INDICADORES DE VIDA ÚTIL

An air treatment control device has a useful life indicator of an air treatment chemical dispenser. The indicator device has a well with a volatile indicator material positioned therein. The well's cavity is configured to achieve clumping of the remaining indicator material as some volatizes du...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ANNE T. MAGHASI, KWAMENA GYAKYE DEGRAFT-JOHNSON, DONALD J. SCHUMACHER, JOEL E. ADAIR, PADMA PRABODH VARANASI, BRIANT T. DAVIS
Format:	Patent
Sprache:	por
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	An air treatment control device has a useful life indicator of an air treatment chemical dispenser. The indicator device has a well with a volatile indicator material positioned therein. The well's cavity is configured to achieve clumping of the remaining indicator material as some volatizes due to capillary attraction. This presents a shrinking display that can be coordinated with the level of use of the air treatment chemical dispenser.