Patents by Inventor Nils-Erik Bånkestad

Nils-Erik Bånkestad 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: 7856301
    Abstract: Method and device for controlling a machine which is intended to be operated in several different operating states, the machine being intended to utilize different types of equipment in at least two of these operating states for different activities. The device includes a means (1) which is intended to be actuated and which can be set in a number of different positions (2-6), and each of these positions corresponds to one of the operating states.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: December 21, 2010
    Assignee: Volvo Construction Equipment AB
    Inventors: Joakim Sjögren, Bo Vigholm, Nils-Erik Bånkestad, Sven-Alie Carlsson, Gunnar Löwestrand
  • Patent number: 7571604
    Abstract: A method and arrangement for controlling a function of a work implement utilizing a device including a source of pressurized fluid (1), a circuit of pressurized fluid (2) for driving the work implement, an electronically controlled hydraulic valve (5) being arranged in the circuit of pressurized fluid (2) for controlling the function of the work implement, a control unit (4) for controlling the hydraulic valve (5) based upon a signal from a control member (3) for transmitting a control command to the control unit (4), wherein the control unit (4) is arranged for controlling the hydraulic valve (5) in accordance with a smooth mode function or an abrupt mode function. The opening time for opening the hydraulic valve (5) to a predetermined opening degree is changed when switching from one operating mode function to the other operating mode function.
    Type: Grant
    Filed: October 19, 2006
    Date of Patent: August 11, 2009
    Assignee: Volvo Contruction Equipment AB
    Inventors: Bo Vigholm, Nils-Erik Bånkestad, Rauno Räisanen