Engine pumping loss control apparatus for locking intake or exha

Details Engine pumping loss control apparatus for locking intake or exha Engine pumping loss control apparatus for locking intake or exha

1997-06-03

1999-05-04

Ta, Khol Q.

Interrelated power delivery controls, including engine control

Plural engines

Electric engine

477203, 477 21, 123323, B60L 1100

Patent

active

058998284

ABSTRACT:
An engine control apparatus for a hybrid vehicle reduces a shock and improves the fuel consumption rate when an engine is under a fuel cut control at the time of reducing a speed through an operation of a brake pedal. In case that all conditions are fulfilled, that is, the fuel cut control, the speed reduction of not less than a predetermined level, and the non-full charge state of a battery, the program locks an intake valve and an exhaust valve in full open position and carries out a regenerative control with a generator 14. This procedure enables a cylinder to be connected with an intake air conduit and an exhaust conduit via the passages of the intake valve and the exhaust valve, thereby preventing compression of a gas in the cylinder and effectively reducing friction.

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patent: 5680641 (1997-10-01), Hu
patent: 5725064 (1998-03-01), Ibaraki et al.
patent: 5730675 (1998-03-01), Yamaguchi
patent: 5746175 (1998-05-01), Hu

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