Patents by Inventor Mauro Portoso

Mauro Portoso 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).

  • Control valve for vehicle air conditioning systems
    Patent number: 3987642
    Abstract: A control valve for controlling refrigerant circulation in a vehicle air conditioning system has an inlet port and an outlet port for connection to the evaporator and the compressor inlet respectively of the system, and a valve controlling communication between these two ports. First control means in the valve body control the valve in dependence upon one or more external controls including manual controls and second control means control the operation of the valve in dependence upon the thermodynamic conditions, such as the temperature, of the refrigerant fluid.
    Type: Grant
    Filed: June 24, 1975
    Date of Patent: October 26, 1976
    Assignee: Fiat Societa per Azioni
    Inventors: Mauro Portoso, Aldo Tivoli, Marco Peruglia