The present invention discloses a clogging detecting system for a dryer which can display a clogging degree or state of an air passage to the user through a remote controlling device. The clogging detecting system for the dryer includes the dryer for judging the clogging degree of the air passage, and...http://www.google.es/patents/US20080072450?utm_source=gb-gplus-sharePatente US20080072450 - CLOGGING DETECTING SYSTEM FOR DRYER
