Patents by Inventor Sergio Ferracin

Sergio Ferracin 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).

  • Valve guide for rocker arm assembly
    Patent number: 6889644
    Abstract: A rocker arm assembly (55) for a valve control system in an internal combustion engine including a cylinder head (11), and a poppet valve (15). The valve control system comprises an HLA (41) having a ball plunger portion (39). The assembly (55) comprises a rocker arm (57) including axially spaced apart side walls (59,61) and a portion (63) for engagement with the ball plunger (39). The rocker arm assembly (55) further comprises a cam follower (29) disposed about a mounting shaft (31) extending into shaft openings (65) defined by the side walls (59,61), and a pin member (67) defining a valve pad for engagement with a stem tip portion (17), the pin member extending into pin openings (71) defined by the side walls. The assembly (55) includes a clip member (75) including spaced apart clip side walls (77,79) disposed on the outside of the side walls of the rocker arm (57). A connection portion (81) interconnects the clip side walls to restrain axial movement of the mounting shaft (31) and of the pin member (67).
    Type: Grant
    Filed: July 2, 2004
    Date of Patent: May 10, 2005
    Assignee: Eaton Corporation
    Inventors: Sergio Ferracin, Majo Cecur
  • VALVE GUIDE FOR ROCKER ARM ASSEMBLY
    Publication number: 20050016480
    Abstract: A rocker arm assembly (55) for a valve control system in an internal combustion engine including a cylinder head (11), and a poppet valve (15). The valve control system comprises an HLA (41) having a ball plunger portion (39). The assembly (55) comprises a rocker arm (57) including axially spaced apart side walls (59,61) and a portion (63) for engagement with the ball plunger (39). The rocker arm assembly (55) further comprises a cam follower (29) disposed about a mounting shaft (31) extending into shaft openings (65) defined by the side walls (59,61), and a pin member (67) defining a valve pad for engagement with a stem tip portion (17), the pin member extending into pin openings (71) defined by the side walls. The assembly (55) includes a clip member (75) including spaced apart clip side walls (77,79) disposed on the outside of the side walls of the rocker arm (57). A connection portion (81) interconnects the clip side walls to restrain axial movement of the mounting shaft (31) and of the pin member (67).
    Type: Application
    Filed: July 2, 2004
    Publication date: January 27, 2005
    Inventors: Sergio Ferracin, Majo Cecur