Patent · US Active

Device and method for determining an aerosol delivery

US11992606B2 · kind B2 · utility

0Cited by

1References

16Claims

0Family size

Assignee

Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

Felix Wiegandt · Hannover, DE
Gerhard Pohlmann · Meerbeck, DE

Key dates

Filing date	Jul 2, 2019
Grant date	May 28, 2024
Priority date	—
Expiry date	Jun 17, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG01N15/075
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A device for determining delivery of an aerosol stream has a collector having a filter for collecting aerosol particles in the aerosol stream, a first fluid connection point connectable to an aerosol generator, and a second fluid connection point connectable to a breathing simulator for simulating tidal breathing, at least one measurement volume for an interaction of at least one light beam with the aerosol particles passing through the measurement volume, at least one optical measurement unit for generating at least one optical measurement signal depending on the interaction of the at least one light beam with the aerosol particles passing the measurement volume, and at least one evaluation unit for determining the aerosol delivery of the aerosol stream from the at least one optical measurement signal. A method determines an absorption and/or adsorption of a liquid on aerosol particles.

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