JPH024920U - - Google Patents
Info
- Publication number
- JPH024920U JPH024920U JP8358088U JP8358088U JPH024920U JP H024920 U JPH024920 U JP H024920U JP 8358088 U JP8358088 U JP 8358088U JP 8358088 U JP8358088 U JP 8358088U JP H024920 U JPH024920 U JP H024920U
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- stage
- exhaust manifold
- series
- immediately downstream
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003054 catalyst Substances 0.000 claims description 20
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 claims 1
- 230000013011 mating Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
本考案の他の実施例の断面図、第３図は第２図の
―線に沿う断面図、第４図は第３図のものの
変形例の要部断面図、第５図は本考案のさらに他
の実施例の断面図、第６図は第５図の―線に
沿う断面図、第７図は従来の触媒装置の断面図、
第８図は触媒装置の配設位置を示す説明図である
。
１……触媒装置、３……エキゾーストマニホー
ルド、４……ケース、５……還元触媒、６……酸
化触媒、７，８……保持材、１１……２次空気供
給管。
Fig. 1 is a sectional view of one embodiment of the present invention, Fig. 2 is a sectional view of another embodiment of the invention, Fig. 3 is a sectional view taken along the - line of Fig. 2, and Fig. 4 is a sectional view of another embodiment of the invention. FIG. 5 is a cross-sectional view of still another embodiment of the present invention, FIG. 6 is a cross-sectional view taken along line - in FIG. 5, and FIG. 7 is a conventional catalyst device. A cross-sectional view of
FIG. 8 is an explanatory diagram showing the arrangement position of the catalyst device. DESCRIPTION OF SYMBOLS 1... Catalyst device, 3... Exhaust manifold, 4... Case, 5... Reduction catalyst, 6... Oxidation catalyst, 7, 8... Holding material, 11... Secondary air supply pipe.
Claims (1)
１段目の還元触媒と２段目の酸化触媒とを直列に
配列した触媒装置において、前記１段目の触媒を
前記エキゾーストマニホールドの内部に収納し、
該エキゾーストマニホールドに結合した触媒ケー
スに２段目の触媒を収納して、エキゾーストマニ
ホールドと触媒ケースのフランジ合わせ面に２次
空気の導入口を設けたことを特徴とする触媒装置
。 (2) エキゾーストマニホールドのすぐ下流に、
１段目の還元触媒と２段目の酸化触媒とを直列に
配列した触媒装置において、前記１段目の触媒を
前記エキゾーストマニホールドの内部に収納し、
該１段目の触媒を保持する部分のエキゾーストマ
ニホールドを２段目の触媒側に延長して、該延長
部で二つの触媒の間のスペースを確保したことを
特徴とする触媒装置。[Scope of utility model registration claims] (1) Immediately downstream of the exhaust manifold,
In a catalyst device in which a first-stage reduction catalyst and a second-stage oxidation catalyst are arranged in series, the first-stage catalyst is housed inside the exhaust manifold,
A catalyst device characterized in that a second stage catalyst is housed in a catalyst case coupled to the exhaust manifold, and a secondary air inlet is provided at a flange mating surface of the exhaust manifold and the catalyst case. (2) Immediately downstream of the exhaust manifold,
In a catalyst device in which a first-stage reduction catalyst and a second-stage oxidation catalyst are arranged in series, the first-stage catalyst is housed inside the exhaust manifold,
A catalytic device characterized in that an exhaust manifold in a portion that holds the first-stage catalyst is extended toward the second-stage catalyst, and the extended portion secures a space between the two catalysts.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8358088U JPH024920U (en) | 1988-06-24 | 1988-06-24 | |
| CA 603771 CA1333696C (en) | 1988-06-24 | 1989-06-23 | Catalyzing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8358088U JPH024920U (en) | 1988-06-24 | 1988-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH024920U true JPH024920U (en) | 1990-01-12 |
Family
ID=13806435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8358088U Pending JPH024920U (en) | 1988-06-24 | 1988-06-24 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH024920U (en) |
| CA (1) | CA1333696C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11173137A (en) * | 1997-12-11 | 1999-06-29 | Nissan Motor Co Ltd | Catalyst converter device for internal combustion engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5127624A (en) * | 1974-04-03 | 1976-03-08 | Toyota Motor Co Ltd |
-
1988
- 1988-06-24 JP JP8358088U patent/JPH024920U/ja active Pending
-
1989
- 1989-06-23 CA CA 603771 patent/CA1333696C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5127624A (en) * | 1974-04-03 | 1976-03-08 | Toyota Motor Co Ltd |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11173137A (en) * | 1997-12-11 | 1999-06-29 | Nissan Motor Co Ltd | Catalyst converter device for internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1333696C (en) | 1994-12-27 |
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