EP0330630A1 - Elektrischer Heizwiderstand für Warmluftgeneratoren - Google Patents

Elektrischer Heizwiderstand für Warmluftgeneratoren Download PDF

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Publication number
EP0330630A1
EP0330630A1 EP89830069A EP89830069A EP0330630A1 EP 0330630 A1 EP0330630 A1 EP 0330630A1 EP 89830069 A EP89830069 A EP 89830069A EP 89830069 A EP89830069 A EP 89830069A EP 0330630 A1 EP0330630 A1 EP 0330630A1
Authority
EP
European Patent Office
Prior art keywords
portions
hot air
transverse
support
electrical resistance
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
EP89830069A
Other languages
English (en)
French (fr)
Other versions
EP0330630B1 (de
Inventor
Claudio Bulgarini
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0330630A1 publication Critical patent/EP0330630A1/de
Application granted granted Critical
Publication of EP0330630B1 publication Critical patent/EP0330630B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/16—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base

Definitions

  • the invention relates to an electrical heating resistance with a rectilinear support, annular or having any other shape, in particular for apparatuses generating hot air.
  • the aim of this invention is to propose an electrical resistance produced starting from a wavy or sinusoidal wire, bent at U on the opposite sides of a rectilinear or annular insulating element, which greatly facilitates the construction of the electrical resistance itself.
  • the electrical resistance according to the invention is therefore in accordance with claim 1 and intended especially but not exclusively for use as a heating means in hot air generators with natural or forced convection.
  • the electrical resistance in question consists of a wavy or sinusoidal wire 11 which, from a flat condition as shown in FIG. 1, is folded in its intermediate portion substantially in a U shape to form rising portions 12 placed in parallel and connected by transverse wire portions 13 as shown in Figure 2. Between the rising portions 12 and the transverse 13 is mounted an element of insulating material 14 which may be annular as shown in FIG. 4, but also rectilinear and in any case having an appropriate force and fixed on a support 15.
  • the element 14 has lateral notches or recesses 14 ′ in which the rising portions 12 of the resistor are fixed to prevent any sliding of the element relative to the wire.
  • the parts of the uprights adjacent to the transverse portions may possibly be bent slightly towards the center of the insulating element 14 - v. Figure 3 - to prevent any unwanted movement in height between the insulating element and the wire.
  • the resistance described above can be fixed alone or with another on the support 15 by means of a flange 16 and it goes without saying that the support will be provided with the means necessary for its implementation and also means for connecting the electrical resistance (s) to a source of electrical power supply.

Landscapes

  • Details Of Resistors (AREA)
  • Resistance Heating (AREA)
EP19890830069 1988-02-24 1989-02-21 Elektrischer Heizwiderstand für Warmluftgeneratoren Expired - Lifetime EP0330630B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT693888U IT215488Z2 (it) 1988-02-24 1988-02-24 Resistenza elettrica per apparecchi generatori di aria calda.
IT693888U 1988-02-24

Publications (2)

Publication Number Publication Date
EP0330630A1 true EP0330630A1 (de) 1989-08-30
EP0330630B1 EP0330630B1 (de) 1994-08-10

Family

ID=11122529

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890830069 Expired - Lifetime EP0330630B1 (de) 1988-02-24 1989-02-21 Elektrischer Heizwiderstand für Warmluftgeneratoren

Country Status (4)

Country Link
EP (1) EP0330630B1 (de)
DE (1) DE68917337T2 (de)
ES (1) ES2060814T3 (de)
IT (1) IT215488Z2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9000251U1 (de) * 1990-01-11 1990-05-03 Fritz Eichenauer GmbH & Co. KG Fabrik elektr. Spezialartikel, 6744 Kandel Elektrischer Heizkörper mit mäanderförmigen Windungen
EP1758429A1 (de) * 2005-08-26 2007-02-28 Snecma Heizeinrichtung zur Heizung eines zylindrischen Teils, und Verwendung zur Montage eines Zwischenachlagers einer mehrstufigen Turbomaschine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT237328Y1 (it) * 1995-12-12 2000-09-05 Carma S N C Gruppo di riscaldamento a resistenza elettrica,particolarmente peril riscaldamento dell'aria

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1282480A (fr) * 1961-03-03 1962-01-19 Eichenauer Fa Fritz Corps de chauffe électrique à charge élevée
DE1805639A1 (de) * 1968-10-28 1970-06-11 Tuerk & Hillinger Kg Elektrischer Heizkoerper fuer gasfoermige Medien
DE2531854A1 (de) * 1975-07-16 1977-01-20 Bosch Siemens Hausgeraete Elektrischer heizkoerper fuer gasfoermige medien
DE2530369A1 (de) * 1975-07-08 1977-01-20 Tuerk & Hillinger Kg Elektrischer heizkoerper mit schlingenfoermigem heizleiter
DE2830533A1 (de) * 1978-07-12 1980-01-31 Eichenauer Fa Fritz Elektrischer heizkoerper fuer fluide medien
FR2497049A1 (fr) * 1980-12-19 1982-06-25 Ungari Serge Enroulement en fil resistant et sa disposition dans un radiateur electrique
DE3141828A1 (de) * 1980-10-21 1982-07-01 R.I.C.A. Resistenze Industriali Corazzate ed Affini S.p.A., San Giacomo di Veglia, Treviso Elektrischer heizwiderstand
FR2582179A1 (fr) * 1985-05-20 1986-11-21 Rech Meca Automatismes Et Element chauffant electrique dont le conducteur est solidaire du support par pincement

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1282480A (fr) * 1961-03-03 1962-01-19 Eichenauer Fa Fritz Corps de chauffe électrique à charge élevée
DE1805639A1 (de) * 1968-10-28 1970-06-11 Tuerk & Hillinger Kg Elektrischer Heizkoerper fuer gasfoermige Medien
DE2530369A1 (de) * 1975-07-08 1977-01-20 Tuerk & Hillinger Kg Elektrischer heizkoerper mit schlingenfoermigem heizleiter
DE2531854A1 (de) * 1975-07-16 1977-01-20 Bosch Siemens Hausgeraete Elektrischer heizkoerper fuer gasfoermige medien
DE2830533A1 (de) * 1978-07-12 1980-01-31 Eichenauer Fa Fritz Elektrischer heizkoerper fuer fluide medien
DE3141828A1 (de) * 1980-10-21 1982-07-01 R.I.C.A. Resistenze Industriali Corazzate ed Affini S.p.A., San Giacomo di Veglia, Treviso Elektrischer heizwiderstand
FR2497049A1 (fr) * 1980-12-19 1982-06-25 Ungari Serge Enroulement en fil resistant et sa disposition dans un radiateur electrique
FR2582179A1 (fr) * 1985-05-20 1986-11-21 Rech Meca Automatismes Et Element chauffant electrique dont le conducteur est solidaire du support par pincement

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9000251U1 (de) * 1990-01-11 1990-05-03 Fritz Eichenauer GmbH & Co. KG Fabrik elektr. Spezialartikel, 6744 Kandel Elektrischer Heizkörper mit mäanderförmigen Windungen
EP1758429A1 (de) * 2005-08-26 2007-02-28 Snecma Heizeinrichtung zur Heizung eines zylindrischen Teils, und Verwendung zur Montage eines Zwischenachlagers einer mehrstufigen Turbomaschine
FR2889981A1 (fr) * 2005-08-26 2007-03-02 Snecma Dispositif de chauffage d'une piece cylindrique, utilisation dans l'assemblage d'un palier inter-arbres dans une turbomachine.
US7989733B2 (en) 2005-08-26 2011-08-02 Snecma Device for heating a cylindrical component and use in assembling an inter-shaft bearing in a turbomachine
US8476557B2 (en) 2005-08-26 2013-07-02 Snecma Device for heating a cylindrical component and use in assembling an inter-shaft bearing in a turbomachine

Also Published As

Publication number Publication date
DE68917337D1 (de) 1994-09-15
DE68917337T2 (de) 1995-03-16
IT215488Z2 (it) 1990-09-11
EP0330630B1 (de) 1994-08-10
ES2060814T3 (es) 1994-12-01
IT8806938V0 (it) 1988-02-24

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