F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
103/122
F04D 1/00 (2006.01) F04D 29/22 (2006.01)
Patent
CA 1220978
VORTEX PUMP Abstract of the Disclosure: A vortex pump is provided wherein an impeller is of an open type and plural blades are grouped into two or more groups, the axial width of each group of blades being different from the others so that the blades belonging to a certain group extend into a vortex chamber so as to directly drive the liquid in the vortex chamber whilst relatively large pieces of foreign matter are permitted to pass through the pump.
448835
Kobayashi Makoto
Toguchi Seiichi
Ebara Corporation
Riches Mckenzie & Herbert Llp
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