Patents by Inventor Renzo Imperial

Renzo Imperial 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).

  • Automatic timing governor between crankshaft and camshafts, operating by means of actuators on the shaft connecting chain
    Patent number: 5144920
    Abstract: Governor of the stroke, in internal combustion engines (10) of the stroke between camshafts (13), (14) and crankshaft (12) connected by a continuous belt (20) or chain, to compensate for any effects of wear, assembly errors, stresses due to movement and other factors and, when running speed changes, to set optimum timing values for each speed, comprising actuators (43), (44), operated by an electronic drive unit (50), that determines the variation in length of sections (30), (31) of the belt (20) between the crankshaft (12) and the camshafts (13), (14) and between the latter two, while an automatic belt tightener (21) maintains the tension of the belt (20) constant from one moment to the next.
    Type: Grant
    Filed: July 11, 1991
    Date of Patent: September 8, 1992
    Inventor: Renzo Imperial