A rotary internal-combustion engine in which a triangular rotor turning in a specially shaped housing performs the functions allotted to the pistons of a conventional engine, thereby allowing great savings in weight and moving parts.
A rotary internal-combustion engine having a three-lobed rotor and requiring fewer parts than a comparable piston-operated engine: it is less efficient and less powerful than reciprocating engines.
Origin of wankel-engine
- After Felix Wankel (1902–1988), German engineer
From American Heritage Dictionary of the English Language, 5th Edition
- From the inventor, engineer Felix Wankel