Heat accumulator for vehicle use
US6994268B2 · kind B2 · utility
2Cited by
4References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Aug 4, 2003 |
| Grant date | Feb 7, 2006 |
| Priority date | — |
| Expiry date | Dec 18, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/14
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A heat accumulator for vehicle use, attached to a vehicle, has a double tank structure composed of an outer tank and an inner tank, a space formed between the outer tank and the inner tank being maintained as a vacuum, the outer tank and the inner tank each have an opening on a bottom face, the opening of the outer tank and that of the inner tank are joined to each other at the entire peripheries of the openings, preventing means for preventing fatigue failure from starting at the joining portion being provided at a portion extending from the opening to at least a side of the outer tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.