Invention Grant
- Patent Title: Bushing having a shaft seal
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Application No.: US15824730Application Date: 2017-11-28
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Publication No.: US10969030B2Publication Date: 2021-04-06
- Inventor: Trenton Frank Jackson , Wade Jonathon Helfer
- Applicant: Fisher Controls International LLC
- Applicant Address: US IA Marshalltown
- Assignee: Fisher Controls International LLC
- Current Assignee: Fisher Controls International LLC
- Current Assignee Address: US IA Marshalltown
- Agency: Hanley, Flight & Zimmerman, LLC
- Main IPC: F16K27/04
- IPC: F16K27/04 ; F16K31/12 ; F16J15/3252 ; F16J15/06 ; F16K41/04

Abstract:
A bushing having a shaft seal is disclosed herein. An example apparatus includes a fluid valve body, a valve shaft disposed in the fluid valve body, and a bushing disposed on the valve shaft between the valve shaft and the fluid valve body. The bushing includes a first groove disposed on an inner surface of the bushing and a second groove disposed on an outer surface of the bushing. A first seal is disposed in the first groove to seal against the valve shaft and a second seal is disposed in the second groove to seal against the valve body.
Public/Granted literature
- US20190162325A1 BUSHING HAVING A SHAFT SEAL Public/Granted day:2019-05-30
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