Vibration motors

Details Vibration motors Vibration motors

1998-09-02

2000-05-09

Ramirez, Nestor

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

31032304, 310328, 310331, H01L 4102, H01L 41053

Patent

active

060608161

ABSTRACT:
A vibration motor includes in a casing at least two pairs of stator plates which comprise tangential deformation active members and two rotor disks between the plates of respective pairs. Active members for generating a normal force extend between the facing plates of both pairs. A spring arrangement is disposed between the pairs of plates and the casing.

REFERENCES:
patent: 4714855 (1987-12-01), Fujimoto
patent: 4937488 (1990-06-01), Fujie et al.
patent: 5034647 (1991-07-01), Ohtsuka
patent: 5068566 (1991-11-01), Culp
patent: 5172023 (1992-12-01), Kawai et al.
patent: 5532540 (1996-07-01), Claeyssen et al.
Japanese Abstract 2111269, Tadakazu, "Multilayer Vibrating Motor", Apr. 24, 1990.

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