JPH048787U - - Google Patents
Info
- Publication number
- JPH048787U JPH048787U JP4909190U JP4909190U JPH048787U JP H048787 U JPH048787 U JP H048787U JP 4909190 U JP4909190 U JP 4909190U JP 4909190 U JP4909190 U JP 4909190U JP H048787 U JPH048787 U JP H048787U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- teeth
- oil pump
- inner rotor
- volume
- 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図は本考案の一実施例を示すオイルポンプ
の断面図、第２図は第１図の−断面図、第３
図はインナロータのケーシング側から見た正面図
、第４図は第３図の−断面図、第５図は従来
のオイルポンプを示す断面図、第６図は第５図
−断面図である。
１１……ケーシング、１４……インナロータ、
１５……アウタロータ、１６……外歯、１６ａ…
…切込み、１７……内歯、１８……ボリユウム室
、δ，δ……サイド隙間、δ……インロー
隙間。
Figure 1 is a sectional view of an oil pump showing an embodiment of the present invention, Figure 2 is a cross-sectional view of Figure 1;
4 is a sectional view taken from FIG. 3, FIG. 5 is a sectional view showing a conventional oil pump, and FIG. 6 is a sectional view taken from FIG. 5. 11...Casing, 14...Inner rotor,
15... Outer rotor, 16... External tooth, 16a...
...notch, 17...internal tooth, 18...volume chamber, δ, δ...side gap, δ...spigot gap.
Claims (1)
合するアウタロータとインナロータとを偏心状態
で回転可能に収容し、上記アウタロータとインナ
ロータの回転に伴い上記内歯と外歯間に形成され
るボリユウム室の容積を変化させて、吸入及び吐
出作用を行なうオイルポンプにおいて、上記イン
ナロータの外歯のインロー側の側面に、インナロ
ータの回転方向に対して所定の角度を有する切込
みを形成したことを特徴とするオイルポンプ。 An outer rotor and an inner rotor whose inner teeth and outer teeth mesh with each other are rotatably housed inside the casing in an eccentric state, and a volume chamber is formed between the inner teeth and the outer teeth as the outer rotor and inner rotor rotate. An oil pump that performs suction and discharge operations by changing the volume of the oil pump, characterized in that a notch having a predetermined angle with respect to the rotational direction of the inner rotor is formed on the side surface of the outer tooth of the inner rotor on the spigot side. oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4909190U JPH048787U (en) | 1990-05-14 | 1990-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4909190U JPH048787U (en) | 1990-05-14 | 1990-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH048787U true JPH048787U (en) | 1992-01-27 |
Family
ID=31566488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4909190U Pending JPH048787U (en) | 1990-05-14 | 1990-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048787U (en) |
-
1990
- 1990-05-14 JP JP4909190U patent/JPH048787U/ja active Pending