US Patent Issued to Shanghai Wave Rider Fluid Technology on May 19 for "High-pressure water pump lubricated by water or aqueous solution" (Chinese Inventor)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,177, issued on May 19, was assigned to Shanghai Wave Rider Fluid Technology Co. Ltd. (Shanghai).

"High-pressure water pump lubricated by water or aqueous solution" was invented by Fan Zhang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A high-pressure water pump lubricated by water or aqueous solution is provided, which includes a driving mechanism, a shell, a rebound structure, at least one plunger and a plunger cavity. The driving mechanism includes a main shaft and at least one eccentric structure arranged on the main shaft, a thrust structure is sleeved on the outer side of each eccentric structure, the thrust structure and the eccentri...