Multi-valve internal combustion engine

Details Multi-valve internal combustion engine Multi-valve internal combustion engine

1991-03-27

1992-09-01

Kamen, Noah P.

Internal-combustion engines

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

Having multiple oxidant inlet means

123432, F02B 3100

Patent

active

051430363

ABSTRACT:
A multi-valve internal combustion engine has a plurality of intake valves, and the same number of intake ports as there are intake valves, for each engine cylinder. One of the intake ports forms a helical passage, opening into a center of a combustion chamber of the engine at the location of a spark plug, which is disposed adjacent an intake valve located in the center intake port. In addition to a fuel injector disposed in one of the intake ports, a secondary fuel injector, energized so as to inject fuel when the engine operates at lower loads, is preferably disposed adjacent the intake valve located in the one intake port.

REFERENCES:
patent: 4548175 (1985-10-01), Kawai et al.
patent: 4570590 (1986-02-01), Kawai et al.

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