An evaporator core drying system in which air that is blown by a blower is concentrated into a narrow cross-sectional air stream of high speed purge air which passes progressively across the area of the evaporator core, per an appropriate blow algorithm, so as to effectively and efficiently dry the evaporator...http://www.google.ca/patents/US7637031?utm_source=gb-gplus-sharePatent US7637031 - Evaporator core drying system
