Rotary pump having an encapsulated motor

Details Rotary pump having an encapsulated motor Rotary pump having an encapsulated motor

1991-09-12

1992-07-07

Bertsch, Richard A.

Pumps

Motor driven

Electric or magnetic motor

F04B 1700

Patent

active

051277964

ABSTRACT:
A rotary pump comprising a pump unit having a pump and a motor unit separated from the pump unit and having a motor for driving the pump. The rotary pump further comprises a watertight housing enclosing the motor and including a non-magnetic wall made of material which permeates magnetism, an input section attached to the pump, an output section attached to the motor and opposing the input section, with the non-magnetic wall interposed between the output section and the input section, and at least two magnets, one of which is fixed to that surface of the output section which opposes the input section, and the other of which is fixed to that surface of the input section which opposes the output section.

REFERENCES:
patent: 2968248 (1961-01-01), Carter
patent: 2970548 (1961-02-01), Berner
patent: 2996994 (1961-08-01), Wright
patent: 3932069 (1976-01-01), Giardini et al.

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