US Patent Issued to GUANGDONG WELLING MOTOR MANUFACTURING on Dec. 9 for "Valve needle assembly, electronic expansion valve and refrigeration device" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,754, issued on Dec. 9, was assigned to GUANGDONG WELLING MOTOR MANUFACTURING Co. LTD. (Guangdong, China).

"Valve needle assembly, electronic expansion valve and refrigeration device" was invented by Mao Yang (Guangdong, China), Longhua Huang (Guangdong, China), Chao Chen (Guangdong, China) and Bo Jiang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A valve needle assembly, an electronic expansion valve and a refrigeration device are provided. The valve needle assembly has a valve needle sleeve, a valve rod, a valve needle, a buffer slider and a buffer spring. The valve needle sleeve has a first open end and a second open end opposit...