Patents by Inventor Kai KUGELSTADT

Kai KUGELSTADT 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: 11560921
    Abstract: The invention relates to a sealing apparatus for sealing the ball joint of a kingpin comprising at least one holding ring and at least one seal ring, wherein the seal ring is provided at least partially within a groove of the holding ring, and wherein the groove is provided in a radially inwardly disposed region of the holding ring.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: January 24, 2023
    Assignee: LIEBHERR MINING EQUIPMENT COLMAR SAS
    Inventors: Cédric Forestier, Kai Kugelstadt
  • Publication number: 20220297574
    Abstract: The disclosure relates to an overhead line system for supplying electricity to the drive of one or more construction machines for piece good or bulk material transport, wherein the overhead line comprises at least one pair of lines which extend parallel along the route, carry current with opposing polarity and which can be electrically contacted by corresponding current collectors of the construction machines, characterized in that each line is provided at the end with at least one guide forming a feed channel for receiving the head of the current collector, the feed channel converging in the direction of the associated line.
    Type: Application
    Filed: August 17, 2020
    Publication date: September 22, 2022
    Inventors: Cedric FORESTIER, Kai KUGELSTADT
  • Patent number: 11091029
    Abstract: The invention relates to an apparatus for the shape-matching and/or force-fitting fastening of an element, preferably of a tank, to a vehicle frame having at least one upper fastening plate couplable to an upper region of the tank and having at least one lower fastening plate couplable to the tank thereunder, wherein the fastening plates are configured in particular to largely or exclusively conduct the weight force of the tank into a metal top boom plate and/or into a metal bottom boom plate of a longitudinal beam of the vehicle frame.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: August 17, 2021
    Assignee: LIEBHERR-MINING EQUIPMENT COLMAR SAS
    Inventors: Frank Hundertpfund, Kai Kugelstadt
  • Publication number: 20200300291
    Abstract: The invention relates to a sealing apparatus for sealing the ball joint of a kingpin comprising at least one holding ring and at least one seal ring, wherein the seal ring is provided at least partially within a groove of the holding ring, and wherein the groove is provided in a radially inwardly disposed region of the holding ring.
    Type: Application
    Filed: March 29, 2017
    Publication date: September 24, 2020
    Inventors: Cédric FORESTIER, Kai KUGELSTADT
  • Publication number: 20190184821
    Abstract: The invention relates to an apparatus for the shape-matching and/or force-fitting fastening of an element, preferably of a tank, to a vehicle frame having at least one upper fastening plate couplable to an upper region of the tank and having at least one lower fastening plate couplable to the tank thereunder, wherein the fastening plates are configured in particular to largely or exclusively conduct the weight force of the tank into a metal top boom plate and/or into a metal bottom boom plate of a longitudinal beam of the vehicle frame.
    Type: Application
    Filed: August 8, 2017
    Publication date: June 20, 2019
    Inventors: Frank HUNDERTPFUND, Kai KUGELSTADT
  • Patent number: 9963094
    Abstract: The present disclosure relates to a work machine, in particular in the form of a dump truck or of a truck, having a diesel electric traction drive, comprising at least one internal combustion engine, at least one alternator, at least one set of power electronics as well as at least one electric motor, wherein the power electronics are divided into two or more functional modules and at least one, each, functional module has an encapsulated housing.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: May 8, 2018
    Assignee: Liebherr-Mining Equipment Colmar SAS
    Inventors: Burkhard Richthammer, Kai Kugelstadt, Adrien Levaray, Bernd Sommer
  • Patent number: 9771037
    Abstract: The present disclosure relates to a work machine, in particular in the form of a dump truck or of a truck, having a diesel electric traction drive, comprising at least one internal combustion engine, at least one alternator, at least one set of power electronics as well as at least one electric motor, wherein the power electronics are arranged at least partially in the region of a driven driving axle of the work machine.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: September 26, 2017
    Assignee: Liebherr-Mining Equipment Colmar SAS
    Inventors: Kai Kugelstadt, Adrien Levaray, Burkhard Richthammer
  • Patent number: 9718345
    Abstract: The present disclosure relates to a dump truck or to a truck, comprising a diesel electric traction drive and a cooling system, wherein two radiator fans and/or cooler blowers of the cooling system are hydraulically driven.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: August 1, 2017
    Assignee: Liebherr-Mining Equipment Colmar SAS
    Inventors: Sebastien Nicolas Hoffmann, Kai Kugelstadt, Burkhard Richthammer, Klaus Graner
  • Patent number: 9604532
    Abstract: The present disclosure relates to a mobile work machine, in particular in the form of a dump truck or truck, comprising a diesel electric traction drive and a cooling system, wherein a common cooling circuit of the liquid cooling medium is provided for the parallel cooling of one or more components of the power electronics and for the cooling of one or more drive components in the region of the driven vehicle axle.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: March 28, 2017
    Assignee: Liebherr-Mining Equipment Colmar SAS
    Inventors: Sebastien Nicolas Hoffmann, Kai Kugelstadt, Burkhard Richthammer
  • Publication number: 20150352943
    Abstract: The present disclosure relates to a mobile work machine, in particular in the form of a dump truck or truck, comprising a diesel electric traction drive and a cooling system, wherein a common cooling circuit of the liquid cooling medium is provided for the parallel cooling of one or more components of the power electronics and for the cooling of one or more drive components in the region of the driven vehicle axle.
    Type: Application
    Filed: June 4, 2015
    Publication date: December 10, 2015
    Inventors: Sebastien Nicolas Hoffmann, Kai Kugelstadt, Burkhard Richthammer
  • Publication number: 20150352944
    Abstract: The present disclosure relates to a dump truck or to a truck, comprising a diesel electric traction drive and a cooling system, wherein two radiator fans and/or cooler blowers of the cooling system are hydraulically driven.
    Type: Application
    Filed: June 4, 2015
    Publication date: December 10, 2015
    Inventors: Sebastien Nicolas Hoffmann, Kai Kugelstadt, Burkhard Richthammer, Klaus Graner
  • Publication number: 20150251611
    Abstract: The present disclosure relates to a work machine, in particular in the form of a dump truk or of a truck, having a diesel electric traction drive, comprising at least one internal combustion engine, at least one alternator, at least one set of power electronics as well as at least one electric motor, wherein the power electronics are divided into two or more functional modules and at least one, each, functional module has an encapsulated housing.
    Type: Application
    Filed: March 5, 2015
    Publication date: September 10, 2015
    Inventors: Burkhard RICHTHAMMER, Kai KUGELSTADT, Adrien LEVARAY, Bernd SOMMER
  • Publication number: 20150251610
    Abstract: The present disclosure relates to a work machine, in particular in the form of a dump truck or of a truck, having a diesel electric traction drive, comprising at least one internal combustion engine, at least one alternator, at least one set of power electronics as well as at least one electric motor, wherein the power electronics are arranged at least partially in the region of a driven driving axle of the work machine.
    Type: Application
    Filed: March 5, 2015
    Publication date: September 10, 2015
    Inventors: Kai KUGELSTADT, Adrien LEVARAY, Burkhard RICHTHAMMER