JPH0454971U - - Google Patents
Info
- Publication number
- JPH0454971U JPH0454971U JP6981690U JP6981690U JPH0454971U JP H0454971 U JPH0454971 U JP H0454971U JP 6981690 U JP6981690 U JP 6981690U JP 6981690 U JP6981690 U JP 6981690U JP H0454971 U JPH0454971 U JP H0454971U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- cylinder barrel
- injection pump
- rate control
- feed rate
- 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
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の好適一実施例を示す断面図、
第２図乃至第４図は本考案のシリンダーバレルを
示す要部拡大断面図、第５図は本考案に係る送油
率制御型燃料噴射ポンプの断面図、第６図は従来
の送油率制御型燃料噴射ポンプの断面図、第７図
はシールリングの亀裂発生のメカニズムを示す図
、第８図はシールリングの亀裂状態を示す拡大図
である。
図中、１はハウジング、８，８ａ，８ｂはシリ
ンダーバレル、３５，３５ａ，３５ｂは開口であ
る。
FIG. 1 is a sectional view showing a preferred embodiment of the present invention;
Figures 2 to 4 are enlarged cross-sectional views of main parts showing the cylinder barrel of the present invention, Figure 5 is a cross-sectional view of the oil feed rate control type fuel injection pump according to the present invention, and Figure 6 is a conventional oil feed rate control type fuel injection pump. FIG. 7 is a cross-sectional view of the controlled fuel injection pump, FIG. 7 is a diagram showing the mechanism of crack occurrence in the seal ring, and FIG. 8 is an enlarged view showing the state of cracks in the seal ring. In the figure, 1 is a housing, 8, 8a, 8b are cylinder barrels, and 35, 35a, 35b are openings.
Claims (1)
バレルの負圧のよどむ部分に、シリンダーバレル
及びハウジングを貫通させて開口を形成したこと
を特徴とする送油率制御型噴射ポンプ。 1. An oil feed rate control type injection pump characterized in that an opening is formed through the cylinder barrel and the housing at a portion of the cylinder barrel housed in the housing where negative pressure stagnates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6981690U JPH0454971U (en) | 1990-06-29 | 1990-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6981690U JPH0454971U (en) | 1990-06-29 | 1990-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0454971U true JPH0454971U (en) | 1992-05-12 |
Family
ID=31802353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6981690U Pending JPH0454971U (en) | 1990-06-29 | 1990-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454971U (en) |
-
1990
- 1990-06-29 JP JP6981690U patent/JPH0454971U/ja active Pending
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