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1. 发明授权

US5524578A Two-cycle engine having improved idle relief 失效
标题翻译：双循环发动机具有改进的怠速释放
公开(公告)号：US5524578A
公开(公告)日：1996-06-11
申请号：US536721
申请日：1995-09-29
申请人： Todd Craft , Tim Bowhall , Dave Mate
发明人： Todd Craft , Tim Bowhall , Dave Mate
IPC分类号： F02B75/18 , F01L13/08 , F02B25/26 , F02B75/02 , F02D13/08 , F02F1/22 , F02B77/08
CPC分类号： F01L13/08 , F02B75/02 , F02F1/22 , F02B2075/025
摘要： An engine having an engine block defining at least two cylinders having respective cylinder heads. Pistons are reciprocal within respective ones of the cylinders. The cylinders have respective fuel inlet ports and exhaust ports and two of said cylinders have an idle relief port disposed between their respective exhaust port and head ends. The idle relief ports of the cylinders are interconnected by a passageway for providing communication between the idle relief ports of said at least two cylinders. This has been found to provide reduced pull start resistance, reduced engine vibration during idle, and significantly reduced horsepower loss over a wide operating range which horsepower loss is normally associated with idle prior art relief structures which vent directly from idle relief ports to atmosphere.
摘要翻译：具有限定具有相应气缸盖的至少两个气缸的发动机缸体的发动机。活塞在相应气缸内是相互的。气缸具有各自的燃料入口和排气口，并且两个所述气缸具有设置在它们各自的排气口和头端之间的空闲排放口。气缸的空闲卸载口通过通道互连，用于提供所述至少两个气缸的空闲卸压口之间的连通。已经发现，在较宽的工作范围内，提供降低的起动阻力，减少发动机振动，以及马力损失显着降低，马力损失通常与从空闲卸载口直接排放到大气中的空闲现有技术浮雕结构相关联。

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