Piezoelectric vibration wave motor with multiple traveling wave

Details Piezoelectric vibration wave motor with multiple traveling wave Piezoelectric vibration wave motor with multiple traveling wave

1983-12-12

1984-11-20

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310328, 310323, H01L 4108

Patent

active

044840993

ABSTRACT:
In a vibration motor, electrostrictive elements arranged or polarized phase-differentially are bonded to a plurality of concentric ring-shaped vibration members arranged on at least one of a stator and a rotor, voltages are applied to the electrostrictive elements to generate travelling vibration waves in the vibration members and the rotor contacting to the vibration members is friction-driven by the travelling vibration wave.

REFERENCES:
patent: 4019073 (1977-04-01), Vishnevsky et al.

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