资料来源:发明专利公报;公开号:CN1036520A;申请日期:1989年3月21日;申请号:89101608.2;公开日期:1989月10月25日;申请人:(西班牙)维森特·洛派兹该措施是:使用一种高弹性薄膜13作为阀的元件,通过法兰14和17固定于支撑板15上,形成环状腔18;通过管道19增大压力,使薄膜13向关闭位置变形而靠紧在阀座24上;将排放存在于扩散管9中残留空气的排气管道22,轴向连接到安置在薄膜支撑板中心的开口上。 Publication Date: March 21, 1989; Application No .: 89101608.2; Date of Publication: October 25, 1989; Applicant: (Spain) Vicente Lopez This is accomplished by using a highly elastic film 13 as a valve element secured to the support plate 15 by flanges 14 and 17 to form an annular chamber 18 and increasing pressure through conduit 19 to deform the membrane 13 to the closed position Abutting against the valve seat 24; and the exhaust pipe 22 discharging the residual air existing in the diffuser pipe 9 is axially connected to an opening disposed at the center of the film support plate.