JPS637286U - - Google Patents
Info
- Publication number
- JPS637286U JPS637286U JP9897586U JP9897586U JPS637286U JP S637286 U JPS637286 U JP S637286U JP 9897586 U JP9897586 U JP 9897586U JP 9897586 U JP9897586 U JP 9897586U JP S637286 U JPS637286 U JP S637286U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- discharge port
- pressure introduction
- cam ring
- plunger
- 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
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
Landscapes
- Reciprocating Pumps (AREA)
Description
第１図は本考案の縦断正面図、第２図は第１図
―線矢視断面図、第３図は従来構造の断面図
である。
１……カムリング、２……中間リング、３……
ロータ、４……プランジヤ、５……ポンプ室、６
……吸入ポート、７……吐出ポート、１０……圧
力導入溝、１１……圧力導入路。
FIG. 1 is a longitudinal sectional front view of the present invention, FIG. 2 is a sectional view taken along the line shown in FIG. 1, and FIG. 3 is a sectional view of the conventional structure. 1...Cam ring, 2...Intermediate ring, 3...
Rotor, 4...Plunger, 5...Pump chamber, 6
...Suction port, 7...Discharge port, 10...Pressure introduction groove, 11...Pressure introduction path.
Claims (1)
、カムリングの内周に相対回転摺動可能に嵌装さ
れた中間リングと、この中間リングの内部で偏心
回転するロータと、このロータに放射状に設けら
れ前記中間リングに接して半径方向に滑動するプ
ランジヤと、ロータの回転につれてプランジヤ間
に区画された各ポンプ室の容積増減で吸入ポート
から液体を吸い込み、吐出ポートより吐出するプ
ランジヤポンプにおいて、前記カムリングの内面
の前記吐出ポートと略同じ角度位置に圧力導入溝
を設け、この圧力導入溝と吐出ポートとを圧力導
入路にて連通したことを特徴とするプランジヤポ
ンプ。 a cam ring, an intermediate ring that is concentric with the cam ring and is fitted on the inner periphery of the cam ring so as to be able to rotate relative to the ring; a rotor that rotates eccentrically within the intermediate ring; In a plunger pump, which has a plunger that slides in the radial direction in contact with the ring, and which sucks liquid from a suction port and discharges it from a discharge port by increasing and decreasing the volume of each pump chamber partitioned between the plungers as the rotor rotates, A plunger pump characterized in that a pressure introduction groove is provided at approximately the same angular position as the discharge port, and the pressure introduction groove and the discharge port are communicated through a pressure introduction passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9897586U JPS637286U (en) | 1986-06-30 | 1986-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9897586U JPS637286U (en) | 1986-06-30 | 1986-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS637286U true JPS637286U (en) | 1988-01-18 |
Family
ID=30967431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9897586U Pending JPS637286U (en) | 1986-06-30 | 1986-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS637286U (en) |
-
1986
- 1986-06-30 JP JP9897586U patent/JPS637286U/ja active Pending