JPH0191019U - - Google Patents
Info
- Publication number
- JPH0191019U JPH0191019U JP18598287U JP18598287U JPH0191019U JP H0191019 U JPH0191019 U JP H0191019U JP 18598287 U JP18598287 U JP 18598287U JP 18598287 U JP18598287 U JP 18598287U JP H0191019 U JPH0191019 U JP H0191019U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- passage
- exhaust
- predetermined temperature
- bypass passage
- 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
- 230000003197 catalytic effect Effects 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 2
- 239000003054 catalyst Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図は本考案の一実施例を示す排気浄化装置
の系統図、第２図は同上実施例の切換領域を示す
線図、第３図は従来例を示す排気浄化装置の形統
図である。
２１……触媒コンバータ、２２……排気主通路
、２３……バイパス通路、２４……触媒付トラツ
プ、２５……切換弁、２６……ダイヤフラム、２
７……電磁弁、２８……制御装置、２９……排温
センサ。
Fig. 1 is a system diagram of an exhaust purification device showing an embodiment of the present invention, Fig. 2 is a line diagram showing switching areas of the same embodiment, and Fig. 3 is a system diagram of an exhaust purification device showing a conventional example. be. 21...Catalytic converter, 22...Exhaust main passage, 23...Bypass passage, 24...Catalytic trap, 25...Switching valve, 26...Diaphragm, 2
7... Solenoid valve, 28... Control device, 29... Exhaust temperature sensor.
Claims (1)
気通路に装着した内燃機関において、前記触媒コ
ンバータの下流の排気通路にバイパス通路を設け
て、このバイパス通路の途中に排気中の未燃成分
を吸着するトラツプを介装し、且つこのトラツプ
に触媒を担持させ、排気温度が第１の所定温度以
下の時とこれより高い第２の所定温度以上の時と
に、排気の流れをバイパス通路へ導くように作動
する通路切換装置を設けたことを特徴とする内燃
機関の排気浄化装置。 In an internal combustion engine equipped with a catalytic converter installed in the exhaust passage for purifying exhaust gas from the engine, a bypass passage is provided in the exhaust passage downstream of the catalytic converter, and a trap is provided in the middle of the bypass passage for adsorbing unburned components in the exhaust gas. and a catalyst is supported on the trap, so that the exhaust flow is guided to the bypass passage when the exhaust gas temperature is below a first predetermined temperature and when it is above a second predetermined temperature higher than the first predetermined temperature. An exhaust gas purification device for an internal combustion engine, characterized by being provided with an actuated passage switching device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18598287U JPH0191019U (en) | 1987-12-08 | 1987-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18598287U JPH0191019U (en) | 1987-12-08 | 1987-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0191019U true JPH0191019U (en) | 1989-06-15 |
Family
ID=31477235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18598287U Pending JPH0191019U (en) | 1987-12-08 | 1987-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0191019U (en) |
-
1987
- 1987-12-08 JP JP18598287U patent/JPH0191019U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0191019U (en) | ||
| JPH0475124U (en) | ||
| JPH0319420U (en) | ||
| JPS61173712U (en) | ||
| JPS6231710U (en) | ||
| JPS61147318U (en) | ||
| JPS6321718U (en) | ||
| JPS61181814U (en) | ||
| JPS61118910U (en) | ||
| JPH01174509U (en) | ||
| JPH0317113U (en) | ||
| JPS643032U (en) | ||
| JPH03104138U (en) | ||
| JPH0444423U (en) | ||
| JPH0337226U (en) | ||
| JPS6162219U (en) | ||
| JPH0383316U (en) | ||
| JPS61108819U (en) | ||
| JPH0243413U (en) | ||
| JPH0419642U (en) | ||
| JPH03119518U (en) | ||
| JPS62119415U (en) | ||
| JPS6117416U (en) | Internal combustion engine exhaust particulate treatment device | |
| JPS59148413U (en) | Internal combustion engine exhaust gas purification device | |
| JPH0246056U (en) |