Air-cooled fuel-cell freeze-protection system

An air-cooled fuel-cell freeze-protection system for a rotorcraft using a controller to vary a heating system for an air-cooled fuel cell. The heating system heats supply air for the air-cooled fuel cell, and a butterfly valve varies a pressure of the supply air to the air-cooled fuel cell. The heat...

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Bibliographische Detailangaben
1. Verfasser:	Rainville, Joseph D
Format:	Patent
Sprache:	eng
Schlagworte:	AEROPLANES AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT AVIATION BASIC ELECTRIC ELEMENTS COSMONAUTICS ELECTRICITY EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLYING SUITS HELICOPTERS PARACHUTES PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TRANSPORTING
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Beschreibung
Zusammenfassung:	An air-cooled fuel-cell freeze-protection system for a rotorcraft using a controller to vary a heating system for an air-cooled fuel cell. The heating system heats supply air for the air-cooled fuel cell, and a butterfly valve varies a pressure of the supply air to the air-cooled fuel cell. The heating system can be an electric heater, a heat exchanger, or a combination of heater and heat exchanger.