JPH03129766U - - Google Patents
Info
- Publication number
- JPH03129766U JPH03129766U JP3725990U JP3725990U JPH03129766U JP H03129766 U JPH03129766 U JP H03129766U JP 3725990 U JP3725990 U JP 3725990U JP 3725990 U JP3725990 U JP 3725990U JP H03129766 U JPH03129766 U JP H03129766U
- Authority
- JP
- Japan
- Prior art keywords
- vapor
- passage
- return passage
- combustion engine
- internal combustion
- 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
- 238000002485 combustion reaction Methods 0.000 claims 2
- 239000000446 fuel Substances 0.000 claims 2
- 239000002828 fuel tank Substances 0.000 claims 1
Landscapes
- Reciprocating Pumps (AREA)
- Jet Pumps And Other Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案の一実施例を示す概略構成断面
図、第２図は本考案の別の実施例を示す要部断面
図、第３図は本考案のさらに別の実施例を示す要
部断面図である。
図面中、５は吸入室、７は吐出室、１１はリタ
ーン通路、１２，１２Ａはベーパ通路、１３は逆
止弁である。
Fig. 1 is a schematic cross-sectional view showing one embodiment of the present invention, Fig. 2 is a sectional view of main parts showing another embodiment of the present invention, and Fig. 3 is a schematic sectional view showing still another embodiment of the present invention. FIG. In the drawing, 5 is a suction chamber, 7 is a discharge chamber, 11 is a return passage, 12 and 12A are vapor passages, and 13 is a check valve.
Claims (1)
内燃機関の機械式燃料ポンプにおいて、吸入室側
に発生したベーパを前記吐出室のリターン通路側
へ逃がすためのベーパ通路を設けるとともに、該
ベーパ通路に前記ベーパのリターン通路側への流
れのみ許容する逆止弁を介設したことを特徴とす
る内燃機関の機械式燃料ポンプ。 In a mechanical fuel pump for an internal combustion engine in which a discharge chamber is provided with a return passage to a fuel tank, a vapor passage is provided for releasing vapor generated in the suction chamber to the return passage side of the discharge chamber, and the vapor passage is A mechanical fuel pump for an internal combustion engine, characterized in that a check valve is provided that only allows the vapor to flow toward a return passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3725990U JPH03129766U (en) | 1990-04-09 | 1990-04-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3725990U JPH03129766U (en) | 1990-04-09 | 1990-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03129766U true JPH03129766U (en) | 1991-12-26 |
Family
ID=31544207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3725990U Pending JPH03129766U (en) | 1990-04-09 | 1990-04-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03129766U (en) |
-
1990
- 1990-04-09 JP JP3725990U patent/JPH03129766U/ja active Pending