FUEL CELL SYSTEM

A fuel cell system includes a bypass passage, a flow path selector portion that selects a flow path of oxidation gas, and a valve opening adjusting portion that adjusts an opening of a pressure adjusting valve. Until a rotation speed of a rotary shaft reaches a separation rotation speed at which the...

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Bibliographische Detailangaben
Hauptverfasser:	OKAZAKI, Kazuki, SUZUKI, Junya, MORI, Hidefumi
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING ELECTRICITY HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS
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Beschreibung
Zusammenfassung:	A fuel cell system includes a bypass passage, a flow path selector portion that selects a flow path of oxidation gas, and a valve opening adjusting portion that adjusts an opening of a pressure adjusting valve. Until a rotation speed of a rotary shaft reaches a separation rotation speed at which the rotary shaft is separated from an aerodynamic bearing, the flow path selector portion permits flow of the oxidation gas from an electric compressor to a fuel cell stack through a supply passage and flow of the oxidation gas from the electric compressor to a discharge passage through the supply passage and the bypass passage, and the valve opening adjusting portion adjusts the opening of a pressure adjusting valve so that an efficiency of a turbine is maximized by the discharge gas.