Fan/radiator combination for snowmobile with liquid cooled engin

Details Fan/radiator combination for snowmobile with liquid cooled engin Fan/radiator combination for snowmobile with liquid cooled engin

1990-12-18

1992-07-14

Kashnikow, Andres

Motor vehicles

Power

With means to guide and/or control air for power plant cooling

60321, 180 684, B62D 2700

Patent

active

051294737

ABSTRACT:
An improved liquid cooled heat management system for a snowmobile vehicle is described. To maintain the under-the-hood air temperature at optimum operating values while providing the necessary cooling for the vehicle's internal combustion engine, an air inlet opening is formed in the hood or other body panel of the snowmobile defining the engine compartment and disposed within this engine compartment is an appropriately sized heat exchanger through which the liquid coolant is made to flow when the engine is running. The air inlet opening in the hood or body panel leads into a duct or shroud designed to enclose the heat exchanger or radiator on the fan suction side and a engine-driven fan also disposed within the duct draws outside air through the heat exchanger at a rate that is directly related to engine speed. Because of the manner in which the duct work is structured, warmer, under-the-hood air is effectively isolated from the stream of cold outside air drawn through the heat exchanger. Furthermore, the engine's exhaust manifold is also liquid-cooled which further enhances the overall efficiency of the system.

REFERENCES:
patent: 3357413 (1967-12-01), Quinton
patent: 3901335 (1975-08-01), Johnson
patent: 4008777 (1977-02-01), Juto et al.
patent: 4249626 (1981-02-01), Fields et al.
patent: 4337733 (1982-07-01), Hirata et al.
patent: 4340123 (1982-07-01), Fujikawa
patent: 4604974 (1986-08-01), Watanabe
patent: 4711088 (1987-12-01), Berchem et al.

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