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21. 发明申请

US20090183786A1 Displacement Control Valve 有权
标题翻译：排量控制阀
公开(公告)号：US20090183786A1
公开(公告)日：2009-07-23
申请号：US12282879
申请日：2007-03-15
申请人： Toshiaki Iwa , Ryosuke Cho , Ichiro Hirata , Matthew R. Warren , Ernest Jose Gutierrez
发明人： Toshiaki Iwa , Ryosuke Cho , Ichiro Hirata , Matthew R. Warren , Ernest Jose Gutierrez
IPC分类号： F16K31/06 , F16K31/124
CPC分类号： F04B27/1804 , F04B2027/1827 , F04B2027/1831 , F04B2027/1845 , Y10T137/0329 , Y10T137/7761 , Y10T137/7762
摘要： The present invention comprising a valve main body having a first valve chamber, a second valve chamber and a third valve chamber, said first valve chamber communicating with a first communication passage, said second valve chamber having a second valve seat face for a valve hole and communicating with a second communication passage, said third valve chamber having a third valve seat face and communicating with a third communication passage; a valve body having a first valve member, a second valve member and a third valve member, said second valve member having a intermediate communication passage therein communicating with said first valve chamber and said third communication passage, said second valve member opening and closing a valve hole with respect to second valve seat face, thereby communicating with said first valve chamber and said second valve chamber, said third valve member performing a valve opening/closing action with respect to said third valve seat face in an reverse manner against said second valve member, thereby opening or closing the communication with said intermediate communication passage and said third communication passage, said first valve member performing a valve opening/closing action in the same direction to said second valve member; a pressure sensing member having a valve seat portion, said valve seat portion being disposed at a free end of said pressure sensing member, said valve seat portion performing a valve opening/closing action with respect to said first valve member, thereby opening or closing the communication with said first valve chamber and said intermediate communication passage; and a solenoid member driving said valve body in accordance with an electric current supplied thereto; and an auxiliary communication passage providing a communication between said first valve chamber and said intermediate communication passage.
摘要翻译：本发明包括具有第一阀室，第二阀室和第三阀室的阀主体，所述第一阀室与第一连通通道连通，所述第二阀室具有用于阀孔的第二阀座面，与第二连通通道连通，所述第三阀室具有第三阀座面并与第三连通通道连通; 具有第一阀构件，第二阀构件和第三阀构件的阀体，所述第二阀构件具有与所述第一阀室和所述第三连通通道连通的中间连通通道，所述第二阀构件打开和关闭阀相对于第二阀座面的孔，由此与所述第一阀室和所述第二阀室连通，所述第三阀构件相对于所述第三阀座面以相反的方式对所述第二阀构件进行阀打开/关闭动作从而打开或关闭与所述中间连通通道和所述第三连通通道的连通，所述第一阀构件沿与所述第二阀构件相同的方向执行阀打开/关闭动作; 具有阀座部的压力检测部件，所述阀座部分设置在所述压力检测部件的自由端，所述阀座部分相对于所述第一阀部件进行阀开/关动作，由此打开或关闭与所述第一阀室和所述中间连通通道连通; 以及螺线管构件，其根据供给到所述阀体的电流驱动所述阀体; 以及辅助连通通道，其在所述第一阀室和所述中间连通通道之间提供连通。

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