JPS58120882U - Swash plate type axial piston pump - Google Patents
Swash plate type axial piston pumpInfo
- Publication number
- JPS58120882U JPS58120882U JP1645182U JP1645182U JPS58120882U JP S58120882 U JPS58120882 U JP S58120882U JP 1645182 U JP1645182 U JP 1645182U JP 1645182 U JP1645182 U JP 1645182U JP S58120882 U JPS58120882 U JP S58120882U
- Authority
- JP
- Japan
- Prior art keywords
- swash plate
- piston pump
- axial piston
- plate type
- type axial
- 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
Landscapes
- Reciprocating Pumps (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は公知の斜板型アキシャルピストンポンプを示す
縦断面図、第2図は第1図の水平断面図、第3図および
第4図はそれぞれ第1図の■−■およびIV−IVに沿
った横断面図、第5図は本考案の一実施例を示す縦断面
図、第6図は第5図の水平断面図、第7図および第8図
c−hそれぞれ第5図の■−■および■−■に沿った横
断面図である。
1・・・ケシイング、2・・・フロントカバー、3・・
・リヤカバー、4.5・・・軸受、6・・・主軸、7・
・・シリンダバレル、訃・・スプライン、9・・・固定
バルブフレート、10・・・シリンダ、11.11’、
11“・・・シリンダポート、11a・・・ノツチポー
ト、12・・・低圧ポート、12a・・・絞り通路、1
3・・・高圧ポート、13a・・・絞り通路、14・・
・吸込口、15・・・吐出口、16・・・ピストン、1
7・・・スリッパ、19・・・斜板、20・・・低圧側
リターンポート、2゛1・・・高圧側リターンポート、
22・・・導通路。
2 i4
′(A〜
→H
一−IFig. 1 is a longitudinal sectional view showing a known swash plate type axial piston pump, Fig. 2 is a horizontal sectional view of Fig. 1, and Figs. 5 is a longitudinal sectional view showing an embodiment of the present invention, FIG. 6 is a horizontal sectional view of FIG. 5, and FIGS. FIG. 3 is a cross-sectional view taken along ■-■ and ■-■. 1... Keshiing, 2... Front cover, 3...
・Rear cover, 4.5... Bearing, 6... Main shaft, 7.
...Cylinder barrel, butt...Spline, 9...Fixed valve plate, 10...Cylinder, 11.11',
11"... Cylinder port, 11a... Notch port, 12... Low pressure port, 12a... Throttle passage, 1
3... High pressure port, 13a... Throttle passage, 14...
・Suction port, 15...Discharge port, 16...Piston, 1
7...Slipper, 19...Swash plate, 20...Low pressure side return port, 2゛1...High pressure side return port,
22... Conduction path. 2 i4 ′(A~ →H 1-I
Claims (1)
された複数のシリンダ内にそれぞれ挿入されたピストン
を斜板を介して往復動させ各シリンダポートより固定バ
ルブプレートを介して作動油を吸込吐出するようにした
斜板型アキシャルピストンポンプにおいて、上記固定バ
ルブプレートの低圧ポートと高圧ポートとの間にそれぞ
れリターンポートを設け、上記両リターンポートを連通
ずると\もに、上記各シリンダポートに切欠部を設け、
上記切欠部のみが対称的に上記各リターンポートに会合
するようにしたことを特徴とする斜板型アキシャルピス
トンポンプ。Pistons inserted into multiple cylinders drilled in the axial direction around the axis of a rotating cylinder block are reciprocated via a swash plate, and hydraulic oil is sucked from each cylinder port via a fixed valve plate. In a swash plate type axial piston pump configured to discharge, a return port is provided between the low pressure port and the high pressure port of the fixed valve plate, and when both of the return ports are communicated with each other, each of the cylinder ports is Provide a notch,
A swash plate type axial piston pump, characterized in that only the cutout portions meet symmetrically with each of the return ports.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1645182U JPS58120882U (en) | 1982-02-10 | 1982-02-10 | Swash plate type axial piston pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1645182U JPS58120882U (en) | 1982-02-10 | 1982-02-10 | Swash plate type axial piston pump |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58120882U true JPS58120882U (en) | 1983-08-17 |
Family
ID=30028818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1645182U Pending JPS58120882U (en) | 1982-02-10 | 1982-02-10 | Swash plate type axial piston pump |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58120882U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009097515A (en) * | 2007-10-15 | 2009-05-07 | Linde Material Handling Gmbh | Hydrostatic axial piston machine |
-
1982
- 1982-02-10 JP JP1645182U patent/JPS58120882U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009097515A (en) * | 2007-10-15 | 2009-05-07 | Linde Material Handling Gmbh | Hydrostatic axial piston machine |
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