Patent · US Active

Methods and system for controlling surge in a two-stage turbocharger

US9822694B2 · kind B2 · utility

6Cited by
4References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 9, 2012
Grant dateNov 21, 2017
Priority date
Expiry dateDec 13, 2034

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/40
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

Various methods and systems are provided for controlling air flow in a two-stage turbocharger. In one example, an engine method comprises adjusting one or more exhaust gas recirculation valves to maintain a first turbocharger within a first air flow range, and adjusting a turbocharger bypass valve to maintain a second turbocharger within a second air flow range.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.