Electric heating device
AssigneeEberspächer catem GmbH & Co. KG
InventorsKai-Fabian Bürkle, Stefan Plewnia
Life of this patent
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Abstract
An electric heating device for a motor vehicle has a first housing part which surrounds a first circulation chamber and a second housing part which surrounds a second circulation chamber. The first and second circulation chambers abut against each other. A PTC heating device is interposed between the first and second housing parts. The PTC heating device comprises a first cover element covering the first circulation chamber of the first housing part and a second cover element covering the second circulation chamber of the second housing part. At least one PTC element is provided between the first and the second cover elements. An electrode field is provided on the interior side of each of the respective cover elements and is electrically conductively contacted on the PTC element.
Claims20
An electric heating device for a motor vehicle, comprising:
- a first housing part which surrounds a first circulation chamber;
- a second housing part which surrounds a second circulation chamber, wherein the first and second circulation chambers abut against each other, and wherein the first and second housing parts abut against each other;
- a PTC heating device interposed between the first and second housing parts, wherein the PTC heating device comprises
- a first cover element covering the first circulation chamber of the first housing part and a second cover element covering the second circulation chamber of the second housing part,
- a plurality of PTC elements which are provided between the first and the second cover elements, and
- a plurality of electrode fields which are provided entirely on interior sides of the respective cover elements in a plurality of rows, wherein each of the electrode fields is electrically conductively contacted with a specific one of the plurality of PTC elements;
- wherein each of the two cover elements has a strip conductor that is configured to connect the electrode fields of the associated cover element in series.
An electric heating device for a motor vehicle, comprising:
- a first housing part which surrounds a first circulation chamber;
- a second housing part which surrounds a second circulation chamber, wherein the first and second circulation chambers abut against each other, and wherein the first and second housing parts abut against each other;
- a PTC heating device interposed between the first and second housing parts, wherein the PTC heating device comprises
- a first cover element covering the first circulation chamber of the first housing part and a second cover element covering the second circulation chamber of the second housing part,
- a plurality of PTC elements which are provided between the first and the second cover elements, and
- a plurality of electrode fields which are provided entirely on interior sides of the respective cover elements in a plurality of rows, wherein each of the electrode fields is electrically conductively contacted with a specific one of the plurality of PTC elements;
- wherein each of the two cover elements has a strip conductor that is configured to connect the electrode fields of the associated cover element in series;
- and
- wherein the strip conductor of each cover element has a single end exposed with an associated section of the associated cover element on the outside of the associated housing part for forming a single contact for the respective strip conductor.
Dependencies are inferred from the claim text.