Patent · US Expired

Noise attenuator

US4109755A · kind A · utility

9Cited by
3References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 4, 1976
Grant dateAug 29, 1978
Priority date
Expiry dateOct 4, 1996

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01N2490/155
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

High temperature resisting cordage is wrapped around an exhaust gas muffler housing and covered with an outer wrap of metal to provide sound and thermal insulation for the muffler.

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