Stator structure of motor and its forming method

Details Stator structure of motor and its forming method Stator structure of motor and its forming method

1997-05-30

1999-01-12

LaBalle, Clayton

Electrical generator or motor structure

Dynamoelectric

Rotary

310164, 310 42, H02K 112, H02K 2122, H02K 1502

Patent

active

058594876

ABSTRACT:
The stator structure for improving the efficiency of motor is described which includes: a) a ring; b) N pieces of upper salients spacedly connected to the ring and located on a first plane; c) N pieces of lower salients spaced at intervals and located on a second plane; d) N pieces of waist posts arranged between the first and second planes for forming a magnetically conductive path, wherein one end of each of the waist posts is connected to the ring within an interval between two adjacent upper salients and the other end is connected to a corresponding one of N pieces of lower salients located between two adjacent upper salients. Its forming method includes steps of: a) integrally forming a hollow cogged plate consisting of a first ring, N pieces of short and N pieces of long salients alternately connected to the first ring; and b) bending N pieces of long salients to form the stator structure having N pieces of waist posts, N pieces of upper salients, and N pieces of lower salients.

REFERENCES:
patent: 1990678 (1935-02-01), Vaucher
patent: 2823545 (1958-02-01), Bodge
patent: 3068375 (1962-12-01), Kohlhagen
patent: 3241111 (1966-03-01), Sandstrom
patent: 3560775 (1971-02-01), Welter
patent: 4775813 (1988-10-01), Janson
patent: 5093599 (1992-03-01), Horng
patent: 5245236 (1993-09-01), Horng

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