JPS63125172U - - Google Patents
Info
- Publication number
- JPS63125172U JPS63125172U JP1719387U JP1719387U JPS63125172U JP S63125172 U JPS63125172 U JP S63125172U JP 1719387 U JP1719387 U JP 1719387U JP 1719387 U JP1719387 U JP 1719387U JP S63125172 U JPS63125172 U JP S63125172U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- diesel engine
- air supply
- direct injection
- fuel valve
- 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
- 239000000446 fuel Substances 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第1図は本考案による1実施例の燃料弁の噴孔
部を示す断面図、第2図は第1図の噴孔の配置を
示す平面図、第3図は本考案による燃料噴霧の発
達状況を示すデイーゼルエンジンの断面図、第4
図は第3図のA―A矢視図、第5図は従来のデイ
ーゼルエンジンの燃焼室内の燃料噴霧の発達状況
を示すデイーゼルエンジンの断面図、第6図は第
5図のA―A矢視図、第7図は従来の燃料弁の噴
孔部を示す断面図、第8図は第7図の噴孔の配置
を示す平面図である。
102……小噴孔、103……大噴孔、200
……給気スワール、31……大噴孔による噴霧、
32……小噴孔による噴霧。
Fig. 1 is a sectional view showing the nozzle hole portion of a fuel valve according to an embodiment of the present invention, Fig. 2 is a plan view showing the arrangement of the nozzle holes in Fig. 1, and Fig. 3 is a development of fuel spray according to the present invention. Sectional view of a diesel engine showing the situation, No. 4
The figure is a view taken along arrow A-A in Figure 3, Figure 5 is a sectional view of a diesel engine showing the development of fuel spray in the combustion chamber of a conventional diesel engine, and Figure 6 is a view taken along arrow A-A in Figure 5. 7 is a sectional view showing the nozzle hole portion of a conventional fuel valve, and FIG. 8 is a plan view showing the arrangement of the nozzle holes in FIG. 7. 102...Small nozzle hole, 103...Large nozzle hole, 200
... Air supply swirl, 31 ... Spray from large nozzle hole,
32...Spraying from small nozzle holes.
Claims (1)
により燃料噴霧火炎を形成させ燃焼させる直接噴
射式デイーゼルエンジンにおいて、大噴孔と小噴
孔とからなる燃料弁と給気スワールを生成する給
気系とを備えたことを特徴とする直接噴射式デイ
ーゼルエンジン。 In a direct injection diesel engine that has a fuel valve approximately in the center of the combustion chamber and uses a multi-nozzle nozzle to form a fuel spray flame and burn it, the fuel valve consists of large nozzle holes and small nozzle holes and generates an air supply swirl. A direct injection diesel engine characterized by being equipped with an air supply system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987017193U JPH057502Y2 (en) | 1987-02-10 | 1987-02-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987017193U JPH057502Y2 (en) | 1987-02-10 | 1987-02-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63125172U true JPS63125172U (en) | 1988-08-16 |
JPH057502Y2 JPH057502Y2 (en) | 1993-02-25 |
Family
ID=30809728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987017193U Expired - Lifetime JPH057502Y2 (en) | 1987-02-10 | 1987-02-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH057502Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04132457U (en) * | 1991-05-24 | 1992-12-08 | 株式会社ゼクセル | fuel injection nozzle |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4549222B2 (en) * | 2005-04-19 | 2010-09-22 | ヤンマー株式会社 | Direct spray diesel engine |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS474083U (en) * | 1971-01-29 | 1972-09-08 |
-
1987
- 1987-02-10 JP JP1987017193U patent/JPH057502Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS474083U (en) * | 1971-01-29 | 1972-09-08 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04132457U (en) * | 1991-05-24 | 1992-12-08 | 株式会社ゼクセル | fuel injection nozzle |
Also Published As
Publication number | Publication date |
---|---|
JPH057502Y2 (en) | 1993-02-25 |