Patent · US Active

Muffler

US7810609B2 · kind B2 · utility

21Cited by
12References
28Claims
0Family size

Assignees

Inventors

Key dates

Filing dateNov 9, 2007
Grant dateOct 12, 2010
Priority date
Expiry dateNov 9, 2027

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01N2310/02
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

An absorption muffler includes a metallic exhaust pipe including a plurality of perforations, a polymeric housing carried by the exhaust pipe and enclosing the plurality of perforations, and including axially opposed ends. Thermal insulation is carried radially between the exhaust pipe and the polymeric housing and axially between the axially opposed ends inclusive thereof. Acoustic insulation is carried between the thermal insulation and the polymeric housing.

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