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为了减小轿车用空调压缩机的尺寸和振动,日本丰田汽车公司采用了一种新型径向四缸空压机。该空压机的排量为150厘米~3/转,长度大约为相同排量的传统旋转斜盘式空压机的三分之二。 4个气缸互成90°布置,这种布置使得每相对的两个活塞都装在一个整体式连杆上。沿连杆的中部,杆身为箱形,连杆的端部座落在滑块上。滑块靠曲轴的曲柄销转动来推动气缸内的活塞。采用这种布置,在曲轴上加上任一平衡重就能获得正确的基本平衡。
In order to reduce the size and vibration of the air conditioner compressor for cars, Toyota Motor Corporation of Japan adopted a new radial four-cylinder air compressor. The air compressor displacement of 150 cm 3 / rev, the length of about the same displacement of two-thirds of the traditional swash plate type air compressor. The four cylinders are arranged at 90 ° to each other so that each of the two opposing pistons is mounted on a one-piece linkage. Along the middle of the connecting rod, the shaft is box-shaped, and the end of the connecting rod is seated on the sliding block. The slider rotates with the crankshaft crank pin to push the piston in the cylinder. With this arrangement, the correct basic balance can be obtained by adding any counterweight to the crankshaft.