JPH0180686U - - Google Patents
Info
- Publication number
- JPH0180686U JPH0180686U JP1987177028U JP17702887U JPH0180686U JP H0180686 U JPH0180686 U JP H0180686U JP 1987177028 U JP1987177028 U JP 1987177028U JP 17702887 U JP17702887 U JP 17702887U JP H0180686 U JPH0180686 U JP H0180686U
- Authority
- JP
- Japan
- Prior art keywords
- internal gear
- surface side
- casing
- communicates
- discharge port
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
Description
第１図は本考案をトロコイド型内接形歯車ポン
プに適用した実施例を示す断面図、第２図は第１
図中―線断面図、第３ａ図、第３ｂ図は本考
案に使用する内歯歯車の形状を示す各斜視図、第
４図は本考案と従来例との吐出能力を比較して示
す回転数―吐出量指数の相関関係を示すグラフ、
第５図、第６図は仕切板付内接形歯車ポンプ、ト
ロコイド型内接形歯車ポンプのそれぞれ従来例を
示す構造説明図である。
１０……トロコイドポンプ、１１……吸入口、
１２……吐出口、１３……ケーシング、１５……
内歯歯車、１６……外歯歯車、１８ａ……端面溝
、１８ｂ……貫通孔、１９……吸入ポート、２０
……吐出ポート、２１……搬送空間。
Fig. 1 is a sectional view showing an embodiment in which the present invention is applied to a trochoid type internal gear pump, and Fig. 2 is a sectional view showing an embodiment in which the present invention is applied to a trochoid type internal gear pump.
In the figure, the cross-sectional view, Figures 3a and 3b are perspective views showing the shape of the internal gear used in the present invention, and Figure 4 is a rotational view comparing the discharge capacity of the present invention and a conventional example. Graph showing the correlation between number and discharge rate index,
FIGS. 5 and 6 are structural explanatory diagrams showing conventional examples of an internal gear pump with a partition plate and a trochoid internal gear pump, respectively. 10... Trochoid pump, 11... Suction port,
12...Discharge port, 13...Casing, 15...
Internal gear, 16...External gear, 18a...End groove, 18b...Through hole, 19...Suction port, 20
...Discharge port, 21...Transfer space.
Claims (1)
シングと、このケーシング内に内装される内歯歯
車と、内歯歯車の歯数と相異なる歯数を有し、内
歯歯車と偏心状態で内接噛合する外歯歯車とを備
え、両歯車間に搬送空間を形成するようにした内
接形歯車ポンプにおいて、 前記内歯歯車には歯溝から外周面に通じる貫通
孔かもしくは端面溝が形成されているとともに、
ケーシングの吸入口と連通する吸入ポートが内歯
歯車の端面側および外周面側に設けられ、かつケ
ーシングの吐出口と連通する吐出ポートが内歯歯
車の端面側または外周面側に設けられていること
を特徴とする内接形歯車ポンプ。[Claims for Utility Model Registration] An inner cylindrical casing having an inlet and an outlet, an internal gear housed within the casing, and a number of teeth different from that of the internal gear, An internal gear pump comprising an internal gear and an external gear that mesh internally in an eccentric state to form a conveying space between the two gears, wherein the internal gear has a tooth groove that communicates with the outer circumferential surface. A through hole or an end groove is formed, and
A suction port that communicates with the suction port of the casing is provided on the end surface side and the outer peripheral surface side of the internal gear, and a discharge port that communicates with the discharge port of the casing is provided on the end surface side or the outer peripheral surface side of the internal gear. An internal gear pump characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177028U JPH0180686U (en) | 1987-11-19 | 1987-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177028U JPH0180686U (en) | 1987-11-19 | 1987-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0180686U true JPH0180686U (en) | 1989-05-30 |
Family
ID=31468716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987177028U Pending JPH0180686U (en) | 1987-11-19 | 1987-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0180686U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014034878A (en) * | 2012-08-07 | 2014-02-24 | Fuji Koki Corp | Pump for liquid refrigerant circulation |
| KR200483063Y1 (en) * | 2015-11-24 | 2017-03-30 | 훌루테크 주식회사 | internal gear pump |
-
1987
- 1987-11-19 JP JP1987177028U patent/JPH0180686U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014034878A (en) * | 2012-08-07 | 2014-02-24 | Fuji Koki Corp | Pump for liquid refrigerant circulation |
| KR200483063Y1 (en) * | 2015-11-24 | 2017-03-30 | 훌루테크 주식회사 | internal gear pump |