Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Patent
1991-04-23
1992-09-01
Cross, E. Rollins
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
123 9017, F01L 134, F02D 1302
Patent
active
051430312
ABSTRACT:
An arrangement and process for displacing the normally static, fixed rotational shifting speed of an internal-combustion engine in which the timing periods are changed in the form of a valve crossover between the intake valve and the exhaust valve, as a function of the dynamics of the acceleration operation, by a dynamics-dependent rotational differential speed. As a result, the process minimizes the mismatching between the rotational speed of the internal-combustion engine and the possible torque which occurs as a result of a time interval required for influencing the timing periods.
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MTZ Motor Technischezeitschriftso (1989) p. 4.
Cross E. Rollins
Dr. Ing. h.c.F. Porsche AG
Lo Weilun
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