Electric pump for the circulation of a liquid, for example in an

Details Electric pump for the circulation of a liquid, for example in an Electric pump for the circulation of a liquid, for example in an

1992-03-18

1993-12-14

Bertsch, Richard A.

Pumps

Motor driven

Pump within rotary working member

F04B 1700

Patent

active

052696634

ABSTRACT:
The electric pump comprises a stationary body which defines a chamber for the liquid and in which is mounted to rotate an impeller body provided with a series of blades. The inductor and the armature of a brushless electric motor are formed by two inserts which are embedded in the material of the two bodies during the corresponding moulding thereof. The armature is formed by a series of permanent magnets mounted on a ring of ferromagnetic material and it can be disposed in alignment with the blades of the impeller body.

REFERENCES:
patent: 2703370 (1955-03-01), Steensen et al.
patent: 2760348 (1956-08-01), McAdam et al.
patent: 2761078 (1956-08-01), McAdam
patent: 3194165 (1962-02-01), Sorlin
patent: 3932069 (1976-01-01), Giardini et al.
patent: 4949022 (1990-08-01), Lipman
patent: 4984972 (1991-01-01), Clausen et al.
patent: 5044905 (1991-09-01), Bartl et al.
patent: 5078741 (1992-01-01), Bramm et al.
patent: 5112200 (1992-05-01), Isaacson et al.
patent: 5112202 (1992-05-01), Oshima et al.

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