Patents by Inventor Kuiyu CHEN

Kuiyu CHEN 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).

  • Single-way damping plunger cylinder and forklift comprising the same
    Patent number: 10161427
    Abstract: A single-way damping plunger cylinder includes a cylinder body (3), a piston rod (4), a piston (6) and a sleeve (2), the piston (6) dividing the cylinder body (3) into a first cylinder chamber (31) and a second cylinder chamber (32), a first end of the first oil passage (40) being communicated with the first cylinder chamber (31) via the second oil passage (41) and a second end of the first oil passage (40) being communicated with the second cylinder chamber (32), the valve (5) movably disposed in the second oil passage (41) to open or close a direct communication of the first and second oil passages (40,41); a damping oil passage (50) defined in the valve (5) to communicate the first oil passage (40) with the second oil passage (41). A forklift is also provided.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: December 25, 2018
    Assignee: BYD Company Limited
    Inventors: Xiyang He, Kuiyu Chen
  • SINGLE-WAY DAMPING PLUNGER CYLINDER AND FORKLIFT COMPRISING THE SAME
    Publication number: 20160238045
    Abstract: A single-way damping plunger cylinder includes a cylinder body (3), a piston rod (4), a piston (6) and a sleeve (2), the piston (6) dividing the cylinder body (3) into a first cylinder chamber (31) and a second cylinder chamber (32), a first end of the first oil passage (40) being communicated with the first cylinder chamber (31) via the second oil passage (41) and a second end of the first oil passage (40) being communicated with the second cylinder chamber (32), the valve (5) movably disposed in the second oil passage (41) to open or close a direct communication of the first and second oil passages (40,41); a damping oil passage (50) defined in the valve (5) to communicate the first oil passage (40) with the second oil passage (41). A forklift is also provided.
    Type: Application
    Filed: April 22, 2016
    Publication date: August 18, 2016
    Inventors: Xiyang HE, Kuiyu CHEN