JPH0195570U - - Google Patents
Info
- Publication number
- JPH0195570U JPH0195570U JP19134487U JP19134487U JPH0195570U JP H0195570 U JPH0195570 U JP H0195570U JP 19134487 U JP19134487 U JP 19134487U JP 19134487 U JP19134487 U JP 19134487U JP H0195570 U JPH0195570 U JP H0195570U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- fuel
- inlet port
- roller
- roller holder
- 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 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
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
一実施例を示す部分切欠斜視図、第２図は同じく
その要部断面図、第３図は本考案のローラホルダ
の展開図、第４図は本考案の他の実施例を示す部
分的横断面図、第５図は本考案による可変プリス
トロークマツチング例を示す線図、第６図は本考
案を最大噴射量補正機構に適用した状態の断面図
、第７図は本考案によるコントロールスリーブ位
置固定状態の噴射量とポンプ回転数の関係を示す
線図である。
１…ローラホルダ、２…ローラ、３…上部体、
３ａ…山谷状接触面、４…下部体、４ａ…山谷状
接触面、１０…駆動軸、１２…カムデイスク、１
５…プランジヤ、１５ａ…インレツトグルーブ、
１５ｃ…アウトレツトスリツト、１８…バレル、
１８ａ…インレツトポート、１８ｂ…アウトレツ
トポート。
Fig. 1 is a partially cutaway perspective view showing an embodiment of the distribution type fuel injection pump according to the present invention, Fig. 2 is a sectional view of the main part thereof, Fig. 3 is an exploded view of the roller holder of the present invention, and Fig. 4 is a partial cross-sectional view showing another embodiment of the present invention, FIG. 5 is a diagram showing an example of variable prestroke matching according to the present invention, and FIG. 6 is a state in which the present invention is applied to a maximum injection amount correction mechanism. FIG. 7 is a diagram showing the relationship between the injection amount and the pump rotation speed when the control sleeve is fixed in position according to the present invention. 1...Roller holder, 2...Roller, 3...Upper body,
3a... Peak and valley contact surface, 4... Lower body, 4a... Peak and valley contact surface, 10... Drive shaft, 12... Cam disc, 1
5... Plunger, 15a... Inlet groove,
15c...Outlet slit, 18...Barrel,
18a... Inlet port, 18b... Outlet port.
Claims (1)
ローラと接するカムデイスクにより往復動される
プランジヤを有し、該プランジヤが気筒数分のイ
ンレツトグルーブを有し、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
のリフトとともにインレツトポートが閉じられ、
アウトレツトスリツトから吐出通路に圧送される
形式のものにおいて、前記ローラホルダが接触部
により軸線方向に相対変位可能な２体構造からな
つていることを特徴とする分配型燃料噴射ポンプ
。 It has a plunger that is rotated by a drive shaft and reciprocated by a cam disk in contact with the roller of the roller holder.The plunger has an inlet groove for the number of cylinders, and when it matches the inlet port of the barrel, it releases the fuel. is inhaled, the inlet port is closed with the lift of the plunger,
1. A distribution type fuel injection pump which is of a type in which the fuel is pumped from an outlet slit to a discharge passage, characterized in that the roller holder has a two-piece structure that is movable relative to each other in the axial direction by means of a contact portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19134487U JPH0195570U (en) | 1987-12-18 | 1987-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19134487U JPH0195570U (en) | 1987-12-18 | 1987-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0195570U true JPH0195570U (en) | 1989-06-23 |
Family
ID=31482263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19134487U Pending JPH0195570U (en) | 1987-12-18 | 1987-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0195570U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6157943A (en) * | 1984-08-29 | 1986-03-25 | Konishiroku Photo Ind Co Ltd | Heat developable color photosensitive material |
-
1987
- 1987-12-18 JP JP19134487U patent/JPH0195570U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6157943A (en) * | 1984-08-29 | 1986-03-25 | Konishiroku Photo Ind Co Ltd | Heat developable color photosensitive material |
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