Refrigerant with leak detection dye concentrate
US7251984B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2005 |
| Grant date | Aug 7, 2007 |
| Priority date | — |
| Expiry date | Sep 29, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S252/964
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A container including a mixture of refrigerant and leak detection dye medium is disclosed for adding to an air conditioning or refrigeration system. The container includes a storage container adapted to communicate with an air conditioning or refrigeration system for supplying material inside the container to the air conditioning or refrigeration system. A refrigerant is contained within the container, along with a leak detection dye medium. The dye medium including a dye adapted to fluoresce when exposed to incident radiation below about 500 nm. The dye medium having an initial state where at least a portion of the dye medium is in a non-liquid form separate from the refrigerant and includes a concentrated dye, and a second state where the dye is dispersed or mixed with the refrigerant. A method of forming the mixture within the container is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.