Patent · US Expired

Evaporative emission canister for an automotive vehicle

US5957114A · kind A · utility

41Cited by
12References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 17, 1998
Grant dateSep 28, 1999
Priority date
Expiry dateJul 17, 2018

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02M25/0854
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An evaporative emissions canister includes a housing containing a hydrocarbon adsorbing material, such as carbon. The canister may be configured to such that a portion acts as a buffer canister of such that the entire canister is used to adsorb hydrocarbon emissions. The canister housing is generally cylindrical with a reduced cross-sectional area portion and is configured in a manner to allow flow along a relatively straight line; with both features acting to increase purge efficiency and reduce restriction, respectively.

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