Charge valve in a high pressure air conditioning system
US6659426B2 · kind B2 · utility
8Cited by
20References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2001 |
| Grant date | Dec 9, 2003 |
| Priority date | — |
| Expiry date | May 27, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2309/06
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A service valve for a CO2 refrigerant based air conditioning system in a vehicle. The service valve includes a dynamic seal that is opened and closed during servicing of the air conditioning system. The dynamic seal provides for good overall sealing as well as good permeation resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.