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...
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| creator | ANNE T. MAGHASI KWAMENA GYAKYE DEGRAFT-JOHNSON DONALD J. SCHUMACHER JOEL E. ADAIR PADMA PRABODH VARANASI BRIANT T. DAVIS |
| description | 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. |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | INDICADORES DE VIDA ÚTIL |
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