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发明授权
CN109312747B 压缩机和阀组装体 失效 - 权利终止

压缩机和阀组装体
摘要：
提供一种压缩效率高的压缩机。阀组装体(280)被设置在压缩室(S1、S2)与注入管道(90)之间。这里，阀组装体(280)具有开口形成部件(281)、阀主体(282)和弹簧部件(283)。开口形成部件(281)形成开口(281a)。阀主体(282)根据从注入管道(90)供给的制冷剂的压力与压缩室(S1、S2)内的压缩中途的制冷剂的压力之差而移动，在从压缩室(S1、S2)侧移动到注入管道(90)侧时，封闭开口(281a)。弹簧部件(283)相对于开口(281a)被配置在注入管道(90)侧，对阀主体(282)向注入管道(90)侧的方向施力。
摘要（英）：

Provided is a compressor whose compression efficiency is high. A valve assembly (280) is provided between a compression chamber (S1, S2) and an injection pipe (90). Here, the valve assembly (280) has an opening forming member (281), a valve body (282), and a spring member (283). The opening forming member (281) forms an opening (281a). The valve body (282) moves in accordance with differences between the pressure of refrigerant supplied from the injection pipe (90) and the pressure of refrigerant in the middle of compression in the compression chamber (S1, S2) and blocks the opening (281a) when the valve body has moved from the compression chamber (S1, S2) side to the injection pipe (90) side. The spring member (283) is disposed on the injection pipe (90) side of the opening (281a) and applies force in the direction of the injection pipe (90) to the valve body (282).

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