JPS6298737U - - Google Patents
Info
- Publication number
- JPS6298737U JPS6298737U JP19235785U JP19235785U JPS6298737U JP S6298737 U JPS6298737 U JP S6298737U JP 19235785 U JP19235785 U JP 19235785U JP 19235785 U JP19235785 U JP 19235785U JP S6298737 U JPS6298737 U JP S6298737U
- Authority
- JP
- Japan
- Prior art keywords
- load position
- governor
- control port
- passage
- governor sleeve
- 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 description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- High-Pressure Fuel Injection Pump Control (AREA)
- Fuel-Injection Apparatus (AREA)
Description
図面は本考案の実施例を示し、第１図は燃料噴
射ポンプの噴射時期制御装置の要部構成図、第２
図はエンジン負荷と進角量との関係を示す図、第
３図ａ〜ｅはそれぞれ動作の説明図である。
３……ガバナシヤフト、４……ガバナスリーブ
、５……リリーフ通路、６……流量制御弁、７…
…第１通路、８……第２通路、１１……制御ポー
ト。
The drawings show an embodiment of the present invention, and FIG. 1 is a configuration diagram of main parts of an injection timing control device for a fuel injection pump,
The figure is a diagram showing the relationship between the engine load and the advance angle amount, and FIGS. 3 a to 3 e are explanatory diagrams of the operation, respectively. 3... Governor shaft, 4... Governor sleeve, 5... Relief passage, 6... Flow rate control valve, 7...
...first passage, 8...second passage, 11...control port.
Claims (1)
ナシヤフトに形成され、該リリーフ通路が、大気
圧の低下に伴い通路面積を小さくする流量制御弁
が介設された第１通路と、該第１通路と並列に設
けられた第２通路とにより構成され、上記ガバナ
シヤフトに外嵌されるガバナスリーブに制御ポー
トが形成され、上記第１通路がガバナスリーブの
低負荷位置で制御ポートと、第２通路がガバナス
リーブの中負荷位置で制御ポートと連通し、該両
通路がガバナスリーブの高負荷位置で閉塞される
ことを特徴とする燃料噴射ポンプの噴射時期制御
装置。 A relief passage for reducing the pressure in the pump chamber is formed in the governor shaft, and the relief passage is arranged in parallel with a first passage in which a flow control valve is interposed to reduce the passage area as the atmospheric pressure decreases. a control port is formed in a governor sleeve fitted over the governor shaft, the first passageway forming a control port in a low load position of the governor sleeve; and a second passageway forming a control port in a low load position of the governor sleeve; An injection timing control device for a fuel injection pump, characterized in that it communicates with a control port at a medium load position, and both passages are closed at a high load position of the governor sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19235785U JPH0324847Y2 (en) | 1985-12-13 | 1985-12-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19235785U JPH0324847Y2 (en) | 1985-12-13 | 1985-12-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6298737U true JPS6298737U (en) | 1987-06-23 |
| JPH0324847Y2 JPH0324847Y2 (en) | 1991-05-30 |
Family
ID=31147360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19235785U Expired JPH0324847Y2 (en) | 1985-12-13 | 1985-12-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0324847Y2 (en) |
-
1985
- 1985-12-13 JP JP19235785U patent/JPH0324847Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0324847Y2 (en) | 1991-05-30 |
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