Patents by Inventor Joaquim Manoel Goncalves

Joaquim Manoel Goncalves 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).

  • Refrigeration system with intermediate pressure vapor supply valve
    Patent number: 8671704
    Abstract: A refrigeration system includes a compressor; a condenser connected to a first inlet of a separator which has: a vapor outlet connected to the compressor and a liquid outlet connected to an evaporator; a selecting valve having: a first vapor inlet connected to the evaporator; a second vapor inlet connected to the separator; and a vapor outlet connected to the compressor, the selecting valve being operated to selectively and alternatively communicate its first and second vapor inlets with its vapor outlet, so as to allow the compressor to draw vapor from the separator and from the evaporator; and a control unit for controlling the operation of the selecting valve.
    Type: Grant
    Filed: June 15, 2009
    Date of Patent: March 18, 2014
    Assignees: Whirlpool S.A., Universidade Federal de Santa Catarina (UFSC), Autarquia Federal de Regime Especial
    Inventors: Augusto Jose Pereira Zimmermann, Gustavo Portella Montagner, Joaquim Manoel Goncalves
  • REFRIGERATION SYSTEM
    Publication number: 20110197606
    Abstract: The refrigeration system includes a compressor; a condenser connected to a first inlet of a separating means which has: a vapor outlet connected to the compressor and a liquid outlet connected to an evaporator; a selecting valve having: a first vapor inlet connected to the evaporator; a second vapor inlet connected to the separating means; and a vapor outlet connected to the compressor, said selecting valve being operated to selectively and alternatively communicate its first and second vapor inlets with its vapor outlet, so as to allow the compressor to draw vapor from the separating means and from the evaporator; and a control unit for controlling the operation of the selecting valve.
    Type: Application
    Filed: June 15, 2009
    Publication date: August 18, 2011
    Inventors: Augusto Jose Pereira Zimmermann, Gustavo Portella Montagner, Joaquim Manoel Goncalves