Screw rod compression-expansion unit for fuel battery automobile
A screw compression and fuel cell technology, applied in the field of power machinery, can solve problems such as difficulty in improving efficiency, and achieve the effects of improving efficiency, reducing exhaust temperature, and reducing weight
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[0018] see figure 1 , the present invention comprises a speed-adjustable water-cooled DC high-speed motor 12, and the two axial ends of the water-cooled DC high-speed motor 12 are respectively equipped with split couplings 11, through which the split shaft couplings 11 are connected with the compressor 7 and the expander respectively. 13 connected. The water-cooled DC high-speed motor 12 is located between the compressor 7 and the expander 13, fixed on the two supports 10, and plays a connecting role. A compressor 7 and an expander 13 are respectively seated on the supports 10 on both sides. The coaxiality of the cold DC high-speed motor 12, the compressor 7 and the expander 13 is guaranteed by the matching structure on both sides of the support 10. Therefore, in actual use, the compressor, expander and water-cooled DC high-speed motor can be axially withdrawn very conveniently without cumbersome alignment.
[0019] The aforementioned compressor 7 and expander 13 have exact...
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