US Patent Issued to Kawasaki Jukogyo on Aug. 18 for "Hydraulic drive device" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,061, issued on Aug. 18, was assigned to Kawasaki Jukogyo K.K. (Kobe, Japan).

"Hydraulic drive device" was invented by Hideyasu Muraoka (Kobe, Japan), Nobuyuki Kinoshita (Kobe, Japan), Yoji Yudate (Kobe, Japan), Yoshihiko Hata (Kobe, Japan), Yuki Kuwabara (Kobe, Japan) and Yuichi Miyagi (Kobe, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "This hydraulic drive device drives a hydraulic cylinder by supplying and draining a working fluid to and from a head-end port and a rod-end port and includes: a hydraulic pump motor is rotatably driven by and discharges the working fluid; an electric motor connected to the hydraulic pump motor; a directional ...