Exhaust gas turbocharger for an internal combustion engine

Details Exhaust gas turbocharger for an internal combustion engine Exhaust gas turbocharger for an internal combustion engine

2006-10-17

2006-10-17

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

C415S164000, C415S185000, C415S204000

Reexamination Certificate

active

07121788

ABSTRACT:
An exhaust gas turbocharger for an internal combustion engine comprises a turbine in the exhaust line and a compressor, which is driven by the turbine and which is located inside the intake tract of the internal combustion engine. The turbine comprises a flow duct having a radial flow entrance cross-section, and a flow ring is provided that delimits the flow entrance cross-section. An adjustable vane is placed in the radial flow entrance cross-section for variably adjusting this flow entrance cross-section. The flow ring inside the housing of the exhaust gas turbine can be axially displaced between a contact position toward the vane and a position that frees a gap toward the vane.

REFERENCES:
patent: 4776168 (1988-10-01), Woollenweber
patent: 5454225 (1995-10-01), Sumser et al.
patent: 5758500 (1998-06-01), Sumser et al.
patent: 6220031 (2001-04-01), Daudel et al.
patent: 6739134 (2004-05-01), Fledersbacher et al.
patent: 7021057 (2006-04-01), Sumser et al.

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