Exhaust guide member of nozzle vane-type turbocharger
US8206091B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2008 |
| Grant date | Jun 26, 2012 |
| Priority date | — |
| Expiry date | Nov 13, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2220/40
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In a turbocharger equipped with a nozzle vane for changing the speed of exhaust gas running through a turbine in accordance with the speed of engine revolution, the member to constitute the nozzle vane and to constitute an exhaust guide for guiding exhaust gas to the turbine is characterized in that the exhaust guide member of a nozzle vane-type turbocharge is formed of an austenite stainless steel containing, in terms of % by mass, at most 0.08% of C, from 2.0 to 4.0% of Si, at most 2.0% of Mn, from 8.0 to 16.0% of Ni, from 18.0 to 20.0% of Cr and at most 0.04% of N and containing these ingredients in such a manner that they satisfy a DE value of the specified formula to be from 5.0 to 12.0, with a balance of Fe and inevitable impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.