JPH0330588U - - Google Patents
Info
- Publication number
- JPH0330588U JPH0330588U JP9015189U JP9015189U JPH0330588U JP H0330588 U JPH0330588 U JP H0330588U JP 9015189 U JP9015189 U JP 9015189U JP 9015189 U JP9015189 U JP 9015189U JP H0330588 U JPH0330588 U JP H0330588U
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- inner rotor
- support portion
- discharge chamber
- axis
- 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
- 239000007788 liquid Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 4
- 238000002485 combustion reaction Methods 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
Description
図面は本考案の一実施例を示すものであり、第
１図は内燃機関の一部縦断面図、第２図は第１図
の−線拡大断面図である。
２……回転軸としてのクランク軸、３……ケー
シング、４……内側ロータ、４ａ，５ａ……歯部
、５……外側ロータ、２０……シール面、２１…
…支持部、２２……吸入室、２３……吐出側、２
４……シール部材としてのオイルシール、３１…
…回転方向、３２……溝、Ｐ……液体ポンプとし
てのオイルポンプ。
The drawings show an embodiment of the present invention, in which FIG. 1 is a partial vertical sectional view of an internal combustion engine, and FIG. 2 is an enlarged sectional view taken along the line -- in FIG. 2... Crankshaft as a rotating shaft, 3... Casing, 4... Inner rotor, 4a, 5a... Teeth, 5... Outer rotor, 20... Seal surface, 21...
...Support part, 22...Suction chamber, 23...Discharge side, 2
4...Oil seal as a seal member, 31...
...Rotation direction, 32...Groove, P...Oil pump as a liquid pump.
Claims (1)
ながら回転軸に固定される内側ロータと、該内側
ロータの歯部に歯合可能な複数の歯部を内周に有
してリング状に形成されるとともに内側ロータと
は偏心した軸線を有する外側ロータとが、ケーシ
ング内に回転自在に収納、配置され、該ケーシン
グには、内側ロータの軸方向一端側に摺動するシ
ール面を有する支持部が設けられ、該支持部の周
囲には前記両ロータの歯合部をそれぞれ臨ませる
吸入室および吐出室が周方向に隔てて設けられ、
内側ロータよりも外方位置で前記支持部内面のお
よび回転軸外面間にはシール部材が介設される液
体ポンプにおいて、前記シール面の吐出室に対応
する部分には、回転軸の回転方向に沿う前方に向
うにつれて回転軸の軸線から遠ざかるべく形成さ
れた複数の溝が、その内端を閉じるとともに外端
を吐出室に開口させるようにして設けられること
を特徴とする液体ポンプ。 an inner rotor that is formed in a ring shape and has a plurality of teeth on its outer periphery and is fixed to a rotating shaft; and an outer rotor having an axis eccentric from the inner rotor is rotatably housed and arranged in a casing, and the casing has a sealing surface that slides toward one end in the axial direction of the inner rotor. A support portion is provided, and a suction chamber and a discharge chamber are provided around the support portion and are separated in the circumferential direction from each other and face the meshing portions of the two rotors, respectively;
In a liquid pump in which a sealing member is interposed between the inner surface of the support portion and the outer surface of the rotating shaft at a position outward from the inner rotor, a portion of the sealing surface corresponding to the discharge chamber is provided with a sealing member in the rotational direction of the rotating shaft. A liquid pump characterized in that a plurality of grooves are formed so as to move away from an axis of a rotating shaft as they move forward along the axis, and the inner ends thereof are closed and the outer ends thereof are opened into a discharge chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989090151U JPH0746781Y2 (en) | 1989-07-31 | 1989-07-31 | Liquid pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989090151U JPH0746781Y2 (en) | 1989-07-31 | 1989-07-31 | Liquid pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0330588U true JPH0330588U (en) | 1991-03-26 |
| JPH0746781Y2 JPH0746781Y2 (en) | 1995-10-25 |
Family
ID=31639690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989090151U Expired - Fee Related JPH0746781Y2 (en) | 1989-07-31 | 1989-07-31 | Liquid pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0746781Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005248944A (en) * | 2004-02-06 | 2005-09-15 | Sumitomo Denko Shoketsu Gokin Kk | Internal gear type pump |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0292083U (en) * | 1988-12-29 | 1990-07-20 |
-
1989
- 1989-07-31 JP JP1989090151U patent/JPH0746781Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0292083U (en) * | 1988-12-29 | 1990-07-20 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005248944A (en) * | 2004-02-06 | 2005-09-15 | Sumitomo Denko Shoketsu Gokin Kk | Internal gear type pump |
| JP4537837B2 (en) * | 2004-02-06 | 2010-09-08 | 住友電工焼結合金株式会社 | Internal gear pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0746781Y2 (en) | 1995-10-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |