SI0621738T1 - Security device for an electric heating element against unacceptably reduced heat transfer - Google Patents

Security device for an electric heating element against unacceptably reduced heat transfer

Info

Publication number
SI0621738T1
SI0621738T1 SI9430328T SI9430328T SI0621738T1 SI 0621738 T1 SI0621738 T1 SI 0621738T1 SI 9430328 T SI9430328 T SI 9430328T SI 9430328 T SI9430328 T SI 9430328T SI 0621738 T1 SI0621738 T1 SI 0621738T1
Authority
SI
Slovenia
Prior art keywords
heat transfer
reduced heat
heating element
electric heating
security device
Prior art date
Application number
SI9430328T
Other languages
Slovenian (sl)
Inventor
Siegbert Berger
Original Assignee
E.G.O. Elektro-Geraetebau Gmbh
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 E.G.O. Elektro-Geraetebau Gmbh filed Critical E.G.O. Elektro-Geraetebau Gmbh
Publication of SI0621738T1 publication Critical patent/SI0621738T1/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/042—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using temperature dependent resistors
    • H02H5/043—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using temperature dependent resistors the temperature dependent resistor being disposed parallel to a heating wire, e.g. in a heating blanket
    • 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
    • H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive 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

A security element (15) is provided as security for a tubular heater when running dry or in the case of another unacceptable handicap for the heat transfer, which security element consists of a heating resistor made of PTC material. It is thermally coupled in the same or a similar manner to the medium as the remaining heating resistor. In the case of an unacceptably reduced heat transfer the temperature rises rapidly due to the current impressed in the PTC element (15) and leads to the self-destruction of the security element. <IMAGE>
SI9430328T 1993-04-23 1994-03-29 Security device for an electric heating element against unacceptably reduced heat transfer SI0621738T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4313339A DE4313339A1 (en) 1993-04-23 1993-04-23 Safety device of an electric heating element against inadmissible reduction in heat consumption
EP94104939A EP0621738B1 (en) 1993-04-23 1994-03-29 Security device for an electric heating element against unacceptably reduced heat transfer

Publications (1)

Publication Number Publication Date
SI0621738T1 true SI0621738T1 (en) 2000-08-31

Family

ID=6486217

Family Applications (1)

Application Number Title Priority Date Filing Date
SI9430328T SI0621738T1 (en) 1993-04-23 1994-03-29 Security device for an electric heating element against unacceptably reduced heat transfer

Country Status (5)

Country Link
EP (1) EP0621738B1 (en)
AT (1) ATE190456T1 (en)
DE (2) DE4313339A1 (en)
ES (1) ES2145788T3 (en)
SI (1) SI0621738T1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19936112A1 (en) * 1999-07-31 2001-02-01 Mannesmann Vdo Ag Semiconductor switch
DE10048181B4 (en) * 2000-09-28 2011-08-11 Gustav Magenwirth GmbH & Co. KG, 72574 Vehicle with a heated throttle grip
AU2003201228A1 (en) * 2003-01-02 2004-07-29 Genadiy A. Govor Monolithic self-regulating metal-ceramic heater
DE102007040891A1 (en) 2007-08-24 2009-04-30 E.G.O. Elektro-Gerätebau GmbH Heating device, method for operating a heater and electric heater with such a heater

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7337055U (en) * 1974-01-10 Siemens Ag Electric tubular heater
GB1096988A (en) * 1965-11-23 1967-12-29 Lindsay Sydney Little Overload control for electric heater elements
NL6807398A (en) * 1968-05-24 1969-11-26
DE7431104U (en) * 1974-09-16 1974-12-12 Stiebel Eltron Gmbh & Co Kg Safety device for electric tubular heating elements
US4276466A (en) * 1979-05-11 1981-06-30 Raychem Corporation Heater with distributed heating element
US4697069A (en) * 1983-08-22 1987-09-29 Ingo Bleckmann Tubular heater with an overload safety means
EP0204850A1 (en) * 1985-06-05 1986-12-17 Elpag Ag Chur Tubular heating element
GB2186446B (en) * 1986-02-10 1990-08-29 Dubilier Plc Time-lag fuses
FR2597222A1 (en) * 1986-04-11 1987-10-16 Ciapem Apparatus equipped with an electrical heating resistance
DE4014753A1 (en) * 1990-05-08 1991-11-14 Elpag Ag Chur PIPE RADIATOR WITH FUSE

Also Published As

Publication number Publication date
EP0621738B1 (en) 2000-03-08
DE4313339A1 (en) 1994-11-03
EP0621738A3 (en) 1994-12-14
ATE190456T1 (en) 2000-03-15
ES2145788T3 (en) 2000-07-16
DE59409176D1 (en) 2000-04-13
EP0621738A2 (en) 1994-10-26

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