Patent · US Expired

Device for the reduction of secondary losses in a bladed flow duct

US4420288A · kind A · utility

41Cited by
3References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 18, 1981
Grant dateDec 13, 1983
Priority date
Expiry dateJun 18, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S415/914
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A device for the reduction of secondary losses in the bladed flow duct of a turbomachine, wherein the device is arranged in the region of at least one of the two duct walls and, presently, intermediate two circumferentially adjacent blades, and is of the type in that the duct wall has a boundary layer step so that the face of the boundary layer step faces towards the pressure side of the blade.

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