EP 0233860 A3 19871014 - EXHAUST GAS CLEANING DEVICE
Title (en)
EXHAUST GAS CLEANING DEVICE
Publication
Application
Priority
AT 43086 A 19860219
Abstract (en)
[origin: EP0233860A2] A device for the cleaning of the exhaust gases from internal- combustion engines operated with significant excess oxygen, preferably diesel engines, especially of vehicles having at least one retaining device, especially a filter device, for fine-grain condensates, especially such as soot, which is arranged in an exhaust gas duct, can be brought into contact with at least part of the exhaust gases and, especially, has the exhaust gases flowing through it, and having at least one device for burning off condensates held by the retaining device, which can preferably be brought into use intermittently, the retaining device, especially the filter device (2), having at least one heat-resistant retaining body, especially a filter body (20), provided with a catalyst material, preferably on the basis of metals of the platinum group, if necessary also with Mo, W, Co and/or V, having at least one device (5) for initiating the burning off, preferably with an electrical resistance heating device (50), which is arranged in direct contact with the filter body and can be intermittently supplied with electricity, preferably from a power source (6) of a vehicle. <IMAGE>
IPC 1-7
IPC 8 full level
F01N 3/023 (2006.01); F01N 3/027 (2006.01); F01N 3/035 (2006.01)
CPC (source: EP)
F01N 3/023 (2013.01); F01N 3/027 (2013.01); F01N 3/035 (2013.01); F01N 2250/02 (2013.01); F01N 2390/02 (2013.01)
Citation (search report)
- [X] US 4549398 A 19851029 - OISHI KIYOHIKO [JP], et al
- [X] US 4544388 A 19851001 - RAO VEMULAPALLI D N [US], et al
- [X] EP 0035053 A1 19810909 - DEGUSSA [DE]
- [X] DE 3205810 A1 19830825 - TEXACO DEVELOPMENT CORP [US]
- [A] US 4512786 A 19850423 - SAKURAI SHIGERU [JP], et al
- [A] US 4456457 A 19840626 - NOZAWA MASAEI [JP], et al
- [A] US 4503672 A 19850312 - STARK TERRENCE L [US], et al
- [A] FR 2460388 A1 19810123 - JOHNSON MATTHEY CO LTD [GB]
- [A] GB 2036585 A 19800702 - DEGUSSA
- [X] PATENT ABSTRACTS OF JAPAN, Band 6, Nr. 146 (M-147)[1024], 5. August 1982; & JP-A-57 65 813 (NIPPON JIDOSHA BUHIN SOGO KENKYUSHO K.K.) 21.04.1982
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0233860 A2 19870826; EP 0233860 A3 19871014; EP 0233860 B1 19910515; AT E63611 T1 19910615; DE 3770016 D1 19910620
DOCDB simple family (application)
EP 87890031 A 19870218; AT 87890031 T 19870218; DE 3770016 T 19870218