Impeller apparatus

Details Impeller apparatus Impeller apparatus

1986-11-21

1988-10-25

Petrakes, John

Agitating

By injecting gas into mixing chamber

With stirrer

261 93, 366279, 366325, 366343, 416197R, 416243, B01F 304, B01F 718, B01F 726, F01D 514

Patent

active

047799900

ABSTRACT:
An impeller apparatus for dispersing a gas into a liquid in a vessel includes a centrifugal flow turbine, the blades (621) of which are formed with a substantially stream-lined trailing surface terminated by a sharply pronounced spine (63). The blade is formed by a plate-like initial blank being cut to a shape having a central line of symmetry, the blank then being folded along the straight line of symmetry.

REFERENCES:
patent: 4193 (1845-09-01), Phleger
patent: 525095 (1894-08-01), Detwiler
patent: 573993 (1896-12-01), McCallen
patent: 636400 (1899-11-01), Friedman
patent: 858635 (1907-07-01), St. Croix
patent: 1019078 (1912-03-01), Olmsted
patent: 2966345 (1960-12-01), Burgoon et al.
patent: 4519715 (1985-05-01), Golobic et al.

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