Patents by Inventor James Thomas Kovach

James Thomas Kovach 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).

  • Electromechanical valve actuator with air piston to aid in soft landing
    Patent number: 6572074
    Abstract: An electromagnetic actuator 10 for opening and closing a cylinder valve 14. The actuator includes an opening coil 20, a closing coil 22, a magnetic armature 26 which is disposed between coils 20, 22 and which is fixedly attached to the stem or shaft portion 28 of valve 14, a pair of conventional valve springs 30, 32, and a pair of pneumatic dampers or air cushioning assemblies 34, 36. Pneumatic dampers 34, 36 are effective to selectively decelerate the moving components of the actuator as they approach their respective seats during valve opening and valve closing events, thereby substantially reducing noise and vibration harshness (“NVH”).
    Type: Grant
    Filed: April 18, 2001
    Date of Patent: June 3, 2003
    Assignee: Ford Global Technologies, LLC
    Inventors: Woong-chul Yang, Mohammad Haghgooie, James Thomas Kovach
  • Electromechanical valve actuator with air piston to aid in soft landing
    Publication number: 20020153501
    Abstract: An electromagnetic actuator 10 for opening and closing a cylinder valve 14. The actuator includes an opening coil 20, a closing coil 22, a magnetic armature 26 which is disposed between coils 20, 22 and which is fixedly attached to the stem or shaft portion 28 of valve 14, a pair of conventional valve springs 30, 32, and a pair of pneumatic dampers or air cushioning assemblies 34, 36. Pneumatic dampers 34, 36 are effective to selectively decelerate the moving components of the actuator as they approach their respective seats during valve opening and valve closing events, thereby substantially reducing noise and vibration harshness (“NVH”).
    Type: Application
    Filed: April 18, 2001
    Publication date: October 24, 2002
    Inventors: Woong-chul Yang, Mohammad Haghgooie, James Thomas Kovach