The present invention is a method of and an apparatus for creating a pulsed stream of particles in a carrier means, such as air. A pre-metered stream of particles is accumulated in a pulsing chamber of a pulsing means by interrupting the stream of particles by a separator means, which interrupts the...http://www.google.es/patents/US20030225382?utm_source=gb-gplus-sharePatente US20030225382 - Method and apparatus for creating a pulsed stream of particles
Method and apparatus for creating a pulsed stream of particles
