Patent · US Expired

Fuel tank with vapor trap connection to filler pipe

US5040575A · kind A · utility

10Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 1990
Grant dateAug 20, 1991
Priority date
Expiry dateJan 23, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86332
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A fuel tank having a trapping device arranged in its filler pipe for trapping fuel vapors during refuelling which has an internal closure flap which not only closes off an end of the filler pipe but also closes off connection to an activated carbon filter. Insertion of a fuel nozzle opens the flap valve.

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