Blade retention arrangement

Details Blade retention arrangement Blade retention arrangement

2007-07-17

2007-07-17

Look, Edward K. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

C416S221000

Reexamination Certificate

active

10842448

ABSTRACT:
A blade retention arrangement axially fixes blades (1) to a disk (2). A profiled blade root (3) extending from the airfoil is inserted into a conformal axial slot (5) in the disk (2) and is axially secured by means of a split retaining ring (4), with the retaining ring (4) at least partly engaging a groove (6) on the blade root (3). The disk (2) is provided with a circumferential annular groove (7) which has a radially inward seating face for the retaining ring (4) and the retaining ring (4) is elastically deformable at least in the axial direction.

REFERENCES:
patent: 3656865 (1972-04-01), Spears, Jr.
patent: 4730983 (1988-03-01), Naudet et al.
patent: 1830030 (1961-04-01), None
patent: 0761930 (1997-03-01), None
patent: 2258273 (1993-02-01), None

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