Patents by Inventor Juho Seppälä

Juho Seppälä 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).

  • Method and apparatus for controlling rock drilling
    Patent number: 9033065
    Abstract: Method and apparatus for controlling rock drilling with a percussion device belonging to a rock drill to deliver stress waves to rock through a tool by pushing the tool against the rock by means of a feed motor and rotating simultaneously the tool by means of a rotation motor, whereby the maximum feed force is determined, pressure medium is supplied to the feed motor and to the rotation motor and the feed force is controlled according to the drilling conditions. The feed force is controlled on the basis of the feed speed and the rotation torque. The apparatus has a load control valve which controls the feed.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: May 19, 2015
    Assignee: Sandvik Mining and Construction Oy
    Inventors: Jarno Viitaniemi, Vesa Peltonen, Markus Saarela, Juho Seppälä
  • Method And Apparatus For Controlling Rock Drilling
    Publication number: 20120097449
    Abstract: Method and apparatus for controlling rock drilling with a percussion device belonging to a rock drill to deliver stress waves to rock through a tool by pushing the tool against the rock by means of a feed motor and rotating simultaneously the tool by means of a rotation motor, whereby the maximum feed force is determined, pressure medium is supplied to the feed motor and to the rotation motor and the feed force is controlled according to the drilling conditions. The feed force is controlled on the basis of the feed speed and the rotation torque. The apparatus has a load control valve which controls the feed.
    Type: Application
    Filed: May 28, 2010
    Publication date: April 26, 2012
    Inventors: Jarno Viitaniemi, Vesa Peltonen, Markus Saarela, Juho Seppälä