Fan assembly for use in powered airborne vehicles

Details Fan assembly for use in powered airborne vehicles Fan assembly for use in powered airborne vehicles

2005-03-15

2005-03-15

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Between blade edge and static part

C415S914000

Reexamination Certificate

active

06866475

ABSTRACT:
A fan assembly for use in association with an airborne vehicle, the fan assembly comprising a propeller assembly and a shroud. The propeller assembly is rotatably coupled to an output shaft of a motor. The propeller assembly includes at least two blades each having a first end proximate an output shaft of a motor and a second end distally spaced therefrom. The shroud extends circumferentially around the propeller assembly, and includes a groove along the lower surface thereof. In turn, the second end of the at least two blades extends at least partially into the groove.

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patent: 5901924 (1999-05-01), Strieber
patent: 6254032 (2001-07-01), Bucher
patent: 6508624 (2003-01-01), Nadeau et al.

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