公开(公告)号：US20140264103A1

公开(公告)日：2014-09-18

申请号：US13832915

申请日：2013-03-15

Applicant: WABTEC HOLDING CORP.

Inventor： Andrew F. Pressley ,  Jeremy R. King ,  Philip J. Marino

IPC: F16K31/126

CPC classification number: F16K31/126

Abstract: A valve diaphragm for a pneumatic valve includes a diaphragm body having an annular shape defining an inner diameter and an outer diameter. The diaphragm body includes a conical portion extending radially inward from the outer diameter toward the inner diameter and a curved portion extending between the conical portion and the inner diameter.

Abstract translation: 用于气动阀的阀膜包括具有限定内径和外径的环形形状的隔膜体。 隔膜主体包括从外径向内径径向向内延伸的锥形部分和在锥形部分和内径之间延伸的弯曲部分。