Method and device for generating droplets over a variable spectrum of particle sizes
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United States of America Patent
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Apr 17, 2018
Grant Date -
Oct 30, 2014
app pub date -
Nov 29, 2011
filing date -
Dec 8, 2010
priority date (Note) -
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Abstract
A process for generating droplets with a modulatable droplet size distribution, comprises: making a stream of liquid strike a support with a given relative impact velocity; making said support vibrate at at least one vibration frequency; heating said support to a impact temperature such that the liquid film formed by the impact and made to vibrate is heated to a principal temperature to form in combination what are called principal droplets from said film; and transporting said droplets via a transfer/braking/sorting system to a liquid for precipitating the principal droplets, said transportation being carried out at a transportation temperature, all of these parameters, namely the relative impact velocity, the vibration frequency, the principal temperature and the transportation temperature allowing the droplet size of said formed principal droplets and the velocity of the latter to be modulated. A device allowing the process to be implemented is also provided.
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