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:
Sep. 01, 2020
Filed:
May. 26, 2017
Koninklijke Philips N.v., Eindhoven, NL;
Michael Martin Scheja, Eindhoven, NL;
Declan Patrick Kelly, Eindhoven, NL;
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
An air purification apparatus () is disclosed that comprises a flow channel () extending between an inlet () and an outlet (); a pollutant removal structure () and an air displacement apparatus () in the flow channel; a branched sensor channel () including: a first branch () extending between an ambient air port () and a further outlet () in the flow channel between the inlet and the air displacement apparatus; and a second branch () extending between the ambient air port and a further inlet () in the flow channel between the air displacement apparatus and the outlet, the first branch and second branch sharing a branch section; at least one sensor () in the shared branch section; a valve arrangement () in the branched sensor channel adapted to exclusively disconnect the first branch from the flow channel in a first configuration and exclusively disconnect the second branch from the flow channel in a second configuration; and a controller () adapted to control the valve arrangement.