Patent · US Expired

Diffuser with convoluted vortex generator

US4971768A · kind A · utility

39Cited by
6References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 1987
Grant dateNov 20, 1990
Priority date
Expiry dateDec 15, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S55/30
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A thin, convoluted wall member disposed upstream of the inlet of a diffuser generates large-scale vortices having axes in the downstream direction. The vortices enhance mixing within the diffuser and can also energize the boundary layer, thereby improving diffuser performance and delaying the onset of stall. Greater diffusion angles without stall are possible. The member itself creates low losses.

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