Patent · US Expired

Screened carbon trap protection

US6758885B2 · kind B2 · utility

88Cited by
24References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 2002
Grant dateJul 6, 2004
Priority date
Expiry dateNov 27, 2022

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02M35/10281
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The present invention relates to a hydrocarbon trap positioned in the air intake system of a vehicle, upstream from the engine and wholly in the airflow. The hydrocarbon trap comprises a holder and a material for adsorbing the hydrocarbons, inserted inside the holder. The holder comprises a screen that is added at the end facing the engine. The screen is held in place with the help of a locking mechanism. The locking mechanism comprises a locking ramp on the holder and corresponding locking tab on a clamping ring surrounding the holder.

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