Exhaust gas turbine drive system for engine accessories

Details Exhaust gas turbine drive system for engine accessories Exhaust gas turbine drive system for engine accessories

1993-05-06

1994-07-19

Koczo, Michael

Power plants

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

F02G 502

Patent

active

053297709

ABSTRACT:
An exhaust gas drive system for engine accessories includes a turbine positioned in the exhaust system of the engine of a vehicle for rotation of the turbine by the pressure of the exhaust gas. The turbine is connected through a reduction transmission to a hydraulic pump which is fluidically connected to respective hydraulic motors which drive the accessories. Communication of exhaust gas to the turbine is controlled by a waste gate. The flow of hydraulic fluid to the hydraulic motors is controlled by actuator valves which operate in an on/off manner or are adjustable for variable control of the accessories. A computer monitors engine speed and controls the position of the waste gate to thereby maintain a substantially constant speed of the turbine. Alternatively, a secondary output shaft of the reduction transmission has a drive pulley thereon for belt driving an accessory having a driven pulley on an input shaft thereof.

REFERENCES:
patent: 3490229 (1970-01-01), Klein
patent: 3885386 (1975-05-01), Bachmann
patent: 3979913 (1976-09-01), Yates
patent: 4011725 (1977-03-01), Bachmann
patent: 4391098 (1983-07-01), Kosuge
patent: 4474007 (1984-10-01), Kronogard et al.
patent: 4535592 (1985-08-01), Zinsmeyer
patent: 4665704 (1987-05-01), Hartwig
patent: 4738104 (1988-04-01), Hahmann et al.
patent: 5138840 (1992-08-01), Oguchi et al.

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