Patents by Inventor VINCENZO ZACCURI

VINCENZO ZACCURI 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).

  • Variable displacement lubricant pump
    Patent number: 11698071
    Abstract: A variable displacement lubricant pump includes a housing, a control ring arranged in the housing, an inlet chamber and an outlet chamber, and a lateral slide bearing. The control ring is shiftable, radially confines a pumping chamber, and comprises a drainage channel. The outlet chamber and the inlet chamber are arranged at opposite lateral sides of the control ring. The lateral slide bearing is arranged at the lateral side of the control ring where the outlet chamber is arranged and comprises a first lateral slide bearing surface defined by the static housing, a second lateral slide bearing surface arranged opposite to the first lateral slide bearing surface which is defined by the control ring, and a lateral slide bearing gap defined between the first and second lateral slide bearing surfaces. The drainage channel of the control ring fluidically connects the lateral slide bearing gap with the inlet chamber.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: July 11, 2023
    Assignee: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Massimiliano Lazzerini, Carmine Cuneo, Fabio Guglielmo, Vincenzo Zaccuri
  • VARIABLE DISPLACEMENT LUBRICANT PUMP
    Publication number: 20220228588
    Abstract: A variable displacement lubricant pump includes a housing, a control ring arranged in the housing, an inlet chamber and an outlet chamber, and a lateral slide bearing. The control ring is shiftable, radially confines a pumping chamber, and comprises a drainage channel. The outlet chamber and the inlet chamber are arranged at opposite lateral sides of the control ring. The lateral slide bearing is arranged at the lateral side of the control ring where the outlet chamber is arranged and comprises a first lateral slide bearing surface defined by the static housing, a second lateral slide bearing surface arranged opposite to the first lateral slide bearing surface which is defined by the control ring, and a lateral slide bearing gap defined between the first and second lateral slide bearing surfaces. The drainage channel of the control ring fluidically connects the lateral slide bearing gap with the inlet chamber.
    Type: Application
    Filed: May 29, 2019
    Publication date: July 21, 2022
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: MASSIMILIANO LAZZERINI, CARMINE CUNEO, FABIO GUGLIELMO, VINCENZO ZACCURI