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.
Patent No.:
Date of Patent:
Apr. 27, 2004
Filed:
May. 24, 2002
Applicant:
Inventor:
Ernst Lutz, Wolfhalden, CH;
Assignee:
Iveco Motorenforschung AG, Schlossgasse, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 1/716 ;
U.S. Cl.
CPC ...
F01D 1/716 ;
Abstract
A variable geometry turbine, particularly for a supercharger turbocompressor of an internal combustion engine, comprising an outer housing forming a spiral inlet channel for an operating fluid, a rotor supported in a rotary manner in the housing, and an annular vaned nozzle of variable geometry interposed radially between the channel and the rotor; the nozzle comprises a pair of vaned rings facing one another and provided with respective pluralities of vanes tapered substantially as wedges and adapted to penetrate one another, one of which can move axially with respect to the other in order to define a variable throat section between these vaned rings.