JPH02126015U

JPH02126015U -

Info

Publication number: JPH02126015U
Application number: JP3448789U
Authority: JP
Priority date: 1989-03-27
Filing date: 1989-03-27
Publication date: 1990-10-17

Description

[Brief explanation of drawings]

第１〜１０図はこの考案の実施例を示し、第１
図は触媒コンバータの断面図、第２図は第１図の
―線断面図、第３図は第１図の―線断面
図、第４図は第１触媒体の一部断面斜視図、第５
〜９図は夫々別の実施例を示す第１触媒体の要部
断面図、第１０図は触媒コンバータを備えた内燃
機関の概略説明図である。第１１図は、従来の触
媒コンバータの断面図である。図において、２……内燃機関、１０……吸気通
路、１４……排気通路、２０……燃焼室、２６…
…触媒コンバータ、２８……触媒用ケース、３０
……第１触媒体、３２……第２触媒体、３４……
排気流入口、３６……排気流出口、３８……第１
保持部、４０……第２保持部、４２……排気流通
路、４４−１，４４−２……第１サポータ、４６
……第２サポータ、４８……２次空気供給空間、
５０……２次空気供給管、５２……２次空気供給
通路、５４……２次空気供給孔である。 1 to 10 show examples of this invention, and the first
Figure 2 is a sectional view of the catalytic converter, Figure 2 is a sectional view taken along the line - - in Figure 1, Figure 3 is a sectional view taken along the line - - in Figure 1, and Figure 4 is a partially sectional perspective view of the first catalyst body. 5
9 are sectional views of essential parts of a first catalyst body showing different embodiments, and FIG. 10 is a schematic explanatory view of an internal combustion engine equipped with a catalytic converter. FIG. 11 is a sectional view of a conventional catalytic converter. In the figure, 2... Internal combustion engine, 10... Intake passage, 14... Exhaust passage, 20... Combustion chamber, 26...
...Catalytic converter, 28...Catalyst case, 30
...First catalyst body, 32... Second catalyst body, 34...
Exhaust inlet, 36...Exhaust outlet, 38...First
Holding part, 40... Second holding part, 42... Exhaust flow passage, 44-1, 44-2... First supporter, 46
...Second supporter, 48...Secondary air supply space,
50...Secondary air supply pipe, 52...Secondary air supply passage, 54...Secondary air supply hole.

Claims

[Scope of utility model registration request]

In a catalytic converter in which a plurality of catalyst bodies are arranged in series with respect to the exhaust flow direction and secondary air is supplied in a direction crossing the exhaust flow direction, the plurality of catalyst bodies arranged in series are A catalytic converter characterized in that a secondary air supply hole is formed in the catalyst body on the upstream side of the catalyst body in a direction crossing the exhaust flow direction.