Controller for an air conditioner of vehicles
US4766950A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 31, 1984 |
| Grant date | Aug 30, 1988 |
| Priority date | — |
| Expiry date | May 31, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/88
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In an air conditioner of vehicles including a fan for sending air, a cooling unit for cooling air sent by the fan, a heater for heating air sent by the fan, an air mix damper for adjusting the amount of air passing through the heater and cooled by the cooling unit, and a control unit for controlling an opening of the air mix damper in response to a cooling and heating load, a controller for an air conditioner of vehicles has a dehumidifying operation mode in which the opening of the air mix damper is adjusted to effect the air conditioning operation and an energy saving operation mode in which the duty ratio of turning on and off a compressor is changed to effect the air conditioning operation, and comprises a fan drive control unit for increasing the amount of wind in a region where the cooling and heating load is large.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.