Patents by Inventor Lukasz BARTNIK

Lukasz BARTNIK 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: 10759510
    Abstract: The present disclosure discusses a method of and an arrangement for the lubrication of a controllable pitch propeller of a marine vessel. The lubrication is based on continuous lubricant circulation from the hydraulic powerpack to the hub and back to the oil tank, when the marine vessel is sailing ahead with propeller blades locked in a desired position. The lubrication is performed by maintaining, at least when the propeller blades are locked in a desired position, a pressure difference between the astern oil chamber and the lubricant chamber for circulating lubricant from the astern oil chamber via the lubricant chamber to the oil tank.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: September 1, 2020
    Assignee: WÄRTSILÄ NETHERLANDS B.V.
    Inventors: Lukasz Bartnik, Robert Vogels
  • Publication number: 20180029680
    Abstract: The present disclosure discusses a method of and an arrangement for the lubrication of a controllable pitch propeller of a marine vessel. The lubrication is based on continuous lubricant circulation from the hydraulic powerpack to the hub and back to the oil tank, when the marine vessel is sailing ahead with propeller blades locked in a desired position. The lubrication is performed by maintaining, at least when the propeller blades are locked in a desired position, a pressure difference between the astern oil chamber and the lubricant chamber for circulating lubricant from the astern oil chamber via the lubricant chamber to the oil tank.
    Type: Application
    Filed: March 5, 2015
    Publication date: February 1, 2018
    Applicant: WÄRTSILÄ NETHERLANDS B.V.
    Inventors: Lukasz BARTNIK, Robert VOGELS