Ultrasonic oscillator device and machine incorporating the devic

Details Ultrasonic oscillator device and machine incorporating the devic Ultrasonic oscillator device and machine incorporating the devic

1978-03-24

1979-09-25

Christian, Leonard D.

Agitating

By vibration

With amplitude or frequency regulator

331187, B01F 1100

Patent

active

041689160

ABSTRACT:
An ultrasonic oscillator device which has automatic gain control and which comprises a phase detector for detecting the phase difference between a load voltage and varying quantities indicating an operational condition of the load. The device further comprises a voltage control oscillator adapted to control an oscillating frequency through a direct current voltage corresponding to the phase difference. Further, the ultrasonic oscillator device is combined with a vibrator driven thereby and a small sized motor having a fan to forcedly cool the vibrator. The vibrator and the fan are accommodated in a housing, the size of which is made small, to produce a compact type machine.

REFERENCES:
patent: 3771772 (1973-11-01), Honda
patent: 3826993 (1974-07-01), White

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