Electric heating device
AssigneeBenteler Automobiltechnik GmbH
InventorsMichael PADBERG, Sven PRZYBYLSKI, Ulrich RUSCHE
Life of this patent
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Abstract
The present invention relates to an electric heating device (3) in an exhaust gas system (1), having an outer circumferential, in particular circular, housing (4), wherein a rib structure is arranged in the housing (4), which rib structure can be heated by applying an electric current to it. The rib structure is arranged with rib rows (7) parallel to one another in the housing (4), wherein the parallel-arranged rib rows (7) are arranged such that are electrically connected to one another in series or in parallel.
Claims21
1-13. (canceled)
An electric heating device in an exhaust gas system, the electric heating device comprising:
- an outer circumferential housing;
- and
- a rib structure arranged in the housing, wherein
- the rib structure is heatable in response to an electric current applied thereto,
- the rib structure comprises a plurality of rib rows parallel to one another in the housing,
- each rib row of the plurality of rib rows comprises a plurality of ribs, and
- the plurality of rib rows are electrically connected to one another in series or in parallel.
An electric heating device in an exhaust gas system, the electric heating device comprising:
- an outer circumferential housing;
- and
- a rib structure arranged in the housing, wherein
- the rib structure is heatable in response to an electric current applied thereto,
- the rib structure comprises a plurality of rib rows parallel to one another in the housing,
- each rib row of the plurality of rib rows comprises a plurality of ribs, and
- a longitudinal axis of the heating device is arranged at an angle of greater than 1 degree with respect to a longitudinal axis of an exhaust gas post-treatment component in an exhaust gas flow direction.
Dependencies are inferred from the claim text.