Automotive HVAC system and method of operating same utilizing enthalpy-based control
US7275379B2 · kind B2 · utility
8Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2004 |
| Grant date | Oct 2, 2007 |
| Priority date | — |
| Expiry date | Oct 29, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B49/022
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The present invention concerns a method for controlling the operation of an automotive HVAC system. The HVAC system includes at least a refrigerant compressor and a refrigerant evaporator. The method includes the steps of calculating an ambient air enthalpy value; comparing the calculated ambient air enthalpy value to at least one predetermined enthalpy value; and selectively changing the operation of the refrigerant compressor based on the comparison.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.