Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
William Schwartz0
Mukesh Kumar0
Sherry Mueller0
Vijay Garg0
Byung Kim0
Chendong Huang0
George Shih0
Date of Patent
February 2, 2010
0Patent Application Number
116041600
Date Filed
November 25, 2006
0Patent Primary Examiner
Patent abstract
A flush and fill process is used to ready a fuel cell cooling circuit for initial use. An external flushing system releasably connected to the cooling circuit circulates flushing coolant through the cooling circuit to remove contaminants from the wetted surfaces of the cooling circuit before the fuel cell is put into use. The flushing system includes a pump for circulating the flushing coolant through the cooling circuit, filters for removing contaminants from the coolant and a heater for elevating the temperature of the coolant. Following the flushing process to remove contaminants, the flushing system is disconnected from the cooling circuit and the cooling circuit is filled with fresh coolant.
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