JPH0228562U - - Google Patents
Info
- Publication number
- JPH0228562U JPH0228562U JP10595788U JP10595788U JPH0228562U JP H0228562 U JPH0228562 U JP H0228562U JP 10595788 U JP10595788 U JP 10595788U JP 10595788 U JP10595788 U JP 10595788U JP H0228562 U JPH0228562 U JP H0228562U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- fuel
- inlet
- injection pump
- fuel injection
- 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 description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案による分配型燃料噴射ポンプの
一実施例を示す断面図、第１ａ図は同じくその要
部の拡大断面図、第２図は本考案によるプランジ
ヤストロークと加圧室圧との関係を示すグラフ、
第３図ａ，ｂ，ｃは本考案による低速、中速、高
速時のカム角―加圧室圧関係を示すグラフである
。
５……ポンプ室、６……プランジヤバレル、７
……プランジヤ、７ａ……第１の環状溝、７ｂ…
…第２の環状溝、６０……インレツトポート、７
０……インレツトスリツト。
FIG. 1 is a sectional view showing an embodiment of the distribution type fuel injection pump according to the present invention, FIG. 1a is an enlarged sectional view of the main parts thereof, and FIG. graphs showing relationships,
FIGS. 3a, 3b, and 3c are graphs showing the relationship between cam angle and pressurizing chamber pressure at low speed, medium speed, and high speed according to the present invention. 5...Pump chamber, 6...Plunger barrel, 7
...Plunger, 7a...First annular groove, 7b...
...Second annular groove, 60...Inlet port, 7
0...Inlet slit.
Claims (1)
を有し、該プランジヤが気筒数分のインレツトグ
ルーブを有し、これがプランジヤバレルのインレ
ツトポートに合致したときに燃料を吸入し、プラ
ンジヤのリフトとともに加圧してアウトレツトス
リツトから吐出通路に圧送する形式の燃料噴射ポ
ンプにおいて、前記プランジヤのインレツトスリ
ツト外周面に、所定のパイロツトストローク用間
隔をおいて２段の環状溝を形成したことを特徴と
する分配型燃料噴射ポンプ。 It has a plunger that rotates and reciprocates according to the rotation of the engine, and the plunger has inlet grooves for the number of cylinders, and when this fits into the inlet port of the plunger barrel, it sucks in fuel, and as the plunger lifts. A fuel injection pump of the type that pressurizes and feeds the fuel from an outlet slit to a discharge passage, characterized in that two-stage annular grooves are formed on the outer peripheral surface of the inlet slit of the plunger at a predetermined pilot stroke interval. Distribution type fuel injection pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10595788U JPH0228562U (en) | 1988-08-12 | 1988-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10595788U JPH0228562U (en) | 1988-08-12 | 1988-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0228562U true JPH0228562U (en) | 1990-02-23 |
Family
ID=31339037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10595788U Pending JPH0228562U (en) | 1988-08-12 | 1988-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0228562U (en) |
-
1988
- 1988-08-12 JP JP10595788U patent/JPH0228562U/ja active Pending
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