About 20 results
https://drivepatents.com/patents/1082543 · 10 Nov 2004
The invention relates to a method for estimating a heater-core air discharge temperature of an HVAC system. According to the invention, the method uses a model of the heat exchanger. This heat exchanger efficiency model maps a heat exchanger efficiency to ...
https://drivepatents.com/patents/1083228 · 13 Oct 2004
The invention relates to a method for controlling the air discharge temperature of an HVAC system which comprises means for controlling air flows. According to the invention, the method is characterised by the following steps: calculating air flows and pre...
https://drivepatents.com/patents/1090048 · 28 Jan 2004
A motor vehicle automatic climate control determines the heating or cooling influence of the deep mass components of the cabin (10) and compensates the climate control to offset the thermal effects of the deep mass components on the cabin air temperature. ...
https://drivepatents.com/patents/1092231 · 29 Oct 2003
An improved motor vehicle automatic climate control methodology develops HVAC commands for transient phase operation independent of the HVAC commands calibrated for steady-state phase operation. At system activation, a transient phase indicator is initiali...
https://drivepatents.com/patents/1098122 · 26 Feb 2003
The method of regulating motor vehicle air conditioning involves cooling air in a heat exchanger and passing it through a nozzle into the passenger compartment. A comfort value is determined from the skin temperature of a passenger to control the temperatu...
https://drivepatents.com/patents/1108300 · 28 Nov 2001
A cooling device (22) with controllable cooling power is used in air-conditioning equipment (10) for a vehicle (12). Cooling power is adjusted so that heat energy needed to heat up pre-cooled air is as low as possible. This minimum heat energy is determine...
https://drivepatents.com/patents/1110172 · 19 Sep 2001
An air conditioning apparatus for a vehicle is constituted by including a blower (5) provided in the air conditioning duct of vehicle, a blower motor for driving the blower, a motor control circuit for controlling the voltage applied to the blower motor an...
https://drivepatents.com/patents/1110296 · 12 Sep 2001
The air conditioning control for a motor vehicle air conditioning has a computer to evaluate a comfortable temperature (Tco) for a passenger in a predetermined region of the vehicle compartment. The air conditioning control selectively modifies the conditi...
https://drivepatents.com/patents/1111604 · 18 Jul 2001
The system comprises an air-conditioning system (3) including a duct (4) for taking in air from outside the passenger compartment (1) and at least one duct (5) for taking in air from inside the passenger compartment (1), devices (10,11) for heating the air...
https://drivepatents.com/patents/1112485 · 13 Jun 2001
An improved performance and cost-effective control for an automatic motor vehicle HVAC system in which the system variables are controlled without regard to a measured in-car temperature during steady-state conditions, and in which the steady-state control...