Valve for the venting circuit of a liquid tank
US7900648B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 22, 2006 |
| Grant date | Mar 8, 2011 |
| Priority date | — |
| Expiry date | Oct 29, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7358
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve for the venting circuit of a liquid tank including a main chamber which opens into the tank and is connected via an aperture to the venting circuit, a float comprising a body, and a head capable of closing off the orifice. The float being able to slide vertically inside the main chamber. The valve further including a baffle surrounding the aperture and defining a secondary chamber via the bottom inside the main chamber. The dimensions and the shape of the secondary chamber, of the body of the float, and of the head of the float are designed so that the head can slide at least partly inside the secondary chamber, while the body of the float cannot do so.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.