F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
170/77
F01D 5/32 (2006.01) F01D 5/30 (2006.01)
Patent
CA 1122128
13 DV 7136 ABSTRACT OF THE DISCLOSURE An improved blade retainer for locking radially projecting blades on a rotor includes an elastic spacer sized to be inserted into a radial space between the blade tang and the bottom of the rotor slot in a generally undeformed state without deformation of the tang or slot. The spacer is provided with a first arcuate surface which abuts the tang and a second arcuate surface which, in one embodiment, abuts the bottom of the rotor slot when the spacer is deformed, thereby-exerting an outwardly directed load on the tang. The spacer is fixed against axial movement relative to the blades by means of a forward end lug which is in confronting and overlapping relationship with an end face on the blade tang when the spacer is deformed. Blocker means are insertable between the spacer and the bottom of the slot to retain the spacer in a deformed state and thereby bias the blade radially outwardly. channelled sleeve can be provided under the spacer and blocker means to distribute the load over a greater area of the rotor slot to reduce wear thereof.
325423
Peck Robert A.
Tucker James W.
Company General Electric
Eckersley Raymond A.
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