Crossword clues for the word: WANKEL The word WANKEL has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for WANKEL Showing 1 to 4 of 4 results Clue(s) Felix —, German engineer; inventor of a four-stroke internal-combustion engine Pistonless engine Rotary engine Rotary engine name