(19)
(11) EP 1 922 489 A1

(12)

(43) Date of publication:
21.05.2008 Bulletin 2008/21

(21) Application number: 06813929.4

(22) Date of filing: 29.08.2006
(51) International Patent Classification (IPC): 
F04D 29/08(2006.01)
 F01D 25/18(2006.01)
(86) International application number:
PCT/US2006/033783
(87) International publication number:
WO 2007/032906 (22.03.2007 Gazette 2007/12)
(84) Designated Contracting States:
DE FR GB IT NL

(30) Priority: 09.09.2005 US 716016 P
03.10.2005 US 242344

(71) Applicant: Borgwarner, Inc.
Auburn Hills, MI 48326 (US)

(72) Inventors:
  • FRASER, Brock
    Asheville, NC 28805 (US)
  • REINKE, Adam
    Arden, NC 28704 (US)
  • NARRON, Neal
    Fletcher, NC 28732 (US)

(74) Representative: Schmitz, Hans-Werner 
Hoefer & Partner Patentanwälte Pilgersheimer Strasse 20
81543 München
81543 München (DE)

   


(54) TURBOCHARGER WITH BEARING HOUSING HAVING AN AERODYNAMICALLY ENHANCED COMPRESSOR WHEEL POCKET GEOMETRY