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:
Nov. 03, 2020
Filed:
Sep. 27, 2016
Koninklijke Philips N.v., Eindhoven, NL;
Michael Anthony Borrello, Carlsbad, CA (US);
Koninklijke Philips N.V., Eindhoven, NL;
Abstract
A ventilator () configured to control a pressure and gas mixture for an air flow. The ventilator include: a gas source (); a proportional valve () configured to control a gas flow rate from the gas source; a mix controller () in communication with the proportional valve, the mix controller configured to monitor a flow of gas through the blower, and further configured to control a percentage of oxygen in the output flow; a blower motor (); and a blower motor controller () configured to control a speed of the blower motor using a current feedback loop, a blower speed feedback loop, a flow feedback loop, and a pressure feedback loop. The ventilator can also include, for example, a pseudo-derivative feedback compensator, a complimentary filter, and/or a speed controller.