| 摘要 |
A rotary engine has co-acting housing affixed gate and rotor-affixed runner mechanism which automatically retract so that the runners can pass through respective portions of the gate which then automatically extend and seal so that they form between runner and gate an expansible chamber for admission of gas under pressure to cause the runner or runners to rotate the rotor; actuation to retract the gate mechanism and the runner mechanism is by contact between pivotal elements respectively engaging them as they approach each other, and expansion of each for sealing the gate mechanism centrally and for producing runner-sealing against the walls of the housing is by means of spring-bias; both symmetrical and asymmetrical embodiments are disclosed.
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