Fan disturbing sand at the bottom of a body of water so that it

Details Fan disturbing sand at the bottom of a body of water so that it Fan disturbing sand at the bottom of a body of water so that it

1971-09-02

1976-03-23

Crowder, Clifford D.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Radially extending web or end plate

416243, 37 67, 37 77, E02F 300

Patent

active

039457613

ABSTRACT:
A fan for use with pumps for pumping up sand from the bottom of a body of water having certain uniquely shaped vanes around the circumference of a truncated cone.

REFERENCES:
patent: 725818 (1903-04-01), Bates
patent: 1316349 (1919-09-01), Calder
patent: 1759490 (1930-05-01), Neveling
patent: 1842537 (1932-01-01), Brunner
patent: 2352394 (1944-06-01), Little
patent: 2461311 (1949-02-01), Cushing et al.
patent: 3148464 (1964-09-01), Jones

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