Air-liquid cooled engine

Details Air-liquid cooled engine Air-liquid cooled engine

1989-12-29

1992-10-06

Kamen, Noah P.

Internal-combustion engines

Cooling

Air-cooled

123 417, F01P 904

Patent

active

051522560

ABSTRACT:
Several embodiments of air-liquid cooled internal combustion engines for powering vehicles such as motor scooters. In each embodiment, the engine is provided with a finned cylinder for air cooling and a cylinder head having a liquid cooling jacket for water cooling. A radiator is provided for exchanging heat from the cylinder head cooling jacket and the atmosphere and a single fan circulates cooling air across both the radiator and the cylinder. In all embodiments, the flow across the fan, radiator and cylinder is in a series flow fashion. In many of the embodiments, the components are axially aligned. The fan is driven by the crankshaft either directly, through a gear train or through a flexible transmitter and in one case this flexible transmitter also drives the camshaft. A water pump is driven off of the camshaft for the liquid cooling system.

REFERENCES:
patent: 1075351 (1913-10-01), Hockney
patent: 1429159 (1922-09-01), Nelson
patent: 1486123 (1924-03-01), Boley et al.
patent: 4662320 (1987-05-01), Moriya

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