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Non-shaft propeller

A propeller and shaftless technology, which is applied in the direction of rotary propellers, propulsion components, ship propulsion, etc., can solve the problems of waste and ineffective utilization, and achieve the effect of improving efficiency and high recoil speed

Pending Publication Date: 2019-02-15
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The eddy current itself has a relatively high speed, which is generally wasted, and there is no effective use method at present

Method used

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Embodiment Construction

[0035] Regarding the Laval nozzle, it is composed of two conical tubes, one of which is a contraction tube and the other is an expansion tube. It is the most commonly used component of rocket engines and aero-engines.

[0036] The first half of the Laval nozzle is a constriction portion that shrinks from large to small to the middle until it shrinks to a throat 11 . The throat 11 then expands from small to large to the end of the rotor 5, which is called the expanded part. The Laval nozzle was invented by the Swedish Laval, so it is also called "Laval nozzle".

[0037] Regarding the shaftless propeller, its basic structure can be found in the Chinese patent document CN1897417A, which is also an early document in this field. It discloses the basic structure of the shaftless propeller. Regarding the shaftless propeller, it actually belongs to electric drive equipment. With the stator 3 and the rotor 5, as well as the adapted stator winding 8 and the permanent magnet 7, the stat...

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Abstract

The invention discloses a non-shaft propeller. The non-shaft propeller comprises a stator, a rotor, end caps, a stator winding, a permanent magnet and blades. The rotoris installed on the interior ofthe stator through a pair of bearings located on the end parts, a fabricated cavity is determined between the two bearings, the end caps are fixed to the end part of the stator and are used for sealing two ends of an assembly formed by the stator and the rotor, the stator winding is installed on the side of the stator in the fabricated cavity, the permanent magnet is installed on the side of the rotor in the fabricated cavity, and the blades are installed on the inner wall surface of the rotor. A rotor pipe shell is provided with a first tapered cavity channel treating one end of the rotor pipe shell as a big end and is provided with a second tapered cavity channel treating the other end of the rotor pipe shell as a big end, and a small end of the first tapered cavity channel communicateswith a small end of the second tapered cavity channel; and the blades are divided into two groups, one group is located at the first tapered cavity channel, and the other group is located at the second tapered cavity channel. The efficiency of the non-shaftpropelleris high.

Description

technical field [0001] The invention relates to a shaftless propeller. Background technique [0002] The shaftless propeller, which is often referred to as the shaftless pump spray device in the field, is a new propulsion device that appeared in 2005. Shaftless propellers are mainly proposed for conventional shafted propellers. The principle of shafted propellers is very simple. Usually, a power cabin is installed on a ship, for example, an internal combustion engine is installed in the power cabin, and the power of the internal combustion engine passes through The main shaft is connected to the propeller, and the main shaft used to draw power from the power cabin is indeed saved, that is, it constitutes a shaftless propeller. [0003] Shafted propellers are powerful, but require complex drive shafting and more reliable liquid seals, such as nuclear submarines, whose design depth may reach 800 meters, and it is very difficult to achieve a liquid seal between the main shaft ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63H1/16B63H23/00H02K7/14
CPCH02K7/14B63H1/16B63H23/00B63H25/42B63H2001/165B63H2023/005
Inventor 王坤坤王守仁温道胜王高琦颜新宇吴戍戌于琪琪孙兆磊肖滕薛传艺
Owner UNIV OF JINAN
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