JPS62122125U - - Google Patents
Info
- Publication number
- JPS62122125U JPS62122125U JP779086U JP779086U JPS62122125U JP S62122125 U JPS62122125 U JP S62122125U JP 779086 U JP779086 U JP 779086U JP 779086 U JP779086 U JP 779086U JP S62122125 U JPS62122125 U JP S62122125U
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- passage
- main
- fuel
- nozzle
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims description 17
- 239000000446 fuel Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の内燃機関の燃焼室の好適一実
施例を示す概略縦断面図、第２図は第１図の上面
図、第３図は断熱層を燃料通路に形成した例を示
す概略断面図、第４図は従来例を示す概略縦断面
図である。
図中１はシリンダヘツド、２はシリンダボデイ
、３はピストン、５は主燃焼室、７は渦流室、８
は空気導入通路、１１は燃料噴射ノズル、１３は
副噴口、１４は主噴口、１５は燃料通路、２０は
断熱層である。
FIG. 1 is a schematic vertical sectional view showing a preferred embodiment of the combustion chamber of an internal combustion engine of the present invention, FIG. 2 is a top view of FIG. 1, and FIG. 3 is an example in which a heat insulating layer is formed in the fuel passage. Schematic sectional view, FIG. 4 is a schematic vertical sectional view showing a conventional example. In the figure, 1 is the cylinder head, 2 is the cylinder body, 3 is the piston, 5 is the main combustion chamber, 7 is the swirl chamber, 8
11 is an air introduction passage, 11 is a fuel injection nozzle, 13 is a sub-nozzle, 14 is a main nozzle, 15 is a fuel passage, and 20 is a heat insulating layer.
Claims (1)
流室とを空気導入通路を介して連通し、該導入通
路を分岐させて主燃焼室に燃料を案内する燃料通
路を形成すると共に、該燃料通路に主噴口を、上
記渦流室に副噴口を夫々臨ませて燃焼噴射ノズル
を配設したことを特徴とする内燃機関の燃焼室。 (2) 上記燃料通路が上記導入通路の略中間より
分岐されて上記主燃焼室の内壁に臨んで形成され
ると共に上記導入通路の通路断面積が上記燃料通
路の通路断面積より大きく形成されると共に、導
入通路及び燃料通路の通路内壁が上記断熱層にて
被覆形成された上記実用新案登録請求の範囲第１
項記載の内燃機関の燃焼室。 (3) 上記断熱層がセラミツクから形成された上
記実用新案登録請求の範囲第１項または第２項記
載の内燃機関の燃焼室。 (4) 上記燃料通路が上記ノズルの主噴口の傾斜
方向に沿つて且つ対峙して形成された上記実用新
案登録請求の範囲第１項または第２項記載の内燃
機関の燃焼室。 (5) 上記燃料噴射ノズルの副噴口が主噴口に対
して先行して開放されるように構成された上記実
用新案登録請求の範囲第１項または第４項記載の
内燃機関の燃焼室。[Scope of Claim for Utility Model Registration] (1) The main combustion chamber and the swirl chamber whose inner wall is coated with a heat insulating layer are communicated through an air introduction passage, and the introduction passage is branched to guide fuel to the main combustion chamber. 1. A combustion chamber for an internal combustion engine, characterized in that a combustion injection nozzle is provided with a main injection port facing the fuel passage and a sub injection port facing the swirl chamber. (2) The fuel passage is branched from approximately the middle of the introduction passage and is formed facing the inner wall of the main combustion chamber, and the passage cross-sectional area of the introduction passage is larger than the passage cross-sectional area of the fuel passage. In addition, the inner walls of the introduction passage and the fuel passage are coated with the heat insulating layer, as claimed in claim 1 of the above-mentioned utility model registration.
Combustion chamber of the internal combustion engine described in Section. (3) The combustion chamber of an internal combustion engine according to claim 1 or 2, wherein the heat insulating layer is made of ceramic. (4) The combustion chamber of an internal combustion engine according to claim 1 or 2, wherein the fuel passage is formed along the inclination direction of the main injection port of the nozzle and facing each other. (5) The combustion chamber of the internal combustion engine according to claim 1 or 4, wherein the auxiliary nozzle of the fuel injection nozzle is opened before the main nozzle is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986007790U JPH0640901Y2 (en) | 1986-01-24 | 1986-01-24 | Combustion chamber of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986007790U JPH0640901Y2 (en) | 1986-01-24 | 1986-01-24 | Combustion chamber of internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62122125U true JPS62122125U (en) | 1987-08-03 |
| JPH0640901Y2 JPH0640901Y2 (en) | 1994-10-26 |
Family
ID=30791570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986007790U Expired - Lifetime JPH0640901Y2 (en) | 1986-01-24 | 1986-01-24 | Combustion chamber of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0640901Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57176620U (en) * | 1981-04-30 | 1982-11-08 | ||
| JPS5847114A (en) * | 1981-09-16 | 1983-03-18 | Nissan Motor Co Ltd | Eddy-current chamber type diesel engine |
-
1986
- 1986-01-24 JP JP1986007790U patent/JPH0640901Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57176620U (en) * | 1981-04-30 | 1982-11-08 | ||
| JPS5847114A (en) * | 1981-09-16 | 1983-03-18 | Nissan Motor Co Ltd | Eddy-current chamber type diesel engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0640901Y2 (en) | 1994-10-26 |
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