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Here we present a latent heat storage device which is used to provide “quick/supplemental” heat to the vehicle's conventional heating system. First, we present data from actual in-vehicle cold weather tests. Data are presented for heater and defroster performance tests, emissions tests and cold start tests after extended soaks. Secondly, heater performance predictions are made using a computer simulation program. Finally, the actual heater performance results are compared with the computer simulation.

This paper presents a novel low air flow rate measuring device. The device was designed to accurately, easily, and in a repeatable way measure the air flow rate through the in-cabin temperature sensor used in automatic climate control systems. The design of the device is briefly discussed and calibration data are presented. Finally, data from some bench-top tests and from in-vehicle measurements are presented.