Furnace filter alert
A dust particle detector comprised of one or more light beam emitters (10) and detectors (11), mounted on a hanging arm (50) which is attached to rear case (31). Enclosed in front case (30) and said rear case, a buzzer (4), battery (1), control potentiometer (5), switch (9) and electronic chips (2 a...
Saved in:
Main Authors | , |
---|---|
Format | Patent |
Language | English |
Published |
22.04.2010
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | A dust particle detector comprised of one or more light beam emitters (10) and detectors (11), mounted on a hanging arm (50) which is attached to rear case (31). Enclosed in front case (30) and said rear case, a buzzer (4), battery (1), control potentiometer (5), switch (9) and electronic chips (2 and 3). After hanging the Filter Alert on the furnace filter, the light beam path soon becomes block with dust and dirt, which triggers the buzzer (4). |
---|---|
Bibliography: | Application Number: US20080288375 |