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US 9,956,580 B2Granted
Spray masking for rotors
AssigneeUnited Technologies Corporation
InventorsChristopher W. Strock, Charles R. Beaudoin, Robert D. Richard, Steven G. Lemay
Life of this patent
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Abstract
A mask for masking a component at an annular boundary comprises a wall (90, 92) having an inner first rim portion having a first inner diameter (D1) and an outward rebate (140) adjacent the first rim portion.
Claims8
An assembly of a component and a mask for masking the component at an annular boundary, the component comprising:
- an integrally-bladed rotor (22) comprising:
- a disk bore (28);
- a rim (32) having an outer diameter (OD) surface (38);
- a web (30) extending radially outward from the bore to the rim;
- and
- a circumferential array of blade airfoils (40) extending from the outer diameter surface to respective tips (42), and
- the mask comprising a wall (90, 92) having:
- an inner first rim portion having a first inner diameter (D1);
- an outward rebate (140) open axially outward adjacent the inner first rim portion;
- and
- a second rim portion (146) having a second inner diameter (D3), the second inner diameter larger than the first inner diameter and the outward rebate having an inwardly-open channel (142) open radially inward between the inner first rim portion and the second rim portion.
8 more elements
Dependencies are inferred from the claim text.