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1. 发明申请

WO1998026168A1 PRESSURE BALANCED GAS INJECTION VALVE 审中-公开
标题翻译：压力平衡气体注入阀
公开(公告)号：WO1998026168A1
公开(公告)日：1998-06-18
申请号：PCT/AU1997000842
申请日：1997-12-11
申请人： GOYEN CONTROLS CO. PTY. LTD. , UPHAM, Ronda, Gai , UPHAM, John, Dillon , LYMER, Gary, Keith
发明人： GOYEN CONTROLS CO. PTY. LTD. , UPHAM, Ronda, Gai
IPC分类号： F02D19/02
CPC分类号： F16K31/0693 , F02M21/0212 , F02M21/0239 , F02M21/0242 , F02M21/0254 , F02M21/0257 , F16K31/0696 , Y02T10/32
摘要： The valve (2) includes a main valve body (4) and an electromagnetic actuator (5). Valve body (4) defines an inlet chamber (65) with a radial inlet port (54) and an outlet chamber (67) with a radial outlet port (56). Valve means in the form of a generally tubular valve stem (6) projects from the valve body (2) into the actuator (5). The valve stem (6) is moved to open the valve by energising actuator (5). Two separate flow paths are defined between inlet chamber (65) and outlet chamber (67). The first is a direct annular passage (71) about the valve stem (6). The other flow path is via the interior (18) of hollow tubular valve stem (6) and an annular third chamber (70) defined by a valve insert (68). Interior passage (18) of valve stem (6) communicates respectively with inlet chamber (65) and third chamber (70) by respective rings of ports (16, 14) in the valve stem (6). The arrangement is such that the static pressure in the third chamber (70) communicated from inlet chamber (65) via ports (16), passage (18) and ports (14) acts on flange (20) and an adjacent portion of valve sealing ring (28) in the opposite direction to that of the pressure in inlet chamber (65) on flange (26) and sealing ring (30), whereby the static fluid pressure in the third chamber opposes the action on the valve stem (6) of the static fluid pressure in the inlet chamber, when the valve is closed. This arrangement is effective to reduce the force required to move the valve stem (6) when opening the valve (2) by energising actuator (5).
摘要翻译：阀（2）包括主阀体（4）和电磁致动器（5）。阀体（4）限定具有径向入口（54）和具有径向出口（56）的出口室（67）的入口室（65）。大致管状的阀杆（6）形式的阀装置从阀体（2）突出到致动器（5）中。通过激励致动器（5），使阀杆（6）移动以打开阀门。在入口室（65）和出口室（67）之间限定两个独立的流动路径。第一个是围绕阀杆（6）的直接环形通道（71）。另一个流动路径是经由中空管状阀杆（6）的内部（18）和由阀芯（68）限定的环形第三腔室（70）。阀杆（6）的内部通道（18）通过阀杆（6）中的相应的端口（16,14）环分别与入口室（65）和第三室（70）连通。该布置使得从入口室（65）经由端口（16），通道（18）和端口（14）连通的第三室（70）中的静压力作用在凸缘（20）上并且阀的密封的相邻部分环（28）的方向与法兰（26）和密封环（30）上的入口室（65）中的压力相反，由此第三室中的静态流体压力与阀杆（6）上的作用相反，当阀关闭时，入口室中的静态流体压力。这种布置有效地减小当通过激励致动器（5）打开阀门（2）时移动阀杆（6）所需的力。

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