JPH0166485U - - Google Patents
Info
- Publication number
- JPH0166485U JPH0166485U JP1987162420U JP16242087U JPH0166485U JP H0166485 U JPH0166485 U JP H0166485U JP 1987162420 U JP1987162420 U JP 1987162420U JP 16242087 U JP16242087 U JP 16242087U JP H0166485 U JPH0166485 U JP H0166485U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- oil pump
- pressure
- gap
- relief hole
- 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
Landscapes
- Rotary Pumps (AREA)
Description
第１図〜第４図は本考案に係る第１実施例を示
したもので、第１図イ，ロは要部の拡大図、第２
図はオイルポンプ全体の横断面図、第３図は同じ
くオイルポンプ全体の縦断面図、第４図イ〜ヘは
オイル逃がし孔と吸込み側ポートおよび吐出側ポ
ートとの位置関係を示す要部の拡大図、第５図お
よび第６図は第２実施例を示したもので、第５図
イ，ロはオイルポンプ全体の横断面図、第６図は
同じくオイルポンプ全体の縦断面図である。
１…ドライブギヤ、２…ドリブンギヤ、３ａ，
３ｂ…項隙部、４ａ，４ｂ…オイル逃がし孔。
Figures 1 to 4 show the first embodiment of the present invention; Figures 1A and 4B are enlarged views of the main parts;
The figure is a cross-sectional view of the entire oil pump, Figure 3 is a vertical cross-sectional view of the entire oil pump, and Figures 4A to 4F show the main parts showing the positional relationship between the oil relief hole, the suction side port, and the discharge side port. The enlarged view, FIGS. 5 and 6 show the second embodiment, and FIGS. 5A and 5B are cross-sectional views of the entire oil pump, and FIG. 6 is a longitudinal sectional view of the entire oil pump. . 1... Drive gear, 2... Driven gear, 3a,
3b...Nipal space, 4a, 4b...Oil escape hole.
Claims (1)
形成される項隙部に、該項隙部内の高圧オイルを
吸込み部以外の低圧部に逃がすオイル逃がし孔を
設けたことを特徴とするオイルポンプ。 An oil pump characterized in that an oil relief hole is provided in a gap formed when a drive gear and a driven gear are engaged to allow high-pressure oil in the gap to escape to a low-pressure part other than a suction part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987162420U JPH0166485U (en) | 1987-10-26 | 1987-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987162420U JPH0166485U (en) | 1987-10-26 | 1987-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0166485U true JPH0166485U (en) | 1989-04-27 |
Family
ID=31446229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987162420U Pending JPH0166485U (en) | 1987-10-26 | 1987-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0166485U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013024084A (en) * | 2011-07-19 | 2013-02-04 | Isuzu Motors Ltd | Gear type pump |
| WO2024070140A1 (en) * | 2022-09-28 | 2024-04-04 | ダイキン工業株式会社 | Gear pump or gear motor |
-
1987
- 1987-10-26 JP JP1987162420U patent/JPH0166485U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013024084A (en) * | 2011-07-19 | 2013-02-04 | Isuzu Motors Ltd | Gear type pump |
| WO2024070140A1 (en) * | 2022-09-28 | 2024-04-04 | ダイキン工業株式会社 | Gear pump or gear motor |
| JP2024048672A (en) * | 2022-09-28 | 2024-04-09 | ダイキン工業株式会社 | Gear pump or gear motor |
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