Patent · US Expired

Compact muffler apparatus and associated methods

US4645032A · kind A · utility

57Cited by
19References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 5, 1985
Grant dateFeb 24, 1987
Priority date
Expiry dateSep 5, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG10K11/172
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An axially asymmetric exhaust gas muffler has a perforated central exhaust duct that is circumscribed by a duality of reactive sound attenuating chambers in each of which is positioned a resonant sound attenuator.

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