Patent · US Active

Method and capacitive sensor for counting aerosol nanoparticles

US9151724B2 · kind B2 · utility

0Cited by
14References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 8, 2009
Grant dateOct 6, 2015
Priority date
Expiry dateJan 25, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2015/0038
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The invention refers to a method and capacitive sensor for counting aerosol nanoparticles in an electric way. Aerosol particles, onto which a fluid was applied in an earlier process by known methods, change the capacitance of the dielectric of the capacitor when entering its field, which causes an electric signal. The method provides for detection of aerosol particles in a wide scope of their presence in the air and is not specific for any shape or chemical composition of nanoparticles.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.