Device with retractable double anti-cone stops ring, and rotor h

Details Device with retractable double anti-cone stops ring, and rotor h Device with retractable double anti-cone stops ring, and rotor h

1996-12-03

1998-10-13

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

With control means responsive to non-cyclic condition...

Impeller rotation speed responsive

416 51, 416 53, 416140, B24C 2751

Patent

active

058203419

ABSTRACT:
The device includes anti-cone stops projecting outward from at least two coaxial rings that can rotate about the rotor axis on the top face of the hub. Flyweights are each mechanically joined to one of the rings by a mechanism for driving the latter in rotation from the "ground" position, in which each anti-cone stop is facing an upper bearing shoe of the corresponding blade, to the "flight" position, in which the anti-cone stops are retracted against elastic mechanisms returning them to the "ground" position.

REFERENCES:
patent: 2717653 (1955-09-01), Emmerson
patent: 5007799 (1991-04-01), Mouille
patent: 5588801 (1996-12-01), Commelin et al.

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