| 摘要 |
An internal combustion engine comprising an elongated cylinder (16) having substantially vertically disposed walls defining a firing chamber; piston means (20) housed within said firing chamber; gas inlet channel means (22) in the lower portion of said firing chamber; a crankcase housing (2) having a gas compression chamber (26) disposed therein; valve means adapted for passing fuel/air mixtures into the gas compression chamber upon the depressuring thereof; exhaust means provided at or adjacent to the upper end of said cylinder; fuel ignition means (12) for igniting a compressed fuel/air mixture in said firing chamber; at least a portion (44) of said cylinder walls extending downwardly into said gas compression chamber (26); the upper portion of said crankcase housing having inwardly sloping walls to define a converging gas space (30), said gas inlet channel means (22) providing gaseous communication between said firing chamber and said converging gas space (30). |
