Internal-combustion engines – Multiple cylinder – Cylinders in-line
Patent
1984-09-19
1985-10-29
Feinberg, Craig R.
Internal-combustion engines
Multiple cylinder
Cylinders in-line
123 65P, 123 73PP, F02B 3304
Patent
active
045495076
ABSTRACT:
Horsepower and fuel economy improvements, and a reduction in horsepower variation, are realized in a two cycle loop scavenged internal combustion engine by enhancing combustion chamber (10) intake directional flow (28) by directing flow along the outermost portions (54) of the transfer passages (12), and blocking flow along shorter paths (56) adjacent the cylinder (6) which otherwise short-circuit the outermost flow and adversely affect directional flow into the combustion chamber from the intake ports (16), to substantially eliminate intake flow directed toward the exhaust port (26) from the intake port otherwise caused by the short-circuiting. The intake port flow in the combustion chamber is afforded in a direction determined by the non-short-circuited path in the transfer passage, and the direction-altering flow in the combustion chamber from the intake port otherwise due to the short-circuit path is substantially eliminated.
REFERENCES:
patent: 2190011 (1940-02-01), Boxan
patent: 2729204 (1956-01-01), Meyer
patent: 3494335 (1970-02-01), Meier
patent: 4066050 (1978-01-01), Ford-Dunn
patent: 4306522 (1981-12-01), Fotsch
patent: 4328770 (1982-05-01), Hale
patent: 4474145 (1984-10-01), Boyesen
Brunswick Corp.
Feinberg Craig R.
Okonsky David A.
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