JPH0335288U - - Google Patents
Info
- Publication number
- JPH0335288U JPH0335288U JP9432689U JP9432689U JPH0335288U JP H0335288 U JPH0335288 U JP H0335288U JP 9432689 U JP9432689 U JP 9432689U JP 9432689 U JP9432689 U JP 9432689U JP H0335288 U JPH0335288 U JP H0335288U
- Authority
- JP
- Japan
- Prior art keywords
- support part
- fuel pump
- section
- loosely fitted
- polygonal cross
- 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
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案に係る内燃機関用燃料ポンプの
第１実施例を示す主要部断面図、第２図は第１図
のＦ方向見上げ図、第３図は本考案に係る内燃機
関用燃料ポンプの第２実施例を示す断面図、第４
図は同上第２実施例における主要部断面図、第５
図は従来の内燃機関用燃料ポンプを示す断面図、
第６図は第５図におけるＢ−Ｂ断面概略図、第７
図は従来の問題点を説明する第５図におけるＡ−
Ａ断面概略図である。
１……ケーシング、２……ポンプ部、３，４３
……電動モータ部、４……固定シヤフト、５，４
５……アーマチユア、１３……インペラ、１９…
…ハウジング、２２，５０……内壁部、３３ａ，
３３ｂ，３３ｃ……センタリング部材、３４……
弾性部材、４４……シヤフト。
FIG. 1 is a cross-sectional view of the main parts of a first embodiment of a fuel pump for an internal combustion engine according to the present invention, FIG. 2 is a view looking up in the F direction of FIG. 1, and FIG. Sectional view showing the second embodiment of the pump, No. 4
The figure is a cross-sectional view of the main part in the second embodiment same as above, and the fifth
The figure is a cross-sectional view of a conventional fuel pump for internal combustion engines.
Figure 6 is a schematic cross-sectional view taken along line B-B in Figure 5;
The figure is A- in Figure 5, which explains the conventional problem.
It is an A cross-sectional schematic diagram. 1...Casing, 2...Pump part, 3,43
...Electric motor section, 4...Fixed shaft, 5, 4
5... Armature, 13... Impeller, 19...
...Housing, 22, 50...Inner wall portion, 33a,
33b, 33c...centering member, 34...
Elastic member, 44...Shaft.
Claims (1)
が遊嵌される支持部が断面多角形に形成されてな
る燃料ポンプにおいて、 前記支持部の断面多角形を構成する面を支点と
して、前記支持部に遊嵌されるアーマチユア軸の
外周壁を押圧して該軸が支持部の略軸心に保持さ
れるように弾性付勢する複数のセンタリング部材
を、前記支持部に装着したことを特徴とする燃料
ポンプ。[Claims for Utility Model Registration] A fuel pump in which a support portion into which an armature shaft of an electric motor for driving a pump portion is loosely fitted is formed with a polygonal cross section, wherein the surface forming the polygonal cross section of the support portion is A plurality of centering members are attached to the support part as fulcrum points and elastically biased to press the outer circumferential wall of the armature shaft loosely fitted to the support part so that the shaft is held approximately at the axis of the support part. A fuel pump characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9432689U JPH0335288U (en) | 1989-08-14 | 1989-08-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9432689U JPH0335288U (en) | 1989-08-14 | 1989-08-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0335288U true JPH0335288U (en) | 1991-04-05 |
Family
ID=31643658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9432689U Pending JPH0335288U (en) | 1989-08-14 | 1989-08-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0335288U (en) |
-
1989
- 1989-08-14 JP JP9432689U patent/JPH0335288U/ja active Pending