with one or more pistons in the form of a disk or rotor rotating with relation to the housing; with annular working chamber

Full Title

Internal-combustion engines with pistons rotating or oscillating with relation to the housing > with one or more pistons in the form of a disk or rotor rotating with relation to the housing; with annular working chamber

Child Classifications

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• F02B 2730/011 with vanes sliding in the housing
• F02B 2730/012 with vanes sliding in the piston
• F02B 2730/015 with vanes hinged to the housing
• F02B 2730/016 with vanes hinged to the piston
• F02B 2730/017 with rotating elements fixed to the housing or on the piston
• F02B 2730/018 with piston rotating around an axis passing through the gravity centre, this piston or the housing rotating at the same time around an axis parallel to the first axis