Internal-combustion engines – Cooling – Air-cooled
Patent
1978-04-05
1980-05-27
Myhre, Charles J.
Internal-combustion engines
Cooling
Air-cooled
123 4161, 123 4162, 123 4165, 123 417, 123 4174, F02F 134
Patent
active
042044863
ABSTRACT:
A V-shaped, forced air-cooled engine includes a radial flow cooling fan mounted in front of the crankcase, within a housing containing air passageways leading to the cylinders on the opposite sides of the engine. The air passageways are constructed so as to assure the same amount of cooling air intake for each cylinder, the threshold areas of each passageway being provided with rounded surfaces shaped so as to assure a minimum of hissing sound and other noise caused by the moving, intake airstream.
REFERENCES:
patent: 1624453 (1927-04-01), Wilkinson
patent: 2082869 (1937-06-01), Brown
patent: 2267423 (1941-12-01), Reimspiess
patent: 2585083 (1952-02-01), Bouvy
patent: 3236215 (1966-02-01), Eck et al.
patent: 4134370 (1979-01-01), Iwahashi et al.
Aoyama Tokuichi
Nakagawa Itsusuke
Kubota Ltd.
Myhre Charles J.
Yates Jeffrey L.
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