US 10,485,059 B2
PTC heating element and electric heating device comprising such a PTC heating element and method for producing an electric heating device
Franz Bohlender, Kandel (DE); Patrick Kachelhoffer, Seebach (FR); Michael Niederer, Kapellen-Drusweiler (DE); Andreas Schwarzer, Frankfurt am Main (DE); and Kurt Walz, Hagenbach (DE)
Assigned to Eberspacher catem GmbH & Co. KG, Herxheim (DE)
Filed by Eberspacher catem GmbH & Co. KG, Herxheim (DE)
Filed on Jun. 1, 2016, as Appl. No. 15/169,873.
Claims priority of application No. 15170336 (EP), filed on Jun. 2, 2015.
Prior Publication US 2016/0360573 A1, Dec. 8, 2016
Int. Cl. H05B 1/02 (2006.01); H05B 3/30 (2006.01); H05B 3/50 (2006.01); H05B 3/06 (2006.01); H05B 3/18 (2006.01)
CPC H05B 1/0236 (2013.01) [H05B 3/06 (2013.01); H05B 3/18 (2013.01); H05B 3/30 (2013.01); H05B 3/50 (2013.01); H05B 2203/017 (2013.01); H05B 2203/02 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A PTC heating element comprising:
at least one PTC element provided between strip conductors,
an insulating mass sealing at least one of the strip conductors and/or the PTC element over an entire circumference thereof, wherein the insulating mass is applied as a glue bead which seals the at least one of the strip conductors and/or the PTC element circumferentially,
an insulation layer which projects over an end side of one of the strip conductors, and which, with the strip conductor and/or the PTC element, defines a receiving portion receiving the insulating mass, and
a slide sheet lying against the insulation layer.