The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 18, 2008

Filed:

Aug. 24, 2005
Applicants:

Rudolf Wimmer, Haidershofen, AT;

Leopold Eistershofen, Steinbach/Steyr, AT;

Inventors:

Rudolf Wimmer, Haidershofen, AT;

Leopold Eistershofen, Steinbach/Steyr, AT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 33/44 (2006.01); F02M 25/07 (2006.01); F02M 25/06 (2006.01); F01D 1/02 (2006.01); F01D 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An exhaust turbocharger with a housing, a compressor arranged in a compressor space and an exhaust turbine is arranged in a turbine space, whereby an exhaust line from the turbine outlet is connected to a low-pressure side of the compressor space via an exhaust recirculation line which extends through the housing and is designed largely in a spiral form in the housing. The recirculated exhaust gas flow arrangements improve the dynamics by providing higher turbocharger rotational speeds in the partial load range due to the production of a pre-twist by the exhaust recirculation stream.


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