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1. 发明授权

US4171686A Carburation devices with idle adjustment 失效
标题翻译：具有空调调节的碳化装置
公开(公告)号：US4171686A
公开(公告)日：1979-10-23
申请号：US818601
申请日：1977-07-25
申请人： Jacques Chenet
发明人： Jacques Chenet
IPC分类号： F02D11/08 , F02M3/06 , F02D9/08
CPC分类号： F02D11/08 , F02M3/062 , Y10S261/18
摘要： A carburetor for an internal combustion engine comprises a fuel idling circuit opening into the intake pipe downstream of a driver-actuated main throttle. Idle regulation means comprise a first pneumatic element connected to that part of the intake pipe downstream of the main throttle and a second pneumatic element having a movable part connected to the main throttle means by a unidirectional connection such that the throttle means can be opened to an additional extent. The second pneumatic element is subjected to the vacuum in a chamber connected to said part of the intake pipe and also connected to atmosphere by a valve carried by the movable part of the second element and opened by the first pneumatic element moving with respect to the second pneumatic element when there is an increase in the degree of vacuum in the intake pipe. Additional means preventing the main throttle from closing beyond a partially open position and which are disabled after successful cranking may be provided.
摘要翻译：一种用于内燃机的化油器包括一燃料怠速回路，该燃料怠速回路通过驾驶员致动的主节气门下游进入进气管。空转调节装置包括连接到主节气门下游的进气管的该部分的第一气动元件和第二气动元件，其具有通过单向连接连接到主节流装置的可动部分，使得节流装置可以打开至额外的程度。第二气动元件在连接到进气管的所述部分的室中经受真空，并且还通过由第二元件的可移动部分承载的阀连接到大气，并且由第一气动元件相对于第二元件移动而打开当进气管中的真空度增加时，气动元件。可以提供防止主节气门关闭超过部分打开位置并且在成功起动之后被禁用的附加装置。

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