Device for blocking a ring for axially retaining a blade,...

Details Device for blocking a ring for axially retaining a blade,... Device for blocking a ring for axially retaining a blade,...

2007-11-06

2007-11-06

Nguyen, Ninh H. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

Reexamination Certificate

active

11466987

ABSTRACT:
A device for rotationally blocking a retaining ring (20) on a rotor disk (10) includes successive first (162, 262) and second (164, 264) blocking hooks of the disk (10), at least one cleat (302, 304, 306) of the retaining ring (20) arranged close to a split (24) in the ring (20). The position of the at least one cleat (302, 304, 306) on the retaining ring (20) is such that, when the retaining ring (20) is in place in a groove (22) situated in the rotor disk (10), the at least one cleat (302, 304, 306) is in abutment against the first blocking hook (162, 262), and the split (24) is covered by the second blocking hook (164, 264).

REFERENCES:
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patent: 4730983 (1988-03-01), Naudet et al.
patent: 5320492 (1994-06-01), Bouru et al.
patent: 6234756 (2001-05-01), Ress, Jr. et al.
patent: 1 443 179 (2004-08-01), None
patent: 2 729 709 (1996-07-01), None

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