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. 12, 2018
Filed:
Sep. 25, 2015
Ford Global Technologies, Llc, Dearborn, MI (US);
Benjamin Pence, Dearborn, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
A water management method for a fuel cell stack (FCS) is provided. The method may include outputting via a controller an FCS anode port estimated relative humidity value based on consumption of reactants and generation of products in the FCS and adjusting a humidification control strategy based on the value. The outputting may be in response to occurrence of a predicted FCS anode port relative humidity value from a model of a hydrogen recirculation system (HRS) of the FCS being within a predefined range. A fuel cell vehicle including a HRS and a controller is also provided. The HRS may include an ejector and a fuel cell stack having an anode port. The controller may be configured to activate a HRS model to calculate a real-time estimate of a relative humidity of the anode port based on an estimated flow rate of a secondary nozzle of the ejector.