Turbine housing of an exhaust gas turbocharger with...

Details Turbine housing of an exhaust gas turbocharger with... Turbine housing of an exhaust gas turbocharger with...

2006-03-07

2008-10-07

Look, Edward (Department: 3745)

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

C415S191000, C415S160000

Reexamination Certificate

active

07431560

ABSTRACT:
A turbine housing of an exhaust gas turbocharger having an adjustable turbine geometry is provided having a carrier ring on which are mounted adjustable guide vanes for regulating the boost pressure and having a cover ring for the guide vanes, whereby the carrier ring and cover ring are spaced a distance apart by means of spacer elements to form a guide vane gap. A fastening screw passes through each spacer element, and screwed into the carrier ring and/or cover ring. Receiving openings for the head of the fastening screw are provided in the carrier ring or cover ring. At least one securing recess is provided in the carrier ring and/or cover ring on the outside circumference of the receiving opening, said securing recess being provided to accommodate material of the screw head to establish a form-fitting connection.

REFERENCES:
patent: 6055288 (2000-04-01), Schwirian
patent: 6164886 (2000-12-01), Matarazzo et al.
patent: 7189058 (2007-03-01), Metz et al.
patent: 7322791 (2008-01-01), Stilgenbauer
patent: 103 12 324 (2004-06-01), None
patent: 0 480 911 (1992-04-01), None
patent: 1 236 866 (2002-09-01), None
patent: 1 394 364 (2004-03-01), None
patent: 1 528 225 (2005-05-01), None
patent: WO 2004/027218 (2004-04-01), None
European Search Report dated Apr. 19, 2006 (Seven (7) pages); including English translation of partinent portion (One (1) page).

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