4-cycle 12-cylinder engine

Details 4-cycle 12-cylinder engine 4-cycle 12-cylinder engine

1990-06-04

1991-10-15

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

123 55V, F02M 3510

Patent

active

050564722

ABSTRACT:
A four cycle, 12-cylinder engine includes four cylinder groups each having three cylinders located adjacent to each other. The cylinders in each cylinder group have intake strokes which are apart one from another by 240.degree. in terms of angle of rotation of the engine crankshaft. The cylinders in each cylinder group are connected through respective branch intake passages with a common intake passage. Means is provided for separating the common intake passage of one cylinder group from the common intake passage of another cylinder group.

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patent: 4829941 (1989-05-01), Hitomi et al.
patent: 4938177 (1990-07-01), Hasegawa

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