Internal-combustion engines – Multiple cylinder
Patent
1990-08-14
1991-11-12
Okonsky, David A.
Internal-combustion engines
Multiple cylinder
F02M 3510
Patent
active
050638858
ABSTRACT:
An improved high efficiency compact induction system for a V-type internal combustion engine that includes a plenum chamber that extends through the valley of the engine and a plurality of intake pipes that extend from the intake ports of the cylinders of one of the banks, across the valley and which enters the plenum chamber adjacent the intake ports of the other cylinder. A plurality of second intake pipes extend from the intake ports of the other cylinder, across the valley and enter the plenum chamber on the side adjacent the intake ports of the one cylinder bank. The points of entry of the intake pipes with the plenum chamber lie under the other intake pipes so as to provide adequate length for the intake pipes and maintain a relatively short overall length for the induction system.
REFERENCES:
patent: 2845911 (1958-08-01), Gill
patent: 2845912 (1958-08-01), Bird
patent: 2974654 (1961-03-01), Bouvy
patent: 4565163 (1986-01-01), Ishimi et al.
patent: 4662320 (1987-05-01), Moriya
patent: 4741295 (1988-05-01), Hosoya et al.
patent: 4889083 (1989-12-01), Honma et al.
patent: 4970994 (1990-11-01), Sawada et al.
Beutler Ernest A.
Okonsky David A.
Yamaha Hatsudoki Kabushiki Kaisha
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