Shift shock attenuation system for automotive power train includ

Details Shift shock attenuation system for automotive power train includ Shift shock attenuation system for automotive power train includ

1990-07-25

1992-05-05

Koczo, Michael

Internal-combustion engines

Charge forming device

Supercharger

74858, 74866, 123421, F02D 2300, F02P 500

Patent

active

051098261

ABSTRACT:
Supercharge pressure is vented from the induction manifold in response to a shift command for a shift which requires engine torque reduction for shift shock attenuation. The ignition is subsequently retarded during the inertia phase of the shift. The supercharge pressure reduces the amount of torque being produced by the engine prior a further reduction by ignition retardation. At the end of the inertia phase the ignition retard and pressure relief are stopped.

REFERENCES:
patent: 4355550 (1982-10-01), Will et al.
patent: 4403527 (1983-09-01), Mohl et al.
patent: 4680992 (1987-07-01), Hayasaki et al.
patent: 4691285 (1987-09-01), Takeda
patent: 4730521 (1988-03-01), Hayasaki et al.
patent: 4744031 (1988-05-01), Takeda et al.
patent: 4939956 (1990-07-01), Takizawa

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