Based in the history and basic principles of screw compressor, this paper systematically studies, analyses and develops a new semi-hermetic screw compressor with a pair of speed increase gears and a new water chiller with the new compressor.
本文从螺杆压缩机的发展和基本理论研究出发，针对一种带增速齿轮的半封闭螺杆压缩机和由此压缩机所组成的冷水机组进行系统的研究、分析与开发。
参考来源 - 带增速齿轮的半封闭螺杆压缩机转子型线研究及其冷水机组开发·2,447,543篇论文数据，部分数据来源于NoteExpress
The results show that the floating displacements of center gears change largely with the increase of the system power while change slightly with the increase of the system rotate speed.
结果表明：中心轮的浮动位移随系统输入功率增大而增大，随系统转速增大而减小；
In a vehicle with manual transmission, shift gears as you increase speed.
手动档车辆，应即时加速换档。
A pair of gears with different number of teeth will increase or decrease the speed of rotation.
齿数不同的一对齿轮能够提高或降低转速。
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