Breakaway fan blade

Details Breakaway fan blade Breakaway fan blade

1976-12-09

1978-09-05

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Having frangible or fusible part or connection

416224, F01D 528

Patent

active

041116003

ABSTRACT:
A fan blade having a breakaway leading edge positioned on the spar and shell that constitute the main structure of the blade, the leading edge being adapted to break away, in part at least, upon being struck by a large foreign object, with the shell providing an acceptable leading edge after the breakaway.

REFERENCES:
patent: 2312219 (1943-02-01), Sensenich
patent: 2383342 (1945-08-01), Riley
patent: 2648388 (1953-08-01), Haines et al.
patent: 2767461 (1956-10-01), Lebold et al.
patent: 2981337 (1961-04-01), Stuart
patent: 3144349 (1964-08-01), Swingler et al.
patent: 3484174 (1969-12-01), McCoubrey
patent: 3784322 (1974-01-01), Erich et al.
patent: 4006999 (1977-02-01), Brantley et al.
patent: 4022540 (1977-05-01), Young

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