JPH0465983U - - Google Patents
Info
- Publication number
- JPH0465983U JPH0465983U JP10650690U JP10650690U JPH0465983U JP H0465983 U JPH0465983 U JP H0465983U JP 10650690 U JP10650690 U JP 10650690U JP 10650690 U JP10650690 U JP 10650690U JP H0465983 U JPH0465983 U JP H0465983U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- upper cover
- casing main
- end side
- casing
- 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 5
- 239000000843 powder Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Motor Or Generator Current Collectors (AREA)
Description
第１図は本考案の実施例による燃料ポンプのコ
ンミテータを拡大して示す外観斜視図、第２図は
コンミテータの摩耗状態を示す外観斜視図、第３
図ないし第５図は従来技術を示し、第３図はター
ビン型燃料ポンプの縦断面図、第４図はコンミテ
ータを拡大して示す外観斜視図、第５図はコンミ
テータの摩耗状態を示す外観斜視図である。
２……ケーシング本体、３……上カバー、４…
…ポンプ部、９……吸込口、１０……吐出口、１
１……電動モータ、１２……回転子、１４……固
定子、１７……ブラシ２１……コンミテータ、２
１Ｂ……スリツト、２１Ｃ……セグメント、２１
Ｃ１……ブラシ摺接面、２２……摩耗粉排出溝。
FIG. 1 is an enlarged external perspective view of a commutator of a fuel pump according to an embodiment of the present invention, FIG. 2 is an external perspective view showing the state of wear of the commutator, and FIG.
5 to 5 show the prior art, FIG. 3 is a longitudinal sectional view of a turbine-type fuel pump, FIG. 4 is an enlarged external perspective view of a commutator, and FIG. 5 is an external perspective view showing the wear state of the commutator. It is a diagram. 2...Casing body, 3...Top cover, 4...
...Pump part, 9...Suction port, 10...Discharge port, 1
1... Electric motor, 12... Rotor, 14... Stator, 17... Brush 21... Commutator, 2
1B...Slit, 21C...Segment, 21
C 1 ...Brush sliding contact surface, 22...Abrasion powder discharge groove.
Claims (1)
を施蓋して設けられた上カバーと、前記ケーシン
グ本体の他端側に位置して設けられ、吸込口から
吸込んだ燃料を吐出口からケーシング本体内に吐
出するポンプ部と、前記ケーシング本体内に設け
られ、該ポンプ部を回転駆動する電動モータとを
備え、前記電動モータは、前記ケーシング本体内
で回転可能に支持された回転子と、該回転子の外
周側に遊嵌された固定子と、前記回転子の軸方向
一端側に設けられ、外周面がブラシ摺接面になつ
た複数のセグメントを周方向にスリツトを介して
隔設することにより放射状に形成されたコンミテ
ータと、該コンミテータのブラシ摺接面に径方向
から摺接する一対のブラシとから構成してなる燃
料ポンプにおいて、前記コンミテータの各セグメ
ント外周側には、径方向外向きに開口する摩耗粉
排出溝を前記ケーシング本体内を流通する燃料の
流れ方向に沿つて形成したことを特徴とする燃料
ポンプ。 A casing main body, an upper cover provided by covering one end of the casing main body, and an upper cover provided at the other end of the casing main body, the upper cover is provided on the other end side of the casing main body, and the upper cover is provided at the other end side of the casing main body, and the upper cover is provided on the other end side of the casing main body, and the upper cover is provided at the other end side of the casing main body, and the upper cover is provided at the other end side of the casing main body, and the upper cover is provided at the other end side of the casing main body, and the upper cover is provided at the other end side of the casing main body, and the upper cover is provided on the other end side of the casing main body. The electric motor includes a pump section for discharging, and an electric motor provided within the casing body to rotationally drive the pump section, the electric motor including a rotor rotatably supported within the casing body, and the rotor. A stator loosely fitted on the outer circumferential side of the rotor and a plurality of segments provided on one axial end side of the rotor whose outer circumferential surface serves as a brush sliding contact surface are spaced apart in the circumferential direction through slits. In a fuel pump comprising a radially formed commutator and a pair of brushes that slide in radial contact with the brush sliding surface of the commutator, each segment of the commutator has an opening radially outward on the outer peripheral side of each segment. A fuel pump characterized in that a wear powder discharge groove is formed along the flow direction of fuel flowing within the casing body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10650690U JPH0465983U (en) | 1990-10-09 | 1990-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10650690U JPH0465983U (en) | 1990-10-09 | 1990-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0465983U true JPH0465983U (en) | 1992-06-09 |
Family
ID=31852619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10650690U Pending JPH0465983U (en) | 1990-10-09 | 1990-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0465983U (en) |
-
1990
- 1990-10-09 JP JP10650690U patent/JPH0465983U/ja active Pending
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