Patents Assigned to promarin Propeller und Marinetechnik GmbH
  • Patent number: 11358692
    Abstract: A propeller for a water vehicle is provided, comprising a hub and at least two blades, said blades extending outwards from the hub in the radial direction, and the propeller having a uniform blade distribution. The problem addressed by the invention is to provide a propeller for a water vehicle which allows unwanted generation of noise to be efficiently reduced or avoided. According to the invention, the angular distance between the blade tips of two consecutive blades of the propeller varies in relation to the angular distance between the blade tips of two other consecutive blades.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: June 14, 2022
    Assignee: promarin Propeller und Marinetechnik GmbH
    Inventors: Bernd Weinrich, Yannick Eberhard, Jan Breuers-Dressler
  • Publication number: 20200216158
    Abstract: A propeller for a water vehicle is provided, comprising a hub and at least two blades, said blades extending outwards from the hub in the radial direction, and the propeller having a uniform blade distribution. The problem addressed by the invention is to provide a propeller for a water vehicle which allows unwanted generation of noise to be efficiently reduced or avoided. According to the invention, the angular distance between the blade tips of two consecutive blades of the propeller varies in relation to the angular distance between the blade tips of two other consecutive blades.
    Type: Application
    Filed: July 17, 2018
    Publication date: July 9, 2020
    Applicant: promarin Propeller und Marinetechnik GmbH
    Inventors: Bernd Weinrich, Yannick Eberhard, Jan Breuers-Dessler