COOLING SYSTEM Russian patent published in 1994 - IPC

FIELD: liquid cooling systems in internal combustion engines with axial-flow fan having no casing. SUBSTANCE: system has radiator and fan impeller provided with hub and blades and located behind the raditor in way of air flow in the plane parallel to the radiator front. On side of radiator, the hub is made in form of coaxial flow-forming sleeve whose open end is located near the radiator; the interior of the sleeve is brought in communication with inlet of cebtrifugal passages located in the blades; outlet of these passages is located on the peripheral ends of blades. EFFECT: enhanced efficiency. 1 dwg