Invention Grant
- Patent Title: Exhaust aftertreatment arrangement for cleaning exhaust gases
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Application No.: US17804417Application Date: 2022-05-27
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Publication No.: US11781458B2Publication Date: 2023-10-10
- Inventor: Gert-Ove Wahlström
- Applicant: VOLVO TRUCK CORPORATION
- Applicant Address: SE Gothenburg
- Assignee: VOLVO TRUCK CORPORATION
- Current Assignee: VOLVO TRUCK CORPORATION
- Current Assignee Address: SE Gothenburg
- Agency: Venable LLP
- Agent Jeffri A. Kaminski
- Priority: EP 177031 2021.06.01
- Main IPC: F01N3/20
- IPC: F01N3/20 ; F01N3/027 ; F01N3/029 ; F01N3/08

Abstract:
An exhaust aftertreatment arrangement for cleaning exhaust gases includes a fluid channel for providing a fluid pathway for the exhaust gases, a selective catalyst reduction, SCR, catalyst, arranged in or downstream the fluid channel, a heating arrangement for heating the exhaust gases, the heating arrangement being arranged upstream of the SCR catalyst and comprising an electrical heating element, a first fluid pathway for guiding the exhaust gases to the electrical heating element, and a second fluid pathway for guiding the exhaust gases to bypass the electrical heating element, wherein the heating arrangement is removably arranged relative the fluid channel.
Public/Granted literature
- US20220381172A1 EXHAUST AFTERTREATMENT ARRANGEMENT FOR CLEANING EXHAUST GASES Public/Granted day:2022-12-01
Information query
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