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1. 发明授权

US5870978A Dual fuel engine which utilizes valve lubricant as a pilot fuel 失效
标题翻译：双燃料发动机，利用阀门润滑剂作为引燃燃料
公开(公告)号：US5870978A
公开(公告)日：1999-02-16
申请号：US79350
申请日：1998-05-15
申请人： Martin L. Willi , Min Wu , Jeffrey T. Fischer
发明人： Martin L. Willi , Min Wu , Jeffrey T. Fischer
IPC分类号： F01M9/10 , F01M11/04 , F02D19/08 , F02D19/10 , F02B7/06
CPC分类号： F02D19/10 , F02D19/0623 , F02D19/0631 , F02D19/0692 , F02D19/08 , F01M2011/0466 , F01M2011/0475 , F01M9/10 , Y02T10/36
摘要： An engine assembly includes a plenum member having an inlet opening and an outlet opening defined therein. The engine assembly further includes an air source in fluid communication with the inlet opening. The engine assembly still further includes a fuel combustion assembly having an engine block having a piston cylinder defined therein, an engine head secured to the engine block and having an intake port defined therein, and a piston which translates within the piston cylinder. The piston, the piston cylinder, and the engine head cooperate so as to define a combustion chamber. The engine assembly further includes a gaseous fuel supply valve which controls the amount of gaseous fuel advanced from a gaseous fuel source to the first intake conduit. The engine assembly still further includes an intake conduit interposed between the outlet opening and the intake port. The engine assembly still further includes a port oil injector operable to inject lubricating oil through an oil opening in the intake conduit and an intake valve positionable between an open position and a closed position. The lubricating oil lubricates the intake valve as the lubricating oil advances from the intake conduit to the combustion chamber during an intake stroke of the engine assembly, and combusts so as to ignite the mixture of natural gas and air in the combustion chamber during a compression stroke of the engine assembly. A method of operating the engine assembly is also disclosed.
摘要翻译：发动机组件包括具有入口开口和限定在其中的出口开口的增压室构件。发动机组件还包括与入口开口流体连通的空气源。发动机组件还包括燃料燃烧组件，该燃料燃烧组件具有限定在其中的活塞气缸的发动机缸体，固定到发动机缸体上并具有限定在其中的进气口的发动机头和在活塞气缸内平移的活塞。活塞，活塞缸和发动机头配合以限定燃烧室。发动机组件还包括气体燃料供给阀，其控制从气体燃料源前进到第一进气管道的气体燃料的量。发动机组件还包括插入在出口和进气口之间的进气管。发动机组件还包括端口油喷射器，其可操作以将润滑油喷射通过进气管道中的油开口和可定位在打开位置和关闭位置之间的进气阀。在发动机组件的进气冲程期间，当润滑油从进气管道前进到燃烧室时，润滑油润滑进气门，并且燃烧以在压缩冲程期间点燃燃烧室中的天然气和空气的混合物的发动机总成。还公开了一种操作发动机组件的方法。

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