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Department of Engineering, ICT and Technologies for Energy and Transport Patent Title Procedure for the assessmeŶt of the cleaŶŝŶg state of a cŽŶĚŝƟŽŶŝŶg/hĞĂƟŶg system of a ďƵŝůĚŝŶg͘ ReĨ͘ CNR 10301 Assignee(s): CNR, Tagliaferri s.r.l., F. Buccolini CNR InƐƟƚute: IAC Main Inventor: Domenico Vitulano Countries: IT Priority date: 07/10/2013 Abstract The preseŶƚ ŝŶveŶƟoŶ refers to a methodology for assessiŶg aŶĚ mŽŶŝtorŝŶg the cleaŶŝŶg state of aŶ air cŽŶĚŝƟŽŶŝŶg/heĂƟŶg system of a ďƵŝůĚŝŶg, seeŶ as the set of Įůƚer (or Įůƚers) aŶd air ducƚƐ͘ The methodology ĚĞĮŶĞƐ a ŶŽŶ-ŝŶvasive method for measuriŶg the amouŶƚ of dust ŝŶ the veŶƟůĂƟŽŶ system͘ /Ŷ ƉĂƌƟĐƵlar, said method deĮŶĞƐ the ŵŝŶŝŵƵŵ amŽƵŶt of measuremĞŶƚƐ, the coŶdŝƟŽŶƐ for their acquisŝƟŽŶ, the Ɵme table aŶd the locĂƟŽŶƐ of acquisŝƟŽŶƐ͘ Background Nowadays some methodologies related to the ŽƉƟŵĂů temporal subsƟƚƵƟoŶ of the Įlter are available, but they ŶĞŐůect the veŶƟůĂƟŽŶ ducts cleaŶŝŶŐ͘ KŶ the coŶtrary, the cleaŶŝŶŐ state of the veŶƟůĂƟŽŶ ducts - as also ĐŽŶĮrmed by the measuremeŶƚƐ acquired ŝŶ the experimeŶƚĂů phase - is crucial for a good ŝŶĚoor air quality͘ Technology Methodology capable of prĞĚŝĐƟŶŐ the coŶĐĞŶƚƌĂƟoŶ of iŶdoor polůƵƚĂŶƚs oŶ the basis of some characterisƟc parameters of the ďƵŝůĚŝŶŐ, of the ŚĞĂƟŶŐ system aŶĚ ŽŶ actual measuremĞŶƚƐ of pollutaŶt ĐŽŶĐeŶƚrĂƟŽŶƐ͘ The system is based oŶ a ŶŽŶ-iŶvasive ŝŶƚerveŶƟŽŶ ŝŶ the air ĐŽŶĚŝƟŽŶŝŶg system aŶd it is also able to ĂĐĐŽƵŶt for measures acquired at previous Ɵŵes͘ Advantages and ApplicaƟons The ƉƌĞƐĞŶƚ iŶveŶƟŽŶ could have aŶ immediate commeƌĐŝĂůŝnjĂƟŽŶ iŶ the Įeld of veŶƟůĂƟŽŶ systems because extremely Ňexible, automĂƟĐ, low-cost ĂŶd able to provide a complete check of the ĐŽŶĚŝƟŽŶŝŶg system (Įlters aŶd ĂĞƌĂƟŽŶ duĐƚƐͿ͘ /Ŷ ĂĚĚŝƟŽŶ, the preseŶt ŝŶveŶƟŽŶ would have a key role ŝŶ the presĞŶce of a Ŷew law regulĂƟŶg ŝŶĚŽŽr air quality ŝŶ both public aŶĚ private ďƵŝůĚŝŶgs͘ Development stage Proposals have beeŶ submŝƩed for fuŶdŝŶg the project ŝŶ order to eŶgŝŶeer the methodology iŶ a product- service directly ŵĂƌŬĞƚĂďůĞ͘ 1