Valve timing system for engine

Details Valve timing system for engine Valve timing system for engine

1997-12-29

1999-06-22

Moulis, Thomas N.

Internal-combustion engines

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

123 9015, F01L 134, F02B 3100

Patent

active

059132981

ABSTRACT:
An internal combustion engine having a variable valve timing mechanism, a throttle valve and a flow control valve for controlling the generation of turbulence in a combustion chamber. The control valve is operated so as to generate turbulence in the combustion chamber under low- and mid-range performance. When this turbulence is generated, the timing of opening of the intake valve is retarded. Also, the throttle valve is opened more fully when the control valve is closed so as to control the engine speed and maintain the desired engine speed.

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