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US 2019/0101221 A1Published application
Carbide insert assembly having a fused retainer
AssigneeFisher Controls International LLC
InventorCory J. Hagen
Life of this patent
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Abstract
A carbide insert assembly for use in a control valve having a valve stem, a flow passage, and a valve seat disposed in the flow passage. The carbide insert assembly includes a housing, a carbide insert disposed within the housing, and a metal retainer adjacent the carbide insert. The metal retainer is fused to the housing.
Claims18
A carbide insert assembly for use in a control valve having a valve stem, a flow passage, and a valve seat disposed in the flow passage, the carbide insert assembly comprising:
- a housing;
- a carbide insert disposed within the housing;
- and
- a metal retainer adjacent the carbide insert, the metal retainer being fused to the housing.
1 more element
A control valve comprising:
- a valve housing having an inlet and an outlet connected by a fluid passageway;
- a valve seat disposed within the fluid passageway;
- a movable control member disposed within the fluid passageway, the movable control member cooperating with the valve seat to control a flow of fluid through the valve housing;
- a carbide insert disposed within the valve housing and within the fluid passageway;
- and
- a metal retainer adjacent the carbide insert, the metal retainer being fused to the valve housing.
3 more elements
A method of fixing a carbide insert in a valve housing, the method comprising:
- providing a carbide insert and inserting the carbide insert into a fluid flow path in a valve housing;
- arranging a metal retainer adjacent to one end of the carbide insert;
- and
- fusing the metal retainer to the valve housing.
1 more element
Dependencies are inferred from the claim text.