| 摘要 |
An improved combustion engine, compressor, pump, or fluid driven motor in single cylinder ( 20 of FIG. 1 ) or multiple cylinder ( 20 of FIG. 13 ), versions wherein a normally cylindrical rotor ( 50 ) external to drive or driven bearings ( 64, 65, 65 A, 65 B), has a patterned cam track (between 52 and 53 ) for transforming the piston ( 32 ) linear reciprocating motion to rotary motion. Two cam tracks ( 52, 53 ) can be offset coaxially to allow for continuous unidirectional rotation of said bearings.
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