Centrifugal pump for small throughputs, particularly for water c

Details Centrifugal pump for small throughputs, particularly for water c Centrifugal pump for small throughputs, particularly for water c

1979-04-20

1981-01-27

Coe, Philip R.

Pumps

Motor driven

Electric or magnetic motor

F04B 3504

Patent

active

042472652

ABSTRACT:
This invention relates to an electrically operated centrifugal pump of low power absorption for small or very small throughputs. The pump has a pump casing composed of at least two compartments and a cover which encloses an impeller chamber. A first compartment contains a pack of U-shaped laminations having a coil mounted on one arm and pole pieces which partially surround the second compartment. The latter includes a transversely magnetized permanent magnet rotatably supported on a fixed coaxial shaft. The impeller is coupled to one end of the magnet support which projects from said second compartment.

REFERENCES:
patent: 2056936 (1936-10-01), Hayward
patent: 2335756 (1943-11-01), Haldeman
patent: 3306222 (1967-02-01), Simcox
patent: 3512646 (1970-05-01), Willinger
patent: 3853429 (1974-12-01), Wiedenmann
patent: 3898488 (1975-08-01), Erwin et al.
patent: 3940645 (1976-02-01), Takita

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