Improvements to the hydraulic jacks, in particular to those of the elevators of vehicles.

• 1. 结构改进的机架一体式液压卧式千斤顶 [P] . 中国专利： CN103253610A . 2013-08-21
• 2. 结构改进的液压卧式千斤顶机架 [P] . 中国专利： CN202704936U . 2013.01.30
• 3. METHOD FOR INSTALLING SPLIT TYPE HYDRAULIC JACK AND SPLIT TYPE HYDRAULIC JACK FOR HYDRAULIC ELEVATOR [P] . 日本专利： JPH07330251A . 1995-12-19

  机译： 液压升降机分体式液压千斤顶和分体式液压千斤顶的安装方法

• 4. Improvements to the carriages elevator conveyors called stackers , and to the pumps for feeding the hydraulic jacks [P] . 法国专利： FR1167426A . 1958-11-25

  机译： 改进了称为《堆垛机》的车厢电梯输送机，并改进了向液压千斤顶供油的泵

• 5. Improvements in the hydraulic elevators mechanisms for car vehicles. (Machine-translation by Google Translate, not legally binding) [P] . ES340502A1 . 1968-09-01

  机译： 用于汽车的液压升降机机构的改进。 （通过Google翻译进行机器翻译，没有法律约束力）

• 1. Research of Maintenance Task Interval Optimization of Elevator Hydraulic Actuation System [J] . CHEN Rui, WANG Yiping, SUN Tieyuan 国际设备工程与管理（英文版） . 2019,第003期
• 2. The research of the evaluation system for the sealability of hydraulic supports and jacks＇ seals [J] . ZHANG Xi, LIU Jie, WANG Zong-yong, 煤炭学报：英文版 . 2011,第001期
• 3. The research of the evaluation system for the sealability of hydraulic supports and jacks' seals [J] . ZHANG Xi, LIU Jie, WANG Zong-yong, 煤炭学报：英文版 . 2011,第001期
• 4. Design Improvement of Power Source of Hydraulic Elevators in Order to Reduce Noise Emission [C] . Paolo Pennacchi International Congress on Noise Control Engineering . 2012
• 5. Differences Between Hydraulic and Machine Room Less (MRL) Elevator Systems. [D] . Senawi, Karl. 2013
• 6. Mechanical and Durability Performance Improvement of Natural Hydraulic Lime-Based Mortars by Lithium Silicate Solution [O] . Zijian Song, Zhongyuan Lu, Zhenyu Lai 2020
• 7. Improvement in Hydraulic Elevators [O] . Morgan Charles H. 1878

• 1. HYDRAULIC ACTIVE GUIDE ROLLER SYSTEM FOR HIGH-SPEED ELEVATOR BASED ON FUZZY CONTROLLER [J] . FENG Yonghui ,ZHANG Jianwu . 中国机械工程学报 . 2007,第005期
• 2. COMPUTATIONAL FLOW RATE FEEDBACK AND CONTROL METHOD IN HYDRAULIC ELEVATORS [J] . Xu Bing ,Ma Jien ,Lin Jianjie . 中国机械工程学报 . 2005,第004期
• 3. 铁路车辆救援用液压千斤顶 [C] . 李秋勤 . 中国金属学会宝钢引进运输技术运输设备消化移植会议 . 1987
• 4. 液压支架推移千斤顶液压系统的研究 [A] . 张铁建 . 2016