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专利申请号:85203963 这种强制怠速节油器采用“导”的方法而不用“堵”的方法来达到节油的目的。汽车减速时,当发动机节气门全闭、转速超过规定值后,电磁阀使附加空气通道开通,清洁空气通过附加空气通道进入化油器喉管下腔怠速油道,使该处负压降低,真空度被破
Patent application number: 85203963 This forced idle economizer using “guide” method instead of “plugging” approach to achieve the purpose of fuel-efficient. When the vehicle decelerates, when the engine throttle is fully closed and the speed exceeds the specified value, the solenoid valve opens the additional air passage and the clean air enters the lower chamber idle oil passage of the carburetor through the additional air passage to reduce the negative pressure there. The degree of vacuum is broken