propeller device
A technology for propellers and propeller shafts, which is used in propulsion transmissions, transmissions with synchronous propulsion components, transportation and packaging, etc., can solve the problems of bearing fatigue damage, reduction of fatigue life of shaft components, etc., to reduce the risk of bearing burning, Efficient cooling effect
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[0045] The embodiments herein will be described more fully below with reference to the accompanying drawings. In the drawings, the same numerals denote the same elements.
[0046] exist figure 1 , schematically shows the rear of a marine vessel with a propeller arrangement 100 according to an embodiment herein. The marine vessel may eg be a cargo ship or a supply ship.
[0047] The propeller arrangement comprises a propeller 110 having a hub 111 and at least one propeller blade 112 extending from the hub 111 . The hub may eg have a cylindrical, conical or barrel shape. figure 1 The illustrated propeller 110 includes four propeller blades 112 extending from a hub 111 . According to some embodiments herein, the diameter of the propeller (ie the diameter of the imaginary circle drawn by the tips of the blades when the propeller rotates) is at least 4 meters.
[0048] The propeller has a proximal side 114 extending to a proximal end 116 of the propeller 110 and a distal side ...
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