18945339. VENTILATION SYSTEM (DELTA ELECTRONICS, INC.)
VENTILATION SYSTEM
Organization Name
Inventor(s)
YU-HSIANG Huang of Taoyuan City (TW)
YUAN-CHUAN Liu of Taoyuan City (TW)
CHIH-HUA Lin of Taoyuan City (TW)
VENTILATION SYSTEM
This abstract first appeared for US patent application 18945339 titled 'VENTILATION SYSTEM
Original Abstract Submitted
A ventilation system comprises a ventilation fan with a lamp for installing to a ceiling having an installation opening. The ventilation fan comprises a housing, a fan module, a power box, a junction box, a lamp module and a support. The housing has a first opening and an air outlet. The fan module comprises an inlet opening and an outlet opening. The outlet opening communicates with the air outlet. The power box has a first circuit board. The lamp module and the housing are located at opposite sides of the installation opening. The junction box is electrically connected to the first circuit board and the lamp module. The impeller comprises a hub, and a ratio of a height of the hub to a height of the housing is less than 0.5. A ratio of a height of the impeller to a height of the housing is greater than 0.65.