Patents by Inventor Franz-Peter Allig

Franz-Peter Allig 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).

  • Internal combustion engine piston with cooling channel said piston comprising a sealing element sealing the cooling channel
    Patent number: 8925511
    Abstract: A cooling channel piston has a radially circumferential cooling channel located behind a ring field. The cooling channel piston is forged from a steel material and the cooling channel is worked in by machining between an upper part below the ring field and a lower part above the piston bosses and the piston skirts. The cooling channel extends behind the ring field in the direction of an upper face of the upper part, it being provided that the cooling channel piston has above its piston bosses and piston skirts an outwardly oriented support region. A closing element, which closes the cooling channel after the production thereof, is fastened between the lower edge of the ring field and the support region.
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: January 6, 2015
    Assignee: KS Kolbenschmidt GmbH
    Inventors: Franz-Peter Allig, Wolfgang Köhler, Matthias Laqua
  • INTERNAL COMBUSTION ENGINE PISTON WITH COOLING CHANNEL SAID PISTON COMPRISING A SEALING ELEMENT SEALING THE COOLING CHANNEL
    Publication number: 20110265744
    Abstract: A cooling channel piston has a radially circumferential cooling channel located behind a ring field. The cooling channel piston is forged from a steel material and the cooling channel is worked in by machining between an upper part below the ring field and a lower part above the piston bosses and the piston skirts. The cooling channel extends behind the ring field in the direction of an upper face of the upper part, it being provided that the cooling channel piston has above its piston bosses and piston skirts an outwardly oriented support region. A closing element, which closes the cooling channel after the production thereof, is fastened between the lower edge of the ring field and the support region.
    Type: Application
    Filed: September 15, 2009
    Publication date: November 3, 2011
    Applicant: KS KOLBENSCHMIDT GMBH
    Inventors: Franz-Peter Allig, Wolfgang Köhler, Matthias Laqua