Permanent-magnet rotor for electric motors and method of manufac

Details Permanent-magnet rotor for electric motors and method of manufac Permanent-magnet rotor for electric motors and method of manufac

1994-06-02

1997-05-06

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, H02K 2112, H02K 1500

Patent

active

056274238

ABSTRACT:
Permanent-magnet rotor for electric motors including at least two semitubular permanent magnets which are at least partially embedded in a core made of two-component epoxy resin or plastics. The core is obtained in a mold by molding in place or pouring over a pre-molded casing that contains the magnets, or by pouring so as to form, together with said core, a containment casing.

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patent: 4954736 (1990-09-01), Kawamoto et al.
patent: 5111094 (1992-05-01), Patel et al.
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patent: 5175461 (1992-12-01), Zigler et al.
patent: 5200662 (1993-04-01), Tagami et al.
patent: 5268607 (1993-12-01), McManus
patent: 5345129 (1994-09-01), Molnar
patent: 5397951 (1995-03-01), Uchida et al.
Patents abstracts of Japan-vol. 10, No. 8, (E-373)(2065) 14 Jan. 1986 &JP-A-60170444-3 Sep. 1985-abstract.
Patent abstracts of Japan-vol. 09-No. 65 (E-304)(1788) 26 Mar. 1985-& JP-A-59204453-19 Nov. 1984-abstract.

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