Engine cylinder valve control system

Details Engine cylinder valve control system Engine cylinder valve control system

1995-12-21

1997-10-21

Marmor, Charles A.

Interrelated power delivery controls, including engine control

Transmission control

Engine controlled by transmission

477110, B60K 4110

Patent

active

056790945

ABSTRACT:
A cylinder valve control stem for a vehicle drivetrain including a transmission and an engine having a variable valve control mechanism which can vary valve lift diagram in response to a control signal. A controller develops the control signal in response to varying operating condition of the engine. The controller derives, upon initiation of a shift in the transmission, engine speed to be established after completion of the shift and corrects the control signal such that the variable valve control mechanism provides one of various valve lift diagrams whose predetermined value in engine speed is not exceeded by the derived engine speed.

REFERENCES:
patent: 4104991 (1978-08-01), Abdoo
patent: 5056378 (1991-10-01), Aimone et al.
patent: 5184577 (1993-02-01), Kato et al.
patent: 5333579 (1994-08-01), Hara et al.
patent: 5496229 (1996-03-01), Miyamoto
"Nissan Full Range Electronically Controlled Automatic Transmission of the RE4R01A Type," published by Nissan Motor Co., Mar. 1987.

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