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1. 发明申请

WO2008136725A1 A PRESSURE AND VACUUM VALVE DEVICE 审中-公开
标题翻译：压力和真空阀装置
公开(公告)号：WO2008136725A1
公开(公告)日：2008-11-13
申请号：PCT/SE2008/000293
申请日：2008-04-28
申请人： WENNSTROM FLOW CONTROL AB , BREHMER, Roland , ANDERSSON, Urban
发明人： BREHMER, Roland , ANDERSSON, Urban
IPC分类号： F16K17/194 , B65D90/34
CPC分类号： F16K17/194 , B65D90/34 , F16K24/00
摘要： A pressure and vacuum valve device for a venting line to a fuel tank, wherein the venting line comprises a first section (31, 32) which contains a pressure valve (3, 15), which opens when the pressure in the tank exceeds a preset value depending on the mass of a valve plate (3) being comprised in the pres¬ sure valve, which in a sealing way rests on a seat (15) in the first line section and wherein the venting line has a second line section (42, 47), which contains a vacuum valve (50, 52), which opens when the pressure in the tank falls down to a preset value underneath the atmospheric pressure, wherein the vacuum valve comprises an annular plate (50), which under the influence of gravity in a sealing way rests on at least one valve seat (48) through which the second line section extends. The valve plate (3) of the pressure valve is provided with the valve seat (48) of the vacuum valve and supports the valve plate (50, 52) of the vacuum valve, a vertical through opening (47) in the pressure valve plate (3) being arranged to be opened and closed, respectively, by the vacuum valve plate (50, 52).
摘要翻译：一种用于到达燃料箱的排放管线的压力和真空阀装置，其中所述通风管线包括第一部分（31,32），所述第一部分包含压力阀（3,15），所述压力阀在所述罐中的压力超过预设值时打开取决于包括在压力阀中的阀板（3）的质量，其以密封方式搁置在第一线路部分中的座椅（15）上，并且其中通气线具有第二线路段（42），47），其包含真空阀（50,52），当所述罐中的压力下降到大气压下的预设值时，所述真空阀打开，其中所述真空阀包括在所述影响下的环形板（50）重力以密封方式搁置在至少一个阀座（48）上，第二线段延伸通过该阀座。压力阀的阀板（3）设置有真空阀的阀座（48）并支撑真空阀的阀板（50,52），压力阀板中的垂直通孔（47）（3）分别被真空阀板（50,52）打开和关闭。

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