JPS63126571U - - Google Patents
Info
- Publication number
- JPS63126571U JPS63126571U JP1769487U JP1769487U JPS63126571U JP S63126571 U JPS63126571 U JP S63126571U JP 1769487 U JP1769487 U JP 1769487U JP 1769487 U JP1769487 U JP 1769487U JP S63126571 U JPS63126571 U JP S63126571U
- Authority
- JP
- Japan
- Prior art keywords
- gear
- circumferential surface
- pump case
- friction loss
- internal ring
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Description
第１図は、油圧リターダ装置に装着されたオイ
ルポンプ状態図、第２図は、オイルポンプの内歯
歯車ポンプ構造図であつて、Ａは、輪切り断面図
、Ｂは、縦断面図、Ｃは、ポンプケースの側面図
である。
１…クランク軸、２…フライホイール、３…油
圧リターダ、３ａ…ロータ、３ｂ…ステータ、４
…オイルポンプ、５…外歯歯車、５ａ，６ａ…歯
溝、６…内歯リング歯車、６ｆ…内歯リング歯車
外周面、７…ポンプケース、７ａ…吸入口、７ｂ
…吐出口、７ｃ…三日月形仕切り、７ｆ…ポンプ
ケース内周面、Ｒ…油圧リターダ装置。
Fig. 1 is a state diagram of an oil pump installed in a hydraulic retarder device, and Fig. 2 is a structural diagram of an internal gear pump of the oil pump, in which A is a cross-sectional view, B is a longitudinal cross-sectional view, and C is a cross-sectional view. is a side view of the pump case. 1... Crankshaft, 2... Flywheel, 3... Hydraulic retarder, 3a... Rotor, 3b... Stator, 4
...Oil pump, 5...External gear, 5a, 6a...Tooth groove, 6...Internal ring gear, 6f...Internal ring gear outer circumferential surface, 7...Pump case, 7a...Suction port, 7b
...Discharge port, 7c...Crescent partition, 7f...Inner peripheral surface of pump case, R...Hydraulic retarder device.
Claims (1)
ライブ外歯歯車と、それら歯車を収容し、その歯
車の噛合部分前後近傍側面に出入口を備えたポン
プケースとよりなる内歯歯車ポンプにおいて、内
歯リング歯車外周面とポンプケース内周面との間
にニードル軸受等、滑り軸受を装着し、フリクシ
ヨンロスを軽減させたことを特徴とするフリクシ
ヨンロス軽減構造。 In an internal gear pump consisting of a Dorian internal ring gear, a drive external gear inscribed therein, and a pump case that accommodates these gears and has an inlet/outlet on the side surface near the front and back of the meshing part of the gear, the internal ring gear A friction loss reduction structure characterized by installing a sliding bearing such as a needle bearing between the outer circumferential surface and the inner circumferential surface of the pump case to reduce friction loss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1769487U JPS63126571U (en) | 1987-02-12 | 1987-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1769487U JPS63126571U (en) | 1987-02-12 | 1987-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63126571U true JPS63126571U (en) | 1988-08-18 |
Family
ID=30810680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1769487U Pending JPS63126571U (en) | 1987-02-12 | 1987-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63126571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004061309A1 (en) * | 2002-12-24 | 2004-07-22 | Koyo Seiko Co., Ltd. | Electric internal gear pump |
-
1987
- 1987-02-12 JP JP1769487U patent/JPS63126571U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004061309A1 (en) * | 2002-12-24 | 2004-07-22 | Koyo Seiko Co., Ltd. | Electric internal gear pump |