Linear motor having dual coil configuration

Details Linear motor having dual coil configuration Linear motor having dual coil configuration

2006-10-19

2009-10-13

Hanh, Nguyen N (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Linear

Reexamination Certificate

active

07602087

ABSTRACT:
A linear motor is provided that includes a magnetic assembly, a movable element and a coil assembly that is operative to interact with the magnetic assembly to drive the movable element along a direction. The coil assembly further includes a first coil section having a first motor force constant and a second coil section having a second motor force constant that is lower than that of the first coil section for driving the movable element along the said direction.

REFERENCES:
patent: 4749921 (1988-06-01), Chitayat
patent: 6864601 (2005-03-01), Sogard
patent: 7148590 (2006-12-01), Lampson
patent: 7161267 (2007-01-01), Hol et al.
patent: 2004/0032169 (2004-02-01), Widdowson et al.
patent: 2006/0049699 (2006-03-01), Wang et al.

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