Patent · US Expired

Closure and vent system for capless filler neck

US6923224B1 · kind B1 · utility

30Cited by
34References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 21, 2004
Grant dateAug 2, 2005
Priority date
Expiry dateAug 5, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S220/33
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A filler neck closure assembly includes a housing formed to include a vent chamber arranged to receive a fuel-dispensing pump nozzle therein during fuel tank refueling. A flow control valve assembly is provided to regulate flow of ambient air and/or fuel vapor through the vent chamber.

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