F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
F04D 13/06 (2006.01) F04D 1/00 (2006.01) F24J 2/00 (2006.01) H02K 7/14 (2006.01)
Patent
CA 2178520
A relatively power efficient, low flow-rate pump comprises an integral rotor-impeller on a hollow shaft which forms the rotational axis. The rotor-impeller is a permanently magnetized with alternating poles about its periphery faces and at least two channels extend through the rotor-impeller from the interior of the hollow shaft to the periphery of the rotor-impeller. The diameter of the rotor-impeller is in the range of from about 5mm to about 30mm and the operating rotational speed of the rotor-impeller is from about 10,000 RPM to about 50,000 RPM.
Her Majesty In Right Of Canada As Represented By The Minister Of
Mccarthy Tetrault Llp
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