发明名称 |
FLOW MANAGEMENT SYSTEM FOR HYDRAULIC WORK MACHINE |
摘要 |
<p>A flow management system capable of providing adjustable hydraulic fluid flow or pressure at a common line to supply bidirectional pumps in electro-hydrostatic actuation systems and conditioning re-circulated hydraulic fluid. The system enables flow sharing between multiple actuation systems and minimization of energy consumption by a power-on-demand approach and/or electrical energy regeneration while eliminating the need for an accumulator. The system has particular application to electro-hydrostatic actuation systems that typically include bi-directional electric motor driven pumps and unbalanced hydraulic actuators connected within closed circuits to provide work output against external loads and reversely recover energy from externally applied loads.</p> |
申请公布号 |
EP2252799(B1) |
申请公布日期 |
2014.06.11 |
申请号 |
EP20090709863 |
申请日期 |
2009.02.11 |
申请人 |
PARKER-HANNIFIN CORPORATION |
发明人 |
PERSSON, BENGT-GORAN;VANDERLAAN, DALE;KASPER, LEW |
分类号 |
F15B21/08;E02F9/22;F15B7/00 |
主分类号 |
F15B21/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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