Exhaust-gas return system for an internal-combustion machine...

Details Exhaust-gas return system for an internal-combustion machine... Exhaust-gas return system for an internal-combustion machine...

2005-12-28

2008-03-18

Denion, Thomas (Department: 3748)

Power plants

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

With supercharging means for engine

C060S599000, C060S600000, C060S602000

Reexamination Certificate

active

07343743

ABSTRACT:
An exhaust gas return system for an internal-combustion machine which comprises a low-pressure supply line extending from an inlet From the compressor. a high-pressure supply line extends to the internal-combustion machine. From the internal-combustion machine a high-pressure exhaust gas line extends to a turbine. From the turbine a low-pressure exhaust gas line extends to an outlet. The low-pressure exhaust gas line and the low-pressure supply line have connected therewith a low-pressure return line for returning exhaust gas. The high-pressure exhaust gas line has connected therewith a bypass line for utilizing the heat of the exhaust gas produced in the internal-combustion machine for heating the exhaust gas to be returned of the low-pressure return line before the exhaust gas is supplied to the turbine (24), if desired. Thus the cold start phase of the internal-combustion machine can be reduced.

REFERENCES:
patent: 6647970 (2003-11-01), Hankins
patent: 6675579 (2004-01-01), Yang
patent: 7210468 (2007-05-01), Saele
patent: 2007/0039321 (2007-02-01), Sheidler et al.
patent: 0 489 263 (1999-10-01), None

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