JPS6439490U - - Google Patents
Info
- Publication number
- JPS6439490U JPS6439490U JP13520687U JP13520687U JPS6439490U JP S6439490 U JPS6439490 U JP S6439490U JP 13520687 U JP13520687 U JP 13520687U JP 13520687 U JP13520687 U JP 13520687U JP S6439490 U JPS6439490 U JP S6439490U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- casing body
- pump housing
- turbine
- type fuel
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000002828 fuel tank Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図および第２図は本考案の第１の実施例を
示し、第１図は燃料ポンプの要部縦断面図、第２
図は第１図中の―矢示方向断面図、第３図は
第２の実施例を示す第２図と同様の断面図、第４
図ないし第７図は従来技術を示し、第４図は燃料
ポンプが取付けられた燃料タンクの縦断面図、第
５図は燃料ポンプの縦断面図、第６図は第５図中
の―矢示方向断面図、第７図はポンプハウジ
ングやタービンベーンの熱膨張を示す特性線図で
ある。
１……燃料タンク、２……燃料ポンプ、４……
ケーシング本体、５……上カバー、１３……電動
モータ、１９……ポンプ室、１９Ａ……燃料通路
、２０……吸込口、２１……吐出口、３１……ポ
ンプハウジング、３２……内側ハウジング、３３
……外側ハウジング、３４……シール部、３５，
４１……ラジアルクリアランス部、Ｆ……燃料、
ｔ……微小隙間。
1 and 2 show a first embodiment of the present invention, FIG. 1 is a vertical sectional view of the main part of the fuel pump, and FIG.
The figures are a cross-sectional view in the direction of the − arrow in FIG. 1, FIG. 3 is a cross-sectional view similar to FIG. 2 showing the second embodiment, and FIG.
7 to 7 show the prior art, FIG. 4 is a longitudinal sectional view of a fuel tank with a fuel pump attached, FIG. 5 is a longitudinal sectional view of the fuel pump, and FIG. The sectional view in the direction shown in FIG. 7 is a characteristic diagram showing thermal expansion of the pump housing and the turbine vane. 1...Fuel tank, 2...Fuel pump, 4...
Casing body, 5...Top cover, 13...Electric motor, 19...Pump chamber, 19A...Fuel passage, 20...Suction port, 21...Discharge port, 31...Pump housing, 32...Inner housing , 33
...Outer housing, 34...Seal portion, 35,
41... Radial clearance section, F... Fuel,
t...Small gap.
Claims (1)
側内周に嵌着され、該ケーシング本体の一側を施
蓋したポンプハウジングと、該ポンプハウジング
内に形成されたポンプ室と、該ポンプ室内に回転
可能に設けられ、前記ケーシング本体内に配設さ
れた電動モータによつて駆動されるタービンベー
ンとからなるタービン型燃料ポンプにおいて、前
記ケーシング本体の一側内周とポンプハウジング
の外周との間にはラジアルクリアランス部を形成
したことを特徴とするタービン型燃料ポンプ。 (2) 前記ラジアルクリアランス部はポンプハウ
ジングの外周側に少なくとも前記ポンプ室のシー
ル部に対応させて形成してなる実用新案登録請求
の範囲(1)項記載のタービン型燃料ポンプ。[Claims for Utility Model Registration] (1) A casing body, a pump housing fitted into the inner periphery of one side of the casing body and having one side covered with the casing body, and a pump housing formed within the pump housing. In a turbine-type fuel pump comprising a pump chamber and a turbine vane rotatably provided in the pump chamber and driven by an electric motor disposed within the casing body, an inner periphery of one side of the casing body A turbine-type fuel pump characterized in that a radial clearance portion is formed between the outer circumference of the pump housing and the outer periphery of the pump housing. (2) The turbine-type fuel pump according to claim (1), wherein the radial clearance portion is formed on the outer peripheral side of the pump housing so as to correspond to at least the seal portion of the pump chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987135206U JPH0537032Y2 (en) | 1987-09-04 | 1987-09-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987135206U JPH0537032Y2 (en) | 1987-09-04 | 1987-09-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6439490U true JPS6439490U (en) | 1989-03-09 |
| JPH0537032Y2 JPH0537032Y2 (en) | 1993-09-20 |
Family
ID=31394628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987135206U Expired - Lifetime JPH0537032Y2 (en) | 1987-09-04 | 1987-09-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0537032Y2 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58151397U (en) * | 1982-04-02 | 1983-10-11 | 愛三工業株式会社 | liquid transfer pump |
| JPS59150995A (en) * | 1983-02-16 | 1984-08-29 | Nippon Denso Co Ltd | Pumping device |
| JPS6079193A (en) * | 1983-10-05 | 1985-05-04 | Nippon Denso Co Ltd | Fuel pump for car |
| JPS60219495A (en) * | 1984-04-16 | 1985-11-02 | Nippon Denso Co Ltd | Fuel pump for car |
| JPS6249687U (en) * | 1985-09-18 | 1987-03-27 | ||
| JPS63227985A (en) * | 1987-03-17 | 1988-09-22 | Nippon Denso Co Ltd | Fuel pump driven by motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5628415A (en) * | 1979-08-15 | 1981-03-20 | Fujikura Ltd | Method of manufacturing electric power cable |
-
1987
- 1987-09-04 JP JP1987135206U patent/JPH0537032Y2/ja not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58151397U (en) * | 1982-04-02 | 1983-10-11 | 愛三工業株式会社 | liquid transfer pump |
| JPS59150995A (en) * | 1983-02-16 | 1984-08-29 | Nippon Denso Co Ltd | Pumping device |
| JPS6079193A (en) * | 1983-10-05 | 1985-05-04 | Nippon Denso Co Ltd | Fuel pump for car |
| JPS60219495A (en) * | 1984-04-16 | 1985-11-02 | Nippon Denso Co Ltd | Fuel pump for car |
| JPS6249687U (en) * | 1985-09-18 | 1987-03-27 | ||
| JPS63227985A (en) * | 1987-03-17 | 1988-09-22 | Nippon Denso Co Ltd | Fuel pump driven by motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0537032Y2 (en) | 1993-09-20 |