Removable test kit and method of use for vapor compression systems
US6576473B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 28, 1999 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | May 28, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/85
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A field-installable and removable moisture and/or acid test kit and method is used for a vapor compression system. A moisture and/or acid indicator is provided in the test kit which is installed at a single point location upstream or downstream of the system compressor in a region where the system working fluid is in a substantially vapor phase. The test kit can be connected to the system by a threaded connection or a quick disconnect fitting. The moisture/acid indicator in the test kit detects the presence of moisture and/or acid by a diffusion of moisture or acid to the indicator via diffusion. Some magnification is provided in the test kit because the lower transport rates from the vapor diffusion mechanism requires a smaller mass of indicator material than has been used in conventional flowing liquid systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.