Multi-stage motor

Details Multi-stage motor Multi-stage motor

2005-08-16

2005-08-16

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S156820, C310S112000, C310S114000, C310S164000, C310S256000, C310S216006

Reexamination Certificate

active

06930422

ABSTRACT:
An electrical machine includes first and second magnetically permeable parallel cores. Each core is elongated to thereby define a lengthwise direction and first and second core profiles transverse to the lengthwise direction. First coils are wound about the first core profile and sequentially disposed along the length of the first core. Second coils are wound about the second core profile and sequentially disposed along the length of the second core. A multi-pole elongated permanent magnet is parallel with the cores and located between them. The magnet is movable, relative to the cores, in the lengthwise direction.

REFERENCES:
patent: 4187441 (1980-02-01), Oney
patent: 4707645 (1987-11-01), Miyao et al.
patent: 4841189 (1989-06-01), Cooper et al.
patent: 5334899 (1994-08-01), Skybyk
patent: 5440185 (1995-08-01), Allwine, Jr.
patent: 5982074 (1999-11-01), Smith et al.
patent: 6411002 (2002-06-01), Smith et al.

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