JPS61192534U - - Google Patents
Info
- Publication number
- JPS61192534U JPS61192534U JP7739685U JP7739685U JPS61192534U JP S61192534 U JPS61192534 U JP S61192534U JP 7739685 U JP7739685 U JP 7739685U JP 7739685 U JP7739685 U JP 7739685U JP S61192534 U JPS61192534 U JP S61192534U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- port
- cut
- stroke
- pressure
- 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
- 239000000446 fuel Substances 0.000 claims 2
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の第一実施例を示す断面図、第
２図は本考案の作用状態を示すカムリフト線図、
第３図は本考案の第二実施例の要部を示す断面図
である。
１…プランジヤバレル、３…ハイプレツシヤチ
ヤンバ、４…プランジヤ、７…第１カツトオフポ
ート、９…第１コントロールスリーブ、２７…ポ
ンプ室。
Fig. 1 is a sectional view showing the first embodiment of the present invention, Fig. 2 is a cam lift diagram showing the operating state of the invention,
FIG. 3 is a sectional view showing the main parts of a second embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Plunger barrel, 3... High pressure chamber, 4... Plunger, 7... First cut-off port, 9... First control sleeve, 27... Pump chamber.
Claims (1)
ジヤバレル内のハイプレツシヤチヤンバに連通す
る第１カツトオフポートを開口し、このカツトオ
フポートを開閉し、かつプランジヤの噴射始めを
制御する第１コントロールスリーブを、ポンプ室
内に圧送した燃料圧に応じて変位可能にしたこと
を特徴とする燃料噴射ポンプにおけるプランジヤ
のプリストローク可変機構。 A first cut-off port that communicates with a high-pressure chamber in the plunger barrel is opened on the circumferential surface of the plunger that can rotate and reciprocate, and a first control sleeve that opens and closes the cut-off port and controls the start of injection of the plunger. A variable pre-stroke mechanism for a plunger in a fuel injection pump, characterized in that the pre-stroke variable mechanism of a plunger can be displaced in accordance with the pressure of fuel pumped into a pump chamber.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7739685U JPS61192534U (en) | 1985-05-24 | 1985-05-24 | |
| DE19863617130 DE3617130A1 (en) | 1985-05-24 | 1986-05-22 | Prestroke adjusting mechanism for an injection plunger of a fuel injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7739685U JPS61192534U (en) | 1985-05-24 | 1985-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61192534U true JPS61192534U (en) | 1986-11-29 |
Family
ID=30620428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7739685U Pending JPS61192534U (en) | 1985-05-24 | 1985-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61192534U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5612049A (en) * | 1979-07-11 | 1981-02-05 | Nippon Denso Co Ltd | Distribution-type fuel injection pump |
| JPS5692328A (en) * | 1979-12-27 | 1981-07-27 | Diesel Kiki Co Ltd | Distribution-type fuel injection pump |
-
1985
- 1985-05-24 JP JP7739685U patent/JPS61192534U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5612049A (en) * | 1979-07-11 | 1981-02-05 | Nippon Denso Co Ltd | Distribution-type fuel injection pump |
| JPS5692328A (en) * | 1979-12-27 | 1981-07-27 | Diesel Kiki Co Ltd | Distribution-type fuel injection pump |