JPH0212047U - - Google Patents
Info
- Publication number
- JPH0212047U JPH0212047U JP8944888U JP8944888U JPH0212047U JP H0212047 U JPH0212047 U JP H0212047U JP 8944888 U JP8944888 U JP 8944888U JP 8944888 U JP8944888 U JP 8944888U JP H0212047 U JPH0212047 U JP H0212047U
- Authority
- JP
- Japan
- Prior art keywords
- glow plug
- valve
- exhaust gas
- intake valve
- diesel engine
- 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
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 15
- 239000000446 fuel Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Description
第１図は本考案を適用したグロープラグ点火式
メタノールデイーゼルエンジンの燃焼室の一実施
例を示す構成図、第２図は第１図の矢線−方
向に沿う断面図、第３図は第１図のグロープラグ
点火式メタノールデイーゼルエンジンの吸・排気
弁及びＥＧＲ吸気弁の開閉時期を示すタイミング
チヤートである。
１……燃焼室、２……吸気ポート、３……主排
気ポート、４……ＥＧＲ吸気ポート、５……燃料
噴射ノズル、６……グロープラグ、７……主吸気
弁、８……排気弁、９……ＥＧＲ吸気弁、１０…
…シユラウド。
Fig. 1 is a configuration diagram showing an embodiment of the combustion chamber of a glow plug ignition methanol diesel engine to which the present invention is applied, Fig. 2 is a cross-sectional view along the direction of the arrow in Fig. 1, and Fig. 1 is a timing chart showing the opening/closing timing of the intake/exhaust valves and the EGR intake valve of the glow plug ignition type methanol diesel engine shown in FIG. 1...Combustion chamber, 2...Intake port, 3...Main exhaust port, 4...EGR intake port, 5...Fuel injection nozzle, 6...Glow plug, 7...Main intake valve, 8...Exhaust Valve, 9... EGR intake valve, 10...
…Shuroud.
Claims (1)
ラグを備えるグロープラグ点火式メタノールデイ
ーゼルエンジンにおいて、前記グロープラグの近
傍に排気ガスの一部を筒内に導入するＥＧＲ吸気
弁を設けると共に当該ＥＧＲ吸気弁の弁傘に導入
せる排気ガスを前記グロープラグの方向に導くシ
ユラウドを設け、動弁機構により主吸気弁の閉弁
時期付近において所定期間開弁させて新気の後か
ら排気ガスを筒内に導入させることを特徴とする
グロープラグ点火式メタノールデイーゼルエンジ
ン。 In a glow plug ignition methanol diesel engine that uses methanol as fuel and includes a glow plug as an ignition source, an EGR intake valve for introducing a part of exhaust gas into the cylinder is provided near the glow plug, and a valve of the EGR intake valve is provided. A shroud is provided to guide the exhaust gas to be introduced into the umbrella in the direction of the glow plug, and a valve mechanism opens the main intake valve for a predetermined period of time near the valve closing time to introduce the exhaust gas into the cylinder after fresh air. A glow plug ignition methanol diesel engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8944888U JPH0212047U (en) | 1988-07-07 | 1988-07-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8944888U JPH0212047U (en) | 1988-07-07 | 1988-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0212047U true JPH0212047U (en) | 1990-01-25 |
Family
ID=31313998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8944888U Pending JPH0212047U (en) | 1988-07-07 | 1988-07-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0212047U (en) |
-
1988
- 1988-07-07 JP JP8944888U patent/JPH0212047U/ja active Pending
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