Patents by Inventor Francesco Del Medico

Francesco Del Medico 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).

  • Pressure equalizer
    Patent number: 10711799
    Abstract: Systems and methods for maintaining a desired differential pressure between a cooling oil of an electric motor and a process gas working fluid of a compressor connected axially to the electric motor. The cooling oil acts as a coolant for the motor compartment of the electric motor and the gas working fluid acts as a coolant for the rotor compartment of the electric motor. At least one bellow is configured to provide two sealed compartments in a pressure equalizer and a spring means is configured to add a differential pressure to the cooling oil, assuring no leaks between the two fluids flows from the cooling oil to the process gas working fluid and no contact of the process gas working fluid with the electric motor stator, in particular electric motor laminations and electric motor windings.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: July 14, 2020
    Assignee: NUOVO PIGNONE SRL
    Inventors: Massimiliano Mariotti, Claudia Cagnarini, Francesco Del Medico
  • PRESSURE EQUALIZER
    Publication number: 20150093256
    Abstract: Systems and methods for maintaining a desired differential pressure between a cooling oil of an electric motor and a process gas working fluid of a compressor connected axially to the electric motor. The cooling oil acts as a coolant for the motor compartment of the electric motor and the gas working fluid acts as a coolant for the rotor compartment of the electric motor. At least one bellow is configured to provide two sealed compartments in a pressure equalizer and a spring means is configured to add a differential pressure to the cooling oil, assuring no leaks between the two fluids flows from the cooling oil to the process gas working fluid and no contact of the process gas working fluid with the electric motor stator, in particular electric motor laminations and electric motor windings.
    Type: Application
    Filed: May 8, 2013
    Publication date: April 2, 2015
    Inventors: Massimiliano Mariotti, Claudia Cagnarini, Francesco Del Medico