JPS61179386U - - Google Patents
Info
- Publication number
- JPS61179386U JPS61179386U JP6494485U JP6494485U JPS61179386U JP S61179386 U JPS61179386 U JP S61179386U JP 6494485 U JP6494485 U JP 6494485U JP 6494485 U JP6494485 U JP 6494485U JP S61179386 U JPS61179386 U JP S61179386U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- gear
- high pressure
- bush
- low pressure
- 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
- 238000009795 derivation Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
- Hydraulic Motors (AREA)
Description
図面第１，２図はこの考案の実施例を示すもの
で、ギヤの変位に応じた要部の斜視図、第３〜５
図は従来のギヤポンプを示すもので、第３図は断
面図、第４図は要部の斜視図、第５図はギヤの刃
先の絞り通路との関係を示す正面図である。
４，５…ギヤ、１０〜１３…ブツシユ、Ｈ…高
圧エリヤ、Ｌ…低圧エリヤ、Ｍ…中間圧エリヤ、
１４…絞り通路、１５…圧力導出通路、１６…ス
ピードスロツト、Ｇ１，Ｇ２…歯溝。
Figures 1 and 2 of the drawings show an embodiment of this invention, and are perspective views of the main parts according to the displacement of the gear, and Figures 3 to 5.
The figures show a conventional gear pump; FIG. 3 is a cross-sectional view, FIG. 4 is a perspective view of the main parts, and FIG. 5 is a front view showing the relationship between the cutting edge of the gear and the throttle passage. 4, 5... Gear, 10-13... Bush, H... High pressure area, L... Low pressure area, M... Intermediate pressure area,
14... Restriction passage, 15... Pressure derivation passage, 16... Speed slot, G1 , G2 ... Tooth groove.
Claims (1)
に、このギヤとは反対側面である当該ブツシユ又
は側板の外側に、高圧エリヤと低圧エリヤとを区
画し、さらに上記ギヤの回転数に応じて、歯溝内
の圧力が激しく変化する回転位置に対応する部分
に、中間圧エリヤを区画するとともに、この中間
圧エリヤとギヤの歯溝側とを、絞り通路及び圧力
導出通路を介して連通させ、絞り通路のギヤ側開
口端を、当該歯溝圧力が低圧から高圧に変化する
過程の高圧側に連通し、圧力導出通路は上記低圧
側に連通し、さらに、絞り通路が開口する当該歯
溝内に、吐出ポートに連通するスピードスロツト
を開口させたギヤポンプ又はモータにおいて、上
記スピードスロツト先端が、絞り通路よりも低圧
側に位置する構成にしたギヤポンプ又はモータ。 A bush or a side plate is provided on the side surface of the gear, and a high pressure area and a low pressure area are defined on the outside of the bush or side plate, which is the opposite side of the gear. An intermediate pressure area is defined in a portion corresponding to a rotational position where the pressure of The opening end on the gear side is connected to the high pressure side where the tooth groove pressure changes from low pressure to high pressure, the pressure derivation passage is connected to the low pressure side, and the throttle passage is opened into the tooth groove. A gear pump or motor having an open speed slot that communicates with a port, wherein the tip of the speed slot is located on a lower pressure side than a throttle passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6494485U JPH0421031Y2 (en) | 1985-04-30 | 1985-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6494485U JPH0421031Y2 (en) | 1985-04-30 | 1985-04-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61179386U true JPS61179386U (en) | 1986-11-08 |
| JPH0421031Y2 JPH0421031Y2 (en) | 1992-05-13 |
Family
ID=30596496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6494485U Expired JPH0421031Y2 (en) | 1985-04-30 | 1985-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0421031Y2 (en) |
-
1985
- 1985-04-30 JP JP6494485U patent/JPH0421031Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0421031Y2 (en) | 1992-05-13 |
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