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Condensation-evaporator nanoparticle charger

United States Patent

February 28, 2017
View the Complete Patent at the US Patent & Trademark Office
A particle charging method and apparatus are provided. An ion source is applied to a particle laden flow. The flow is introduced into a container in a laminar manner. The container has at least a first section, a second section and a third section. The first section includes wetted walls at a first temperature. A second section adjacent to the first section has wetted walls at a second temperature T2 greater than the first temperature T1. A third section adjacent to the second section has dry walls provided at a temperature T3 equal to or greater than T2. Additional water removal and temperature conditioning sections may be provided.
Hering; Susanne Vera (Berkeley, CA), Spielman; Steven Russel (Oakland, CA), Lewis; Gregory Stephen (Berkeley, CA)
14/ 043,662
October 1, 2013
GOVERNMENT LICENSE RIGHTS This technology was made with government support under Grant No. DE-SC0004643 and DE-SC00009644 from the US Department of Energy. The government has certain rights in the technology.