Engine braking system

Details Engine braking system Engine braking system

1988-05-20

1989-11-28

Koczo, Michael

Power plants

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

Fluid motor means is a turbine with output means...

417364, F02G 500

Patent

active

048829064

ABSTRACT:
An engine braking system, includes an axial flow compressor connected to an output shaft of an engine so as to be driven by said output shaft and to discharge air or exhaust gas supplied thereto. The compression and discharging work performed by the axial flow compessor serves as a braking effort during engine braking. A second embodiment of the engine braking system includes a driving force transmission connection the rotating output shaft of the engine to a power turbine disposed in an exhaust passage of the engine during engine braking so as to transmit the rotative power of the output shaft to the power turbine. This system also includes a throttling mechanism for adjusting a nozzle throat area of the power turbine, which mechanism is provided with movable wing-type vanes circumferentially disposed relative to the power turbine. Finally, a controller is provided for controlling the system in accordance with various running conditions of the engine and vehicle.

REFERENCES:
patent: 2375852 (1945-05-01), Kilchenmann
patent: 2518660 (1950-08-01), Browne
patent: 4535592 (1985-08-01), Zinsmeyer
patent: 4718235 (1988-01-01), Kawamura
patent: 4748812 (1988-06-01), Okada et al.
patent: 4800726 (1989-01-01), Okada et al.

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