Canned motor pump

Details Canned motor pump Canned motor pump

1987-11-18

1990-01-02

Croyle, Carlton R.

Pumps

Motor driven

Interrelated or common lubricating or cooling means for pump...

417420, 4174238, 165169, F04B 3906

Patent

active

048909882

ABSTRACT:
A canned motor pump wherein the can has two coaxial tubular walls defining an annular space for the flow of a heat exchange fluid which heats or cools the can. If the can has an end wall, the latter can be formed with an additional space which communicates with the annular space. The driven rotor within the can can be rotated by a stator which surrounds the can or by a hollow rotor which rotates the driven rotor by way of one or more magnets. The can can be heated by an electric heater.

REFERENCES:
patent: 2662478 (1953-12-01), Surre
patent: 2862120 (1958-11-01), Onsrud
patent: 3131638 (1964-05-01), Wilson et al.
patent: 3163790 (1964-12-01), White
patent: 3605566 (1971-09-01), Vetter
patent: 3661060 (1972-05-01), Bowen
patent: 4013384 (1977-03-01), Oikawa
patent: 4120618 (1978-10-01), Klaus
patent: 4226574 (1980-10-01), Villette
patent: 4569634 (1986-02-01), Mantell
patent: 4752194 (1988-06-01), Wienen et al.

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