Invention Grant
- Patent Title: Bellows energized seal assembly for a rotary control valve
- Patent Title (中): 波纹管通电密封组件用于旋转控制阀
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Application No.: US13544419Application Date: 2012-07-09
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Publication No.: US09052022B2Publication Date: 2015-06-09
- Inventor: Shawn W. Anderson , Ted D. Grabau
- Applicant: Shawn W. Anderson , Ted D. Grabau
- Applicant Address: US IA Marshalltown
- Assignee: FISHER CONTROLS INTERNATIONAL LLC
- Current Assignee: FISHER CONTROLS INTERNATIONAL LLC
- Current Assignee Address: US IA Marshalltown
- Agency: Marshall, Gerstein & Borun LLP
- Main IPC: F16K5/20
- IPC: F16K5/20
Abstract:
A bellows energized seal assembly includes a seal body, a main seal that is axially slidable within the seal body, and a bellows connected to the seal body and the main seal. The bellows both biases the main seal and provides a seal between the seal body and the main seal.
Public/Granted literature
- US20130015383A1 Bellows Energized Seal Assembly for a Rotary Control Valve Public/Granted day:2013-01-17
Information query
