Patents by Inventor Marek FIRCZYK

Marek FIRCZYK 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: 9950560
    Abstract: A vibration and noise damper for wheels of rail vehicles, to which wheels it is fastened with screws, pins, or rivets, which comprises of at least two segments formed by a supporting part (2) for gripping to the wheel (1), a pushing part (3) and a damping part (4), where the pushing part (3) is connected by means of bolts (9) with the supporting part (2) and is formed either by a single metal or composite element, or it is directly integral part of the damping part (4) and where the damping part (4) is formed in the direction away from the wheel (1) rim of a strain pliable metal or composite layer (4a), of a viscoelastic layer (4b), and possibly of other metal or composite layer (4c), wherein in compressed state the damping part (4) is placed between the pushing part (3) and the wheel (1) rim. Preferably, the supporting part (2) is formed of metal or composite material.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: April 24, 2018
    Assignee: BONATRANS GROUP A.S.
    Inventors: Tomás Bohác, Marek Firczyk, Hubert Tasek
  • Publication number: 20160297238
    Abstract: A vibration and noise damper for wheels of rail vehicles, to which wheels it is fastened with screws, pins, or rivets, which comprises of at least two segments formed by a supporting part (2) for gripping to the wheel (1), a pushing part (3) and a damping part (4), where the pushing part (3) is connected by means of bolts (9) with the supporting part (2) and is formed either by a single metal or composite element, or it is directly integral part of the damping part (4) and where the damping part (4) is formed in the direction away from the wheel (1) rim of a strain pliable metal or composite layer (4a), of a viscoelastic layer (4b), and possibly of other metal or composite layer (4c), wherein in compressed state the damping part (4) is placed between the pushing part. (3) and the wheel (1) rim. Preferably, the supporting part (2) is formed of metal or composite material.
    Type: Application
    Filed: October 17, 2014
    Publication date: October 13, 2016
    Inventors: Tomás BOHÁC, Marek FIRCZYK, Hubert TASEK