Rotary kinetic fluid motors or pumps – Casing and spaced housing with space vented to working fluid
Reexamination Certificate
2008-05-27
2008-05-27
Look, Edward (Department: 3745)
Rotary kinetic fluid motors or pumps
Casing and spaced housing with space vented to working fluid
C415S115000, C415S182100
Reexamination Certificate
active
07377742
ABSTRACT:
A method for assembling a gas turbine engine includes coupling a rotor assembly including a plurality of rotor blades about a rotatable main shaft of the gas turbine engine. The main shaft is aligned in an axial direction of the gas turbine engine. A shroud assembly is coupled to the gas turbine engine. The shroud assembly includes a plurality of shroud segments circumferentially coupled about the rotor assembly such that a shroud spacing gap is formed in the axial direction between adjacent shroud segments. A cooling fluid source is coupled to each shroud segment such that cooling fluid is channeled through each shroud segment into a corresponding shroud spacing gap to facilitate positive purge flow through the shroud spacing gap.
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Demers Daniel
Hooper Tyler F.
Nicoll Robert Alexander
Probasco Douglas Patrick
Shapiro Jason David
Andes Esq. William Scott
Armstrong Teasdale LLP
General Electric Company
Look Edward
White Dwayne J
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