Turbomachine rotor blade fixings

Details Turbomachine rotor blade fixings Turbomachine rotor blade fixings

1982-03-11

1984-05-29

Marcus, Stephen

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received by continuous circumferential channel

416220R, 416218, F04D 1201, F01D 532

Patent

active

044512031

ABSTRACT:
A dovetail type circumferential slot fixing for retaining blades of a bladed rotor assembly of a turbomachine which requires no additional loading slot. The shape and dimensions of the dovetail roots of the blades and the dovetail blade-retaining slot are such as to allow the blades to be loaded by introducing a flank of each root dovetail into the slot and rolling the blades in an axial direction. The blades are held outwards against radially inward facing faces of the blade-retaining slot by a support means which may be a detachable plate, flange member or nose bullet that engages the blade platforms.

REFERENCES:
patent: 2683018 (1954-07-01), Schorner
patent: 3045968 (1962-07-01), Willis
patent: 3165294 (1965-01-01), Anderson
patent: 3572966 (1971-04-01), Borden et al.
patent: 4021138 (1977-05-01), Scalzo et al.

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