• The special cast iron rotors have a hollow interior structure.
• Reduction in rotor weight has been achieved by reducing the thickness of the ribs in the rotor interior.
• The outer surfaces of the rotor include rotor recesses that serve as the combustion chambers. (Bathtub shape)
• A rotor bearing has been installed to the interior wall of the central axial area because the wall rubs against the eccentric shaft.
• Flank cuts are located at the corners of the rotor to delay exhaust closing timing by approx. 15 degrees, improving exhaust efficiency.
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1
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Rib
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2
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Internal gear
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3
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Spring pin
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4
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Rotor bearing
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5
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Flank cut
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6
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Rotor recess
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7
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Direction of rotor rotation
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