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公开(公告)号：US20120006432A1
公开(公告)日：2012-01-12
申请号：US13255940
申请日：2010-03-05
IPC分类号： F04B23/02
CPC分类号： F15B1/26 , F15B2211/20592 , F15B2211/615 , Y10T137/3109 , Y10T137/85978 , Y10T137/86043 , Y10T137/86187 , Y10T137/86348
摘要： The invention relates to an system for supplying a hydraulic circuit with hydraulic fluid. The system includes a working reservoir and an auxiliary reservoir connected to the working reservoir by a hydraulic line. An air pump has an inlet connected to a suction line that opens into a liquid-free portion of the auxiliary reservoir so that a negative pressure can be built up in the auxiliary reservoir relative to the atmospheric ambient pressure. The air pump inlet is also connected to a control line, which comprises a control opening which is covered by the hydraulic fluid in the working reservoir, at least before the air pump is started up.
摘要翻译： 本发明涉及一种用于向液压回路提供液压流体的系统。 该系统包括通过液压管线连接到工作储存器的工作储存器和辅助储存器。 空气泵具有连接到吸入管线的入口，该吸入管线通向辅助储存器的无液体部分，使得相对于大气环境压力可以在辅助储存器中建立负压。 空气泵入口还连接到控制线，控制线包括至少在空气泵启动之前由工作容器中的液压流体覆盖的控制开口。
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公开(公告)号：US08151818B2
公开(公告)日：2012-04-10
申请号：US12551725
申请日：2009-09-01
IPC分类号： F15D1/00
CPC分类号： F15B1/26 , F15B2211/20592 , F15B2211/615 , Y10T137/3109 , Y10T137/85978 , Y10T137/86043 , Y10T137/86187 , Y10T137/86348
摘要： The invention concerns a system for supplying hydraulic fluid to a hydraulic system, with an operating reservoir that accepts the hydraulic fluid provided for the operation of the hydraulic system and an auxiliary reservoir connected to the operating reservoir over a hydraulic line for intermediate storage of hydraulic fluid withdrawn from the operating reservoir. According to the invention, an air pump is available that is connected on the one hand on its low pressure side to a suction line that ends in a fluid free area of the auxiliary reservoir, so that a negative pressure can be built up in the auxiliary reservoir as against the external atmospheric pressure, and that is connected, on the other hand, to a control line that is provided with a control opening that is covered by the hydraulic fluid in the operating reservoir at least before the air pump is put into operation.
摘要翻译： 本发明涉及一种用于向液压系统供应液压流体的系统，操作容器接受为液压系统的操作提供的液压流体和连接到操作容器的辅助储液器，用于液压管路用于液压流体的中间储存 从经营水库撤出。 根据本发明，一个空气泵一方面在其低压侧连接到终止于辅助储存器的无流体区域的吸入管线，从而可以在辅助装置中建立负压 另一方面，连接到控制线，控制线至少在空气泵投入运行之前设置有由操作容器内的液压流体覆盖的控制开口 。
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公开(公告)号：US20100051123A1
公开(公告)日：2010-03-04
申请号：US12551725
申请日：2009-09-01
IPC分类号： F15D1/00
CPC分类号： F15B1/26 , F15B2211/20592 , F15B2211/615 , Y10T137/3109 , Y10T137/85978 , Y10T137/86043 , Y10T137/86187 , Y10T137/86348
摘要： The invention concerns a system for supplying hydraulic fluid to a hydraulic system, with an operating reservoir that accepts the hydraulic fluid provided for the operation of the hydraulic system and an auxiliary reservoir connected to the operating reservoir over a hydraulic line for intermediate storage of hydraulic fluid withdrawn from the operating reservoir. According to the invention, an air pump is available that is connected on the one hand on its low pressure side to a suction line that ends in a fluid free area of the auxiliary reservoir, so that a negative pressure can be built up in the auxiliary reservoir as against the external atmospheric pressure, and that is connected, on the other hand, to a control line that is provided with a control opening that is covered by the hydraulic fluid in the operating reservoir at least before the air pump is put into operation.
摘要翻译： 本发明涉及一种用于向液压系统供应液压流体的系统，操作容器接受为液压系统的操作提供的液压流体和连接到操作容器的辅助储液器，用于液压管路用于液压流体的中间储存 从经营水库撤出。 根据本发明，一个空气泵一方面在其低压侧连接到终止于辅助储存器的无流体区域的吸入管线，从而可以在辅助装置中建立负压 另一方面，连接到控制线，控制线至少在空气泵投入运行之前设置有由操作容器内的液压流体覆盖的控制开口 。
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