Vibrator for acting on an object in a predetermined...

Details Vibrator for acting on an object in a predetermined... Vibrator for acting on an object in a predetermined...

2007-12-18

2007-12-18

Le, Dang (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Linear

C310S029000, C310S036000

Reexamination Certificate

active

11056541

ABSTRACT:
The invention relates to a vibrator for acting on an object in a predetermined direction, comprising a casing and two identical, synchronously driven, electric linear motor coils arranged mirror-symmetrically therein, between which coils there is an armature which can be moved to and fro in an oscillatory fashion by driving the linear motor coils appropriately in their longitudinal direction, the armature being mounted via wires arranged under spring bias in the casing, and also to an apparatus for producing concrete blocks which uses vibrators of this type.

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Syed A. Nasar, et al., Linear Electric Motors: Theory, Design, and Practical Applications, Linear Motion Oscillators, Chapter 8, pp. 233-243, 1987 (Publication date).

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