Air conditioning unit, operatable with carbon dioxide, for vehicles and method for operating the air conditioning unit
US7650763B2 · kind B2 · utility
5Cited by
6References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 27, 2007 |
| Grant date | Jan 26, 2010 |
| Priority date | — |
| Expiry date | Nov 29, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2400/14
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An air conditioning unit for vehicles with work-doing expansion of the carbon dioxide is provided, the air conditioning unit including a combined refrigeration and heat pump circuit, wherein the air conditioning unit is switchably configured to change a flow direction of a refrigerant for switchable operation from the refrigeration circuit to the heat pump circuit. A method for operating the air conditioning unit is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.