JPH0317114U

JPH0317114U -

Info

Publication number: JPH0317114U
Application number: JP7570389U
Authority: JP
Priority date: 1989-06-28
Filing date: 1989-06-28
Publication date: 1991-02-20

Description

[Brief explanation of the drawing]

第１図はこの考案の実施例を示す概略構成図、
第２図は他の実施例を示す要部構成図、第３図は
そのフイルタ再生時の温度特性図、第４，５図は
それぞれ別の実施例を示す要部構成図、第６図は
第５図の実施例におけるフイルタ再生時の温度特
性図、第７，８図はそれぞれさらに別の実施例を
示す要部構成図、第９図は従来技術を説明する要
部構成図、第１０，１１図は同じくそれぞれフイ
ルタ再生時での温度特性図である。１０……トラツプフイルタ、１１……排気通路
、１２……バーナ、１６……空気吹出口、１７…
…空気供給管、１８……エアリザーバ。 FIG. 1 is a schematic configuration diagram showing an embodiment of this invention.
Fig. 2 is a block diagram of the main part showing another embodiment, Fig. 3 is a temperature characteristic diagram during filter regeneration, Figs. 4 and 5 are block diagrams of the main part showing different embodiments, and Fig. 6 is FIG. 5 is a temperature characteristic diagram during filter regeneration in the embodiment, FIGS. 7 and 8 are main part configuration diagrams showing further embodiments, respectively, FIG. 9 is a main part configuration diagram explaining the prior art, and FIG. , 11 are temperature characteristic diagrams during filter regeneration, respectively. 10... Trap filter, 11... Exhaust passage, 12... Burner, 16... Air outlet, 17...
...Air supply pipe, 18...Air reservoir.

Claims

[Scope of utility model registration request]

In an exhaust purification device for a diesel engine, which includes a particulate trap filter in the engine exhaust passage and a regeneration heat source supply means for re-combusting the collected particulate on the upstream side thereof,
Features include an air outlet opening toward the center of the rear end face of the filter on the downstream side of the trap filter, and an air pressurizing means for supplying high-pressure air from outside the exhaust passage to this outlet via an air supply pipe. Exhaust purification device for diesel engines.