18948206. IMPELLER (DELTA ELECTRONICS, INC.)
IMPELLER
Organization Name
Inventor(s)
Chin-Hung Lee of Taoyuan City (TW)
Chieh-Hung Chang of Taoyuan City (TW)
Chieh-Shih Chang of Taoyuan City (TW)
Ya-Ting Chang of Taoyuan City (TW)
IMPELLER
This abstract first appeared for US patent application 18948206 titled 'IMPELLER
Original Abstract Submitted
An impeller includes a hub, an outer ring, a plurality of first blades and a plurality of second blades. The plurality of first blades are arranged around the hub at intervals. Each of the plurality of first blades passes through the outer ring, extends inward from the outer ring, and is connected to the hub. The plurality of second blades are arranged around the hub at intervals. Each of the plurality of second blades passes through the outer ring. At least one of the plurality of second blades is disposed between the plurality of first blades. Each of the second blades includes a guiding portion, which is an inclined plane disposed on an inner end, and extends obliquely downward toward the hub. A length of each of the plurality of second blades is between 10% and 45% of a length of each of the plurality of first blades.