| 摘要 |
The present invention provides an internal combustion engine and a method of manufacturing the internal combustion engine. The internal combustion engine comprises a housing, a first rotor, first and second impellers and a compression cam. In a preferred embodiment, the housing has a first inner surface defining a first cavity therein, the first rotor is journalled for rotation within the first cavity and is situated to define compression and exhaust cavities on opposing sides therein, first and second impellers located in, and slidable with respect to, first and second opposing radial apertures in the first rotor, and the compression cam is fixedly coupled to the housing. The compression cam has a working surface portion that corresponds to a profile of the inner surface to force the first and second impellers to contact the inner surface and a dead surface portion that departs from the profile to allow the first and second impellers to withdraw from the inner surface.
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