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US Patent 9368814 System and method for controlling fuel cell module

Patent 9368814 was granted and assigned to Hydrogenics on June, 2016 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Applicant
Hydrogenics
Hydrogenics
1
Current Assignee
Hydrogenics
Hydrogenics
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
93688141
Patent Inventor Names
Paolo Forte1
Date of Patent
June 14, 2016
1
Patent Application Number
138747981
Date Filed
May 1, 2013
1
Patent Primary Examiner
‌
Ula C Ruddock
1
Patent abstract

A fuel cell module has a hydrogen recirculation pump and a controller. The controller receives a signal indicating the response of the pump to changes in the density or humidity of gasses in the hydrogen recirculation loop. The controller is programmed to consider the signal in controlling one or more balance of plant elements that effect the removal of water from the stack. In a process for operating the fuel cell module, the signal is considered when controlling one or more balance of plant elements that effect the removal of water from the stack. For example, an increase in current drawn from a constant speed or voltage recirculation pump indicates an increase in humidity and suggests that water should be removed from the stack, for example by increasing a coolant temperature set point.

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