Patent · US Active

Bi-cast turbine nozzles and methods for cooling slip joints therein

US9988932B2 · kind B2 · utility

2Cited by
21References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 6, 2013
Grant dateJun 5, 2018
Priority date
Expiry dateSep 27, 2035

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/60
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

Bi-cast turbine nozzles and methods for cooling the same are provided. The bi-cast turbine nozzle comprises an endwall. A vane is coupled to the endwall. The vane comprises an end portion and a leading edge and a trailing edge interconnected by a pressure sidewall and a suction sidewall. A slip joint is provided between the end portion and the endwall. A plurality of cooling holes is defined through the endwall. The plurality of cooling holes is disposed adjacent the periphery of the slip joint along the pressure sidewall of the vane and in proximity to the leading edge of the vane.

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