| 摘要 |
A rotary fluid machine according to the present invention can comprise: an outer rotor having a plurality of gear teeth provided on the inner peripheral surface thereof; a middle rotor having gear teeth, which are one fewer than the number of gear teeth of the outer rotor, provided on the inner peripheral surface and outer peripheral surface thereof, and rotating by the engagement of the gear teeth, which are provided on the outer peripheral surface thereof, with the outer rotor; an inner rotor having gear teeth, which are one fewer than the number of gear teeth of the middle rotor, provided on the outer peripheral surface thereof, and rotating by the engagement of the gear teeth, which are provided on the outer peripheral surface thereof, with the gear teeth formed on the inner peripheral surface of the middle rotor; a casing supporting the rotation of the outer rotor, and accommodating the outer rotor, the middle rotor, and the inner rotor therein; and a valve plate coupled to the casing, supporting the rotation of the inner rotor, and interrupting or controlling the flow of the working fluid flowing into the outer rotor, the middle rotor, and the inner rotor. |
