Self-heating assembly with distributed reactant
US10478015B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2016 |
| Grant date | Nov 19, 2019 |
| Priority date | — |
| Expiry date | Sep 8, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24V30/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A self-heating assembly includes a product container for holding a product to be heated and a heater container coupled to the product container. There is a reaction space between the product container and the heater container. There is a support structure (made, for example, of open cell foam) in the reaction space and a granular second reactant distributed throughout the support structure. There is a liquid first reactant in the reaction space. A frangible membrane is configured so that, when intact, it separates the liquid first reactant from the support structure and from the granular second reactant. The liquid first reactant and the granular second reactant are adapted to exothermically react upon contact with one another. The support structure is permeable to the liquid first reactant and is configured to support and substantially maintain the distribution of the granular second reactant throughout the support structure before and during the exothermic chemical reaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.