Patent · US Active

Component ventilation and pressurization in a turbomachine

US8186144B2 · kind B2 · utility

0Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 28, 2008
Grant dateMay 29, 2012
Priority date
Expiry dateFeb 24, 2031

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E20/30
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A dual-flow turbomachine (10), essentially comprising a fan (14), a compressor (20), a combustion chamber (21), a turbine (22) and an exhaust casing (24), which comprises an auxiliary air compressor (48) driven by a Stirling engine (53) mounted downstream of the combustion chamber (21) and having a hot chamber in thermal contact with the flow (B) of hot gases leaving the turbine and a cold chamber in thermal contact with a flow (A) of cold gases generated by the fan (14) and flowing around the turbine (22) and the exhaust casing (24).

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