Patents by Inventor Xianxin Shi

Xianxin Shi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Hydraulic control valve, dual-cylinder extension system and aerial work engineering machine
    Patent number: 9541100
    Abstract: A hydraulic control valve, a dual-cylinder extension system and an aerial work engineering machine. The control valve comprises a flow distributing and collecting valve, and control valve body is provided with a first oil opening, a second oil opening and a third oil opening. A first oil opening, a second oil opening and a third oil opening of said flow distributing and collecting valve are respectively communicated with the first oil opening, the second oil opening and the third oil opening of the valve body. The control valve has two working states, wherein, in the first working state, the oil path between the second oil opening and the third oil opening of the valve body is blocked; and in the second working state, the oil path between the second oil opening and the third oil opening of the valve body is opened.
    Type: Grant
    Filed: February 16, 2012
    Date of Patent: January 10, 2017
    Assignee: Xuzhou Heavy Machinery Co., Ltd.
    Inventors: Xianxin Shi, Xiaodong Xu, Demei Kong, Liangwei Lu
  • Electric-control multimode steering valve, steering hydraulic control system, and wheel type crane
    Patent number: 9533704
    Abstract: An electric-control multimode steering valve comprises: a flow distributing and collecting valve, a first electromagnetic valve, and a second electromagnetic valve. A valve body comprises four groups of paired valve oil ports. First oil ports of the first and second electromagnetic valves are in communication with a first group. Second oil ports of the first and second electromagnetic valves are in communication with a second group. A third oil port of the first electromagnetic valve is in communication with a flow collecting port of the flow distributing and collecting valve. A first flow distributing port of the flow distributing and collecting valve and a third oil port of the second electromagnetic valve are in communication with a third group. A second flow distributing port of the flow distributing and collecting valve and the third oil port of the second electromagnetic valve are in communication with a fourth group.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: January 3, 2017
    Assignee: Xuzhou Heavy Machinery Co., Ltd.
    Inventors: Xianxin Shi, Honggang Ding, Haixiang Ye, Xin Fang, Fuyi Zhang
  • ELECTRIC-CONTROL MULTIMODE STEERING VALVE, STEERING HYDRAULIC CONTROL SYSTEM, AND WHEEL TYPE CRANE
    Publication number: 20150307124
    Abstract: An electric-control multimode steering valve comprises: a flow distributing and collecting valve, a first electromagnetic valve, and a second electromagnetic valve. A valve body comprises four groups of paired valve oil ports. First oil ports of the first and second electromagnetic valves are in communication with a first group. Second oil ports of the first and second electromagnetic valves are in communication with a second group. A third oil port of the first electromagnetic valve is in communication with a flow collecting port of the flow distributing and collecting valve. A first flow distributing port of the flow distributing and collecting valve and a third oil port of the second electromagnetic valve are in communication with a third group. A second flow distributing port of the flow distributing and collecting valve and the third oil port of the second electromagnetic valve are in communication with a fourth group.
    Type: Application
    Filed: May 7, 2015
    Publication date: October 29, 2015
    Inventors: Xianxin Shi, Honggang Ding, Haixiang Ye, Xin Fang, Fuyi Zhang
  • Hydraulic Control Valve, Dual-Cylinder Extension System and Aerial Work Engineering Machine
    Publication number: 20150014093
    Abstract: A hydraulic control valve, a dual-cylinder extension system and an aerial work engineering machine. The control valve comprises a flow distributing and collecting valve, and control valve body is provided with a first oil opening, a second oil opening and a third oil opening. A first oil opening, a second oil opening and a third oil opening of said flow distributing and collecting valve are respectively communicated with the first oil opening, the second oil opening and the third oil opening of the valve body. The control valve has two working states, wherein, in the first working state, the oil path between the second oil opening and the third oil opening of the valve body is blocked; and in the second working state, the oil path between the second oil opening and the third oil opening of the valve body is opened.
    Type: Application
    Filed: February 16, 2012
    Publication date: January 15, 2015
    Applicant: Xuzhou Heavy Machinery Co., Ltd.
    Inventors: Xianxin Shi, Xiaodong Xu, Demei Kong, Liangwei Lu