US Patent Issued to AIRGREENING (CANADA) on June 2 for "Variable radius impeller" (Canadian Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,432, issued on June 2, was assigned to AIRGREENING (CANADA) INC. (Markham, Canada).

"Variable radius impeller" was invented by Jixian Hu (Richmond Hill, Canada), Yuehao Hu (Richmond Hill, Canada), Jiawen Zhu (Toronto) and Pengyi Liao (Brossard, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present specification relates to a variable radius impeller comprising: a frame assembly configured for coupling to a generator; a plurality of blades for generating rotational force around an axis of rotation defined by the frame assembly, each blade rotatably mounted to the frame assembly; and a plurality of actuation rods, each actuation rod operably...