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Scania C V Ab patents


Recent patent applications related to Scania C V Ab. Scania C V Ab is listed as an Agent/Assignee. Note: Scania C V Ab may have other listings under different names/spellings. We're not affiliated with Scania C V Ab, we're just tracking patents.

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Exhaust treatment system and method for treatment of an exhaust stream

An exhaust treatment system comprising: a first dosage device to supply a first additive into an exhaust stream; a first reduction catalyst device downstream of said first dosage device, including a slip-catalyst primarily for reduction of nitrogen oxides (nox) through the use of the additive, and secondarily for oxidation of additive; an oxidation catalyst downstream of said first reduction catalyst device; a particulate filter downstream of said oxidation catalyst; a second dosage device downstream of said particulate filter to supply a second additive into said exhaust stream; a second reduction catalyst device downstream of said second dosage device for a reduction of nitrogen oxides in said exhaust stream using at least one of said first and said second additive.. . ... Scania C V Ab

Exhaust treatment system and method for treatment of an exhaust stream

An exhaust treatment system comprising: a first oxidation catalyst to oxidize nitrogen- and/or hydrocarbon compounds in an exhaust stream; a first dosage device downstream of said first oxidation catalyst to supply a first additive into said exhaust stream; a first reduction catalyst device, arranged downstream of said first dosage device, including a slip-catalyst primarily for reduction of nitrogen oxides (nox), and secondarily for oxidation of additive; a second oxidation catalyst arranged downstream of said first reduction catalyst; a particulate filter arranged downstream of said oxidation catalyst; a second dosage device, arranged downstream of said particulate filter to supply a second additive into said exhaust stream; and a second reduction catalyst device, arranged downstream of said second dosage device for reduction of nitrogen oxides in said exhaust stream, with the use of at least one of said first and said second additive.. . ... Scania C V Ab

Method and system for controlling nitrogen oxide emissions from a combustion engine

Methods and systems are provided for treatment of an exhaust stream that comprises nitrogen oxides nox. The method comprises supplying a first additive to the exhaust stream as a first reduction of a first amount of nitrogen oxides nox_1 reaching a first device, arranged to impact the first amount of nitrogen oxides nox_1. ... Scania C V Ab








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