JP2008075568A - 回転斜板式ピストンポンプのバレル - Google Patents
回転斜板式ピストンポンプのバレル Download PDFInfo
- Publication number
- JP2008075568A JP2008075568A JP2006256109A JP2006256109A JP2008075568A JP 2008075568 A JP2008075568 A JP 2008075568A JP 2006256109 A JP2006256109 A JP 2006256109A JP 2006256109 A JP2006256109 A JP 2006256109A JP 2008075568 A JP2008075568 A JP 2008075568A
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- JP
- Japan
- Prior art keywords
- port
- barrel
- oil
- cylinder
- piston pump
- 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.)
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- Reciprocating Pumps (AREA)
Abstract
【課題】バレルのシリンダポートに生じるエロージョンを有効に防止することができる技術を提供しようとする。
【解決手段】各シリンダポート2のポート口2aの油路21のうち、回転後方側の壁面を、回転方向に向けて傾斜させた。
【選択図】図1
Description
2 シリンダポート
2a ポート口
20 ポート本体油路
21 ポート口油路
5 バルブプレート
Claims (1)
- 各シリンダポートのポート口の油路のうち、回転後方側の壁面を、回転方向に向けて傾斜させたことを特徴とする 回転斜板式ピストンポンプのバレル。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006256109A JP2008075568A (ja) | 2006-09-21 | 2006-09-21 | 回転斜板式ピストンポンプのバレル |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006256109A JP2008075568A (ja) | 2006-09-21 | 2006-09-21 | 回転斜板式ピストンポンプのバレル |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2008075568A true JP2008075568A (ja) | 2008-04-03 |
Family
ID=39347894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006256109A Pending JP2008075568A (ja) | 2006-09-21 | 2006-09-21 | 回転斜板式ピストンポンプのバレル |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2008075568A (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012148961A2 (en) * | 2011-04-28 | 2012-11-01 | Caterpillar Inc. | Hydraulic piston pump with reduced restriction barrel passage |
US8776511B2 (en) | 2011-06-28 | 2014-07-15 | Caterpillar Inc. | Energy recovery system having accumulator and variable relief |
US8850806B2 (en) | 2011-06-28 | 2014-10-07 | Caterpillar Inc. | Hydraulic control system having swing motor energy recovery |
US8919113B2 (en) | 2011-06-28 | 2014-12-30 | Caterpillar Inc. | Hydraulic control system having energy recovery kit |
CN104295484A (zh) * | 2014-08-12 | 2015-01-21 | 龙工(上海)精工液压有限公司 | 一种增强自吸能力的缸体结构 |
US9068575B2 (en) | 2011-06-28 | 2015-06-30 | Caterpillar Inc. | Hydraulic control system having swing motor energy recovery |
US9139982B2 (en) | 2011-06-28 | 2015-09-22 | Caterpillar Inc. | Hydraulic control system having swing energy recovery |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58152177A (ja) * | 1982-03-05 | 1983-09-09 | Hitachi Constr Mach Co Ltd | 液圧ポンプ |
JPS599181U (ja) * | 1982-07-09 | 1984-01-20 | 三菱重工業株式会社 | 流体機械 |
JPH06129343A (ja) * | 1992-10-14 | 1994-05-10 | Hitachi Ltd | アキシャルピストン機械 |
-
2006
- 2006-09-21 JP JP2006256109A patent/JP2008075568A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58152177A (ja) * | 1982-03-05 | 1983-09-09 | Hitachi Constr Mach Co Ltd | 液圧ポンプ |
JPS599181U (ja) * | 1982-07-09 | 1984-01-20 | 三菱重工業株式会社 | 流体機械 |
JPH06129343A (ja) * | 1992-10-14 | 1994-05-10 | Hitachi Ltd | アキシャルピストン機械 |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012148961A2 (en) * | 2011-04-28 | 2012-11-01 | Caterpillar Inc. | Hydraulic piston pump with reduced restriction barrel passage |
WO2012148961A3 (en) * | 2011-04-28 | 2013-01-10 | Caterpillar Inc. | Hydraulic piston pump with reduced restriction barrel passage |
CN103492727A (zh) * | 2011-04-28 | 2014-01-01 | 卡特彼勒公司 | 具有减小的筒限制通路的液压活塞泵 |
US8668469B2 (en) | 2011-04-28 | 2014-03-11 | Caterpillar Inc. | Hydraulic piston pump with reduced restriction barrel passage |
US9151280B2 (en) | 2011-04-28 | 2015-10-06 | Caterpillar Inc. | Hydraulic piston pump with reduced restriction barrel passage |
CN103492727B (zh) * | 2011-04-28 | 2016-03-23 | 卡特彼勒公司 | 具有减小的筒限制通路的液压活塞泵 |
US8776511B2 (en) | 2011-06-28 | 2014-07-15 | Caterpillar Inc. | Energy recovery system having accumulator and variable relief |
US8850806B2 (en) | 2011-06-28 | 2014-10-07 | Caterpillar Inc. | Hydraulic control system having swing motor energy recovery |
US8919113B2 (en) | 2011-06-28 | 2014-12-30 | Caterpillar Inc. | Hydraulic control system having energy recovery kit |
US9068575B2 (en) | 2011-06-28 | 2015-06-30 | Caterpillar Inc. | Hydraulic control system having swing motor energy recovery |
US9139982B2 (en) | 2011-06-28 | 2015-09-22 | Caterpillar Inc. | Hydraulic control system having swing energy recovery |
CN104295484A (zh) * | 2014-08-12 | 2015-01-21 | 龙工(上海)精工液压有限公司 | 一种增强自吸能力的缸体结构 |
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