Dual axis seat retainer
AssigneeParker-Hannifin Corporation
InventorDaniel P. Morgan
Life of this patent
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Abstract
A valve assembly includes a valve body defining a valve passage and a valve seat disposed within the valve body. The valve assembly also includes a valve actuator moveable between a closed position in which the valve actuator is sealed against the valve seat to close the valve passage and an open position in which the valve actuator is spaced apart from the valve seat to open the valve passage. The valve assembly includes a valve seat retainer disposed within the valve body in contact with the valve seat. The valve seat retainer is configured to impart both an axial support force and a lateral support force on the valve seat to prevent extrusion of the valve seat when the valve actuator is sealed against the valve seat in the closed position.
Claims9
A valve assembly comprising:
- a valve body defining a valve passage;
- a valve seat disposed within the valve body;
- a valve actuator moveable between a closed position in which the valve actuator is sealed against the valve seat to close the valve passage, and an open position in which the valve actuator is spaced apart from the valve seat to open the valve passage;
- and
- a valve seat retainer disposed within the valve body in contact with the valve seat and configured to impart both an axial support force and a lateral support force on the valve seat to prevent extrusion of the valve seat when the valve actuator is sealed against the valve seat in the closed position;
- wherein the valve actuator includes:
- a piston;
- and
- a diaphragm moveable by the piston between a sealed position in which the diaphragm seals against the valve seat to close the valve passage, and an unsealed position in which the diaphragm is spaced apart from the valve seat to open the valve passage.
Dependencies are inferred from the claim text.