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燃油压力调节器的工作原理是什么
更新时间: 2020-09-15 00:00:00  

燃油压力调节器的工作原理如下:

油压大小由弹簧和气室真空度二者协调,当油压高过标准值时,高压燃油会顶动膜片上移,球阀打开,多余的燃油会经回油管反流油箱;当压力低过标准值时,弹簧会下压膜片将球阀关闭,停止回油。压力调节器的作用就是保持油路内的压力保持恒定,油压过低则喷油器喷油太弱或不喷油,油压太高则使油路损毁或喷油器损坏。

关键词: 燃油 压力 调节器 工作 原理 什么

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