US Patent Issued to YANMAR HOLDINGS on Sept. 29 for "Electric work machine" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,561, issued on Sept. 29, was assigned to YANMAR HOLDINGS Co. LTD. (Osaka, Japan).

"Electric work machine" was invented by Satoshi Kitahara (Chikugo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic excavator provided as an electric work machine includes an electric motor, an electric instrument connected to the electric motor via a power supply path, a first heat exchanger that cools a refrigerant passing through the electric instrument, a hydraulic pump driven by the electric motor and discharges a hydraulic oil, a second heat exchanger that cools the hydraulic oil, a fan, and first and second flow paths. The first flow path has a ...