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Thruster for coaxial reverse thruster ship

A propeller and marine technology, which is applied in the direction of ship propulsion, propulsion components, propulsion device engines, etc., to achieve the effects of reducing volume, improving impact, and improving efficiency

Inactive Publication Date: 2010-01-13
HARBIN ENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a coaxial reverse marine propeller that can solve the problem of counter torque, reduce head-on resistance and improve power efficiency

Method used

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  • Thruster for coaxial reverse thruster ship
  • Thruster for coaxial reverse thruster ship
  • Thruster for coaxial reverse thruster ship

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The present invention is described in more detail below in conjunction with accompanying drawing example:

[0017] combine figure 1 , the composition of the coaxial reverse marine propeller includes a hollow shaft 12 installed on the motor base 11, the two ends of the hollow shaft are respectively fixed with a counterclockwise stator coil 5 and a clockwise stator coil 9, and a lead wire 6 of the counterclockwise stator coil 1. The lead wire 13 of the clockwise stator coil is led out to the base of the motor through the hollow shaft, and the counterclockwise stator coil and the clockwise stator coil are respectively covered with a counterclockwise outer rotor and a clockwise outer rotor, and the counterclockwise outer rotor is made of high magnetic permeability The shell 3 made of metal and the even number of permanent magnets 4 bonded in the shell are composed, and the clockwise outer rotor is made of a shell 7 made of high magnetic permeability metal and the even numbe...

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PUM

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Abstract

The invention discloses a propeller for coaxial reversal ship, which comprises the following parts: hollow shaft on the motor chassis, counterclockwise stator coil and clockwise stator coil at two ends of hollow shaft, leading line of stator coil to the motor chassis through hollow shaft, wherein one end of counterclockwise external rotor and clockwise external rotor is assembled at two ends of hollow shaft through water lubricating bearing; the counterclockwise propeller and clockwise propeller are assembled on the counterclockwise external rotor and clockwise external rotor. The invention contains two groups of rotor to produce two equal opposite forces, which cancels respective opposite torque to improve the precision of underwater machine.

Description

(1) Technical field [0001] The invention relates to a ship propulsion device. Specifically, it is a ship propulsion device that acts directly on the water surface. (2) Background technology [0002] Existing marine propulsion systems are all driven by a single propeller, and the reverse torque generated by the water on the propeller causes the ship to generate a yaw moment during navigation, especially for submarines, torpedoes, unmanned submersibles and other equipment that sail underwater. The effect on torque is more pronounced. In order to correct the yaw moment, two methods are usually adopted. One is to change the rudder angle, change the power push water angle and other methods. This method consumes part of the power; the other is a power plant with counter-rotating double propellers. This structure increases the head-on resistance and consumes part of the power. [0003] Obviously, the above technologies cannot fully meet the requirements of modern ship propulsio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K7/14B63H21/17
Inventor 刘文智李海波秦再白叶秀芬王天
Owner HARBIN ENG UNIV