Ultrasonic motors and converters

Details Ultrasonic motors and converters Ultrasonic motors and converters

1975-08-01

1977-03-15

Budd, Mark O.

Electrical generator or motor structure

Educational or construction units or kits

318118, H01L 4108

Patent

active

040126471

ABSTRACT:
The invention discloses various embodiments of an ultrasonic motor and converter adapted to be used in home or industrial ultrasonic devices. The ultrasonic motor is generally of a piezoelectric material having a removable tip or of a design in which the complete motor is contained in a housing, which housing has electrical contact means adapted to be plugged into an adapter which, in turn, is connected to a converter. The motor is designed such that frequency sensing means is provided therein and the feedback signal is utilized by the converter to adjust itself thereto. The converter includes tuned circuit means tuned to a band including a desired frequency for sustaining the vibration of said motor at the desired frequency.

REFERENCES:
patent: 2848672 (1958-08-01), Harris
patent: 3368280 (1968-02-01), Friedman et al.
patent: 3375820 (1968-04-01), Kuris et al.
patent: 3432691 (1969-03-01), Shoh
patent: 3651352 (1972-03-01), Puskas
patent: 3681627 (1972-08-01), Murry et al.
patent: 3727112 (1973-04-01), Popescu
patent: 3819961 (1974-06-01), Bourgeois et al.
patent: 3889166 (1975-06-01), Scurlock
patent: 3931533 (1976-01-01), Raso et al.

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