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:
Jun. 07, 2011
Filed:
Aug. 24, 2007
Juerg Spuler, Neukirch, CH;
Juerg Spuler, Neukirch, CH;
Iveco Motorenforschung AG, Arbon, CH;
Abstract
Variable geometry turbine, in particular a gas turbine, comprising a housing (), a turbine rotor (), a fluid inlet scroll () that surrounds the turbine rotor, a vaned nozzle interposed between the inlet scroll and the turbine rotor conceived to accelerate the flow of fluid, the nozzle comprising an axially adjustable ring () conceived to vary the nozzle gap () and having a wall () delimiting the nozzle gap, the wall having balance holes (') connecting the nozzle gap with a chamber () delimited by the housing and the ring, characterised in that the edges (), formed by the holes with the surface () of the wall facing the nozzle gap, are rounded in the portion (′) located downstream the holes with respect to the fluid flow. Turbocharger and supercharged engine comprising the engine.