Dual axis seat retainer
AssigneeParker-Hannifin Corporation
InventorDaniel P. Morgan
Life of this patent
Estimating the term…
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.
Claims16
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.
A method of replacing a used valve seat in a valve assembly, the method comprising the steps of:
- removing a valve seat retainer from the valve assembly;
- removing the used valve seat from the valve assembly;
- inserting a new valve seat into the valve assembly;
- and
- inserting a valve seat retainer back into the valve assembly in contact with the new valve seat such that the inserted valve seat retainer is configured to impart both an axial support force and a lateral support force on the new valve seat to prevent extrusion of the new valve seat when the valve actuator is sealed against the valve seat in the closed position.
A method of assembling a valve assembly comprising the steps of:
- inserting a valve seat retainer into a valve body of the valve assembly such that an inner edge of the valve seat retainer contacts a valve seat within the valve assembly;
- inserting a valve actuator into the valve body such that an outer edge of the valve actuator contacts an outer edge of the valve seat retainer;
- securing the valve actuator within the valve body such than an axial loading force is imparted on the outer edge of the valve seat retainer;
- and
- imparting an axial support force and a lateral support force on the valve seat by the valve seat retainer.
Dependencies are inferred from the claim text.