refractory air recuperator
1recuperator — /rəˈkupəreɪtə/ (say ruh koohpuhraytuh) noun 1. someone or something that recuperates. 2. a system of thin walled refractory ducts for exchange of heat between gases, especially for heating the incoming air required by a furnace with the exhaust… …
2Four-stroke engine — Four stroke cycle used in gasoline/petrol engines. The right blue side is the intake and the left yellow side is the exhaust. The cylinder wall is a thin sleeve surrounded by cooling liquid. A video montage of the Otto engines running at the… …
