Air conditioning system and method for vehicles

Details Air conditioning system and method for vehicles Air conditioning system and method for vehicles

1998-04-13

1999-11-23

Wayner, William

Automatic temperature and humidity regulation

Mixing fluid of dissimilar temperature

Plenum type

236 91C, 374134, F24F 700, G01K 116

Patent

active

059885157

ABSTRACT:
In a system and method for conditioning air in a vehicle, it is determined whether an inside air temperature detected by an inside air temperature sensor is stable, an outside air temperature is estimated based on the inside air temperature only when the inside air temperature is stable, a target conditioned air temperature is calculated using an estimated outside air temperature as well as the estimation of outside air temperature is repeated, and the estimated outside air temperature used for the calculation of the target conditioned air temperature is renewed only when the estimated outside air temperature is different from a prior estimated outside air temperature by a value more than a predetermined value. The outside air temperature is adequately estimated without providing an outside air temperature sensor. Consequently, a desirable air conditioning for vehicles may be performed simply and inexpensively.

REFERENCES:
patent: 5105366 (1992-04-01), Beckey
patent: 5810078 (1998-09-01), Knutsson et al.

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