JPH0317271U - - Google Patents
Info
- Publication number
- JPH0317271U JPH0317271U JP7864589U JP7864589U JPH0317271U JP H0317271 U JPH0317271 U JP H0317271U JP 7864589 U JP7864589 U JP 7864589U JP 7864589 U JP7864589 U JP 7864589U JP H0317271 U JPH0317271 U JP H0317271U
- Authority
- JP
- Japan
- Prior art keywords
- tank
- supply pump
- fuel supply
- deaeration hole
- view
- 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
- 239000013013 elastic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Rotary Pumps (AREA)
Description
第１図は本考案の一実施例である燃料供給ポン
プを示す一部省略正面断面図、第２図はその平面
断面図、第３図はその作用を説明するための拡大
部分断面図、第４図は同じくノイズ特性図、第５
図は従来例によるノイズ特性図である。
１……ハウジング、２……カムリング、３……
端板、４……回転軸、５……外側歯車回転子、６
……凹部、７……内側歯車回転子、８……凸部、
１０……デツド部、１１，１１Ｂ，１１Ｃ……吸
入口、１１ａ，１１ｂ，１１ｃ……始端、１２…
…導出口、１３……ウエアプレート、１４……バ
イアス手段、１５……吐出室、１６……連絡路、
１７……ドライブドツグ、１８……凸部、１９…
…凹部、２０……ジロータシール、２１……シー
ルサポート、２２……ジロータリテーナ、２３…
…脱気孔、２４……発泡ラバー（弾性体）。
Fig. 1 is a partially omitted front sectional view showing a fuel supply pump which is an embodiment of the present invention, Fig. 2 is a plan sectional view thereof, Fig. 3 is an enlarged partial sectional view for explaining its operation, and Fig. Figure 4 is also a noise characteristic diagram, and Figure 5
The figure is a noise characteristic diagram according to a conventional example. 1...Housing, 2...Cam ring, 3...
End plate, 4... Rotating shaft, 5... Outer gear rotor, 6
...Concave portion, 7...Inner gear rotor, 8...Convex portion,
10...Dead part, 11, 11B, 11C...Suction port, 11a, 11b, 11c...Starting end, 12...
...Outlet port, 13...Wear plate, 14...Bias means, 15...Discharge chamber, 16...Connection path,
17...Drive dog, 18...Protrusion, 19...
... recess, 20 ... gerotor seal, 21 ... seal support, 22 ... gerotor retainer, 23 ...
... Deaeration hole, 24... Foamed rubber (elastic body).
Claims (1)
タンクへ戻すための脱気孔がタンク内に向けられ
て設けられている燃料供給ポンプにおいて、前記
脱気孔のうち少なくとも一部の内壁面が弾性体に
より構成されていることを特徴とする燃料供給ポ
ンプ。 In a fuel supply pump having a deaeration hole facing into the tank for returning part of the fuel introduced from the tank to the tank together with vapor, an inner wall surface of at least a part of the deaeration hole is made of an elastic material. A fuel supply pump characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7864589U JPH0317271U (en) | 1989-07-03 | 1989-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7864589U JPH0317271U (en) | 1989-07-03 | 1989-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0317271U true JPH0317271U (en) | 1991-02-20 |
Family
ID=31622102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7864589U Pending JPH0317271U (en) | 1989-07-03 | 1989-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0317271U (en) |
-
1989
- 1989-07-03 JP JP7864589U patent/JPH0317271U/ja active Pending