Low flow-rate pump

Details Low flow-rate pump Low flow-rate pump

1995-06-07

1998-06-23

Price, Carl D.

Stoves and furnaces

Solar heat collector

With means to convey fluent medium through collector

4174237, 417356, 415102, 4152141, A61B 1900, F04D 1306, F04B 1700

Patent

active

057690693

ABSTRACT:
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 5 mm to about 30 mm and the operating rotational speed of the rotor-impeller is from about 10,000 RPM to about 50,000 RPM.

REFERENCES:
patent: 3970408 (1976-07-01), Rafferty et al.
patent: 4129118 (1978-12-01), Banke
patent: 5195877 (1993-03-01), Kletschka

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