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US 9,752,482 B2Granted
Device for storing and delivering an aqueous additive
AssigneeKautex Textron GmbH & Co. KG
InventorsVolker Treudt, Thomas Wagner
Life of this patent
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Abstract
The invention relates to a device for storing and delivering an aqueous additive for catalytic exhaust-gas denitrogenization in a motor vehicle. The device comprises a storage vessel (1) enclosing a storage volume (2), comprises at least one delivery pump (8) for the additive, and comprises means for heating at least parts of the storage volume (2), wherein the device is characterized in that the storage vessel (1) is at least partially of double-walled form.
Claims5
A device for storing and delivering an aqueous additive, in particular for catalytic exhaust-gas denitrogenization in a motor vehicle, comprising:
- a storage vessel which encloses a storage volume and an optional additional melt volume,
- at least one delivery pump for the additive,
- a heating device configured to heat at least parts of the storage volume and the optional additional melt volume, and
- a heating volume which is transversable by a flow of a heat carrier medium comprising a plurality of ducts which are selectively transversable individually or jointly by the flow of the heat carrier medium and which, in a bottom and/or in a wall of the storage vessel, define different heating zones;
- wherein the storage vessel is at least partially of double-walled form.
2 more elements
Dependencies are inferred from the claim text.