JPH02126084U - - Google Patents
Info
- Publication number
- JPH02126084U JPH02126084U JP3423189U JP3423189U JPH02126084U JP H02126084 U JPH02126084 U JP H02126084U JP 3423189 U JP3423189 U JP 3423189U JP 3423189 U JP3423189 U JP 3423189U JP H02126084 U JPH02126084 U JP H02126084U
- Authority
- JP
- Japan
- Prior art keywords
- return groove
- oil return
- suction port
- rotating shaft
- communicates
- 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
- 238000010586 diagram Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
Description
図面は本考案の実施例を示すものであり、その
第１図はポンプカバーを外し、一部断面とした本
考案の正面図、第２図は本考案の断面図、第３図
は本考案の要部斜視図、第４図、第５図は本考案
の作用状態を示す状態図、第６図、第７図はオイ
ル掻き突出部付きインナーロータの斜視図、第８
図は本考案の別の実施例の要部斜視図、第９図は
本考案の別の実施例の断面図、第１０図は本考案
の別の実施例の一部切除した斜視図、第１１図は
本考案を使用した全体の断面図である。
４……アウターロータ、５……インナーロータ
、５ａ……ボス部、６……吸入ポート、６ａ……
吸入口、１０……回転軸、１０ａ……固定部、１
１……漏れオイル帰還溝、１１ａ……入口開口部
、１２……オイル掻き突出部。
The drawings show an embodiment of the present invention, in which Figure 1 is a front view of the invention with the pump cover removed and is partially cut away, Figure 2 is a sectional view of the invention, and Figure 3 is a cross-sectional view of the invention. FIGS. 4 and 5 are state diagrams showing the operating state of the present invention. FIGS. 6 and 7 are perspective views of an inner rotor with an oil scraper protrusion, and FIGS.
9 is a sectional view of another embodiment of the present invention; FIG. 10 is a partially cutaway perspective view of another embodiment of the present invention; FIG. 11 is a cross-sectional view of the entire device using the present invention. 4...Outer rotor, 5...Inner rotor, 5a...Boss part, 6...Suction port, 6a...
Suction port, 10... Rotating shaft, 10a... Fixed part, 1
1... Leak oil return groove, 11a... Inlet opening, 12... Oil scraping protrusion.
Claims (1)
部との間に、ボス部側より吸入ポートの吸入口に
連通する漏れオイル帰還溝を設け、該漏れオイル
帰還溝の入口開口部箇所に近接し、且つインナー
ロータ及び回転軸の回転後方位置にオイル掻き突
出部を設けたことを特徴としたトロコイド型オイ
ルポンプ。 A leakage oil return groove that communicates with the suction port of the suction port from the boss side is provided between the mounting inner circumferential part of the inner rotor and the fixed part of the rotating shaft, and a leakage oil return groove that communicates with the inlet opening of the leakage oil return groove is provided. A trochoid type oil pump characterized in that an oil scraper protrusion is provided at a rotationally rearward position of the inner rotor and the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3423189U JPH0639110Y2 (en) | 1989-03-28 | 1989-03-28 | Trochoid type oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3423189U JPH0639110Y2 (en) | 1989-03-28 | 1989-03-28 | Trochoid type oil pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02126084U true JPH02126084U (en) | 1990-10-17 |
| JPH0639110Y2 JPH0639110Y2 (en) | 1994-10-12 |
Family
ID=31538520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3423189U Expired - Lifetime JPH0639110Y2 (en) | 1989-03-28 | 1989-03-28 | Trochoid type oil pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0639110Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010223020A (en) * | 2009-03-19 | 2010-10-07 | Yamada Seisakusho Co Ltd | Oil pump |
| JP2014005794A (en) * | 2012-06-26 | 2014-01-16 | Nachi Fujikoshi Corp | Internal gear pump and fluid pressure control device including the same |
| JP2016023554A (en) * | 2014-07-17 | 2016-02-08 | アイシン精機株式会社 | Oil pump unit |
-
1989
- 1989-03-28 JP JP3423189U patent/JPH0639110Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010223020A (en) * | 2009-03-19 | 2010-10-07 | Yamada Seisakusho Co Ltd | Oil pump |
| JP2014005794A (en) * | 2012-06-26 | 2014-01-16 | Nachi Fujikoshi Corp | Internal gear pump and fluid pressure control device including the same |
| JP2016023554A (en) * | 2014-07-17 | 2016-02-08 | アイシン精機株式会社 | Oil pump unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0639110Y2 (en) | 1994-10-12 |