Self-cleaning screen assembly for radiator air inlets

Details Self-cleaning screen assembly for radiator air inlets Self-cleaning screen assembly for radiator air inlets

B - Operations, Transporting

60

K

296/38

B60K 11/08 (2006.01)

Patent

CA 1077089

-20- "SELF-CLEANING SCREEN ASSEMBLY FOR RADIATOR AIR INLETS" ABSTRACT OF THE DISCLOSURE A casing is secured to the front of the radiator air intake of a tractor or the like and a cylindrical screen assembly is journalled for free rotation to the casing. A fan blade assembly is secured to the inner end of the cylindrical screen assembly so that air drawn through the radiator by the en- gine cooling fan, passes through the fan assembly of the screen assembly and rotates the screen assembly. A blanking plate is supported within the screen assembly which blanks off part of the screen as it passes thereby, so that no air passes into the screen assembly in this area. This releases chaff and the like normally held on the surface of the screen by suction. The fan blade assembly is provided with small additional blades on the periphery thereof, positioned to generate a slight positive pres- sure in the annular area between the periphery of the fan blade assembly and the casing as the screen assembly rotates, in order to provide an air seal and to prevent any chaff and the like from being drawn into the radiator around this area.

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