Inventor
SHANG TONGLIN
US30 patents
⚠️ This page may combine multiple inventors who share the name “SHANG TONGLIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR INC
18 patentsUS7908852B2Mar 22, 2011
Control system for recovering swing motor kinetic energy
CATERPILLAR INC57 citations95
US9809958B2Nov 7, 2017
Engine assist by recovering swing kinetic energy
CATERPILLAR INC7 citations84
US9945396B2Apr 17, 2018
Fluid systems for machines with integrated energy recovery circuit
CATERPILLAR INC10 citations83
US9290912B2Mar 22, 2016
Energy recovery system having integrated boom/swing circuits
CATERPILLAR INC15 citations83
US9091286B2Jul 28, 2015
Hydraulic control system having electronic flow limiting
CATERPILLAR INC7 citations83
US9086061B2Jul 21, 2015
Energy recovery hydraulic system
CATERPILLAR INC14 citations82
US7997117B2Aug 16, 2011
Electrically controlled hydraulic valve calibration method and system
CATERPILLAR INC16 citations82
US9556591B2Jan 31, 2017
Hydraulic system recovering swing kinetic and boom potential energy
CATERPILLAR INC5 citations73
US9315968B2Apr 19, 2016
Hydraulic control system for machine
CATERPILLAR INC3 citations73
US9290911B2Mar 22, 2016
Energy recovery system for hydraulic machine
CATERPILLAR INC6 citations72
US9951795B2Apr 24, 2018
Integration of swing energy recovery and engine anti-idling systems
CATERPILLAR INC5 citations71
US9388828B2Jul 12, 2016
Hydraulic control system having swing motor energy recovery
CATERPILLAR INC4 citations69
US9261118B2Feb 16, 2016
Boom cylinder dig flow regeneration
CATERPILLAR INC4 citations68
US7905089B2Mar 15, 2011
Actuator control system implementing adaptive flow control
CATERPILLAR INC6 citations60
US9328744B2May 3, 2016
Hydraulic control system having swing energy recovery
CATERPILLAR INC1 citations51
US9897120B2Feb 20, 2018
Hydraulic system having energy recovery
CATERPILLAR INC0 citations48
US9187878B2Nov 17, 2015
Hydraulic control system having swing oscillation dampening
CATERPILLAR INC0 citations41
US9086081B2Jul 21, 2015
Hydraulic control system having swing motor recovery
CATERPILLAR INC0 citations40
ZHANG JIAO
4 patentsUS9279236B2Mar 8, 2016
Electro-hydraulic system for recovering and reusing potential energy
ZHANG JIAO26 citations92
US8776511B2Jul 15, 2014
Energy recovery system having accumulator and variable relief
ZHANG JIAO13 citations83
US8850806B2Oct 7, 2014
Hydraulic control system having swing motor energy recovery
ZHANG JIAO19 citations82
US9068575B2Jun 30, 2015
Hydraulic control system having swing motor energy recovery
ZHANG JIAO5 citations71