Displacement type rotary machine with controlling gears
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United States of America Patent
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Jan 22, 2019
Grant Date -
Dec 10, 2015
app pub date -
Jan 20, 2014
filing date -
Jan 21, 2013
priority date (Note) -
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Abstract
A displacement type rotary machine with non-rotatable housing, two mutually movable co-axial rotors includes an outer rotor movable along housing inside wall, and an inner rotor movable relative to an inner circumferential face of the outer rotor. The outer rotor has radially inwardly directed wings. The inner rotor has a hub with radially outwardly directed wings. Each inner rotor wing is movable between a pair of the outer rotor wings to create chambers. A free end of the inner rotor wings is movable adjacent a curved inside wall of the outer rotor. A free end of the outer rotor wings is movable adjacent the hub. Both rotors are movable adjacent a first cover on the housing. The inner rotor is in movable adjacent a second cover on the outer rotor. Controlling gears control movement of the rotors, the gears including elliptical gearwheels and circular gearwheels.
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