EP1247429A1 - Heating element with integrated heat safety device - Google Patents

Heating element with integrated heat safety device

Info

Publication number
EP1247429A1
EP1247429A1 EP01903905A EP01903905A EP1247429A1 EP 1247429 A1 EP1247429 A1 EP 1247429A1 EP 01903905 A EP01903905 A EP 01903905A EP 01903905 A EP01903905 A EP 01903905A EP 1247429 A1 EP1247429 A1 EP 1247429A1
Authority
EP
European Patent Office
Prior art keywords
heating element
safety device
integrated heat
insulation
heating
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.)
Granted
Application number
EP01903905A
Other languages
German (de)
French (fr)
Other versions
EP1247429B1 (en
EP1247429B2 (en
Inventor
Pascal Hantz
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.)
SEB SA
Original Assignee
SEB 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8845886&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1247429(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SEB SA filed Critical SEB SA
Publication of EP1247429A1 publication Critical patent/EP1247429A1/en
Publication of EP1247429B1 publication Critical patent/EP1247429B1/en
Application granted granted Critical
Publication of EP1247429B2 publication Critical patent/EP1247429B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0202—Switches
    • H05B1/0205—Switches using a fusible material
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material

Abstract

The invention relates to armoured heating elements. The invention specifically relates to a heating device (1) consisting of a tubular envelope, wherein a heating element (4) surrounded by insulation (3) is arranged, said heating element (4) is connected to an electric supply circuit by connecting (14) rods and pins (10,12) and said tubular envelope (2) is provided with two cylindrical sealing beads (16) arranged in the ends thereof, whereby at least one of the beads known as a specific bead (16) is in direct contact with the insulation (3) surrounding the heating element (4); The invention is characterized in that the specific bead (16) comprises an axially transversal recess (18), wherein a thermal fuse (20) is inserted and electrically and serially mounted with said heating element (4).

Description

       

  



   REVENDICATIONS 1. Dispositif de chauffage (1) électrique constitué d'une enveloppe tubulaire
 (2), à l'intérieur de laquelle est toge un élément chauffant (4) entouré
 d'isolant (3), ledit élément chauffant (4) étant relié à un circuit d'alimentation
 électrique par des tiges et broches (10,12) de connexion (14), ladite
 enveloppe tubulaire (2) étant munie de deux perles de bouchage
 cylindriques, agencées en ses extrémités, au moins   l'une    de ces perles, dite
 perle spécifique (16), étant en contact direct avec l'isolant (3) entourant
 l'élément chauffant (4), caractérisé en ce que la perle spécifique (16)
 comporte un évidement (18) la traversant axialement, dans lequel est inséré
 un fusible thermique (20) monté électriquement en série avec t'élément
 chauffant (4).



  2. Dispositif de chauffage (1) électrique selon la revendication 1, caractérisé
 en ce que l'élément chauffant (4) est en spirale et monté en tension dans
 t'enveloppe tubulaire (2).



  3. Dispositif de chauffage (1) électrique selon l'une des revendications
 précédentes, caractérisé en ce que t'évidement (18) comporte un
 rétrécissement (21) au niveau de l'extrémité en liaison avec l'intérieur du
 tube, contre lequel est positionné le fusible (20).



  4. Dispositif de chauffage (1) électrique selon   l'une    des revendications
 précédentes, caractérisé en ce que le fusible thermique (20) comporte un
 boîtier (23) à l'intérieur duquel est toge un ressort de compression (28)
 exerçant une pression entre, d'une part une pastille thermique (24) située à
 l'extrémité externe du boîtier et en contact avec une broche de connexion
 externe (12) et d'autre part un disque (26) coulissant central poussé en
 appui contre une tige de liaison (10) interne, et ceci contre une force de
 rappel exercée par un ressort (32) d'ouverture coaxial à la tige de liaison
 (10). 



  5. Dispositif de chauffage (1) électrique selon la revendication 4, caractérisé
 en ce que la tige de liaison (10) est entourée, au sein du fusible thermique
 (20), d'un isolateur (34).



  6. Dispositif de chauffage (1) électrique selon   l'une    des revendications 4 ou 5,
 caractérisé en ce que la pastille thermique (24) est située à l'extrémité du
 boîtier du fusible situé hors de l'enveloppe tubulaire (2).



  



   CLAIMS 1. Electric heating device (1) consisting of a tubular casing
 (2), inside of which is a heating element (4) surrounded
 insulation (3), said heating element (4) being connected to a supply circuit
 electric by connecting rods and pins (10,12) (14), said
 tubular casing (2) being provided with two stopper beads
 cylindrical, arranged at its ends, at least one of these beads, called
 specific pearl (16), being in direct contact with the surrounding insulation (3)
 the heating element (4), characterized in that the specific pearl (16)
 has a recess (18) passing through it axially, into which is inserted
 a thermal fuse (20) electrically connected in series with the element
 heating (4).



  2. Electric heating device (1) according to claim 1, characterized
 in that the heating element (4) is in a spiral and mounted in tension in
 the tubular casing (2).



  3. Electric heating device (1) according to one of claims
 previous, characterized in that the recess (18) has a
 narrowing (21) at the end in connection with the interior of the
 tube, against which the fuse (20) is positioned.



  4. Electric heating device (1) according to one of claims
 previous, characterized in that the thermal fuse (20) has a
 housing (23) inside of which is a compression spring (28)
 exerting a pressure between, on the one hand a thermal patch (24) located at
 the outer end of the case and in contact with a connection pin
 external (12) and on the other hand a central sliding disc (26) pushed in
 support against an internal connecting rod (10), and this against a force of
 return exerted by a spring (32) opening coaxial with the connecting rod
 (10).



  5. An electric heating device (1) according to claim 4, characterized
 in that the connecting rod (10) is surrounded, within the thermal fuse
 (20), an insulator (34).



  6. Electric heating device (1) according to one of claims 4 or 5,
 characterized in that the thermal patch (24) is located at the end of the
 fuse box located outside the tubular casing (2).
EP01903905A 2000-01-13 2001-01-10 Heating element with integrated heat safety device Expired - Lifetime EP1247429B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0000415 2000-01-13
FR0000415A FR2803976B1 (en) 2000-01-13 2000-01-13 HEATING ELEMENT WITH INTEGRATION OF A THERMAL SAFETY DEVICE
PCT/FR2001/000065 WO2001052601A1 (en) 2000-01-13 2001-01-10 Heating element with integrated heat safety device

Publications (3)

Publication Number Publication Date
EP1247429A1 true EP1247429A1 (en) 2002-10-09
EP1247429B1 EP1247429B1 (en) 2003-05-07
EP1247429B2 EP1247429B2 (en) 2009-07-08

Family

ID=8845886

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01903905A Expired - Lifetime EP1247429B2 (en) 2000-01-13 2001-01-10 Heating element with integrated heat safety device

Country Status (9)

Country Link
US (1) US6710310B2 (en)
EP (1) EP1247429B2 (en)
AT (1) ATE240027T1 (en)
AU (1) AU3186601A (en)
DE (1) DE60100257T3 (en)
ES (1) ES2198395T5 (en)
FR (1) FR2803976B1 (en)
PT (1) PT1247429E (en)
WO (1) WO2001052601A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK1233650T3 (en) * 2001-01-24 2006-12-18 Leister Process Tech Hot air device
JP2003317589A (en) * 2002-04-24 2003-11-07 Nec Schott Components Corp Thermosensitive pellet type thermal fuse
US6887258B2 (en) * 2002-06-26 2005-05-03 Advanced Cardiovascular Systems, Inc. Embolic filtering devices for bifurcated vessels
JP4471203B2 (en) * 2003-10-28 2010-06-02 エヌイーシー ショット コンポーネンツ株式会社 Temperature-sensitive pellet type temperature fuse and method of manufacturing temperature-sensitive pellet
JP4375738B2 (en) 2004-09-17 2009-12-02 エヌイーシー ショット コンポーネンツ株式会社 Temperature-sensitive pellet type thermal fuse
JP4521725B2 (en) * 2005-03-17 2010-08-11 エヌイーシー ショット コンポーネンツ株式会社 Thermal pellet type thermal fuse
JP4583228B2 (en) * 2005-04-18 2010-11-17 エヌイーシー ショット コンポーネンツ株式会社 Thermal pellet type thermal fuse
US7843307B2 (en) * 2007-10-05 2010-11-30 Nec Schott Components Corporation Thermal fuse employing thermosensitive pellet
ITVE20080012U1 (en) * 2008-04-24 2009-10-24 D H E S R L HEAT EXCHANGER FOR FLUIDS.
IT1391845B1 (en) * 2008-11-03 2012-01-27 Irca Spa HEAT EXCHANGER WITH THERMAL PROTECTION
CH711968A1 (en) 2015-12-28 2017-06-30 C3 Casting Competence Center Gmbh Heater.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001754A (en) * 1974-05-21 1977-01-04 Emerson Electric Co. Temperature responsive electrical switch construction and method of making the same
DE2514584B2 (en) † 1975-04-03 1979-02-01 G. Bahlmann Kg Gmbh & Co, 5890 Schalksmuehle Electric immersion heater
US4384267A (en) * 1980-07-07 1983-05-17 Murata Manufacturing Co., Ltd. Thermosensitive fuse
US4390776A (en) * 1982-03-01 1983-06-28 Yane Daryl J Immersion heater
DE3433688A1 (en) 1984-09-13 1986-03-20 Siemens AG, 1000 Berlin und 8000 München Tubular heating body having a temperature protection device
FR2579854A1 (en) * 1985-03-29 1986-10-03 Etirex Shielded electrical resistor with coaxial windings
DE8715851U1 (en) 1987-11-30 1988-02-18 Elpag Ag Chur, Chur, Ch
DE4243894A1 (en) * 1991-12-24 1993-07-15 Eltra Gmbh & Co Kg Leicht & Tr Tubular heater with a thermal cut=out - has temp. dependent circuit breaker in tube screwed onto heating coil terminal in heater jacket.
JPH06267641A (en) 1993-03-10 1994-09-22 Kawai Denki Seisakusho:Kk Sheath heater with temperature fuse subjected to bending process and its manufacture
IT1262417B (en) * 1993-10-29 1996-06-19 Merloni Termosanitari Spa SELF-PROTECTION SYSTEM FOR ELECTRIC TYPE HEATING ELEMENT, IN PARTICULAR HEATING ELEMENT FOR WASHING MACHINE, WATER HEATER AND SIMILAR.
US6392208B1 (en) * 1999-08-06 2002-05-21 Watlow Polymer Technologies Electrofusing of thermoplastic heating elements and elements made thereby

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0152601A1 *

Also Published As

Publication number Publication date
EP1247429B1 (en) 2003-05-07
US20030010772A1 (en) 2003-01-16
AU3186601A (en) 2001-07-24
DE60100257T3 (en) 2010-01-14
DE60100257T2 (en) 2004-04-01
WO2001052601A1 (en) 2001-07-19
ES2198395T5 (en) 2009-11-27
DE60100257D1 (en) 2003-06-12
EP1247429B2 (en) 2009-07-08
US6710310B2 (en) 2004-03-23
FR2803976A1 (en) 2001-07-20
FR2803976B1 (en) 2002-05-17
PT1247429E (en) 2003-09-30
ATE240027T1 (en) 2003-05-15
ES2198395T3 (en) 2004-02-01

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