Patent · US Expired

Acoustic muffler with one-piece housing

US5216809A · kind A · utility

17Cited by
14References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 2, 1990
Grant dateJun 8, 1993
Priority date
Expiry dateJul 2, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49909
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A muffler of the type used to attenuate exhaust gas noise in exhaust systems of automobiles, trucks, or the like, particularly characterized by a gas flow conduit which is axially slotted and laterally flattened to form a closure and a pair of openings axially inward of the closure, wherein the end walls of the shell are pressed into engagement with the conduit ends to close the conduit and support the conduit.

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