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Title:
COMPOUND OIL CYLINDER INTEGRATED WITH FUNCTION OF BALANCING CYLINDER AND HYDRAULIC SYSTEM USING THE OIL CYLINDER
Document Type and Number:
WIPO Patent Application WO/2019/113829
Kind Code:
A1
Abstract:
A compound oil cylinder integrated with the function of a balancing cylinder and a hydraulic system using the oil cylinder. The compound oil cylinder comprises: a balancing oil cylinder body (101), and a main oil cylinder boy (105). One end of the main oil cylinder boy (105) is sleeved in the balancing oil cylinder body (101); a balancing oil cylinder piston (103) is disposed in the balancing oil cylinder body (101); the small end of a piston rod of the balancing oil cylinder piston (103) is communicated with a rodless cavity of the main oil cylinder boy (105); a main oil cylinder piston (106) is disposed in the main oil cylinder boy (105).

Inventors:
YU, Honghong (Room 513, SZICC Chaguang Road,Xili Town, Nanshan Distric, Shenzhen Guangdong 0, 518000, CN)
LIANG, Shangyu (Room 513, SZICC Chaguang Road,Xili Town, Nanshan Distric, Shenzhen Guangdong 0, 518000, CN)
MA, Tao (Room 513, SZICC Chaguang Road,Xili Town, Nanshan Distric, Shenzhen Guangdong 0, 518000, CN)
Application Number:
CN2017/115901
Publication Date:
June 20, 2019
Filing Date:
December 13, 2017
Export Citation:
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Assignee:
SHENZHEN CADRO HYDRAULIC EQUIPMENT CO., LTD (Room 513, SZICC Chaguang Road,Xili Town, Nanshan Distric, Shenzhen Guangdong 0, 518000, CN)
JIANGSU CADRO HYDRAULIC EQUIPMENT CO., LTD (Jianyang Petroleum Equipment Industrial Park, Jianhu Count, Yancheng Jiangsu 0, 224700, CN)
International Classes:
F15B15/14
Foreign References:
EP3012462A12016-04-27
US20110120120A12011-05-26
CN105757026A2016-07-13
Attorney, Agent or Firm:
SHENZHEN HEDAOYINGLIAN PATENT FILM (GENERAL PARTNERSHIP) (Room 1207, B Block 1 Building,Xintian Century Business Center,Shixia North 2 Street, Futian Distric, Shenzhen Guangdong 0, 518040, CN)
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