Patent · US Expired

Fuel tank for motor vehicles

US5934306A · kind A · utility

3Cited by
6References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 18, 1997
Grant dateAug 10, 1999
Priority date
Expiry dateNov 18, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/3099
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

In a fuel tank for motor vehicles including a tank vent with a venting valve, which automatically closes when the fuel in the tank reaches a predetermined level and when the vehicle is in an upside down position, the venting valve includes a vent closing member and a float structure engaging to the vent closing member and having a buoyancy, which is variable depending on the amount of fuel contained in the tank.

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