Dual induction system for internal combustion engine

Details Dual induction system for internal combustion engine Dual induction system for internal combustion engine

1992-12-21

1993-12-07

Wolfe, Willis R.

Internal-combustion engines

Means to whirl fluid before, upon, or after entry into...

123 52M, 12318814, F02M 3510

Patent

active

052675432

ABSTRACT:
A multicylinder reciprocating internal combustion engine with a dual induction system having at least one exhaust poppet valve and a single intake poppet valve for each cylinder, with the intake valve being located so as to control the flow of charge into the cylinder. Each intake port has a vertical wall dividing the port into primary and secondary passages, with the primary passages being oriented so as to cause rotational flow about the outermost portion of the cylinder, and with the secondary passages being oriented so as to cause flow directed about a radially inward portion of the cylinder. Low-speed and high-speed intake runners extend from an intake plenum to the primary and secondary intake port passages.

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