Fuel interruption means of fuel tank
US5832950A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1996 |
| Grant date | Nov 10, 1998 |
| Priority date | — |
| Expiry date | Sep 10, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86936
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a fuel interruption device for a fuel tank, a main valve is prevented from opening as a result of the action of an auxiliary valve during closure of the main valve; and more specifically, an auxiliary valve which is caused to move up and down by a float and a main valve which moves up and down in linkage with the up and down movement of the auxiliary valve are accommodated inside a casing which allows the inflow and outflow of liquid fuel and is provided at the end of a passage which connects the fuel tank and canister; a linking projection is provided on one of the valves, that is, either the auxiliary valve or the main valve, so that the main valve moves in linkage with the auxiliary valve in an action that is either advanced or retarded within a predetermined range, and a projection regulating groove into which the linking projection is inserted so that the projection can change its position within the range is formed in the other valve; and auxiliary valve seat and main valve seat open independently in the upper portion of the casing or in the end of the passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.