JPH0228564U - - Google Patents
Info
- Publication number
- JPH0228564U JPH0228564U JP10596088U JP10596088U JPH0228564U JP H0228564 U JPH0228564 U JP H0228564U JP 10596088 U JP10596088 U JP 10596088U JP 10596088 U JP10596088 U JP 10596088U JP H0228564 U JPH0228564 U JP H0228564U
- Authority
- JP
- Japan
- Prior art keywords
- injection pump
- fuel injection
- pressure chamber
- control sleeve
- prestroke
- 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 8
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案による燃料噴射ポンプの一実施
例を示す断面図、第１ａ図は本考案の要部を示す
拡大図、第２図は本考案における通路孔位置を示
す説明図、第３図は従来の燃料噴射ポンプと本考
案の燃料噴射ポンプにおける燃料室圧と噴射量の
関係を示すグラフである。
４……プランジヤ、５……弁ハウジング、７…
…加圧室、１７……制御スリーブ、１８……燃料
室、３０……通路孔、３００……上端ポート。
FIG. 1 is a sectional view showing an embodiment of the fuel injection pump according to the present invention, FIG. 1a is an enlarged view showing the main parts of the present invention, FIG. The figure is a graph showing the relationship between fuel chamber pressure and injection amount in a conventional fuel injection pump and a fuel injection pump according to the present invention. 4...Plunger, 5...Valve housing, 7...
...pressure chamber, 17... control sleeve, 18... fuel chamber, 30... passage hole, 300... upper end port.
Claims (1)
在に外嵌し、この制御スリーブとプランジヤとの
軸線方向相対位置を変えることで噴射時期を変え
るようにした形式の燃料噴射ポンプにおいて、前
記プランジヤとで加圧室を構成する筒状外殻体に
、一端が使用プリストローク域の下限より下の加
圧室に開口し他端が燃料室に開口する通路孔を形
成したことを特徴とする可変プリストローク機構
付燃料噴射ポンプ。 In a fuel injection pump of a type in which a control sleeve is slidably fitted around a reciprocating plunger, and the injection timing is changed by changing the relative position of the control sleeve and the plunger in the axial direction, A variable prestroke characterized in that a passage hole is formed in a cylindrical shell constituting a pressure chamber, one end of which opens into the pressure chamber below the lower limit of the usable prestroke range, and the other end opens into the fuel chamber. Fuel injection pump with mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10596088U JPH0228564U (en) | 1988-08-12 | 1988-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10596088U JPH0228564U (en) | 1988-08-12 | 1988-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0228564U true JPH0228564U (en) | 1990-02-23 |
Family
ID=31339043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10596088U Pending JPH0228564U (en) | 1988-08-12 | 1988-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0228564U (en) |
-
1988
- 1988-08-12 JP JP10596088U patent/JPH0228564U/ja active Pending