Invention Grant
- Patent Title: Reduced inertia valve stem seal flange
- Patent Title (中): 减少惯性阀杆密封法兰
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Application No.: US12512367Application Date: 2009-07-30
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Publication No.: US09416690B2Publication Date: 2016-08-16
- Inventor: John A. London , Patrick L. Scheib
- Applicant: John A. London , Patrick L. Scheib
- Applicant Address: US MI Plymouth
- Assignee: FREUDENBERG-NOK GENERAL PARTNERSHIP
- Current Assignee: FREUDENBERG-NOK GENERAL PARTNERSHIP
- Current Assignee Address: US MI Plymouth
- Agency: Harness, Dickey & Pierce, P.L.C.
- Agent Daniel J. Sepanik, Esq.
- Main IPC: F01L3/00
- IPC: F01L3/00 ; F01L3/10 ; F16K31/44 ; F02F11/00 ; F01L3/08 ; F16J15/32
Abstract:
A valve stem seal including a radially outwardly extending flange that includes one or more circumferential grooves to allow the flange to flex and lay flat against a support surface and protect the flange from fatigue.
Public/Granted literature
- US20110024666A1 Reduced Inertia Valve Stem Seal Flange Public/Granted day:2011-02-03
Information query
