EP 3234467 A1 20171025 - SYSTEM COMPRISING AN ELECTRIC HEATING ELEMENT AND CONTACTING SYSTEM HAVING IMPROVED DURABILITY
Title (en)
SYSTEM COMPRISING AN ELECTRIC HEATING ELEMENT AND CONTACTING SYSTEM HAVING IMPROVED DURABILITY
Title (de)
ANORDNUNG UMFASSEND EIN ELEKTRISCHES HEIZELEMENT UND KONTAKTIERUNG MIT VERBESSERTER HALTBARKEIT
Title (fr)
SYSTÈME COMPRENANT UN ÉLÉMENT ÉLECTRIQUE CHAUFFANT ET MISE EN CONTACT PRÉSENTANT UNE DURABILITÉ AMÉLIORÉE
Publication
Application
Priority
- DE 102014226433 A 20141218
- EP 2015078902 W 20151208
Abstract (en)
[origin: WO2016096519A1] The invention relates to an electric heating element (1), which contains an electrically insulating main body (11), in which a heating conductor (12) is embedded. At least two supply lines (13a, 13b) are led from the heating conductor to contact points (+, -), wherein said contact points can be connected to a current source arranged outside of the main body by means of contacting elements (14a, 14b), which are in flush contact. According to the invention, at least one first supply line (13a) is beveled at an angle between 5° and 80°, preferably between 30° and 50°, at the location of a first contact point (+), to which said at least one first supply line is led. It was discovered that a defined mechanical stop for the connection of the first contact point (13a) to the contacting element (14a) can thereby be created. It thus becomes possible to maintain the connection of the contact point (13a) to the contacting element (14a) by means of mechanical pressing. The success of the connection no longer depends on the durability of solder joints and welds. Likewise claimed assemblies of heating elements (1) according to the invention and specifically designed contacting elements (14a, 14b) are distinguished by significantly increased durability, in particular in the case of frequent temperature cycles, because of the improved connection between the heating conductor (12) and the contacting elements (14a, 14b).
IPC 8 full level
CPC (source: CN EP)
F23Q 7/001 (2013.01 - CN EP); H05B 3/48 (2013.01 - CN EP); H05B 2203/027 (2013.01 - CN EP)
Citation (search report)
See references of WO 2016096519A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DE 102014226433 A1 20160623; CN 107113922 A 20170829; EP 3234467 A1 20171025; WO 2016096519 A1 20160623
DOCDB simple family (application)
DE 102014226433 A 20141218; CN 201580069469 A 20151208; EP 15816104 A 20151208; EP 2015078902 W 20151208