Invention Grant
- Patent Title: Vacuum relief valve and method for assembling the same
- Patent Title (中): 真空泄压阀及其组装方法
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Application No.: US12568904Application Date: 2009-09-29
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Publication No.: US08347911B2Publication Date: 2013-01-08
- Inventor: Theodore Arthur Stocker, Jr. , Christopher Andrew Edmonds
- Applicant: Theodore Arthur Stocker, Jr. , Christopher Andrew Edmonds
- Applicant Address: US MO St. Charles
- Assignee: American Railcar Industries, Inc.
- Current Assignee: American Railcar Industries, Inc.
- Current Assignee Address: US MO St. Charles
- Agency: Armstrong Teasdale LLC
- Main IPC: F16K17/04
- IPC: F16K17/04 ; B65D90/34
Abstract:
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.
Public/Granted literature
- US20110073199A1 VACUUM RELIEF VALVE AND METHOD FOR ASSEMBLING THE SAME Public/Granted day:2011-03-31
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