Fuel cell powerplant system
AssigneeKabushiki Kaisha Toshiba
InventorTakashi Amemiya
Life of this patent
Estimating the term…
Abstract
A fuel cell powerplant system comprises a fuel cell that houses in an airtight containment vessel a cell stack formed from many layers of individual fuel cells, a cooling water loop that cools the fuel cell, and a steam separator that is disposed on the side of an outlet of a fuel cell of the cooling loop and that discharges steam, and wherein one portion of the steam discharged from the steam separator is introduced via a purge steam line to the containment vessel or the cathode of the fuel cell for the purpose of purging containment vessel.
Claims7
In a fuel cell powerplant system comprising a fuel cell installed in an airtight containment vessel a cell stack formed from a plurality of layers of individual fuel cells, a cooling water loop for the fuel cell, and a steam separator disposed on the side of an outlet of a fuel cell of the cooling loop and discharging steam, the improvement comprising:
- a purge steam line which introduces one portion of the steam discharged from the steam separator into the containment vessel of the fuel cell to purge the containment vessel.
Dependencies are inferred from the claim text.