Turbine rotor with means for preventing air leaks through outwar

Details Turbine rotor with means for preventing air leaks through outwar Turbine rotor with means for preventing air leaks through outwar

1982-12-01

1984-11-27

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

416193A, 416198A, 416201R, F01D 506

Patent

active

044848587

ABSTRACT:
A turbine rotor provided with a sealing member for preventing air leaks through a gap between the under side surface of a projection extending from one of discs of the rotor and the upper side surface of a outward end portion of the spacer interposed between the discs. The spacer is formed with an annular groove on the upper side surface of the outward end portion for receiving a sealing wire in its entirety. The sealing wire has its outer portion forced against the underside surface of the projection by centrifugal forces while its inner portion remains inside the groove during turbine operation, to thereby seal the gap to prevent leaks of air therethrough.

REFERENCES:
patent: 2356605 (1944-08-01), Meininghaus
patent: 2656147 (1953-10-01), Brownhill et al.
patent: 3801220 (1974-04-01), Beckershoff
patent: 4021138 (1977-05-01), Scalzo et al.
patent: 4035102 (1977-07-01), Maghon
patent: 4088422 (1978-05-01), Martin
patent: 4265594 (1981-05-01), Eggmann

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