The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 20, 2017
Filed:
Dec. 28, 2011
Kauko Janka, Tampere, FI;
Kauko Janka, Tampere, FI;
Pegasor Oy, Tampere, FI;
Abstract
The present invention relates to an apparatus () for monitoring particles in a channel () or a space comprising aerosol and to an ion trap arrangement in the apparatus. The apparatus () comprises an ejector (), gas supply () arranged to feed an essentially particle free ionized gas flow (C) to the ejector (), a sample-inlet arrangement () arranged to provide a sample aerosol flow (A) from the channel () into the ejector () by means of suction provided by the gas supply () and the ejector () for charging at least a fraction of the particles of the sample aerosol flow (A), and an ion trap () extending at least partly into ejector () for removing ions not attached to the particles. According to the invention the ion trap () is a provided as a metal trap wire.