JPH0457629U - - Google Patents
Info
- Publication number
- JPH0457629U JPH0457629U JP9909390U JP9909390U JPH0457629U JP H0457629 U JPH0457629 U JP H0457629U JP 9909390 U JP9909390 U JP 9909390U JP 9909390 U JP9909390 U JP 9909390U JP H0457629 U JPH0457629 U JP H0457629U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- cylinder bore
- diesel engine
- glow plug
- wall portion
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 2
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図〜第５図は本考案の実施例を示すもので
、第１図はデイーゼルエンジンの要部縦断面図、
第２図はシリンダヘツドの底面図、第３図は第１
図−線断面図、第４図は吸気ポートの下流端
付近の要部縦断面図、第５図は第４図−線断
面図、第６図は従来技術におけるクランク回転角
度とグロープラグの温度との関係を示す線図であ
る。
ＤＥ……デイーゼルエンジン、１……シリンダ
ヘツド、２……シリンダボア、３……吸気ポート
、９……グロープラグ、１４……周壁部、１４ａ
……規制壁部、１４ｂ……テーパ壁部。
Figures 1 to 5 show an embodiment of the present invention, and Figure 1 is a vertical sectional view of the main parts of a diesel engine;
Figure 2 is a bottom view of the cylinder head, Figure 3 is the bottom view of the cylinder head.
Fig. 4 is a longitudinal sectional view of the main part near the downstream end of the intake port, Fig. 5 is a sectional view of main parts in the vicinity of the downstream end of the intake port, Fig. 6 is a sectional view of the crank rotation angle and glow plug temperature in the conventional technology. FIG. DE... Diesel engine, 1... Cylinder head, 2... Cylinder bore, 3... Intake port, 9... Glow plug, 14... Peripheral wall, 14a
...Regulation wall portion, 14b...Tapered wall portion.
Claims (1)
る吸気ポートが形成され、この吸気ポートの近傍
にシリンダボア内へ延びるグロープラグが設けら
れたデイーゼルエンジンにおいて、 上記シリンダヘツドの吸気ポートの下流端部を
形成する周壁部のうちのグロープラグに近接した
壁部に、グロープラグ側への吸気の流れを規制す
る規制壁部が形成されていることを特徴とするデ
イーゼルエンジンのシリンダヘツド。 (2) 上記周壁部のうちのシリンダボアの外周側
の壁部に、下方にいく程シリンダボア外周側へ拡
大するテーパ壁部が形成されていることを特徴と
する第１請求項に記載のデイーゼルエンジンのシ
リンダヘツド。[Claims for Utility Model Registration] (1) In a diesel engine in which an intake port opening into the cylinder bore is formed in the cylinder head, and a glow plug extending into the cylinder bore is provided near the intake port, A cylinder for a diesel engine, characterized in that a regulating wall for regulating the flow of intake air toward the glow plug is formed on a wall near the glow plug of the peripheral wall forming the downstream end of the port. Head. (2) The diesel engine according to claim 1, wherein a tapered wall portion that expands toward the outer circumferential side of the cylinder bore as it goes downward is formed on a wall portion of the peripheral wall portion on the outer circumferential side of the cylinder bore. cylinder head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990099093U JP2528566Y2 (en) | 1990-09-22 | 1990-09-22 | Diesel engine cylinder head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990099093U JP2528566Y2 (en) | 1990-09-22 | 1990-09-22 | Diesel engine cylinder head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0457629U true JPH0457629U (en) | 1992-05-18 |
| JP2528566Y2 JP2528566Y2 (en) | 1997-03-12 |
Family
ID=31840762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990099093U Expired - Lifetime JP2528566Y2 (en) | 1990-09-22 | 1990-09-22 | Diesel engine cylinder head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2528566Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7319208B2 (en) | 2002-05-14 | 2008-01-15 | Ngk Spark Plug Co., Ltd. | Controller and glow plug for controlling energization modes |
-
1990
- 1990-09-22 JP JP1990099093U patent/JP2528566Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7319208B2 (en) | 2002-05-14 | 2008-01-15 | Ngk Spark Plug Co., Ltd. | Controller and glow plug for controlling energization modes |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2528566Y2 (en) | 1997-03-12 |