Sunday, January 29, 2023

OHV, overhead valve, or Valve in Head, engines are the evolution of the invention of engineer Walter Marr, chief engineer of Buick.

Working for Buick, engineer Walter Marr's valve-in-head (overhead valve) engine, patent number 771,095, was awarded to Eugene Richard (who replaced Marr at Buick for a time) in the name of Buick in 1904

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