公开(公告)号：US5463990A

公开(公告)日：1995-11-07

申请号：US318368

申请日：1994-10-05

申请人： William B. Rush, II ,  Martin J. Mondek ,  Donald K. Sullivan ,  Mark A. Walter ,  Lawrence E. Zdanowicz, Sr.

发明人： William B. Rush, II ,  Martin J. Mondek ,  Donald K. Sullivan ,  Mark A. Walter ,  Lawrence E. Zdanowicz, Sr.

IPC分类号： B63H20/24 ,  F01N13/08 ,  F02B61/04 ,  F02B67/00 ,  F02B75/02 ,  F02B75/18 ,  F02B75/20 ,  F02F1/00 ,  F02F1/36 ,  F02F1/42 ,  F02F7/00 ,  F02M37/00

CPC分类号： B63H20/245 ,  F02B61/045 ,  F02B75/20 ,  F02B2075/027 ,  F02B2075/1808 ,  F02F2200/08

摘要： Disclosed herein is an outboard motor comprising a cylinder block including a lower horizontal drive shaft housing mounting surface, and a cylinder head mounting surface extending upwardly from the drive shaft housing mounting surface, a drive shaft housing including a peripheral outer surface including an upper end, a cylinder block mounting surface at the upper end, and a portion extending rearwardly from the cylinder block mounting surface and having therein a vertically open bore located forwardly of the outer surface, and a cylinder head comprising a cylinder block mounting surface fixed to the cylinder head mounting surface and including vertically spaced first and second recesses adapted to respectively form portions of first and second combustion chambers and respectively including first and second exhaust ports, a bottom surface extending transversely rearwardly from the cylinder block mounting surface of the cylinder head, a projection extending downwardly from the bottom surface and into the bore, and including an end surface having therein an exhaust gas outlet, and an internal exhaust passage extending between the exhaust ports and the exhaust gas outlet.

摘要翻译： 这里公开了一种舷外马达，其包括：气缸体，其包括下水平驱动轴壳体安装表面;以及气缸盖安装表面，其从驱动轴壳体安装表面向上延伸;驱动轴壳体，包括外周表面，其包括上端， 在上端的气缸体安装表面和从气缸体安装表面向后延伸的部分，并且在其中具有位于外表面前方的竖直开口孔，以及气缸盖，其包括固定到气缸盖的气缸体安装表面 安装表面并且包括垂直间隔开的第一和第二凹部，其适于分别形成第一和第二燃烧室的部分并且分别包括第一和第二排气口，从气缸盖的气缸体安装表面横向向后延伸的底表面， 从底部向下 并且包括其中具有排气出口的端面和在排气口和废气出口之间延伸的内部排气通道。