| 摘要 |
<p>An intake system for a rotary piston engine having a plurality of engine sections, each of said engine sections being separated by an intermediate housing (1), comprising communicating passage means for communicating said engine sections (F, R) so that intake air can be transferred between said working chambers (6f, 6r) in accordance with the difference in rotor phase between the engine sections, said communicating passage means being controlled so as to be closed at a timing after an intake port (5f, 5r) is closed in each engine section and positioned so that there remains a larger amount of intake air in each of the working chamber than the required amount of intake air under the lowest load driving condition when the communicating passage means is closed, and throttle valve means (14) for controlling the amount of intake air. According to the present invention, it is possible to obtain a rotary piston engine which can remarkably reduce pumping loss and desirably control the amount of intake air in accordance the engine driving condition. </p> |
