Three dimensional figure eight propeller/impeller blade apparatu

Details Three dimensional figure eight propeller/impeller blade apparatu Three dimensional figure eight propeller/impeller blade apparatu

1998-08-20

2000-08-08

Verdier, Christopher

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Openwork

416227A, 29428, 298896, 298897, 228144, 2281736, B63H 126, B64C 1116, F04D 2938, B01F 732

Patent

active

060992565

ABSTRACT:
A propeller/impeller blade adapted to propel a vehicle or other device, create a vacuum, or move a medium, comprising a generally flat strip-like member having first and second opposite ends joined together to form a pair of contiguous loops with a generally figure eight configuration about its longitudinal axis. The upper and lower surfaces of the loops are continuous throughout its figure eight configuration and structured so that if one were to trace along the upper surface longitudinally in a single direction, they will return to the same location on the upper surface from where they began without traversing the lower surface. In use, the pair of loops are mounted on the shaft of the desired device so that each loop is disposed symmetrically about the longitudinal axis of the shaft and the longitudinal axis of the pair of loops is disposed in perpendicular relation to the longitudinal axis of the shaft.

REFERENCES:
patent: 1023699 (1912-04-01), Wilk
patent: 4242002 (1980-12-01), Kawabata
patent: 4293279 (1981-10-01), Bolie
patent: 4445817 (1984-05-01), Wethern
patent: 4472063 (1984-09-01), Eickelmann
patent: 5169055 (1992-12-01), Peterson et al.
patent: 5269647 (1993-12-01), Moser
patent: 5405246 (1995-04-01), Goldberg
patent: 5411330 (1995-05-01), Arutyunov
patent: 5890875 (1999-04-01), Silvano

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