Patents by Inventor Bechir MOKDAD

Bechir MOKDAD 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: 11732775
    Abstract: The present disclosure shows a crankshaft having at least one counterweight that is preferably screwed to the crankshaft via at least two screws, with the counterweight having a contact surface at which it contacts a counter-contact surface of the crankshaft. In this respect, the position of the counterweight at the crankshaft is fixed via at least one positioning element independent of the screw connection.
    Type: Grant
    Filed: February 2, 2022
    Date of Patent: August 22, 2023
    Assignee: Liebherr-Components Colmar SAS
    Inventors: Bechir Mokdad, Yves-Antoine Rogard
  • Publication number: 20220243783
    Abstract: The present disclosure shows a crankshaft having at least one counterweight that is preferably screwed to the crankshaft via at least two screws, with the counterweight having a contact surface at which it contacts a counter-contact surface of the crankshaft. In this respect, the position of the counterweight at the crankshaft is fixed via at least one positioning element independent of the screw connection.
    Type: Application
    Filed: February 2, 2022
    Publication date: August 4, 2022
    Inventors: Bechir MOKDAD, Yves-Antoine ROGARD
  • Patent number: 11401996
    Abstract: The present invention provides an internal combustion engine comprising a crankshaft, the crankshaft comprising main bearing journals and cranks for connecting the crankshaft to piston rods of the engine, wherein the crankshaft is provided with counterweights, wherein at least a first counterweight is formed as a separate element and connected to the crankshaft. The present invention is characterized in that at least a second counterweight is formed integrally with the crankshaft.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: August 2, 2022
    Assignee: Liebherr-Components Colmar SAS
    Inventors: Bechir Mokdad, Yves-Antoine Rogard
  • Patent number: 10774736
    Abstract: The present invention comprises a V-type 4-stroke internal combustion engine with 16 cylinders, having a counter-clockwise direction of rotation, comprising a firing sequence controller that fires the cylinders A1 to A8 and B1 to B8 in at least one of the following firing sequences, wherein the direction of rotation and the cylinder numbering is defined in accordance with DIN ISO 1204: a) A1-B7-A2-B6-A3-B5-A5-B1-A8-B2-A7-B3-A6-B4-A4-B8 b) A1-B7-A2-B6-A6-B4-A5-B1-A8-B2-A7-B3-A3-B5-A4-B8 c) A1-B7-A2-B5-A4-B3-A6-B1-A8-B2-A7-B4-A5-B6-A3-B8 d) A1-B4-A4-B6-A3-B7-A2-B8-A8-B5-A5-B3-A6-B2-A7-B1 e) A1-B5-A5-B3-A6-B2-A7-B1-A8-B4-A4-B6-A3-B7-A2-B8.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: September 15, 2020
    Assignee: LIEBHERR-COMPONENTS COLMAR SAS
    Inventor: Bechir Mokdad
  • Patent number: 10746096
    Abstract: A V-type 4-stroke internal combustion engine having 20 cylinders, having a counterclockwise or clockwise direction of rotation, comprising a crankshaft with a torsional vibration damper and a flywheel arranged on the crankshaft, wherein the crankshaft has crank throws forming a crank star, wherein in each case the piston rods of the two cylinders of a V-segment are connected to the same crank throw, wherein the crank throws C1 to C10 have one of the following angular sequences in the direction of rotation of the engine when seen from the side of the flywheel, with the crank throws numbered as C1 to C10 when starting from the side of the flywheel: (i) C1-C9-C4-C6-C3-C10-C2-C7-C5-C8, (ii) C1-C8-C5-C7-C2-C10-C3-C6-C4-C9, (iii) C1-C9-C5-C7-C3-C10-C2-C6-C4-C8, (iv) C1-C9-C7-C3-C6-C10-C2-C4-C8-C5, (v) C1-C7-C5-C8-C2-C10-C4-C6-C3-C9, (vi) C1-C9-C7-C3-C5-C10-C2-C4-C8-C6, (vii) C1-C6-C8-C4-C2-C10-C5-C3-C7-C9, (viii) C1-C5-C8-C4-C2-C10-C6-C3-C7-C9, (ix) C1-C8-C4-C6-C2-C10-C3-C7-C5-C9.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: August 18, 2020
    Assignee: LIBBHERR-COMPONENTS COLMAR SAS
    Inventors: Béchir Mokdad, Christoph Henninger
  • Publication number: 20200011397
    Abstract: The present invention provides an internal combustion engine comprising a crankshaft, the crankshaft comprising main bearing journals and cranks for connecting the crankshaft to piston rods of the engine, wherein the crankshaft is provided with counterweights, wherein at least a first counterweight is formed as a separate element and connected to the crankshaft. The present invention is characterized in that at least a second counterweight is formed integrally with the crankshaft.
    Type: Application
    Filed: July 3, 2019
    Publication date: January 9, 2020
    Inventors: Bechir MOKDAD, Yves-Antoine ROGARD
  • Publication number: 20190353094
    Abstract: The present invention comprises a V-type 4-stroke internal combustion engine having (20) cylinders, having a counterclockwise or clockwise direction of rotation, comprising a crankshaft, a torsional vibration damper and a flywheel arranged on the crankshaft, wherein the crankshaft has (10) crank throws forming a crank star, wherein in each case the piston rods of the two cylinders of a V-segment are connected to the same crank throw, wherein the crank throws C1 to C10 have one of the following angular sequences in the direction of rotation of the engine when seen from the side of the flywheel, with the crank throws numbered as C1 to C10 when starting from the side of the flywheel: i) C1, C9, C4, C6, C3, C10, C2, C7, C5, C8 ii) C1, C8, C5, C7, C2, C10, C3, C6, C4, C9 iii) C1, C9, C5, C7, C3, C10, C2, C6, C4, C8 iv) C1, C9, C7, C3, C6, C10, C2, C4, C8, C5 v) C1, C7, C5, C8, C2, C10, C4, C6, C3, C9 vi) C1, C9, C7, C3, C5, C10, C2, C4, C8, C6 vii) C1, C6, C8, C4, C2, C10, C5, C3, C7, C9 viii) C1, C5, C8, C4, C2,
    Type: Application
    Filed: January 19, 2018
    Publication date: November 21, 2019
    Inventors: Béchir MOKDAD, Christoph HENNINGER
  • Publication number: 20190249598
    Abstract: The present invention comprises a V-type 4-stroke internal combustion engine with 16 cylinders, having a counter-clockwise direction of rotation, comprising a firing sequence controller that fires the cylinders A1 to A8 and B1 to B8 in at least one of the following firing sequences, wherein the direction of rotation and the cylinder numbering is defined in accordance with DIN ISO 1204: a) A1-B7-A2-B6-A3-B5-A5-B1-A8-B2-A7-B3-A6-B4-A4-B8 b) A1-B7-A2-B6-A6-B4-A5-B1-A8-B2-A7-B3-A3-B5-A4-B8 c) A1-B7-A2-B5-A4-B3-A6-B1-A8-B2-A7-B4-A5-B6-A3-B8 d) A1-B4-A4-B6-A3-B7-A2-B8-A8-B5-A5-B3-A6-B2-A7-B1 e) A1-B5-A5-B3-A6-B2-A7-B1-A8-B4-A4-B6-A3-B7-A2-B8.
    Type: Application
    Filed: July 18, 2017
    Publication date: August 15, 2019
    Inventor: Bechir MOKDAD