Patents Assigned to Intreprinderea de Radiatoare Si Cabluri Brasov
  • Process for the attenuation of electro-corrosion in cooler assemblies soldered by thermal bath immersion
    Patent number: 4153195
    Abstract: A process for soldering aluminum fins to cooling pipes made of aluminum, copper, brass or steel to produce a cooling assembly. The fins are etched in the solution of sodium hydroxide, zinc chloride, technical urea and water and the cooling pipes are coated with a fusible alloy which is covered with a protective coating for attenuating electro-corrosion between the alloy and the aluminum fins. The aluminum fins are then mounted on the cooling pipes and soldered thereto in a thermal bath.
    Type: Grant
    Filed: June 23, 1978
    Date of Patent: May 8, 1979
    Assignee: Intreprinderea de Radiatoare Si Cabluri Brasov
    Inventors: Dan A. Barozzi, Valentin Calin, Zsigmond Peter