Armature for an actuator

Details Armature for an actuator Armature for an actuator

2005-05-24

2005-05-24

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S198000, C310S212000

Reexamination Certificate

active

06897593

ABSTRACT:
An armature for an actuator for applying vibration to a body along an axis, the armature having at least two parallel wound helical windings on the axis, and a terminal arrangement connected to the ends of the windings for selective connection of the windings to two external A.C. drivelines, the terminal arrangement being switchable between a relatively low impedance mode, with at least two of the windings connected electrically in parallel, and a relatively high impedance mode, with two of the windings or two groups of parallel-connected windings connected in series.

REFERENCES:
patent: 4026142 (1977-05-01), Jacobs
patent: 4908536 (1990-03-01), Hudimac
patent: 5969464 (1999-10-01), Nakano et al.

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