Patents by Inventor Christian Wargh

Christian Wargh 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: 9429213
    Abstract: A multi-clutch transmission is provided with a first and a second input frictional clutch, an input arrangement for establishing a driving connection of a prime mover and the first and second frictional clutches, and a main transmission. The main transmission has a first and a second rotational axis about which a main shaft and a countershaft is arranged respectively, an output shaft and connection means for establishing a driving connection between the main shaft and the output shaft, and least two input shafts, which are connected to the first and second input frictional clutch, and a reverse shaft provided with a first reverse gear wheel. A reverse gear is achieved by transferring power over the reverse shaft to the output shaft.
    Type: Grant
    Filed: January 13, 2012
    Date of Patent: August 30, 2016
    Assignee: Volvo Lastvagnar AB
    Inventors: Anders Hedman, Daniel Stàlberg, Christian Wargh
  • Patent number: 9067575
    Abstract: A vehicle and a brake system for a vehicle include at least one hydraulic pump, wherein the at least one hydraulic pump is connected to an input fluid conduit and an output fluid conduit. A flow resistance unit is provided in the output fluid conduit of the at least one hydraulic pump for being selectively coupled into the output fluid conduit when brake torque is requested.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: June 30, 2015
    Assignee: Volvo Construction Equipment AB
    Inventors: Christian Wargh, Mats Akerblom, Daniel Jansson
  • Publication number: 20150020624
    Abstract: A multi-clutch transmission is provided with a first and a second input frictional clutch, an input arrangement for establishing a driving connection of a prime mover and the first and second frictional clutches, and a main transmission. The main transmission has a first and a second rotational axis about which a main shaft and a countershaft is arranged respectively, an output shall and connection means for establishing a driving connection between the main shaft and the output shaft, and least two input shafts, which are connected to the first and second input frictional clutch, and a reverse shaft provided with a first reverse gear wheel. A reverse gear is achieved by transferring power over the reverse shaft to the output shaft.
    Type: Application
    Filed: January 13, 2012
    Publication date: January 22, 2015
    Applicant: VOLVO LASTVAGNAR AB
    Inventors: Anders Hedman, Daniel Stalberg, Christian Wargh
  • Patent number: 8746385
    Abstract: A hub unit includes an electric machine adapted for driving a wheel. The hub unit includes at least two planetary gears coupled in series between the electric machine and a wheel hub, and a gear shifting device for connecting and disconnecting, respectively, one of the planetary gears from being drivingly connected to the electric machine.
    Type: Grant
    Filed: May 18, 2013
    Date of Patent: June 10, 2014
    Assignee: Volvo Construction Equipment AB
    Inventors: Christian Wargh, Mats Åkerblom
  • Publication number: 20130252775
    Abstract: A hub unit includes an electric machine adapted for driving a wheel. The hub unit includes at least two planetary gears coupled in series between the electric machine and a wheel hub, and a gear shifting device for connecting and disconnecting, respectively, one of the planetary gears from being drivingly connected to the electric machine.
    Type: Application
    Filed: May 18, 2013
    Publication date: September 26, 2013
    Applicant: Volvo Constructions Equipment AB
    Inventors: Christian WARGH, Mats Åkerblom
  • Patent number: 8505658
    Abstract: A hub unit includes an electric machine adapted for driving a wheel. The hub unit includes at least two planetary gears coupled in series between the electric machine and a wheel hub, and a gear shifting device for connecting and disconnecting, respectively, one of the planetary gears from being drivingly connected to the electric machine.
    Type: Grant
    Filed: December 6, 2006
    Date of Patent: August 13, 2013
    Assignee: Volvo Construction Equipment AB
    Inventors: Christian Wargh, Mats Akerblom
  • Publication number: 20110131967
    Abstract: A vehicle and a brake system for a vehicle include at least one hydraulic pump, wherein the at least one hydraulic pump is connected to an input fluid conduit and an output fluid conduit. A flow resistance unit is provided in the output fluid conduit of the at least one hydraulic pump for being selectively coupled into the output fluid conduit when brake torque is requested.
    Type: Application
    Filed: August 29, 2008
    Publication date: June 9, 2011
    Applicant: VOLVO CONSTRUCTION EQUIPMENT AB
    Inventors: Christian Wargh, Mats Akerblom, Daniel Jansson
  • Publication number: 20100294576
    Abstract: A hub unit includes an electric machine adapted for driving a wheel. The hub unit includes at least two planetary gears coupled in series between the electric machine and a wheel hub, and a gear shifting device for connecting and disconnecting, respectively, one of the planetary gears from being drivingly connected to the electric machine.
    Type: Application
    Filed: December 6, 2006
    Publication date: November 25, 2010
    Inventors: Christian Wargh, Mats Akerblom
  • Patent number: 7779952
    Abstract: The invention relates to a drive system for a vehicle driveline comprising a pair of interconnected first transverse drive shafts (31a, 31b) extending in opposite directions, each of which supports a ground engaging member, and a first arrangement (101) allowing said pair of first transverse drive shafts to rotate at different speeds. Said arrangement (101) comprises a pair of individually selectively engagable clutches (37a, 37b), one clutch for each transverse drive shaft, and each of said clutches (37a, 37b) is configured for engaging and disengaging, respectively, the associated transverse drive shaft (31a, 31b) to a driving connection with a source of motive power.
    Type: Grant
    Filed: December 21, 2004
    Date of Patent: August 24, 2010
    Assignee: Volvo Construction Equipment Holding Sweden AB
    Inventors: Thomas Andersson, Jonny Strandberg, Christian Wargh
  • Publication number: 20080290724
    Abstract: A wheel axle bearing arrangement includes a wheel axle housing and a wheel axle support, which is configured to be rigidly connected to a vehicle frame, and a bearing arrangement configured to pivotably mount the wheel axle housing relative to the wheel axle support. The bearing arrangement includes at least two bearing sleeves arranged side by side.
    Type: Application
    Filed: December 15, 2005
    Publication date: November 27, 2008
    Applicant: Volvo Construction Equipment Holding Sweden AB
    Inventors: Christian Wargh, Bertil Lindell
  • Publication number: 20080087485
    Abstract: The invention relates to a drive system for a vehicle driveline comprising a pair of interconnected first transverse drive shafts (31a, 31b) extending in opposite directions, each of which supports a ground engaging member, and a first arrangement (101) allowing said pair of first transverse drive shafts to rotate at different speeds. Said arrangement (101) comprises a pair of individually selectively engagable clutches (37a, 37b), one clutch for each transverse drive shaft, and each of said clutches (37a, 37b) is configured for engaging and disengaging, respectively, the associated transverse drive shaft (31a, 31b) to a driving connection with a source of motive power.
    Type: Application
    Filed: December 21, 2004
    Publication date: April 17, 2008
    Applicant: VOLVO CONSTRUCTION EQUIPMENT HOLDING SWEDEN AB
    Inventors: Thomas Andersson, Jonny Strandberg, Christian Wargh