Patent · US Expired

Acoustic dampers

US7322195B2 · kind B2 · utility

8Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 19, 2005
Grant dateJan 29, 2008
Priority date
Expiry dateMay 2, 2026

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05D2270/17
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An acoustic resonator for use in an engine is provided. The acoustic resonator includes a cavity having a volume, an aperture, and a passage connecting the aperture and the cavity. The aperture has a profiled surface for delaying separation of fluid entering the passage and for reducing losses caused by fluid separation.

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