Fluid apparatus

Details Fluid apparatus Fluid apparatus

1988-12-23

1990-06-12

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Including movement limit stop or damping means

416131, B63H 124

Patent

active

049328387

ABSTRACT:
A fluid apparatus comprising a motor, a blade wheel connected to the motor shaft, plural moving blades disposed along the outer circumference of the blade wheel with each moving blade shaft extending into the blade wheel and being rotatable relative to the blade wheel, small gears attached to the moving blade shaft inside the blade wheel, a large gear disposed to be level with the blade wheel so as to be geared with the small gears, an impeller connected to the large gear and housed in a casing with oil so that there may be produced a relative angle difference between the blade wheel and the large gear upon starting of the blower, and stoppers for stopping the large gear at predetermined positions with respect to the blade wheel at normal and reverse modes of the blower respectively.

REFERENCES:
patent: 2134157 (1938-10-01), Thompson
patent: 2160745 (1939-05-01), Levy
patent: 2352186 (1944-06-01), Corrigan
patent: 2869648 (1959-01-01), Pihl
patent: 4047841 (1977-09-01), Laurin
patent: 4140434 (1979-02-01), Bianchi
patent: 4515511 (1985-05-01), Heerlein

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