Raising and lowering mechanism for flettner rotor

A lift mechanism and pivot mechanism technology, applied in the field of Flettner rotors, can solve the problems of reduced volume, increased risk of submersion, difficult and expensive modification of ships, etc.

Active Publication Date: 2020-03-17
ANEMOI MARINE TECH LTD
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This design leads to a reduction in the volume below deck, which leads to a reduction in the cargo capacity of ships using this system
In addition, the complex operating mechanism required major structural modifications to the vessel to which it was installed
Therefore, it is difficult and expensive to retrofit ships with such systems
In addition, when installing such a system, it is necessary to penetrate the weather deck of the ship, which may lead to an increased risk of submersion

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Raising and lowering mechanism for flettner rotor
  • Raising and lowering mechanism for flettner rotor
  • Raising and lowering mechanism for flettner rotor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0058] figure 1 Depicted in schematic form is a Flettner rotor 100 comprising a rotor 102 (shown transparent so that elements located therein are visible), a stator 104, a standoff 106, an upper bearing 108 and a lower bearing 110 . As is known in the art, the rotor may be covered by a top plate 112 to improve aerodynamic performance. The top plate 112 may generally have a diameter that is twice the diameter of the rotor 102 . The rotor 102 may further include additional disks or other features for aerodynamic enhancement.

[0059] Rotor 102 is disposed about stator 104 and is rotatably coupled to stator 104 via upper bearing 108 and lower bearing 110 . The base end of the stator 104 is located on and fixed to the support 106 , and the lower end of the rotor 102 is located in the support 106 . Standoff 106 sits on top of base 114 . The lower bearing 110 limits radial movement of the rotor at the base end of the rotor.

[0060] Figure 2a Flettner rotor 100 is shown in a...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A method of lowering an elongate member from a raised position to a lowered position is described, the elongate member comprising a stator of a Flettner rotor, the method comprising the steps of transferring the elongate member from a first mode, in which loads are borne along a first load path between the elongate member and a base, to a second mode, in which loads are borne along a second load path between the elongate member and the base, which second load path includes a pivot axis, by separating the elongate member from the base and engaging a pivot mechanism therebetween and, with the elongate member in the second mode, lowering the elongate member about the pivot axis. Also described are a corresponding method of raising the elongate member and an elongate member raising and lowering mechanism.

Description

technical field [0001] The present invention relates generally, but not exclusively, to Flettner rotors, and in particular to lift mechanisms for Flettner rotors. Background technique [0002] Flettner rotors, also known as Magnus rotors, are used on waterborne vessels for propulsion. This rotor uses the Magnus effect for ship propulsion. [0003] In use, Flettner rotors are usually placed upright on the deck of a waterborne vessel. Typically, a Fleitner rotor comprises an outer rotor in the form of a cylindrical tube arranged around a stator, the rotor being coupled to the stator via a rotatable coupling which typically includes an upper bearing towards the top end of the stator and further down the stator The lower bearing, usually at about the midpoint of the stator. The stator is usually connected to the base, which in turn is connected to the deck of the ship. The rotor may be longer than the stator and protrude above the stator so that the upper bearing may be appr...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B63H9/02
CPCB63H9/02B63H2001/005B63B2015/005Y02T70/5236
InventorD·斯特林费罗
OwnerANEMOI MARINE TECH LTD