发明授权
- 专利标题: Vacuum relief valve and method for assembling the same
- 专利标题(中): 真空泄压阀及其组装方法
-
申请号: US12568904申请日: 2009-09-29
-
公开(公告)号: US08347911B2公开(公告)日: 2013-01-08
- 发明人: Theodore Arthur Stocker, Jr. , Christopher Andrew Edmonds
- 申请人: Theodore Arthur Stocker, Jr. , Christopher Andrew Edmonds
- 申请人地址: US MO St. Charles
- 专利权人: American Railcar Industries, Inc.
- 当前专利权人: American Railcar Industries, Inc.
- 当前专利权人地址: US MO St. Charles
- 代理机构: Armstrong Teasdale LLC
- 主分类号: F16K17/04
- IPC分类号: F16K17/04 ; B65D90/34
摘要:
A vacuum relief valve is provided. The vacuum relief valve includes a body having a side wall, and a stem that is movable with respect to the body between an open position and a closed position. The stem is biased in the closed position. The vacuum relief valve further includes a first sight glass coupled to the body and configured to enable visual inspection of a sealing area of the vacuum relief valve. The sealing area includes at least a portion of said stem.
公开/授权文献
- US20110073199A1 VACUUM RELIEF VALVE AND METHOD FOR ASSEMBLING THE SAME 公开/授权日:2011-03-31
信息查询