JPS6434491U - - Google Patents
Info
- Publication number
- JPS6434491U JPS6434491U JP12804587U JP12804587U JPS6434491U JP S6434491 U JPS6434491 U JP S6434491U JP 12804587 U JP12804587 U JP 12804587U JP 12804587 U JP12804587 U JP 12804587U JP S6434491 U JPS6434491 U JP S6434491U
- Authority
- JP
- Japan
- Prior art keywords
- pump body
- rotating means
- piston
- discharge port
- variable oil
- 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
- 239000012530 fluid Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Description
第１図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図は本考案に係わる
可変式オイルポンプの他の実施例を示す縦断面図
、第３図は従来の可変式オイルポンプの縦断面図
、第４図は第３図のＡ―Ａ断面図、第５図は回転
手段とピストンとの偏りとを比較した状態の概略
図である。
１０ａ，１０ｂ……ポンプボデー、１２……吸
入口、１４……吐出口、２２，２２ａ……アウタ
ーロータ、２４……インナーロータ、２６，２６
ｂ……ピストン、２８……付勢手段、３０……段
部、３２……空間部、３４……通路、３６……段
部、４０……空間部、４２……通路。
Fig. 1 is a vertical cross-sectional view showing one embodiment of the variable oil pump according to the present invention, Fig. 2 is a longitudinal cross-sectional view showing another embodiment of the variable oil pump according to the present invention, and Fig. 3 is a longitudinal cross-sectional view showing an embodiment of the variable oil pump according to the present invention. FIG. 4 is a longitudinal cross-sectional view of the variable oil pump, FIG. 4 is a cross-sectional view taken along line A--A in FIG. 3, and FIG. 5 is a schematic diagram comparing the deviation between the rotating means and the piston. 10a, 10b... pump body, 12... suction port, 14... discharge port, 22, 22a... outer rotor, 24... inner rotor, 26, 26
b...piston, 28...biasing means, 30...step, 32...space, 34...passage, 36...step, 40...space, 42...passage.
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
トンとを有する可変式オイルポンプにおいて、前
記回転手段または前記ピストンにおける付勢手段
と反対側の端面外周に前記ポンプボデーとの間よ
つて形成される環状の空間部を設け、前記吐出口
からその空間部に通じる通路をポンプボデーに形
成し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 fluid from the inlet to the discharge port, and an urging force that presses the rotating means toward one side in the axial direction. and a piston interposed between the urging means and the rotating means, the variable oil pump having a piston interposed between the rotating means or the piston and the end face of the rotating means or the piston on the opposite side from the urging means and the pump body. 1. A variable oil pump characterized in that a pump body is provided with an annular space formed in this way, and a passage communicating from the discharge port to the space is formed in the pump body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12804587U JPH053752Y2 (en) | 1987-08-25 | 1987-08-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12804587U JPH053752Y2 (en) | 1987-08-25 | 1987-08-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6434491U true JPS6434491U (en) | 1989-03-02 |
| JPH053752Y2 JPH053752Y2 (en) | 1993-01-28 |
Family
ID=31381014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12804587U Expired - Lifetime JPH053752Y2 (en) | 1987-08-25 | 1987-08-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH053752Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0464930U (en) * | 1990-10-09 | 1992-06-04 | ||
| JP2017106390A (en) * | 2015-12-10 | 2017-06-15 | 株式会社デンソー | Feed pump |
-
1987
- 1987-08-25 JP JP12804587U patent/JPH053752Y2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0464930U (en) * | 1990-10-09 | 1992-06-04 | ||
| JP2017106390A (en) * | 2015-12-10 | 2017-06-15 | 株式会社デンソー | Feed pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH053752Y2 (en) | 1993-01-28 |