1 DE2948281A1 (de) 1980-06-19
DE2948281C2 true DE2948281C2 (de) 1994-02-24

Family

ID=25509836

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2948281A Expired - Lifetime DE2948281C2 (de) 1978-12-01 1979-11-30 Elektrische Schaltung und Schaltungsschutzeinrichtung

Country Status (11)

Country Link
US (1) US4238812A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (3) JPS5582313A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1143802A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2948281C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2443124A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2038550B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
HK (1) HK83389A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL58838A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1126465B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7908691A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE445691B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (110)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4315237A (en) * 1978-12-01 1982-02-09 Raychem Corporation PTC Devices comprising oxygen barrier layers
US4238812A (en) * 1978-12-01 1980-12-09 Raychem Corporation Circuit protection devices comprising PTC elements
US4255698A (en) * 1979-01-26 1981-03-10 Raychem Corporation Protection of batteries
US4445026A (en) * 1979-05-21 1984-04-24 Raychem Corporation Electrical devices comprising PTC conductive polymer elements
US4450496A (en) * 1979-08-16 1984-05-22 Raychem Corporation Protection of certain electrical systems by use of PTC device
US4317027A (en) * 1980-04-21 1982-02-23 Raychem Corporation Circuit protection devices
US4475138A (en) * 1980-04-21 1984-10-02 Raychem Corporation Circuit protection devices comprising PTC element
US4413301A (en) 1980-04-21 1983-11-01 Raychem Corporation Circuit protection devices comprising PTC element
US4330704A (en) * 1980-08-08 1982-05-18 Raychem Corporation Electrical devices comprising conductive polymers
US4310837A (en) * 1980-10-14 1982-01-12 General Electric Company Electrical device termination high temperature indicator
US5140297A (en) * 1981-04-02 1992-08-18 Raychem Corporation PTC conductive polymer compositions
US5227946A (en) * 1981-04-02 1993-07-13 Raychem Corporation Electrical device comprising a PTC conductive polymer
US4955267A (en) * 1981-04-02 1990-09-11 Raychem Corporation Method of making a PTC conductive polymer electrical device
US5195013A (en) * 1981-04-02 1993-03-16 Raychem Corporation PTC conductive polymer compositions
US4951384A (en) * 1981-04-02 1990-08-28 Raychem Corporation Method of making a PTC conductive polymer electrical device
US4951382A (en) * 1981-04-02 1990-08-28 Raychem Corporation Method of making a PTC conductive polymer electrical device
US4845838A (en) * 1981-04-02 1989-07-11 Raychem Corporation Method of making a PTC conductive polymer electrical device
US4549161A (en) * 1982-02-17 1985-10-22 Raychem Corporation PTC Circuit protection device
US4542365A (en) * 1982-02-17 1985-09-17 Raychem Corporation PTC Circuit protection device
US4550301A (en) * 1982-02-17 1985-10-29 Raychem Corporation PTC Circuit protection device
US4481498A (en) * 1982-02-17 1984-11-06 Raychem Corporation PTC Circuit protection device
JPS59175294U (ja) * 1983-05-12 1984-11-22 株式会社フジクラ 面状発熱体
JPS6071095U (ja) * 1983-10-20 1985-05-20 株式会社フジクラ 面状発熱体
JPS6071096U (ja) * 1983-10-20 1985-05-20 株式会社フジクラ 面状発熱体
US4884163A (en) * 1985-03-14 1989-11-28 Raychem Corporation Conductive polymer devices
US4647894A (en) * 1985-03-14 1987-03-03 Raychem Corporation Novel designs for packaging circuit protection devices
US4774024A (en) * 1985-03-14 1988-09-27 Raychem Corporation Conductive polymer compositions
JPH0664929B2 (ja) * 1985-04-02 1994-08-22 レイケム・コ−ポレイシヨン 電気デバイス
JPS62209803A (ja) * 1986-03-10 1987-09-16 日本メクトロン株式会社 回路素子
JPH0690962B2 (ja) * 1986-03-31 1994-11-14 日本メクトロン株式会社 Ｐｔｃ素子の製造法
JPH0690964B2 (ja) * 1986-03-31 1994-11-14 日本メクトロン株式会社 Ｐｔｃ素子の製造法
JPS6387703A (ja) * 1986-09-30 1988-04-19 日本メクトロン株式会社 Ｐｔｃ素子
JPH0710025B2 (ja) * 1987-05-11 1995-02-01 日本メクトロン株式会社 回路保護機能を有するプリント配線板
US4924074A (en) * 1987-09-30 1990-05-08 Raychem Corporation Electrical device comprising conductive polymers
US4907340A (en) * 1987-09-30 1990-03-13 Raychem Corporation Electrical device comprising conductive polymers
US5066104A (en) * 1988-03-25 1991-11-19 Raychem Corporation Liquid crystal electrical fault indicators
US5247277A (en) * 1990-02-14 1993-09-21 Raychem Corporation Electrical devices
US5122775A (en) * 1990-02-14 1992-06-16 Raychem Corporation Connection device for resistive elements
US5174924A (en) * 1990-06-04 1992-12-29 Fujikura Ltd. Ptc conductive polymer composition containing carbon black having large particle size and high dbp absorption
US5089801A (en) * 1990-09-28 1992-02-18 Raychem Corporation Self-regulating ptc devices having shaped laminar conductive terminals
US5436609A (en) * 1990-09-28 1995-07-25 Raychem Corporation Electrical device
GB9021222D0 (en) * 1990-09-28 1990-11-14 Raychem Ltd Circuit protection device
GB9113888D0 (en) * 1991-06-27 1991-08-14 Raychem Sa Nv Circuit protection devices
US5250228A (en) * 1991-11-06 1993-10-05 Raychem Corporation Conductive polymer composition
US5303115A (en) * 1992-01-27 1994-04-12 Raychem Corporation PTC circuit protection device comprising mechanical stress riser
US5852397A (en) 1992-07-09 1998-12-22 Raychem Corporation Electrical devices
US5317061A (en) * 1993-02-24 1994-05-31 Raychem Corporation Fluoropolymer compositions
US5451919A (en) * 1993-06-29 1995-09-19 Raychem Corporation Electrical device comprising a conductive polymer composition
CN1040713C (zh) 1993-08-23 1998-11-11 雷伊化学公司 一种包含ptc保护器件的电气配线系统
DE69504333T2 (de) 1994-05-16 1999-05-12 Raychem Corp., Menlo Park, Calif. Elektrisches bauteil mit einem ptc-widerstandselement
DE4423798A1 (de) * 1994-07-01 1996-01-11 Krone Ag Verfahren zum Schutz insbesondere von Telekommunikationsanlagen und Schutzschaltung zur Durchführung des Verfahrens
EP0826223A1 (en) * 1995-05-10 1998-03-04 Littelfuse, Inc. Ptc circuit protection device and manufacturing process for same
US5663702A (en) * 1995-06-07 1997-09-02 Littelfuse, Inc. PTC electrical device having fuse link in series and metallized ceramic electrodes
WO1997006660A2 (en) * 1995-08-15 1997-02-27 Bourns, Multifuse (Hong Kong), Ltd. Surface mount conductive polymer devices and method for manufacturing such devices
TW309619B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1995-08-15 1997-07-01 Mourns Multifuse Hong Kong Ltd
US5689395A (en) * 1995-09-14 1997-11-18 Raychem Corporation Overcurrent protection circuit
US5666254A (en) * 1995-09-14 1997-09-09 Raychem Corporation Voltage sensing overcurrent protection circuit
US5737160A (en) * 1995-09-14 1998-04-07 Raychem Corporation Electrical switches comprising arrangement of mechanical switches and PCT device
US5864458A (en) * 1995-09-14 1999-01-26 Raychem Corporation Overcurrent protection circuits comprising combinations of PTC devices and switches
US6059997A (en) * 1995-09-29 2000-05-09 Littlelfuse, Inc. Polymeric PTC compositions
US5675246A (en) * 1996-03-18 1997-10-07 Msx, Inc. Current flow indicator
US6023403A (en) * 1996-05-03 2000-02-08 Littlefuse, Inc. Surface mountable electrical device comprising a PTC and fusible element
AU3394697A (en) * 1996-06-18 1998-01-07 Littlefuse, Inc. Electrical apparatus with a variable circuit protection device
ATE449448T1 (de) 1996-07-16 2009-12-15 Raychem Corp Schutzschaltungsanordnungen
US5837164A (en) * 1996-10-08 1998-11-17 Therm-O-Disc, Incorporated High temperature PTC device comprising a conductive polymer composition
US5985182A (en) * 1996-10-08 1999-11-16 Therm-O-Disc, Incorporated High temperature PTC device and conductive polymer composition
US5841111A (en) * 1996-12-19 1998-11-24 Eaton Corporation Low resistance electrical interface for current limiting polymers by plasma processing
US5920251A (en) * 1997-03-12 1999-07-06 Eaton Corporation Reusable fuse using current limiting polymer
US5905623A (en) * 1997-05-27 1999-05-18 Oneac Corporation Telephone and data overvoltage protection apparatus including a longitudinal transformer
AU7712098A (en) 1997-06-04 1998-12-21 Tyco Electronics Corporation Circuit protection devices
US6020808A (en) 1997-09-03 2000-02-01 Bourns Multifuse (Hong Kong) Ltd. Multilayer conductive polymer positive temperature coefficent device
US6078160A (en) * 1997-10-31 2000-06-20 Cilluffo; Anthony Bidirectional DC motor control circuit including overcurrent protection PTC device and relay
AU2492999A (en) 1998-02-06 1999-08-23 Raychem Limited Electrical protection systems
WO1999040663A1 (en) * 1998-02-06 1999-08-12 Tyco Electronics Corporation Electrical systems
US6282072B1 (en) 1998-02-24 2001-08-28 Littelfuse, Inc. Electrical devices having a polymer PTC array
US6242997B1 (en) 1998-03-05 2001-06-05 Bourns, Inc. Conductive polymer device and method of manufacturing same
US6172591B1 (en) 1998-03-05 2001-01-09 Bourns, Inc. Multilayer conductive polymer device and method of manufacturing same
US6380839B2 (en) 1998-03-05 2002-04-30 Bourns, Inc. Surface mount conductive polymer device
US6236302B1 (en) 1998-03-05 2001-05-22 Bourns, Inc. Multilayer conductive polymer device and method of manufacturing same
GB2335541A (en) * 1998-03-20 1999-09-22 Ceramaspeed Ltd Electric heater comprising a temperature sensing and limiting arrangement
US6074576A (en) * 1998-03-24 2000-06-13 Therm-O-Disc, Incorporated Conductive polymer materials for high voltage PTC devices
US5993990A (en) * 1998-05-15 1999-11-30 Moltech Corporation PTC current limiting header assembly
US6396391B1 (en) 1998-08-27 2002-05-28 Serconet Ltd. Communications and control network having multiple power supplies
GB9820132D0 (en) 1998-09-16 1998-11-11 Raychem Ltd Battery over-discharge protection
US6349022B1 (en) 1998-09-18 2002-02-19 Tyco Electronics Corporation Latching protection circuit
US6228287B1 (en) 1998-09-25 2001-05-08 Bourns, Inc. Two-step process for preparing positive temperature coefficient polymer materials
US6582647B1 (en) 1998-10-01 2003-06-24 Littelfuse, Inc. Method for heat treating PTC devices
US6300859B1 (en) 1999-08-24 2001-10-09 Tyco Electronics Corporation Circuit protection devices
US6640420B1 (en) 1999-09-14 2003-11-04 Tyco Electronics Corporation Process for manufacturing a composite polymeric circuit protection device
US6854176B2 (en) 1999-09-14 2005-02-15 Tyco Electronics Corporation Process for manufacturing a composite polymeric circuit protection device
FR2800529B1 (fr) * 1999-10-27 2002-01-11 Valeo Climatisation Moteur pour le deplacement d'un volet d'une installation de ventilation, chauffage et/ou climatisation d'un vehicule automobile, a commande perfectionnee
US6429533B1 (en) 1999-11-23 2002-08-06 Bourns Inc. Conductive polymer device and method of manufacturing same
US6628498B2 (en) 2000-08-28 2003-09-30 Steven J. Whitney Integrated electrostatic discharge and overcurrent device
US6597551B2 (en) 2000-12-13 2003-07-22 Huladyne Corporation Polymer current limiting device and method of manufacture
GB2378327A (en) * 2001-06-15 2003-02-05 Marconi Applied Technologies Electrical circuit protection system
JP2005535110A (ja) * 2002-06-25 2005-11-17 タイコ・エレクトロニクス・コーポレイション データバスインターフェースに過電流及び過電圧の保護とコモンモードフィルタリングを与える集積化デバイス
JP2005268578A (ja) 2004-03-19 2005-09-29 Toudai Tlo Ltd サーミスタ素子
RU2259624C1 (ru) * 2004-05-12 2005-08-27 Джус Илья Николаевич Устройство для защиты потребителя от всплесков напряжения и коротких замыканий
RU2270500C2 (ru) * 2004-06-03 2006-02-20 Илья Николаевич Джус Способ защиты потребителя от всплесков напряжения и коротких замыканий
US7085482B2 (en) * 2004-09-20 2006-08-01 Aquarium Pharmaceuticals, Inc. Aquarium water heater
US20080006796A1 (en) * 2006-07-10 2008-01-10 General Electric Company Article and associated method
CN102354593A (zh) * 2011-09-29 2012-02-15 贵州天义汽车电器有限公司 一种汽车风扇调速电阻器
WO2013047122A1 (ja) * 2011-09-30 2013-04-04 株式会社村田製作所 有機ｐｔｃ素子の製造方法
US8508328B1 (en) 2012-09-14 2013-08-13 Fuzetec Technology Co., Ltd. Insertable polymer PTC over-current protection device
IT201700048690A1 (it) * 2017-05-05 2018-11-05 Eltek Spa Dispositivo riscaldatore elettrico, particolarmente ad effetto ptc
IT201700048641A1 (it) * 2017-05-05 2018-11-05 Eltek Spa Dispositivo riscaldatore elettrico, particolarmente ad effetto ptc
US10084308B1 (en) * 2017-06-14 2018-09-25 Fuzetec Technology Co., Ltd. Overcurrent protection device
CN109215905B (zh) * 2017-06-30 2021-07-06 富致科技股份有限公司 过电流保护装置
US11037708B2 (en) 2019-07-01 2021-06-15 Littelfuse, Inc. PPTC device having resistive component
CN110868213B (zh) * 2019-11-14 2023-04-28 中国科学院武汉物理与数学研究所 一种铷钟微波腔及晶体振荡器的联合控温电路

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2978665A (en) * 1956-07-11 1961-04-04 Antioch College Regulator device for electric current
US3241026A (en) * 1961-12-08 1966-03-15 Philips Corp Load protective device including positive temperature coefficient resistance
FR1341127A (fr) * 1961-12-08 1963-10-25 Philips Nv Dispositifs à brancher sur deux tensions de secteur
DE1155855B (de) * 1962-09-27 1963-10-17 Philips Nv Vorrichtung zum Schutz eines elektrischen Geraetes
US3243753A (en) * 1962-11-13 1966-03-29 Kohler Fred Resistance element
DE1613895A1 (de) * 1966-06-10 1971-06-03 Texas Instruments Inc Strombegrenzungsvorrichtung
US3564199A (en) * 1968-12-30 1971-02-16 Texas Instruments Inc Self-regulating electric fluid-sump heater
US3564589A (en) * 1969-10-13 1971-02-16 Henry M Arak Immersion-type aquarium heater with automatic temperature control and malfunction shut-off
US3858144A (en) * 1972-12-29 1974-12-31 Raychem Corp Voltage stress-resistant conductive articles
US4177376A (en) * 1974-09-27 1979-12-04 Raychem Corporation Layered self-regulating heating article
US4101862A (en) * 1976-11-19 1978-07-18 K.K. Tokai Rika Denki Seisakusho Current limiting element for preventing electrical overcurrent
GB1600256A (en) * 1976-12-13 1981-10-14 Raychem Corp Process for the manufacture of electrical devices comprising conductive polymer compositions
GB1597007A (en) * 1976-12-16 1981-09-03 Raychem Corp Conductive polymer compositions and devices
GB1604904A (en) * 1977-05-18 1981-12-16 Raychem Corp Electrical devices and heating method
US4246468A (en) * 1978-01-30 1981-01-20 Raychem Corporation Electrical devices containing PTC elements
JPS54156288A (en) * 1978-05-31 1979-12-10 Honda Motor Co Ltd Grindstone fabricating method
NL7908690A (nl) * 1978-12-01 1980-06-03 Raychem Corp Ptc-inrichting met zuurstofbarriere.
US4238812A (en) * 1978-12-01 1980-12-09 Raychem Corporation Circuit protection devices comprising PTC elements
US4237441A (en) * 1978-12-01 1980-12-02 Raychem Corporation Low resistivity PTC compositions
JPH0697940B2 (ja) * 1987-08-21 1994-12-07 協和醗酵工業株式会社 漬物の製造法
JPH0461578A (ja) * 1990-06-29 1992-02-27 Nec Home Electron Ltd ビデオプリンタ装置

Also Published As

Publication number Publication date
IT1126465B (it) 1986-05-21
JP2750265B2 (ja) 1998-05-13
SE445691B (sv) 1986-07-07
FR2443124A1 (fr) 1980-06-27
JPH0461578B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-10-01
IL58838A0 (en) 1980-02-29
IL58838A (en) 1984-02-29
JPS5582313A (en) 1980-06-21
FR2443124B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-12-14
JPH06202744A (ja) 1994-07-22
SE7909910L (sv) 1980-06-02
GB2038550A (en) 1980-07-23
JPH0819174A (ja) 1996-01-19
US4238812A (en) 1980-12-09
IT7927774A0 (it) 1979-11-30
CA1143802A (en) 1983-03-29
HK83389A (en) 1989-10-27
GB2038550B (en) 1983-02-16
JP2831594B2 (ja) 1998-12-02
DE2948281A1 (de) 1980-06-19
NL7908691A (nl) 1980-06-03

Similar Documents

Publication Publication Date Title
DE2948281C2 (de) Elektrische Schaltung und Schaltungsschutzeinrichtung
DE69103135T2 (de) Vorrichtung zum motor- und kurzschlussschutz.
DE2903442C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP0576836B1 (de) Strombegrenzendes Element
EP0591755B1 (de) Elektrischer Heizkörper für Fluide, insbesondere Durchflusserhitzer
DE3177291T2 (de) Schaltungsschutzeinrichtung.
EP0640995B1 (de) Elektrisches Widerstandselement und Verwendung dieses Widerstandselementes in einem Strombegrenzer
DE3707503C2 (de) PTC-Zusammensetzung
DE68922733T2 (de) Ptc-schaltungsschutzanordnungen.
DE68919359T2 (de) Polymer-ptc-zusammenstellung und elektrische vorrichtung daraus.
DE2551980B2 (de) Abgedichtete, thermostatische Heizvorrichtung, insbesondere für Haarlocken-Brennschere
DE2543314A1 (de) Schichtfoermige, selbstregulierende heizelemente
DE19922633B4 (de) Thermostat
DE2634932A1 (de) Elektrische ptc-heizelemente
DE68916152T2 (de) Überstromschutzeinrichtung für elektrische Netzwerke und Apparate.
DE3146303C2 (de) Anordnung zum Schutz einer spannungsbegrenzenden Schaltungsanordnung vor Überhitzung durch Überspannung
DE2349485A1 (de) Heizvorrichtung
DE60028360T2 (de) Ptk-chipthermistor
DE9214940U1 (de) Temperaturwächter
EP0717876A1 (de) Limiter zur strombegrenzung
DE2941196C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE60304809T2 (de) Festkörper-Motorschutzvorrichtung
DE2635000C2 (de) Elektrische wärmerückstellfähige Heizvorrichtung
DE69509774T2 (de) Überstromschutzvorrichtung für elektrische schaltungen
DE69211552T2 (de) Schutzschaltungseinrichtung

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: RAYCHEM CORP. (N.D.GES.D.STAATES DELAWARE), MENLO

8128 New person/name/address of the agent

Representative=s name: ABITZ, W., DIPL.-ING.DR.-ING. MORF, D., DR. GRITSC

D2 Grant after examination
8364 No opposition during term of opposition