Patent · US Expired

Exhaust silencer for an internal combustion engine and the method of operation

US6349541B1 · kind B1 · utility

44Cited by
7References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 19, 1999
Grant dateFeb 26, 2002
Priority date
Expiry dateNov 19, 2019

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02B75/021
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

An engine exhaust silencer arrangement with a variable geometry, which is controlled by control elements in dependence of engine data. The increased exhaust noise occurring during engine operation under differing engine stroke modes is suppressed by the different geometry of the silencer arrangement.

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