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Abstract

A fan assembly configured for use with a radiator assembly in a cooling system. The fan assembly comprises a plurality of fan blades mounted about a central hub, and an annular ring member circumferentially coupled to the radially outboard end of each fan blade, coaxial with the central hub. The annular ring has an axial dimension equal to or exceeding the axial depth of each fan blade, whereby a radially outward flow of air from a high pressure region on one side of the fan blades is blocked from exiting the fan assembly radially during operation, and from flowing to a low pressure region on the opposite side of the fan blades. Axial air flow, driven by the rotational movement and configuration of the fan blades, is unimpeded by the annular ring member.

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First Claim