JPS6434492U - - Google Patents
Info
- Publication number
- JPS6434492U JPS6434492U JP12804687U JP12804687U JPS6434492U JP S6434492 U JPS6434492 U JP S6434492U JP 12804687 U JP12804687 U JP 12804687U JP 12804687 U JP12804687 U JP 12804687U JP S6434492 U JPS6434492 U JP S6434492U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cover
- pump body
- center
- dimensioned
- 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
- 239000012530 fluid Substances 0.000 claims 2
Landscapes
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Description
第１図は本考案に係わる可変式オイルポンプの
一実施例を示す縦断面図、第２図は駆動手段を吸
入口や吐出口の反対側に備えた従来の可変式オイ
ルポンプの縦断面図である。
１０ａ……ポンプボデー、１４……吸入口、１
６……吐出口、１８……回転軸、２０……穴、２
２……アウターロータ、２６ａ……径大内壁、２
８……ピストン、３０ａ……カバー、３２……付
勢手段、３６……穴、３８……穴、４０……内壁
。
Fig. 1 is a longitudinal sectional view showing an embodiment of the variable oil pump according to the present invention, and Fig. 2 is a longitudinal sectional view of a conventional variable oil pump in which the driving means is provided on the opposite side of the suction port and the discharge port. It is. 10a...Pump body, 14...Suction port, 1
6... Discharge port, 18... Rotating shaft, 20... Hole, 2
2...Outer rotor, 26a...Large diameter inner wall, 2
8... Piston, 30a... Cover, 32... Urging means, 36... Hole, 38... Hole, 40... Inner wall.
Claims (1)
ーと、そのポンプボデー内に収容され流体を吸入
口から吐出口へ移動させる回転手段と、その回転
手段を軸方向の一方側へ押圧する付勢手段と、そ
の付勢手段と前記回転手段との間に介在するピス
トンと、前記吸入口や吐出口と反対側に配置した
駆動手段と、その駆動手段と前記回転手段を連結
する回転軸とを有する可変式オイルポンプにおい
て、カバーを一端閉鎖の筒状とし、そのカバーの
筒の内径とピストンの外径とカバーとを丁度はめ
合う寸法とし、一方ピストンの外径とポンプボデ
ーの内壁とを丁度はめ合う寸法とし、前記ピスト
ンとカバーとポンプボデーのそれぞれに回転軸を
挿入または保持するための穴を設け、前記ピスト
ンの外径の中心とそのピストンに設けられた穴の
中心とを一致させ、前記カバーの内筒の内径の中
心とそのカバーに設けられた穴の中心とを一致さ
せ、前記ポンプボデーの内壁の内径の中心とその
ポンプボデーに設けられた穴の中心とを一致させ
たことを特徴とする可変式オイルポンプ。 A pump body forming a fluid inlet and a discharge port, a rotating means housed within the pump body for moving the fluid from the inlet to the discharge port, and an urging force that presses the rotating means toward one side in the axial direction. a piston interposed between the biasing means and the rotation means; a drive means disposed on the opposite side of the suction port and the discharge port; and a rotation shaft connecting the drive means and the rotation means. In the variable oil pump, the cover is cylindrical with one end closed, and the inner diameter of the cylinder of the cover, the outer diameter of the piston, and the cover are dimensioned to fit exactly, and the outer diameter of the piston and the inner wall of the pump body are dimensioned to fit exactly. The piston, the cover, and the pump body are dimensioned to fit, and each of the piston, the cover, and the pump body is provided with a hole for inserting or holding a rotating shaft, and the center of the outer diameter of the piston is aligned with the center of the hole provided in the piston, The center of the inner diameter of the inner cylinder of the cover is aligned with the center of the hole provided in the cover, and the center of the inner diameter of the inner wall of the pump body is aligned with the center of the hole provided in the pump body. A variable oil pump featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12804687U JPS6434492U (en) | 1987-08-25 | 1987-08-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12804687U JPS6434492U (en) | 1987-08-25 | 1987-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6434492U true JPS6434492U (en) | 1989-03-02 |
Family
ID=31381016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12804687U Pending JPS6434492U (en) | 1987-08-25 | 1987-08-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6434492U (en) |
-
1987
- 1987-08-25 JP JP12804687U patent/JPS6434492U/ja active Pending
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