JPH0214425U - - Google Patents
Info
- Publication number
- JPH0214425U JPH0214425U JP9065588U JP9065588U JPH0214425U JP H0214425 U JPH0214425 U JP H0214425U JP 9065588 U JP9065588 U JP 9065588U JP 9065588 U JP9065588 U JP 9065588U JP H0214425 U JPH0214425 U JP H0214425U
- Authority
- JP
- Japan
- Prior art keywords
- cavity
- spark plug
- combustion engine
- internal combustion
- ignition internal
- 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
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 2
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Description
第１図乃至第４図は本考案に係る直噴式火花点
火内燃機関の第一実施例を示し、第１図はその断
面図、第２図はピストンの平面図、第３図はピス
トン頂面の要部拡大斜視図、第４図はピストン頂
面の要部拡大断面図、第５図及び第６図は本考案
の第二実施例を示し、第５図はその断面図、第６
図はピストンの平面図、第７図乃至第１０図は、
夫々、従来の直噴式火花点火内燃機関の断面図で
ある。
１……燃料噴射ノズル、３……点火プラグ、４
１，５３……ピストン、４１ａ，５３ａ……頂面
、４３，５５……キヤビテイ、４３ａ，４３ｂ，
５５ａ……底面、４５，５７……凹部、Ｓ……ス
ワール。
1 to 4 show a first embodiment of a direct injection spark ignition internal combustion engine according to the present invention, FIG. 1 is a sectional view thereof, FIG. 2 is a plan view of the piston, and FIG. 3 is a top view of the piston. FIG. 4 is an enlarged sectional view of the main part of the top surface of the piston, FIGS. 5 and 6 show a second embodiment of the present invention, FIG. 5 is a sectional view thereof, and FIG.
The figure is a plan view of the piston, and Figures 7 to 10 are
FIG. 1 is a cross-sectional view of a conventional direct injection spark ignition internal combustion engine. 1...Fuel injection nozzle, 3...Spark plug, 4
1, 53... Piston, 41a, 53a... Top surface, 43, 55... Cavity, 43a, 43b,
55a...bottom, 45, 57...recess, S...swirl.
Claims (1)
テイ内に燃料噴射ノズルと点火プラグを臨ませた
直噴式火花点火内燃機関に於て、上記点火プラグ
近傍のキヤビテイ底面を他の部位のキヤビテイ底
面よりも浅く形成すると共に、浅く形成した当該
キヤビテイ底面に小径の凹部を形成し、当該凹部
内に点火プラグの先端を挿入したことを特徴とす
る直噴式火花点火内燃機関。 In a direct injection spark ignition internal combustion engine in which a cavity is provided on the top surface of the piston and a fuel injection nozzle and a spark plug are exposed inside the cavity, the bottom surface of the cavity near the spark plug is formed to be shallower than the bottom surface of the cavity in other parts. A direct injection spark ignition internal combustion engine characterized in that a small diameter recess is formed in the shallow bottom of the cavity, and a tip of a spark plug is inserted into the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9065588U JPH0214425U (en) | 1988-07-08 | 1988-07-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9065588U JPH0214425U (en) | 1988-07-08 | 1988-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0214425U true JPH0214425U (en) | 1990-01-30 |
Family
ID=31315169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9065588U Pending JPH0214425U (en) | 1988-07-08 | 1988-07-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0214425U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52130358U (en) * | 1976-03-27 | 1977-10-04 |
-
1988
- 1988-07-08 JP JP9065588U patent/JPH0214425U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52130358U (en) * | 1976-03-27 | 1977-10-04 |