Patent · US Active

Composite air/hydrocarbon trap filter assembly

US7645329B2 · kind B2 · utility

22Cited by
10References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 2007
Grant dateJan 12, 2010
Priority date
Expiry dateMay 23, 2028

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2279/60
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A tamper resistant hydrocarbon trap and air filter assembly includes a cylindrical carbon trap filter extending from a sealed upstream end to a downstream end seated and sealed in a forwardly facing recess of an adaptor. A conventional cylindrical air filter surrounds the carbon trap filter with a sealed upstream end and a downstream end removable secured to an annular flange on the adaptor with the downstream end of the adaptor being arranged to be coupled to a vehicle's air intake.

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