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Pump jetting propeller

A thruster and pump injection technology, which is applied to ship propulsion, propulsion components, pumps, etc., to achieve high efficiency and low noise

Inactive Publication Date: 2006-06-21
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It maintains the advantages of the above-mentioned superconducting magnetic fluid propeller without propellers, huge reduction gears and drive shafts, and low noise, and overcomes the disadvantage that it cannot be used in non-conductive fluids. At the same time, it reduces the difficulty of manufacturing superconducting magnets

Method used

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Examples

Experimental program
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Embodiment Construction

[0013] figure 1 It is the structure of the superconducting electromagnetic piston pump-jet thruster which is one of the specific embodiments of the present invention. It includes a superconducting antipolar magnet 10, an electromagnetic piston 20, a hydrodynamic chamber 30, a right one-way valve 40, a left one-way valve 50, a reversing valve 60, a water suction port 70, and a water discharge port 80. The structure of the superconducting antipolar magnet 10 is as follows figure 2 As shown, it includes two sets of superconducting helical coils 101 and 102 , a coil core 103 , and a room temperature bore core 104 . The structure of electromagnetic piston 20 is as image 3 As shown, it includes a normally conducting solenoid coil 201 and a piston 202 .

[0014] After the two sets of superconducting solenoidal coils 101 and 102 in the superconducting antipolar magnet 10 are excited with currents in opposite directions, a radial diameter is generated in the room temperature inner...

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Abstract

A pump-jet propeller belongs to the mechanical device in the field of ship propulsion. It includes a hydrodynamic chamber, a suction and discharge valve group, an opposite-pole superconducting solenoid magnet and an electromagnetic piston placed in a superconducting magnet temperature hole core barrel. The electromagnetic piston is composed of a solenoid coil that generates electromagnetic thrust and a disc that pushes water. The shaped piston is connected as a whole. Periodically change the current direction of the normally conducting solenoid coil on the electromagnetic piston, periodically change the electromagnetic force acting on the electromagnetic piston to drive the piston to reciprocate, and realize the suction and drainage of the reciprocating pump spray through the hydrodynamic chamber and the suction and drainage valve group During the working process, the reaction force of water spray produces forward thrust. The invention has no rotating parts and transmission mechanism, low noise, high efficiency, can be used in both conductive fluid and non-conductive fluid, and is suitable for deep sea propulsion because there is no dynamic shaft seal problem of the transmission shaft.

Description

technical field [0001] The invention relates to a pump-jet propeller, which belongs to the mechanical device in the field of ship propulsion. Background technique [0002] Superconducting magnetic fluid propulsion is one of the existing ship propulsion methods. It uses seawater as a conductor, passes current through the seawater, and interacts with the external magnetic field perpendicular to the direction of the current, so that the conductive seawater is subjected to electromagnetic force—— The Lorentz force acts to move, that is, the electric energy is converted into the kinetic energy of seawater through electromagnetic action, and its reaction force pushes the ship forward. The advantage of this superconducting ferrofluid propeller is that it eliminates traditional propellers and huge reduction gears and transmission shafts, and has low noise and small vibration. But this thruster can only be used in conductive fluids such as sea water, and cannot be used in non-conduc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63H11/06F04B17/04
Inventor 沙次文彭燕周适凌金福郑毅赵凌志李然杨爱华
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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