Valve timing controlling device of internal combustion engine

Details Valve timing controlling device of internal combustion engine Valve timing controlling device of internal combustion engine

1998-04-23

1999-09-28

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9017, F02D 1302, F01L 134

Patent

active

059570954

ABSTRACT:
A valve timing controlling device of internal combustion engine having a means for controlling an actual valve timing which controls the actual valve timing so as to converge at a target valve timing, a means for controlling integration which corrects a controlled variable, the means for controlling actual valve timing, and means for terminating integration which terminates integration performed by the means for controlling integration when the actual valve timing is heading to the target valve timing, by which the actual valve timing can stably be converged at the target valve timing and a steady-state deviation between the actual valve timing and the target valve timing can be eliminated because the means for controlling integration performs integration when the steady-state deviation exists between the actual valve timing and the target valve timing, namely when the actual valve timing does not converge at the target valve timing.

REFERENCES:
patent: 5363817 (1994-11-01), Ikeda et al.
patent: 5522352 (1996-06-01), Adachi et al.
patent: 5562071 (1996-10-01), Urushihata et al.
patent: 5611304 (1997-03-01), Shinojima
patent: 5628286 (1997-05-01), Kato et al.
patent: 5680834 (1997-10-01), Szpak et al.

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