Patents by Inventor Lorenzo LORENZI

Lorenzo LORENZI 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).

  • Airfoil machine components polishing method
    Patent number: 10722996
    Abstract: A polishing method is described for polishing a machine component comprising at least one airfoil portion comprised of a suction side, a pressure side, a leading edge and a trailing edge. The method provides for arranging the machine component in a container and constraining the machine component to the container. A polishing mixture is added in the container, and the container is caused to vibrate together with the machine component constrained thereto, thereby generating a polishing mixture flow along the airfoil portion until a final arithmetic average roughness is achieved.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: July 28, 2020
    Assignee: NUOVO PIGNONE SRL
    Inventors: Lorenzo Bianchi, Lorenzo Lorenzi, Ferruccio Petroni, Paolo Mola
  • Method for making an impeller from sector segments
    Patent number: 9945388
    Abstract: A manufacturing technique for impellers for a centrifugal rotating machine is provided. The impeller is made by composition of single vanes pieces that fit to the hub or directly to the rotor shaft by welding, friction welding or a mechanical locking system. The manufacturability of the segments is easy fast and cheap and make it possible to use advanced manufacturing technologies like additive manufacturing of the type of Direct Metal Laser Melting.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: April 17, 2018
    Assignee: Nuovo Pignone Srl
    Inventors: Sergio Palomba, Lorenzo Lorenzi, Lorenzo Bianchi
  • AIRFOIL MACHINE COMPONENTS POLISHING METHOD
    Publication number: 20160229022
    Abstract: A polishing method is described for polishing a machine component comprising at least one airfoil portion comprised of a suction side, a pressure side, a leading edge and a trailing edge. The method provides for arranging the machine component in a container and constraining the machine component to the container. A polishing mixture is added in the container, and the container is caused to vibrate together with the machine component constrained thereto, thereby generating a polishing mixture flow along the airfoil portion until a final arithmetic average roughness is achieved.
    Type: Application
    Filed: October 14, 2014
    Publication date: August 11, 2016
    Inventors: Lorenzo BIANCHI, Lorenzo LORENZI, Ferruccio PETRONI, Paolo MOLA
  • METHOD FOR MAKING AN IMPELLER FROM SECTOR SEGMENTS
    Publication number: 20160003257
    Abstract: A manufacturing technique for impellers for a centrifugal rotating machine is provided. The impeller is made by composition of single vanes pieces that fit to the hub or directly to the rotor shaft by welding, friction welding or a mechanical locking system. The manufacturability of the segments is easy fast and cheap and make it possible to use advanced manufacturing technologies like additive manufacturing of the type of Direct Metal Laser Melting.
    Type: Application
    Filed: February 19, 2014
    Publication date: January 7, 2016
    Applicant: Nuovo Pignone Srl
    Inventors: Sergio PALOMBA, Lorenzo LORENZI, Lorenzo BIANCHI