Patents Assigned to Aspera A.p.A.
  • Hermetic motor compressor for refrigeration systems and the like
    Patent number: 4518326
    Abstract: The motor compressor comprises a hermetic casing in which are mounted a reciprocating compressor and a reversible electric motor having a common vertical shaft with an axial duct for conveying lubricating oil from a centrifugal pump located at the lower end of the shaft to an outlet located at its upper end. The outlet of the axial duct is constituted by an elbow tube which is fixed to the upper end of the shaft and has an inclined end portion extending upwardly and radially outwardly with respect to the axis of the shaft.
    Type: Grant
    Filed: September 7, 1982
    Date of Patent: May 21, 1985
    Assignee: Aspera A.p.A.
    Inventors: Federigo Peruzzi, Marek Zgliczynski