Throat retention apparatus for hot gas applications
AssigneeHoneywell International Inc.
InventorsJason Gratton, Donald Christensen
Life of this patent
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Abstract
A nozzle for use in a hot gas valve is provided that includes a housing, an insert, and a throat retainer. The housing is constructed of an insulating material and has a flow path formed therein. The flow path has a throat section. The insert is made of material capable of maintaining structural integrity at a temperature up to about 5000° F. and is disposed at least partially in the throat section and has a flow path extending therethrough in fluid communication with the housing flow path. The throat retainer is constructed of material having insulating and ablative properties and is coupled between the housing and the insert and configured to retain the insert within the housing throat section.
Claims21
A nozzle for use in a hot gas valve, the nozzle comprising:
- a housing comprising an insulating material, the housing having a flow path formed therein that includes a throat section;
- an insert comprising material capable of maintaining structural integrity at a temperature up to about 5000° F., the insert disposed at least partially within the housing throat section and having a flow path extending therethrough in fluid communication with the housing flow path;
- and
- a throat retainer comprising material having insulating and ablative properties, the throat retainer coupled between the housing and the insert and configured to retain the insert within the housing throat section.
An insert configured to be retained between a phenolic valve housing and a phenolic throat retainer, the valve housing having a flow path formed therein, the flow path including a cylindrical section coupled to a divergent section, the insert comprising:
- an inlet end;
- an outlet end coupled to the inlet end;
- an inner surface defining a flow path between the inlet end and outlet end;
- and
- an outer surface defined between the inlet end and outlet end, wherein the outer surface and inlet end define a flange therebetween, the flange configured to be at least partially retained between the valve housing and throat retainer.
A method for manufacturing a valve nozzle formed in a phenolic housing, comprising:
- press-fitting an insert into a throat of the valve nozzle;
- and
- bonding a phenolic throat retainer to the valve nozzle to thereby retain the insert between the phenolic housing and the phenolic throat retainer.
Dependencies are inferred from the claim text.