F - Mech Eng,Light,Heat,Weapons – 02 – K
Patent
F - Mech Eng,Light,Heat,Weapons
02
K
170/62
F02K 3/00 (2006.01) F01D 5/30 (2006.01) F04D 29/34 (2006.01)
Patent
CA 1253439
13DV-8561 TURBOMACHINERY BLADE MOUNTING ARRANGEMENT ABSTRACT OF THE DISCLOSURE An improved blade mounting arrangement for a gas turbine engine with a turbine and an annular flowpath therethrough is disclosed. The improvement comprises a one-piece outer casing and a one-piece inner casing bounding the flowpath. The outer casing has a plurality of circumferential recesses disposed therein with each of the recesses having first and second axially opposite circumferential slots. A plurality of first turbine blades, each with axially facing tangs on a mounting platform, mate with the slots in the outer casing recess. The inner casing has a plurality of recesses disposed therein, each of the recesses including a forward circumferential slot and concentric aft radially outer and radially inner circumferential slots. A plurality of second turbine blades, each with forward and aft axially facing tangs on a mounting platform, mate with respective ones of forward slot and radially outer slot in the inner casing recess.
491263
Kirkpatrick Ralph A.
Kroger Gerard P.
Peck Robert A.
Company General Electric
Eckersley Raymond A.
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