Invention Grant
- Patent Title: Methods and apparatus to align a seat ring in a valve
- Patent Title (中): 将阀座对准阀的方法和装置
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Application No.: US11778410Application Date: 2007-07-16
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Publication No.: US07954788B2Publication Date: 2011-06-07
- Inventor: Lonnie Oscar Davies, Jr. , David J. Westwater
- Applicant: Lonnie Oscar Davies, Jr. , David J. Westwater
- Applicant Address: US MO St. Louis
- Assignee: Fisher Controls International, LLC
- Current Assignee: Fisher Controls International, LLC
- Current Assignee Address: US MO St. Louis
- Agency: Hanley, Flight & Zimmerman LLC
- Main IPC: F16K1/42
- IPC: F16K1/42
Abstract:
Methods and apparatus to align a seat ring in a valve are described. An example fluid valve includes a valve body having a curved internal surface to receive a seat ring and a seat ring having a sealing surface to receive a movable control member and a curved surface opposite the sealing surface to engage the curved internal surface of the valve body.
Public/Granted literature
- US20090020720A1 METHODS AND APPARATUS TO ALIGN A SEAT RING IN A VALVE Public/Granted day:2009-01-22
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