Definition of Wankel engine in English:

Wankel engine


  • A rotary internal combustion engine in which a curvilinear, triangular, eccentrically pivoted piston rotates in an elliptical chamber, forming three combustion spaces that vary in volume as it turns.

    • ‘And the latest incarnation of his Wankel engines seems to be taking off as a product in its own right.’
    • ‘The RX - 8 uses a twin-rotor Wankel engine and it comes in two states of tune, called standard and high power.’
    • ‘With the help of their Wankel engines, the company quickly rose in prominence.’
    • ‘It's not as powerful as the initial projections led us to believe, and the Wankel engine uses oil and petrol in equal measure.’
    • ‘An internal combustion engine will produce 14-15 hp per gallon of fuel per hour (Wankel engines are a little worse, but we'll go with this figure.)’
    • ‘Having already bought the licence to produce Wankel engines, the decision was taken to go rotary.’


1960s: named after Felix Wankel (1902–88), German engineer.


Wankel engine