The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 23, 2019

Filed:

Jan. 19, 2015
Applicant:

Xuzhou Heavy Machinery Co., Ltd., Xuzhou, Jiangsu Province, CN;

Inventors:

Zenghai Shan, Xuzhou, CN;

Zhengde Zhang, Xuzhou, CN;

Xiaodong Hu, Xuzhou, CN;

Haiyan Zhang, Xuzhou, CN;

Conglin Yuan, Xuzhou, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 21/14 (2006.01); F15B 1/02 (2006.01); B66C 13/12 (2006.01); B66C 13/20 (2006.01); B66D 1/44 (2006.01);
U.S. Cl.
CPC ...
F15B 21/14 (2013.01); B66C 13/12 (2013.01); B66C 13/20 (2013.01); B66D 1/44 (2013.01); F15B 1/024 (2013.01);
Abstract

A method and a system for recovering and utilizing crane operating energy and a crane includes converting by a first hydraulic power means hydraulic energy generated by a hydraulic actuator into mechanical energy of a transmission shaft; driving, by the transmission shaft, a second hydraulic power means to rotate so as to convert the mechanical energy of the transmission shaft into mechanical energy of the second hydraulic power means; filling, by the second hydraulic power means, pressurized oil into an accumulator so as to convert the mechanical energy of the second hydraulic power means into hydraulic energy for storage.


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