Patents by Inventor Kalevi Eskelinen

Kalevi Eskelinen 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).

  • Patent number: 5540533
    Abstract: A mass discharger for discharging a bulk mass from a container, such as a silo. The discharger includes a scraper conveyor jointed next to the edge of the side of the discharge end of the container and extending essentially the length of the container and over the edge. The scraper conveyor includes an endless conveyor chain having attached scrapers and a second joint between longitudinal ends of the chain such that the scraper conveyor rests against the discharge side and the bottom of the container while it is emptying it from the upper surface of the bulk mass. The discharger includes lifting devices for raising the scraper conveyor to an upper position for filling of the silo.
    Type: Grant
    Filed: August 22, 1994
    Date of Patent: July 30, 1996
    Inventor: Kalevi Eskelinen
  • Patent number: 4485513
    Abstract: A washing machine for a waste container or for any other container of a relatively large size is designed so as to be attached preferably to a vehicle, such as a lorry, for example as a unit with a frame of an exchangeable platform. The washing machine (1) comprises at least one rotable brush (2), which consists of a tubular brush body (3), from which the brush fibres project preferably radially, and of nozzle means for spraying the washing liquid onto the object to be washed. According to the invention, for the purpose of moving the brush (2) along a path of movement substantially of a shape of a rectangle or square in the normal plane of the axis (4) of rotation of the brush, the washing machine (1) comprises guide means (5, 6) and a drive gear (7) for moving the brush (2) in the normal plane of its axis (4) in one direction back and forth.
    Type: Grant
    Filed: March 17, 1983
    Date of Patent: December 4, 1984
    Assignee: Vihta-Auto ja Kone Oy
    Inventor: Kalevi Eskelinen