Fuel tank for vehicle
US9944169B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2011 |
| Grant date | Apr 17, 2018 |
| Priority date | — |
| Expiry date | Jun 3, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60K2015/0346
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A fuel tank for a vehicle is formed of a tank main body in which an upper tank and a lower tank are mutually joined to form a closed space in which fuel is housed, and a sub-tank fixed to a bottom surface part of the lower tank by spot welding, in which a plurality of rows of the spot welding are set along a longitudinal direction of the lower tank with an interval therebetween in a width direction of the sub-tank, at least one bead positioned between the rows of the spot welding and extending continuously along the longitudinal direction of the lower tank is formed on the bottom surface part of the lower tank, and a lower surface of the sub-tank has no portion that is not brought into contact with the bottom surface part of the lower tank except for the bead.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.