Patent · US Expired

Exhaust device for working machine

US4872308A · kind A · utility

13Cited by
4References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 8, 1988
Grant dateOct 10, 1989
Priority date
Expiry dateJun 8, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/12
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

An exhaust device for a working machine in which a mixing tubular member is disposed opposite to an outlet opening of the muffler through a space interposed between them, and an air-flow passage is provided to introduce a portion of pressurized air from a blower into the inside of an air guide wall on the outer periphery of the outlet opening.

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