Automotive air conditioning system
US5167129A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 25, 1991 |
| Grant date | Dec 1, 1992 |
| Priority date | — |
| Expiry date | Jul 25, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60H1/247
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An automotive air conditioning system is disclosed which is incorporated with a known automatic air conditioner installed in a motor vehicle. The air conditioning system has first, second and third operation modes which are automatically selected. When the system assumes the first operation mode, air in upper and lower portions of the passenger cabin is discharged to outside of the vehicle through upper and lower ducts. When the system assumes the second operation mode, air in the lower portion of is sucked into an air conditioning unit through the lower duct and cooled and blown into the upper portion of the passenger cabin through the upper duct. When the system assumes the third operation mode, air in the upper portion of the passenger cabin is enforcedly discharded to outside of the vehicle through the upper duct.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.