Boost pressure control method for a supercharged internal combus

Details Boost pressure control method for a supercharged internal combus Boost pressure control method for a supercharged internal combus

1987-11-18

1989-07-18

Koczo, Michael

Power plants

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

With supercharging means for engine

123564, F02B 3712

Patent

active

048480860

ABSTRACT:
The boost pressure of a blower such as a turbocharger or a supercharger which is driven by the exhaust gas or the power output from an engine is controlled under closed-loop control when the boost pressure is in a steady state, and under open-loop control when the boost pressure is in a transient state. When the boost pressure is in the transient state, the open-loop control which may be map control is carried out for relatively good accuracy and high stability. When the boost pressure is in the steady state, the closed-loop control, i.e., highly accurate feedback control, is effected. Therefore, an improved response and stability can be achieved in boost pressure control.

REFERENCES:
patent: 3068638 (1962-12-01), Birmann
patent: 4291535 (1981-09-01), Goloff
patent: 4428199 (1984-01-01), Moore et al.
patent: 4459809 (1984-07-01), Tadokoro et al.
patent: 4467607 (1984-08-01), Rydquist et al.
patent: 4471742 (1984-09-01), Kishi
patent: 4509331 (1985-04-01), Hirabayashi
patent: 4671068 (1987-06-01), Moody et al.
patent: 4697421 (1987-10-01), Otobe et al.
patent: 4741163 (1988-05-01), Hidaka et al.

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