Patent · US Expired

Device for purifying fuel vapors generated in vehicle fuel tank

US4860715A · kind A · utility

9Cited by
6References
11Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMay 27, 1988
Grant dateAug 29, 1989
Priority date
Expiry dateMay 27, 2008

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60K15/04
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A device for purifying fuel vapors generated in vehicle fuel tank including a valve which normally closes a through hole provided in an upper wall of the tank and communicating with a canister through a conduit, a flap provided for normally closing a filler pipe mounted for refuelling the tank and adapted to be opened by a fuel dispensing nozzle inserted in the filler pipe, and a member for connecting the flap with the valve so as to transmit the opening movement of the flap to the valve to open the latter for allowing the fuel vapors in the tank to pass through the hole and the conduit into the canister.

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