Solar position correction for climate control system

Details Solar position correction for climate control system Solar position correction for climate control system

1995-10-23

1996-09-10

Lopez, F. Daniel

Heat exchange

With timer, programmer, time delay, or condition responsive...

Having heating and cooling capability

165 111, 165 43, 236 43, 236 51, 236 91C, F25B 1300

Patent

active

055536611

ABSTRACT:
A vehicle heating and air conditioning system has multiple zones and a manual comfort selector for each zone. The setting for each zone is adjustable for the effects of sun intensity and sun position. A Global Position System (GPS) navigation system provides heading, longitude, latitude, time and date data from which sun position relative to the vehicle is determined, and solar sensors provide solar intensity information. An empirical table for each zone addressed by sun elevation and relative azimuth contains solar illumination factors which, along with solar intensity factors, afford an adjustment to the comfort settings, thus altering the temperature and/or flow rate of air supplied to each zone. Alternatively, in the absence of a GPS receiver, a magnetic compass is used for heading data, geographic region data is entered manually, and an on-board clock furnishes the time and date.

REFERENCES:
patent: 5117744 (1992-06-01), Zimmer et al.
patent: 5181654 (1993-01-01), Yoshimi et al.
patent: 5400964 (1995-03-01), Freiberger

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