Ultrasonic pulse cleaner

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

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H01L 4108

Patent

active

055347410

ABSTRACT:
An ultrasonic pulse cleaner has a driving circuit which receives current from a source and drives an ultrasonic energy generating element. A timer connected to the driving circuit permits operation in a first mode in which the ultrasonic energy generating element generates ultrasonic energy at a substantially continuous rate, and in a second mode in which the ultrasonic energy generating element generates ultrasonic energy as a plurality of discrete pulses.

REFERENCES:
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patent: 3638087 (1972-01-01), Ratcliff
patent: 3980906 (1976-09-01), Kuris et al.
patent: 4319155 (1982-03-01), Nakai et al.
patent: 4376255 (1983-03-01), Kleinschmidt
patent: 4641053 (1987-02-01), Takeda
patent: 4736130 (1988-04-01), Puskas
patent: 4864547 (1989-09-01), Krsna
patent: 5109174 (1992-04-01), Shewell
patent: 5218980 (1993-06-01), Evans
Brookstone Hard-To-Find Tools Catalog, "Ultrasonic cleaner", p. 54, (1993).

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