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).
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Inventors:
YU HONGHONG (CN)
LIANG SHANGYU (CN)
MA TAO (CN)
LIANG SHANGYU (CN)
MA TAO (CN)
Application Number:
PCT/CN2017/115901
Publication Date:
June 20, 2019
Filing Date:
December 13, 2017
Export Citation:
Assignee:
SHENZHEN CADRO HYDRAULIC EQUIPMENT CO LTD (CN)
JIANGSU CADRO HYDRAULIC EQUIPMENT CO LTD (CN)
JIANGSU CADRO HYDRAULIC EQUIPMENT CO LTD (CN)
International Classes:
F15B15/14
Foreign References:
| EP3012462A1 | 2016-04-27 | |||
| US20110120120A1 | 2011-05-26 | |||
| CN105757026A | 2016-07-13 |
Attorney, Agent or Firm:
SHENZHEN HEDAOYINGLIAN PATENT FILM (GENERAL PARTNERSHIP) (CN)
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