Patent · US Expired

Diffuser for fluid impelling device

US4315715A · kind A · utility

12Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 8, 1979
Grant dateFeb 16, 1982
Priority date
Expiry dateJun 8, 1999

Classification

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

Abstract

A diffuser for a fluid impelling device such as a radial or axial turbine, comprising outer and inner casing members radially spaced apart from each other and thereby forming therebetween a diffuser chamber having annular cross-section which gradually increases in area toward the gas outlet end of the diffuser, wherein a flow throttling element is provided or the inner casing member is shaped to have a flow throttling portion so that the diffuser chamber is throttled at the gas outlet end for precluding separation of gas flow from an inner surface of the outer casing member.

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