Patent · US Expired

Filter assembly for an exhaust stack

US4637300A · kind A · utility

5Cited by
11References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 4, 1985
Grant dateJan 20, 1987
Priority date
Expiry dateNov 4, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2277/20
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A filter assembly for an exhaust stack having a housing defining an interior chamber and an inlet and an outlet which are connected in series with the exhaust stack. A mounting frame is secured diagonally within the interior of the housing so that the mounting frame is interposed between the inlet and outlet of the housing. A plurality of filter elements are detachably secured to the mounting frame so that influent into the housing inlet passes through the filter elements prior to exhaust out through the housing outlet and to the atmosphere. The filter assembly is easily retrofitted to existing systems.

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