Invention Grant
- Patent Title: Check valves with hinge shafts retained by welding
- Patent Title (中): 带铰链轴的止回阀通过焊接保持
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Application No.: US11831446Application Date: 2007-07-31
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Publication No.: US07954509B2Publication Date: 2011-06-07
- Inventor: Ralph L. Dulay , Maureen Sugai , Amer Aizaz , Michael Kolic , David B. Tornquist
- Applicant: Ralph L. Dulay , Maureen Sugai , Amer Aizaz , Michael Kolic , David B. Tornquist
- Applicant Address: US NJ Morristown
- Assignee: Honeywell International Inc.
- Current Assignee: Honeywell International Inc.
- Current Assignee Address: US NJ Morristown
- Agency: Ingrassia Fisher & Lorenz, P.C.
- Main IPC: F16K15/03
- IPC: F16K15/03
Abstract:
Methods and apparatus are provided for retaining a hinge shaft of a check valve with a bushing. The check valve includes a valve body defining a flow passage therethrough; a hinge shaft; a bushing coupled to the valve body and welded to the hinge shaft; and a closure element pivotally mounted on the hinge shaft for opening and closing the flow passage.
Public/Granted literature
- US20090032119A1 CHECK VALVES WITH HINGE SHAFTS RETAINED BY WELDING Public/Granted day:2009-02-05
Information query
