Patents Assigned to Fram-Israelson Enterprises
  • Lubricating oil filter-refiner for internal combustion engines
    Patent number: 4272371
    Abstract: A lubricating oil filter-refiner for internal combustion engines includes an evaporation chamber with an array of relatively thin, corrugated plates for forming a plurality of running oil films from which volatile contaminants evaporate. In order to enhance its efficiency, the evaporation chamber is connected to a vacuum source such as the air intake of an engine.
    Type: Grant
    Filed: February 21, 1980
    Date of Patent: June 9, 1981
    Assignee: Fram-Israelson Enterprises
    Inventors: John R. Moses, Adolph Fram