MULTI-FREQUENCY ULTRASONIC APPARATUS AND PROCESS WITH EXPOSED TRANSMITTING HEAD
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United States of America Patent
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Issued Date -
May 27, 2010
app pub date -
Nov 20, 2009
filing date -
Nov 20, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention is an ultrasonic device with the transmitting head located outside a housing enclosure while radial mode PZTs and tail mass are located inside the housing enclosure. The ultrasonic device and related process are useful for any process involving supplying ultrasonic energy to a liquid, including controlling algae and decontaminating liquids with multiple ultrasonic transmitters driven at variable frequencies. A broad range of algae can be successfully controlled and various liquids can be decontaminated or otherwise processed in a rapid and effective way. Each transmitter is housed in an enclosure that can float on the surface of tanks; pools, reservoirs, lakes, ponds, and water and waste-water facilities. Alternatively, the transmitters can be attached to a structure and positioned with the transmitting head immersed into the liquid. The exposed transmitting head efficiently transmits ultrasonic energy to the liquid.
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