Apparatus and method for preventing overflow of fuel from vehicle fuel tank
US9982623B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2016 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | Dec 9, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D41/004
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An apparatus and a method for preventing overflow of fuel from a vehicle fuel tank are provided may prevent liquid fuel from overflowing into a canister by for a predetermined time storing liquid fuel, which overflows from a fuel tank through a vent valve while the vehicle is traveling, in a fuel overflow prevention chamber, and by returning the fuel in the fuel overflow prevention chamber to the fuel tank by driving a fuel pump in a reverse direction when an engine is turned off.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.