Device to lock the blades of a turboblower and to fasten the fro

Details Device to lock the blades of a turboblower and to fasten the fro Device to lock the blades of a turboblower and to fasten the fro

1982-03-22

1983-09-20

Hornsby, Harvey C.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

416245R, 411119, 411401, F01D 532, F04D 2934

Patent

active

044052855

ABSTRACT:
Device for the locking of blade roots and the fastening of the forward cowl consisting of a fastening piece comprising a parallelepipedic part (16) engaging radial slots (5) of the teeth (4) of the rim, a prismatic part (17), the convergent faces of which are resting against the sides of the groove and a cylindrical part (22) for the fastening of the cowl (24). The parallelepipedic (16) and prismatic (17) parts are parallel to each other and perpendicular to the cylindrical part (22). The cowl (24) has perforated counterbores (25) through which the cylindrical parts (22) are passing, with the ends of the cylindrical parts receiving a screw (27) to fasten the cowl.

REFERENCES:
patent: 3799693 (1974-03-01), Hull
patent: 4033705 (1977-07-01), Leubering

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