JPH0310025U - - Google Patents
Info
- Publication number
- JPH0310025U JPH0310025U JP7110989U JP7110989U JPH0310025U JP H0310025 U JPH0310025 U JP H0310025U JP 7110989 U JP7110989 U JP 7110989U JP 7110989 U JP7110989 U JP 7110989U JP H0310025 U JPH0310025 U JP H0310025U
- Authority
- JP
- Japan
- Prior art keywords
- catalyst device
- valve
- bypass passage
- inlet side
- exhaust
- 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 8
- 238000011144 upstream manufacturing Methods 0.000 claims 4
- 238000011084 recovery Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図は本考案の一実施例を示す全体システム
図、第２図および第３図は同実施例の作動状態説
明図、第４図は同実施例の制御を実行するフロー
チヤートである。
１……エンジン、１０……排気通路、１１……
熱交換器、１２……触媒装置、１３……バイパス
通路、１４……連通路、１６，１７……開閉バル
ブ、１９……コントロールユニツト。
FIG. 1 is an overall system diagram showing an embodiment of the present invention, FIGS. 2 and 3 are diagrams illustrating the operating state of the embodiment, and FIG. 4 is a flowchart for executing control of the embodiment. 1...Engine, 10...Exhaust passage, 11...
Heat exchanger, 12...Catalyst device, 13...Bypass passage, 14...Communication passage, 16, 17...Opening/closing valve, 19...Control unit.
Claims (1)
排気回収器を備えた定置式エンジンにおいて、排
気通路に、触媒装置と、該触媒装置を迂回するバ
イパス通路と、該バイパス通路と前記触媒装置の
上流部とを連通する連通路を設けるとともに、少
なくとも前記触媒装置の入口側と前記バイパス通
路の上流部とに開閉バルブを設け、エンジン始動
後の所定期間は前記触媒装置入口側の開閉バルブ
を閉じて前記バイパス通路上流部の開閉バルブを
開き、その後は前記触媒装置入口側の開閉バルブ
を開いて前記バイパス通路上流部の開閉バルブを
閉じる手段を設けたことを特徴とする定置式エン
ジンの排気装置。 In a stationary engine equipped with an exhaust gas recovery device for utilizing exhaust heat as a heat source for an external device, the exhaust passage includes a catalyst device, a bypass passage that bypasses the catalyst device, and an upstream side of the bypass passage and the catalyst device. A communication passage communicating with the catalyst device is provided, and an on-off valve is provided at least on the inlet side of the catalyst device and an upstream portion of the bypass passage, and the on-off valve on the inlet side of the catalyst device is closed for a predetermined period after the engine starts. An exhaust system for a stationary engine, comprising means for opening an on-off valve at an upstream portion of the bypass passage, and then opening an on-off valve at an inlet side of the catalyst device to close the on-off valve at an upstream side of the bypass passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7110989U JPH0310025U (en) | 1989-06-17 | 1989-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7110989U JPH0310025U (en) | 1989-06-17 | 1989-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0310025U true JPH0310025U (en) | 1991-01-30 |
Family
ID=31607848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7110989U Pending JPH0310025U (en) | 1989-06-17 | 1989-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0310025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021032097A (en) * | 2019-08-21 | 2021-03-01 | 日産自動車株式会社 | Fuel reforming method and fuel reforming device |
-
1989
- 1989-06-17 JP JP7110989U patent/JPH0310025U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021032097A (en) * | 2019-08-21 | 2021-03-01 | 日産自動車株式会社 | Fuel reforming method and fuel reforming device |