B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
259/68
B01F 3/04 (2006.01) B01F 7/00 (2006.01)
Patent
CA 1286660
ABSTRACT An impeller apparatus for dispersing a gas into a li- quid 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.
523179
Hjort Sven
Skanberg Borje
Fetherstonhaugh & Co.
Hjort Sven
Skanberg Borje
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