Internal combustion engine with load-responsive valve control fo

Details Internal combustion engine with load-responsive valve control fo Internal combustion engine with load-responsive valve control fo

1990-03-27

1991-06-04

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 65R, 123316, F01L 134

Patent

active

050204874

ABSTRACT:
In the embodiments described in the specification, a mixture-compressing internal combustion engine has intake and exhaust valve opening and closing times arranged to permit scavenging of the combustion chamber with fresh gas and a valve control is provided to advance the intake valve closing time as a function of engine load in order to increase the compression stroke under partial load conditions. The intake valve opening time and the exhaust valve opening and closing time may also be changed in accordance with the load.

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