Blade containment system

Details Blade containment system Blade containment system

1998-12-28

2000-09-05

Look, Edward K.

Rotary kinetic fluid motors or pumps

Including destructible, fusible, or deformable non-reusable...

4151734, 415197, 415200, F01D 2100

Patent

active

061133477

ABSTRACT:
A blade containment system for turbomachinery includes an annular casing having an interior surface with an abrasive surface texture that is capable of dulling sharp comers and edges of impacting fan blades so as to reduce the ability of the fan blade to pierce the containment casing. The textured surface can be produced by either a plurality of protuberances attached thereto or a plurality of sharp dimples formed therein. The protuberances can be in the form of sawtooth steps, sharp spikes or pieces of a hard material impregnated in the textured surface. In one preferred embodiment, the textured surface is formed on a plurality of tiles secured to the interior surface of the containment casing.

REFERENCES:
patent: 3042365 (1962-07-01), Curtis et al.
patent: 4197052 (1980-04-01), Lardellier
patent: 4764089 (1988-08-01), Strangman
patent: 5403148 (1995-04-01), Forrester
patent: 5486086 (1996-01-01), Bellia et al.

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