Impeller system for a gas turbine engine

Patent · Tue Jul 13 04:00:00 EDT 1993

OSTI ID:6313371

Narayana, A D; Stanley, R L

An impeller system is described for use with a gas turbine engine of a type having a first stage disk mounted on a rotating turbine shaft, the system comprising: annular impeller means positioned rearwardly of the first stage disk about the shaft and including means for securing the impeller means at a base thereof to the disk; and interlocking means, extending between the impeller means and the disk, positioned radially outwardly of the securing means, whereby the impeller is restrained from axial deflection, but permitted radial deflection in response to thermal changes; and wherein the securing means comprises a plurality of bolts.

• Assignee: General Electric Co., Cincinnati, OH (United States)
• Patent Number(s): US 5226785; A
• Application Number: PPN: US 7-785367
• OSTI ID: 6313371
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330103* -- Internal Combustion Engines-- Turbine
ENGINES
EXPANSION
GAS TURBINE ENGINES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MACHINE PARTS
MECHANICAL SHAFTS
PHYSICAL PROPERTIES
ROTORS
SHAFTS
THERMAL EXPANSION
THERMODYNAMIC PROPERTIES
TURBINE BLADES
VANES