Patents by Inventor Ju Lei

Ju Lei 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).

  • Patent number: 8991355
    Abstract: The invention discloses a cylinder head of a small-sized general-purpose gasoline engine and a gasoline engine having the same. The cylinder head of the small-sized general-purpose gasoline engine comprises a cylinder head body (1), and an intake passage (9), an exhaust passage (5) and a sparking plug mounting hole (8) arranged on the cylinder head body (1); a combustion chamber surface (7), being a arched smooth curve, is formed at the inner side of the cylinder head body (1); the cylinder head body (1) is provided with an intake valve (11) corresponding to the intake passage (9) and an exhaust valve (4) corresponding to the exhaust passage (5); the intake valve (11) is inclined towards the intake passage (9) from the bottom part to the top part; the exhaust valve (4) is inclined towards the exhaust passage (5) from the bottom part to the top part; and the included angle between the axis of the intake valve (11) and the axis of the exhaust valve (4) is 24±5 degrees.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: March 31, 2015
    Assignee: Loncin Motor Co., Ltd.
    Inventors: Yuming Xie, Hongbo Chen, Bing Liu, Ju Lei
  • Publication number: 20120255515
    Abstract: The invention discloses a cylinder head of a small-sized general-purpose gasoline engine and a gasoline engine having the same. The cylinder head of the small-sized general-purpose gasoline engine comprises a cylinder head body (1), and an intake passage (9), an exhaust passage (5) and a sparking plug mounting hole (8) arranged on the cylinder head body (1); a combustion chamber surface (7), being a arched smooth curve, is formed at the inner side of the cylinder head body (1); the cylinder head body (1) is provided with an intake valve (11) corresponding to the intake passage (9) and an exhaust valve (4) corresponding to the exhaust passage (5); the intake valve (11) is inclined towards the intake passage (9) from the bottom part to the top part; the exhaust valve (4) is inclined towards the exhaust passage (5) from the bottom part to the top part; and the included angle between the axis of the intake valve (11) and the axis of the exhaust valve (4) is 24±5 degrees.
    Type: Application
    Filed: December 28, 2011
    Publication date: October 11, 2012
    Applicant: LONCIN MOTOR CO., LTD.
    Inventors: Yuming Xie, Hongbo Chen, Bing Liu, Ju Lei
  • Patent number: D612402
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: March 23, 2010
    Assignee: Loncin Industry Co., Ltd.
    Inventors: Ruiyi Dai, Chunlin Chen, Ju Lei
  • Patent number: D628597
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: December 7, 2010
    Assignee: Loncin Industry Co., Ltd.
    Inventors: Ruiyi Dai, Bing Liu, Ju Lei