JPS63104620U

JPS63104620U -

Info

Publication number: JPS63104620U
Application number: JP19871086U
Authority: JP
Priority date: 1986-12-26
Filing date: 1986-12-26
Publication date: 1988-07-06

Description

[Brief explanation of the drawing]

第１図は従来の排気ガスろ過装置の概略図、第
２図は本考案による一実施例の排気ガスろ過装置
の概略図である。１……デイーゼルエンジン、２……排気通路、
３……パテイキユレートフイルタ、４……ヒータ
、５……空気通路、８……バイパス通路、８１…
…バイパス通路用シヤツタ、９……排気通路用シ
ヤツタ、１０……三方弁、１１……エアコンプレ
ツサ。 FIG. 1 is a schematic diagram of a conventional exhaust gas filtration device, and FIG. 2 is a schematic diagram of an exhaust gas filtration device according to an embodiment of the present invention. 1... Diesel engine, 2... Exhaust passage,
3... Particular filter, 4... Heater, 5... Air passage, 8... Bypass passage, 81...
...Shutter for bypass passage, 9...Shutter for exhaust passage, 10...Three-way valve, 11...Air compressor.

Claims

[Scope of utility model registration request]

a particulate filter provided in the exhaust passage of the engine and equipped with a heater on the downstream side; an exhaust passage shutter provided downstream of the particulate filter for opening and closing the exhaust passage; a bypass passage connected to a portion of the exhaust passage upstream from the particulate filter and downstream from the exhaust passage shutter; a bypass passage shutter for opening and closing the bypass passage; and the particulate filter. An exhaust gas filtration device comprising an air passage for supplying air to the exhaust passage between the exhaust passage shutters, the air passage being connected to an air compressor driven by the engine. An exhaust gas filtration device characterized by: