JPH01113120U - - Google Patents
Info
- Publication number
- JPH01113120U JPH01113120U JP702488U JP702488U JPH01113120U JP H01113120 U JPH01113120 U JP H01113120U JP 702488 U JP702488 U JP 702488U JP 702488 U JP702488 U JP 702488U JP H01113120 U JPH01113120 U JP H01113120U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- exhaust
- exhaust gas
- engine
- switching means
- 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
- 238000000746 purification Methods 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 2
- 239000000446 fuel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 2
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図は触媒コンバータ内に第１の通路が形成
された場合の排気浄化装置の全体構成図、第２図
は触媒コンバータ内に第２の通路が形成された場
合の排気浄化装置の全体構成図、第３図はコント
ロールユニツトの制御例を示す説明図、第４図お
よび第５図は共に従来の排気浄化装置の構成図で
ある。
９……触媒、１１……第１の通路、１３……第
２の通路、１５……第１の切換弁（切換手段）、
１７……第２の切換弁（切換手段）、６８……コ
ントロールユニツト（制御手段）。
Fig. 1 is an overall configuration diagram of the exhaust purification device when a first passage is formed in the catalytic converter, and Fig. 2 is an overall configuration diagram of the exhaust purification device when the second passage is formed in the catalytic converter. 3 and 3 are explanatory diagrams showing examples of control by the control unit, and FIGS. 4 and 5 are configuration diagrams of a conventional exhaust gas purification device. 9... Catalyst, 11... First passage, 13... Second passage, 15... First switching valve (switching means),
17...Second switching valve (switching means), 68...Control unit (controlling means).
Claims (1)
触媒に対し、排気が順方向に流通する第１の通路
と、逆方向に流通する第２の通路とをそれぞれ設
け、これら各通路の一方のみを選択して流通させ
る切換手段を排気通路に設け、この切換手段をエ
ンジンの始動毎に逆転させる制御手段を設けたこ
とを特徴とする排気浄化装置。 A first passage through which exhaust gas flows in the forward direction and a second passage through which exhaust gas flows in the opposite direction are provided for the exhaust purification catalyst installed in the exhaust passage of the engine, and only one of these passages is provided. 1. An exhaust gas purification device comprising: a switching means for selectively distributing a fuel in an exhaust passage; and a control means for reversing the switching means each time the engine is started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP702488U JPH01113120U (en) | 1988-01-25 | 1988-01-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP702488U JPH01113120U (en) | 1988-01-25 | 1988-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01113120U true JPH01113120U (en) | 1989-07-31 |
Family
ID=31211687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP702488U Pending JPH01113120U (en) | 1988-01-25 | 1988-01-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01113120U (en) |
-
1988
- 1988-01-25 JP JP702488U patent/JPH01113120U/ja active Pending