DEVICE FOR SUPPLYING AIR TO FUEL CELLS

摘要

The device has a compressor (5) connected before the fuel cell (1) and an expansion device (6) connected after the fuel cell. The compressor is in the form of a claw compressor with at least two mutually engaged compressor wheels (7,7') and the expansion device is in the form of a claw expansion device with at least two mutually engaged expansion device wheels (9,9').