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公开(公告)号：US4462346A
公开(公告)日：1984-07-31
申请号：US406446
申请日：1982-08-09
申请人： David F. Haman , Dale M. Needham
发明人： David F. Haman , Dale M. Needham
CPC分类号： F02M69/10 , F02B61/045 , F02M1/16 , F02M3/12 , F02B2075/025 , Y10S261/08
摘要： Disclosed herein is an internal combustion engine comprising a crankcase, a cylinder extending from the crankcase and having an inlet port, a piston located in the cylinder, a transfer passage located between the crankcase and the cylinder inlet port, a fuel pump adapted to communicate with a source of fuel for normal operation, a carburetor having an air induction passage communicating with the crankcase and including a venturi, which carburetor also includes a float bowl communicating with the fuel pump and a high speed nozzle communicating between the float bowl and the venturi, a low speed fuel nozzle communicating with the transfer passage adjacent the inlet port, and a fuel line communicating between the float bowl and the low speed nozzle and including therein check valve means preventing flow from the transfer passage to the float bowl and permitting flow from the float bowl to the transfer passage, which fuel line also includes fuel flow metering means.
摘要翻译： 本文公开了一种内燃机，其包括曲轴箱，从曲轴箱延伸并且具有入口端口，位于气缸中的活塞的气缸，位于曲轴箱和气缸入口之间的传送通道，适于与 用于正常操作的燃料源，具有与曲轴箱连通并包括文丘里管的空气引导通道的化油器，该化油器还包括与燃料泵连通的浮筒和在浮筒和文丘里管之间连通的高速喷嘴， 与所述输送通道相邻的低速燃料喷嘴与所述入口连通，以及在所述浮筒和所述低速喷嘴之间连通的燃料管线，并且包括止回阀装置，其阻止从所述输送通道流到所述浮筒并允许 浮筒到传送通道，该燃料管路还包括燃料流量计量装置。
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公开(公告)号：USRE32938E
公开(公告)日：1989-06-06
申请号：US93122
申请日：1987-09-01
申请人： David F. Haman , Dale M. Needham
发明人： David F. Haman , Dale M. Needham
CPC分类号： F02M3/12 , F02B61/045 , F02M1/16 , F02M69/10 , F02M71/04 , F02B2075/025
摘要： Disclosed herein is an internal combustion engine comprising a crankcase, a cylinder extending from the crankcase and having an inlet port, a piston located in the cylinder, a transfer passage located between the crankcase and the cylinder inlet port, a fuel pump adapted to communicate with a source of fuel for normal operation, a carburetor having an air induction passage communicating with the crankcase and including a venturi, which carburetor also includes a float bowl communicating with the fuel pump and a high speed nozzle communicating between the float bowl and the venturi, a low speed fuel nozzle communicating with the transfer passage adjacent the inlet port, and a fuel line communicating between the float bowl and the low speed nozzle and including therein check valve means preventing flow from the transfer passage to the float bowl and permitting flow from the float bowl to the transfer passage, which fuel line also includes fuel flow metering means.
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