JPH0243424U - - Google Patents
Info
- Publication number
- JPH0243424U JPH0243424U JP12359288U JP12359288U JPH0243424U JP H0243424 U JPH0243424 U JP H0243424U JP 12359288 U JP12359288 U JP 12359288U JP 12359288 U JP12359288 U JP 12359288U JP H0243424 U JPH0243424 U JP H0243424U
- Authority
- JP
- Japan
- Prior art keywords
- glow
- glow plug
- cover
- view
- graph comparing
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 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使用状態で示した
縦断面図、第２図はグロープラグの他の実施例を
示す一部切断側面図、第３図は第１図に示す本考
案のグローカバーに絞りを設けたものと絞りのな
いものとの消費電力を比較したグラフ、第４図は
同じく正味燃費率を比較したグラフ、第５図はグ
ローカバーの開口部を変更した３種のグロープラ
グ例を示す部分側面図、第６図は第５図Ａに示す
グロープラグを用状態で示す縦断面図、第７図は
第５図Ａのグロープラグを使用した場合と、グロ
ープラグに孔のないグロープラグを使用した場合
との熱発生率を比較したグラフ、第８図はグロー
カバーの開口部を変更した、さらに別のグロープ
ラグを状態で示した縦断面図、第９図及び第１０
図は第８図のグロープラグと、グローカバーに余
剰噴霧追出孔のないグロープラグとを使用した場
合との熱発生率と、質量燃焼割合とを比較して示
したグラフで、第９図は低負荷、第１０図は高負
荷状態をそれぞれ示した図、第１１図は同じく第
８図のグロープラグとグローカバーに余剰噴霧追
出孔のないグロープラグとを使用した場合との正
味燃費率を比較したグラフである。
１……シリンダーヘツド、２……シリンダー、
３……ピストン、４……燃焼室、５……噴射ノズ
ル、６……グロープラグ、７……グローカバー、
８……間隙、９……開口部、１０……絞り。
Fig. 1 is a vertical sectional view showing one embodiment of the present invention in use, Fig. 2 is a partially cutaway side view showing another embodiment of the glow plug, and Fig. 3 is the invention shown in Fig. 1. Figure 4 is a graph comparing the net fuel efficiency, and Figure 5 is a graph comparing three types of glow covers with different openings. FIG. 6 is a longitudinal sectional view showing the glow plug shown in FIG. 5A in a used state, and FIG. 7 is a partial side view showing an example of the glow plug shown in FIG. 5A, and FIG. Figure 8 is a graph comparing the heat release rate with that of a glow plug without holes. Figure 8 is a vertical cross-sectional view of another glow plug with the glow cover opening changed. Figure 9 and 10th
The figure is a graph comparing the heat release rate and mass combustion rate when using the glow plug in Figure 8 and a glow plug without surplus spray exhaust holes in the glow cover. Figure 11 shows the net fuel efficiency when using the glow plug shown in Figure 8 and a glow plug without excess spray holes in the glow cover. This is a graph comparing the rates. 1...Cylinder head, 2...Cylinder,
3... Piston, 4... Combustion chamber, 5... Injection nozzle, 6... Glow plug, 7... Glow cover,
8... Gap, 9... Opening, 10... Aperture.
Claims (1)
ルエンジンの着火装置において、 上記グロープラグの外側に該グロープラグと所
定の間隙を有してグローカバーを設け、該グロー
カバーは先端部に開口部を有するとともに、内壁
に上記間隙を狭める絞りを設けたことを特徴とす
る、デイーゼルエンジンの着火装置。[Scope of Claim for Utility Model Registration] In an ignition device for a diesel engine in which a glow plug is provided in a combustion chamber, a glow cover is provided outside the glow plug with a predetermined gap from the glow plug, and the glow cover is An ignition device for a diesel engine, characterized in that it has an opening at its tip and a throttle that narrows the gap on its inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12359288U JPH0243424U (en) | 1988-09-20 | 1988-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12359288U JPH0243424U (en) | 1988-09-20 | 1988-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0243424U true JPH0243424U (en) | 1990-03-26 |
Family
ID=31372580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12359288U Pending JPH0243424U (en) | 1988-09-20 | 1988-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0243424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02101029U (en) * | 1989-01-31 | 1990-08-10 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS592924B2 (en) * | 1978-10-31 | 1984-01-21 | 松下電工株式会社 | Sequencer input/output control circuit |
| JPS6349175B2 (en) * | 1981-05-29 | 1988-10-03 | Tokyo Shibaura Electric Co |
-
1988
- 1988-09-20 JP JP12359288U patent/JPH0243424U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS592924B2 (en) * | 1978-10-31 | 1984-01-21 | 松下電工株式会社 | Sequencer input/output control circuit |
| JPS6349175B2 (en) * | 1981-05-29 | 1988-10-03 | Tokyo Shibaura Electric Co |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02101029U (en) * | 1989-01-31 | 1990-08-10 |
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