超188亿美元 第九届中国石油国际合作论坛暨签约仪式在沪举行

yun2025

超188亿美元 第九届中国石油国际合作论坛暨签约仪式在沪举行

格力电器获专利，用温度变化切换空调压缩机回油路径

11月6日，格力电器（000651）的发明专利《一种分液器结构、压缩机和空调器》获授权，申请号为CN202311775317.8。

空调在不同工况下运行，分液器需要的回油高度并不相同。这项设计在出气管上安排高、低两个回油孔，把控制低位孔的任务交给感温部件。分液器内温度高于设定值时，部件变形并封住下孔。温度降到阈值或以下，下孔重新打开。借助部件对温度的响应，回油位置可以随吸气工况变化，而不必始终使用同一高度的回油口。

截至此次授权消息披露时，格力电器今年获得的各类专利授权共5983项，比上年同期减少17.11%。在2026年上半年，公司研发投入为31.67亿元，同比减少19.16%。企业知识产权记录中，珠海格力电器股份有限公司名下可查到125377条专利信息和311条著作权信息。

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