Valve assembly
AssigneeAnheuser-Busch InBev S.A.
InventorsAlbert Wauters, Iain McDerment
Life of this patent
Estimating the term…
Abstract
A diaphragm for use in a valve assembly, comprising at least one sealing portion and a fixation portion, characterized in that the fixation portion and the at least one sealing portion are connected by a flexible portion.
Claims16
A diaphragm for use in a valve assembly of the type comprising a housing with a valve seat surrounding a valve port and a base engaged in close fit in the housing, said diaphragm comprising:
- (a) at least one sealing portion suitable for sealingly fitting the valve seat, said sealing portion comprising a central opening facing the valve port.
- (b) a fixation portion suitable for fixing said diaphragm to the base of said valve assembly;
- and
- (c) a flexible portion connecting the fixation portion and the at least one sealing portion,
- characterized in that, the sealing portion comprises a rigid ring structure.
A valve assembly comprising a housing with a valve seat surrounding a valve port and a base engaged in close fit in the housing, said valve assembly further comprising a diaphragm fixed to the base, said diaphragm comprising:
- (a) at least one sealing portion suitable for sealingly fitting the valve seat, said sealing portion comprising a central opening facing the valve port;
- (b) a fixation portion suitable for fixing said diaphragm to the base of said valve assembly;
- and
- (c) a flexible portion connecting the fixation portion and the at least one sealing portion,
- characterized in that, the sealing portion comprises a rigid ring structure.
Dependencies are inferred from the claim text.