20240017810. METHOD FOR CONTROLLING A PROPELLER DRIVE ASSEMBLY simplified abstract (Volvo Penta Corporation)

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METHOD FOR CONTROLLING A PROPELLER DRIVE ASSEMBLY

Organization Name

Volvo Penta Corporation

Inventor(s)

Lennart Arvidsson of Källered (SE)

Johan Tell of Göteborg (SE)

Lars Johansson of Sävedalen (SE)

METHOD FOR CONTROLLING A PROPELLER DRIVE ASSEMBLY - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240017810 titled 'METHOD FOR CONTROLLING A PROPELLER DRIVE ASSEMBLY

Simplified Explanation

The abstract describes a method of controlling a propeller drive assembly for a marine vessel. The assembly includes a propeller drive unit and a housing that can be attached to the vessel's hull. The housing has an inner space and an opening through which the propeller drive unit can move. The assembly also includes a suspension mechanism attached to the housing, which can suspend the propeller drive unit and move it between a stowed position and a deployed position.

The method involves two steps. In the first step, the rotation of each propeller shaft is triggered so that it reaches a predetermined rotational position and stops there. In the second step, the suspension mechanism is triggered to move from the deployed position to the stowed position. Each propeller shaft is equipped with a propeller, and the predetermined position of each propeller shaft ensures that each propeller is at least partly confined within the inner space of the housing when the propeller drive unit is in the stowed position.

  • The patent describes a method of controlling a propeller drive assembly for a marine vessel.
  • The assembly includes a propeller drive unit and a housing that can be attached to the vessel's hull.
  • The housing has an inner space and an opening through which the propeller drive unit can move.
  • The assembly also includes a suspension mechanism attached to the housing, which can suspend the propeller drive unit and move it between a stowed position and a deployed position.
  • The method involves triggering the rotation of each propeller shaft to reach a predetermined rotational position and stop there.
  • The suspension mechanism is then triggered to move from the deployed position to the stowed position.
  • Each propeller shaft is equipped with a propeller, and the predetermined position ensures that each propeller is confined within the inner space of the housing when the propeller drive unit is in the stowed position.

Potential applications of this technology:

  • Marine vessels, such as boats and ships, can benefit from this propeller drive assembly and control method.
  • It can be used in various types of marine vessels, including recreational boats, commercial ships, and military vessels.
  • The ability to stow the propeller drive unit within the housing can provide improved maneuverability and reduced drag when the vessel is not in motion.

Problems solved by this technology:

  • The propeller drive assembly and control method allow for efficient stowing and deployment of the propeller drive unit.
  • It ensures that the propellers are safely confined within the housing when not in use, reducing the risk of damage or accidents.
  • The suspension mechanism provides stability and control during the movement of the propeller drive unit.

Benefits of this technology:

  • Improved maneuverability and reduced drag for marine vessels.
  • Enhanced safety by confining the propellers within the housing when not in use.
  • Efficient stowing and deployment of the propeller drive unit.
  • Increased stability and control during propeller drive unit movement.


Original Abstract Submitted

a method of controlling a propeller drive assembly attachable to a hull of a marine vessel, said propeller drive assembly comprising a propeller drive unit and a housing for attachment to a hull of the marine vessel on an inside of the hull. the housing defines an inner space and an opening through which at least a portion of the propeller drive unit is movable into and out of the inner space. the propeller drive assembly comprises a suspension mechanism attached to the housing and configured to suspend the propeller drive unit, wherein the suspension mechanism is adapted to move the propeller drive unit between a stowed position and a deployed position. the method comprises a first step comprising triggering rotation of each propeller shaft such that the respective propeller shaft reaches a respective predetermined rotational position and stops at the respective predetermined rotational position, and a second step comprising triggering movement of the suspension mechanism from the deployed position to the stowed position. each propeller shaft is provided with a respective propeller, and wherein the respective predetermined position of each propeller shaft is such that each respective propeller is at least partly confined within the inner space of the housing when the propeller drive unit is in the stowed position.

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