Patents by Inventor Erik LADUFJÄLL

Erik LADUFJÄLL 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: 10584760
    Abstract: The present invention relates to a flow adjusting device (1) for a shock absorber for a vehicle, the shock absorber comprising a cylinder (21) and a piston (22) dividing the cylinder into at least a first and a second working chamber (23,24). The flow adjusting device is adapted to control at least a first damping medium flow (F1) and a second damping medium flow (F2) adapted to flow from at least one of the working chambers and comprises at least a first valve (2), adapted to control the first flow, and a second valve (3), adapted to control the second flow. The first valve and said second valve are jointly adjusted. The present invention further relates to a shock absorber comprising such a device and a front fork comprising such a shock absorber.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: March 10, 2020
    Assignee: ÖHLINS RACING AB
    Inventors: Leif Gustafsson Vallander, Torkel Sintorn, Johan Jarl, Erik Ladufjäll
  • Patent number: 10370058
    Abstract: The present invention relates to a removable insert system (R) for a telescopic fork leg (1) of a bicycle, said telescopic fork leg (1) comprising outer and inner legs (1b, a), wherein said removable insert system comprises a piston and piston rod arrangement (6, 8) comprising a piston rod (8) arranged at least partly within a first tube (7), said removable insert system (R)being removably arranged within at least one of said inner legs (1a) such that, when being mounted in said inner leg, the removable insert system is adapted to form a damping system (D) with said inner leg, and wherein said inner leg and said first tube are both acted upon by a flow of medium created by compression and expansion movements of the fork legs, said damping system further comprising medium flow passages (C1, C2) that are parallel in relation to each other, and that run between the upper and lower sides of said piston (6)The invention also relates to a damping cartridge kit (DC) for upgrading a telescopic fork leg of a bicycle,
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: August 6, 2019
    Assignee: OHLINS RACING AB
    Inventors: Torkel Sintorn, Erik Ladufjäll
  • Publication number: 20170321781
    Abstract: The present invention relates to a flow adjusting device (1) for a shock absorber for a vehicle, the shock absorber comprising a cylinder (21) and a piston (22) dividing the cylinder into at least a first and a second working chamber (23,24). The flow adjusting device is adapted to control at least a first damping medium flow (F1) and a second damping medium flow (F2) adapted to flow from at least one of the working chambers and comprises at least a first valve (2), adapted to control the first flow, and a second valve (3), adapted to control the second flow. The first valve and said second valve are jointly adjusted. The present invention further relates to a shock absorber comprising such a device and a front fork comprising such a shock absorber.
    Type: Application
    Filed: November 13, 2015
    Publication date: November 9, 2017
    Inventors: Torkel SINTORN, Johan JARL, Erik LADUFJÄLL