Piezoelectrically driven ultrasonic tool with cooling

Details Piezoelectrically driven ultrasonic tool with cooling Piezoelectrically driven ultrasonic tool with cooling

1975-12-15

1977-09-20

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310314, H01L 4104

Patent

active

040499812

ABSTRACT:
A hand held device for generating ultrasonic vibrations comprises an elongated tubular casing having therein a piezoelectric vibrator element and a generator that develops an electrical signal having a predetermined ultrasonic frequency that excites the piezoelectric vibrator element into ultrasonic vibration. A work tool protrudes from the casing and is vibrationally coupled to the piezoelectric vibrator element by a vibratory rod and the rod transmits the vibration from the piezoelectric vibrator element to the work tool. A cooling system is disposed within the casing and flows a cooling agent through the device to cool both the piezoelectric vibrator element and the generator and the cooling agent is discharged from the device in atomized form through an opening in the work tool.

REFERENCES:
patent: 2874470 (1959-02-01), Richards
patent: 3375820 (1968-04-01), Kuris
patent: 3645255 (1972-02-01), Robinson
patent: 3760799 (1973-09-01), Crowson
patent: 3809977 (1974-05-01), Balamuth et al.

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