JPS62770U - - Google Patents
Info
- Publication number
- JPS62770U JPS62770U JP9343885U JP9343885U JPS62770U JP S62770 U JPS62770 U JP S62770U JP 9343885 U JP9343885 U JP 9343885U JP 9343885 U JP9343885 U JP 9343885U JP S62770 U JPS62770 U JP S62770U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- notch
- shaft
- pressure adjustment
- fuel feed
- 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
- 239000000446 fuel Substances 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
- 239000003921 oil Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 1
Landscapes
- High-Pressure Fuel Injection Pump Control (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案になる分配型燃料噴射ポンプの
燃料送油圧調整装置の一実施例の構成を示す縦断
面図、第２図は従来の分配型燃料噴射ポンプの燃
料送油圧調整装置の縦断面図、第３図のａ，ｂは
本考案になる燃料送油圧調整装置の作用を説明す
る図で、第３図ａは内圧特性図、第３図ｂはボデ
ーの連通孔の状態を示す図、第４図は第１図図示
の本考案装置におけるピストンの詳細図、第５図
は第１図図示の本考案装置におけるシヤフトの詳
細図、第６図は本考案になる燃料送油圧調整装置
が適用される分配型燃料噴射ポンプの全体構成を
示す縦断面図、第７図は従来の燃料送油圧調整装
置を説明するための模式図、第８図は従来の燃料
送油圧調整装置の内圧特性図、第９図、第１０図
は本考案になる燃料送油圧調整装置におけるピス
トンの切り欠き３ｂの他の実施例の構成図である
。
１……ボデー、２……プラグ、３……ピストン
、４……スプリング、９……シヤフト、３ａ，３
ｂ……切り欠き、１１……燃料送油圧調整装置、
１２……フイードポンプ、１３……連通孔。
Fig. 1 is a longitudinal cross-sectional view showing the configuration of an embodiment of the fuel feed pressure adjustment device for a distribution type fuel injection pump according to the present invention, and Fig. 2 is a longitudinal cross section of a conventional fuel feed pressure adjustment device for a distribution type fuel injection pump. 3A and 3B are diagrams explaining the action of the fuel feed pressure adjusting device according to the present invention, FIG. 3A is an internal pressure characteristic diagram, and FIG. 3B is a diagram showing the state of the communication hole in the body Fig. 4 is a detailed view of the piston in the device of the present invention shown in Fig. 1, Fig. 5 is a detailed view of the shaft in the device of the invention shown in Fig. 1, and Fig. 6 is a fuel oil pressure adjustment according to the invention. A longitudinal cross-sectional view showing the overall configuration of a distribution type fuel injection pump to which the device is applied, FIG. 7 is a schematic diagram for explaining a conventional fuel feed pressure adjustment device, and FIG. 8 is a diagram of a conventional fuel feed pressure adjustment device. The internal pressure characteristic diagrams, FIGS. 9 and 10 are configuration diagrams of other embodiments of the notch 3b of the piston in the fuel feed oil pressure adjusting device according to the present invention. 1...Body, 2...Plug, 3...Piston, 4...Spring, 9...Shaft, 3a, 3
b...Notch, 11...Fuel feed oil pressure adjustment device,
12...Feed pump, 13...Communication hole.
Claims (1)
フト９の下部先端を前記ピストン３の上面に設け
た切り欠き３ａに係合させ、前記シヤフト９の外
部より回転させることによりピストン３を回転さ
せて、前記ピストン３の切り欠き３ｂとボデー１
の連通孔１３との連通面積を可変にしたことを特
徴とする分配型燃料噴射ポンプの燃料送油圧調整
装置。 A notch 3b is provided on the lower surface of the piston 3, the lower end of the shaft 9 is engaged with the notch 3a provided on the upper surface of the piston 3, and the piston 3 is rotated by rotating from the outside of the shaft 9, Notch 3b of the piston 3 and body 1
A fuel feed pressure adjustment device for a distribution type fuel injection pump, characterized in that a communication area with a communication hole 13 is made variable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9343885U JPH0355806Y2 (en) | 1985-06-20 | 1985-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9343885U JPH0355806Y2 (en) | 1985-06-20 | 1985-06-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62770U true JPS62770U (en) | 1987-01-06 |
| JPH0355806Y2 JPH0355806Y2 (en) | 1991-12-12 |
Family
ID=30651120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9343885U Expired JPH0355806Y2 (en) | 1985-06-20 | 1985-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0355806Y2 (en) |
-
1985
- 1985-06-20 JP JP9343885U patent/JPH0355806Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0355806Y2 (en) | 1991-12-12 |