| 摘要 |
A rotating cylinder valve engine (1) comprises an engine casing comprising two casing sections (2, 4) and a double piston and rotating cylinder assembly (5). The casing section (2) is formed with an internal chamber (6) that extends from a open-end of circular cross-section towards a closed-end of the casing section (2). Extending radially outward from the open-end of the casing section (2) is a substantially circular flange (8). The flange (8) comprises four lobe portions (10) each formed with a bolt hole. The flange (8) is formed with a circular radially inner recess (9). The casing section (2) is formed with a fuel inlet port 3a, port for a spark plug (3b) and an exhaust port (3c).
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