B - Operations – Transporting – 60 – K
Patent
B - Operations, Transporting
60
K
296/38
B60K 11/00 (2006.01) B60K 11/08 (2006.01)
Patent
CA 1139335
-.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 cy- lindrical screen assembly so that air drawn through the radiator by the engine 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 posi- tive pressure in the annular area between the periphery of the fan blade assembly and the casing as the screen assem- bly rotates, in order to provide an air seal and to pre- vent any chaff and the like from being drawn into the radiator around this area.
392153
Ade & Company
Friesen Peter
LandOfFree
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