JPH024954U - - Google Patents
Info
- Publication number
- JPH024954U JPH024954U JP8369188U JP8369188U JPH024954U JP H024954 U JPH024954 U JP H024954U JP 8369188 U JP8369188 U JP 8369188U JP 8369188 U JP8369188 U JP 8369188U JP H024954 U JPH024954 U JP H024954U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cavity
- direct
- diesel engine
- injection diesel
- 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
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 238000005480 shot peening Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は本考案の一実施例を示すピストン平面
図、第２図は従来例を示すピストン側断面図、第
３図はピストンの温度分布図である。
１はピストン、２はキヤビテイ、４はキヤビテ
イエツジ部、５は環状部を示す。
FIG. 1 is a plan view of a piston showing an embodiment of the present invention, FIG. 2 is a sectional side view of a piston showing a conventional example, and FIG. 3 is a temperature distribution diagram of the piston. 1 is a piston, 2 is a cavity, 4 is a cavity edge portion, and 5 is an annular portion.
Claims (1)
ンジンのピストンに於いて、ピストン頂面に、シ
ヨツトピーニングにより所望の圧縮残留応力を生
じせしめた環状部を、前記キヤビテイより大径で
且つ該キヤビテイと同心状となるよう形成したこ
とを特徴とする直噴式デイーゼルエンジンのピス
トン。 In a direct-injection diesel engine piston having a cavity at the top, an annular portion having a diameter larger than the cavity and concentric with the cavity is provided on the top surface of the piston to generate a desired compressive residual stress by shot peening. A piston for a direct-injection diesel engine that is characterized by its shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8369188U JPH055240Y2 (en) | 1988-06-24 | 1988-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8369188U JPH055240Y2 (en) | 1988-06-24 | 1988-06-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH024954U true JPH024954U (en) | 1990-01-12 |
| JPH055240Y2 JPH055240Y2 (en) | 1993-02-10 |
Family
ID=31308405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8369188U Expired - Lifetime JPH055240Y2 (en) | 1988-06-24 | 1988-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH055240Y2 (en) |
-
1988
- 1988-06-24 JP JP8369188U patent/JPH055240Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH055240Y2 (en) | 1993-02-10 |