Patents by Inventor Peter Tilch

Peter Tilch 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).

  • Casting mould and piston produced with the casting mould
    Patent number: 10391552
    Abstract: A casting mold for casting a piston for an internal combustion engine may include a mold body having a surface texture in a region corresponding to a subsequent internal surface of a piston skirt. The surface texture may be defined by a plurality of grooves. The plurality of grooves may have the following dimension: a depth of 0.2 mm<t<0.5 mm, a width of 0.02 mm<b<0.05 mm, and at least two groove walls which are inclined outwardly at 0°<?<10°.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: August 27, 2019
    Assignee: Mahle International GmbH
    Inventors: Peter Tilch, Dieter Zarges
  • CASTING MOULD AND PISTON PRODUCED WITH THE CASTING MOULD
    Publication number: 20160236273
    Abstract: A casting mold for casting a piston for an internal combustion engine may include a mold body having a surface texture in a region corresponding to a subsequent internal surface of a piston skirt. The surface texture may be defined by a plurality of grooves. The plurality of grooves may have the following dimension: a depth of 0.2 mm<t<0.5 mm, a width of 0.02 mm<b<0.05 mm, and at least two groove walls which are inclined outwardly at 0°<?<10°.
    Type: Application
    Filed: September 23, 2014
    Publication date: August 18, 2016
    Applicant: Mahle International GmbH
    Inventors: Peter Tilch, Dieter Zarges
  • Method for producing a box piston
    Patent number: 6546993
    Abstract: The invention relates to a casting method for producing a box piston which comprises recesses between the hub support and the ring band. The invention aims to further reduce the weight of the piston. The casting cores which produce the recesses can therefore be pivoted during stripping.
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: April 15, 2003
    Assignee: Mahle GmbH
    Inventor: Peter Tilch