Charging control apparatus for an internal combustion engine wit

Details Charging control apparatus for an internal combustion engine wit Charging control apparatus for an internal combustion engine wit

1994-01-06

1994-10-04

Koczo, Michael

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

F02B 3712

Patent

active

053514866

ABSTRACT:
A charging control apparatus including means for shortening a running-up period of the second turbocharger with an exhaust bypass valve when an instant engine speed is low, so that torque shock during the transition from one-turbocharger-operation to two-turbocharger-operation is decreased. During rapid acceleration at high engine speeds, an exhaust switching valve is opened at once. Further, the reference engine speed and the reference intake air quantity for switching to two-turbocharger-operation are varied in accordance with the gear shift position, so that an optimum switching to two-turbocharger-operation is obtained.

REFERENCES:
patent: 3038297 (1962-06-01), Kauffmann
patent: 4474008 (1984-10-01), Sakurai
patent: 4781027 (1988-11-01), Richter
patent: 4793140 (1988-12-01), Esch
patent: 4982567 (1991-01-01), Hashimoto
patent: 5003781 (1991-04-01), Shibata
patent: 5005359 (1991-04-01), Tashima
patent: 5035114 (1991-07-01), Shibata
patent: 5036663 (1991-08-01), Akagi
patent: 5050452 (1991-09-01), Morioka
patent: 5081842 (1992-01-01), Sugiyama
patent: 5154057 (1992-10-01), Yoshioka et al.

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