Fuel tank vent valve with liquid carryover filter
US6405747B1 · kind B1 · utility
45Cited by
22References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2000 |
| Grant date | Jun 18, 2002 |
| Priority date | — |
| Expiry date | Oct 27, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86324
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An apparatus for controlling discharge of fuel vapor from within a vehicle fuel tank, which apparatus includes at least a primary and auxiliary liquid separating chamber positioned above a float chamber below a valve outlet. The apparatus includes at least one baffle arranged to intercept and direct filtered fuel droplets from the vapor flow and return the liquid fuel to the fuel tank. The primary and auxiliary liquid separation chambers and associated baffle are positioned to facilitate flow of fuel vapor from the tank yet return liquid fuel to the tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.