Inventor

HUANG JIAHAI

CN2 patents

Patents

2 patents

US10273657B2Apr 30, 2019

Variable-speed volume-control direct-drive all-electric hydraulic excavator driving and energy recovery system

UNIV TAIYUAN TECHNOLOGY4 citations66

US10047768B2Aug 14, 2018

Double-loop control system with single hydraulic motor

UNIV TAIYUAN TECHNOLOGY3 citations65