| 摘要 |
A direct-drive rotary engine having a rotor housing, the rotor housing having an interior wall structure which defines an open interior of the engine compartment, including an air intake region, a compression region, a combustion region, an expansion region and an exhaust region therein, in which is rotatably disposed a cylindrical rotor assembly coaxially fixed to an engine shaft. The rotor receives a plurality of slidable and retractable sliding walls in a radial arrangement, respectively at positions substantially equal spaced on circumference of said rotor. The sliding walls include a pair of compression rods which are pressures biased to the surrounding inner wall structure of the rotor housing during the rotation of the rotor. The reciprocating movements of the sliding walls define the working chambers of the engine as the rotor rotates, dividing the rotor housing into plurality of sweeping airtight chambers, so that the Otto cycle are carried out once for each sliding wall during a complete revolution of the rotor.
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