EP 0286932 B1 19920617 - FILTERING ARRANGEMENT FOR REMOVING SOOT PARTICLES FROM THE EXHAUST GASES OF A COMBUSTION ENGINE
Title (en)
FILTERING ARRANGEMENT FOR REMOVING SOOT PARTICLES FROM THE EXHAUST GASES OF A COMBUSTION ENGINE
Publication
Application
Priority
DE 3712333 A 19870411
Abstract (en)
[origin: US4872889A] A filter system for removing particulates from exhaust gases of an internal combustion engine, in particular a diesel engine, having at least one filter member formed by filter channels in the configuration of a honeycomb and made of a porous filter material, in which the region of the inlet openings of the filter channels open on the gas intake side, electrical resistance looped heating elements are arranged that are connected via a lead-in and a lead-out to a power supply. A secure positioning of the heating loops in the honeycomb is assured and contact errors are avoided. The loops of the resistance heating elements and/or the loop connections are received in grooves of the filter system in such a manner that they retain their pre-determined position despite vibrations, thermally-induced shape changes and the like. The grooves can be located in the filter member and/or in a cover plate overlying the inlet face of the filter member.
IPC 1-7
IPC 8 full level
F01N 3/02 (2006.01); F01N 3/022 (2006.01); F01N 3/027 (2006.01); F02B 3/06 (2006.01)
CPC (source: EP US)
F01N 3/0222 (2013.01 - EP US); F01N 3/027 (2013.01 - EP US); F01N 2330/06 (2013.01 - EP US); F02B 3/06 (2013.01 - EP US)
Designated contracting state (EPC)
AT DE FR GB IT SE
DOCDB simple family (publication)
EP 0286932 A2 19881019; EP 0286932 A3 19890111; EP 0286932 B1 19920617; AT E77441 T1 19920715; DE 3712333 A1 19881020; DE 3872025 D1 19920723; US 4872889 A 19891010
DOCDB simple family (application)
EP 88105338 A 19880402; AT 88105338 T 19880402; DE 3712333 A 19870411; DE 3872025 T 19880402; US 17964788 A 19880408