JPS5474011A - Combustion chamber for diesel engine - Google Patents
Combustion chamber for diesel engineInfo
- Publication number
- JPS5474011A JPS5474011A JP13982377A JP13982377A JPS5474011A JP S5474011 A JPS5474011 A JP S5474011A JP 13982377 A JP13982377 A JP 13982377A JP 13982377 A JP13982377 A JP 13982377A JP S5474011 A JPS5474011 A JP S5474011A
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- lip part
- length
- flow
- 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
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
PURPOSE: To prevent the blow-up, improve the combustion efficiency and reduce the quantity of black smoke and NOx, by making a combustion chamber in an appropriate from.
CONSTITUTION: A lip part 13 is provided on the peripheral edge of inlet part of the combustion chamber so that the lip part extends toward the center. The outer diameter D (mm) of a pistion 8, the length d (mm) of the lip part and the vertical angle α° of a conical projection 14 provided on the bottom of the cumbustion chamber are related to one another as d=(0.002W0.02)D and 2000d/D+40<α<1500d/ D+120. A vortrical flow U is caused and maintained by the projection 14. When the piston 8 is in the expansion process, the reverse skish flow V is surely weakened. Therefore, the amount of black smoke is reduced. The length d and the angle α° are determined depending on data.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13982377A JPS5474011A (en) | 1977-11-24 | 1977-11-24 | Combustion chamber for diesel engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13982377A JPS5474011A (en) | 1977-11-24 | 1977-11-24 | Combustion chamber for diesel engine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5474011A true JPS5474011A (en) | 1979-06-13 |
Family
ID=15254293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13982377A Pending JPS5474011A (en) | 1977-11-24 | 1977-11-24 | Combustion chamber for diesel engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5474011A (en) |
-
1977
- 1977-11-24 JP JP13982377A patent/JPS5474011A/en active Pending
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