Leaf rotor

Fluid reaction surfaces (i.e. – impellers) – With fluid passage in working member communicating with... – Both inlet and outlet to working fluid

Reexamination Certificate

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Details

C416S09000A

Reexamination Certificate

active

06881034

ABSTRACT:
A rotor which has a cone shaped tube with a large air input end and a smaller air output end. The cone shaped tube increases air pressure as the air passes through the tube and provides more lift.

REFERENCES:
patent: 933199 (1909-09-01), Otto
patent: 1473066 (1923-11-01), Wells
patent: 1597175 (1926-08-01), Boening
patent: 1604994 (1926-11-01), Grosso et al.
patent: 2103243 (1937-12-01), Bradford, Jr.
patent: 2209607 (1940-07-01), Nutting
patent: 5037209 (1991-08-01), Wyss
patent: 2064668 (1981-06-01), None

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