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:
Aug. 30, 2005
Filed:
Mar. 25, 2003
Applicants:
Kari Härkönen, Espoo, FI;
Brad Aitchison, Espoo, FI;
Inventors:
Kari Härkönen, Espoo, FI;
Brad Aitchison, Espoo, FI;
Assignee:
Planar Systems, Inc., Beaverton, OR (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D045/04 ;
U.S. Cl.
CPC ...
Abstract
A high conductivity particle filter provides a flow path to subject a fluid stream to a series of turns. The turns require an abrupt directional change for the fluid stream. Traps are positioned in proximity to the turns to capture particles, which have greater inertia than the fluid. The flow path may be a spiral or a series of parallel paths. A cross sectional area of the flow path may be progressively decreased to increase flow velocity and particle inertia.