EP0330630A1 - Elektrischer Heizwiderstand für Warmluftgeneratoren - Google Patents
Elektrischer Heizwiderstand für Warmluftgeneratoren Download PDFInfo
- 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
Links
- 238000010438 heat treatment Methods 0.000 title description 3
- 239000011810 insulating material Substances 0.000 claims abstract description 4
- 230000000630 rising effect Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
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)
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)
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)
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)
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 |
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 |
-
1988
- 1988-02-24 IT IT693888U patent/IT215488Z2/it active
-
1989
- 1989-02-21 EP EP19890830069 patent/EP0330630B1/de not_active Expired - Lifetime
- 1989-02-21 DE DE1989617337 patent/DE68917337T2/de not_active Expired - Fee Related
- 1989-02-21 ES ES89830069T patent/ES2060814T3/es not_active Expired - Lifetime
Patent Citations (8)
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)
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 |
---|---|
ES2060814T3 (es) | 1994-12-01 |
DE68917337T2 (de) | 1995-03-16 |
IT8806938V0 (it) | 1988-02-24 |
IT215488Z2 (it) | 1990-09-11 |
DE68917337D1 (de) | 1994-09-15 |
EP0330630B1 (de) | 1994-08-10 |
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