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Bernoulli propeller

A propeller and screw connection technology, applied in the direction of rotating propellers, rotary propellers, etc., can solve problems such as propeller damage, easy hooking on algae, etc., and propeller stuck.

Inactive Publication Date: 2012-01-25
郑霞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, for the traditional propeller, there are mainly the following problems: when the propeller rotates underwater, it is easy to catch algae and other objects, causing the propeller to be stuck; the blade of the propeller is an open structure, so the area around the blade is very unsafe. It is easy to hit underwater animals or hard objects, resulting in animal death. In particular, if the crew accidentally falls into the water, it may hit the crew; when the blade hits a hard object, it will cause damage to the propeller. For this problem, currently Iron propellers with large hardness and thickness are mainly used to deal with it, but this has caused the problem of heavy propeller weight and huge energy consumption for starting

Method used

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Embodiment Construction

[0013] Below in conjunction with accompanying drawing and embodiment the present invention is further described:

[0014] exist Figure 1-Figure 3 In the shown embodiment, the Bernoulli propeller includes a turntable 2, and the center of the turntable 2 is provided with a rotating shaft connecting body 3. The front of the turntable 2 is a plane, and the back has an arc-shaped surface 1 uniformly distributed in the circumferential direction.

[0015] In the aforementioned Bernoulli propeller, the arc-shaped surface 1 is an arc-shaped surface, such as image 3 As shown, it is made of thin metal sheet, extending from the outer edge of the turntable 2 to the center of the turntable 2, and has a shape of wide outside and narrow inside, as shown in figure 1 As shown, the metal sheet can be connected to the turntable 2 by welding, screwing or riveting.

[0016] For the aforementioned Bernoulli propeller, the turntable 2 is made of an aluminum plate, so that the propeller has a rela...

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Abstract

The invention provides a Bernoulli propeller, belonging to a power mechanical part. The Bernoulli propeller comprises a turntable, a rotating shaft connector is arranged at the center of the turntable, the front surface of the turntable is a flat surface and the rear surface of the turntable is provided with cambered faces evenly distributed in circumferential direction. The Bernoulli propeller not only can drive a ship body to move forwards effectively, but also has the advantages of not being stuck by tangled algae and having no safety hazards during operation.

Description

Technical field [0001] The present invention relates to a power machinery component, in particular, a propeller for propelling a hull forward. Background technique [0002] The propeller is the main power part used to push the hull, and the current propeller is mainly composed of two to three blades and the connecting body of the rotating shaft connecting them. During the rapid rotation of this type of propeller, the water body is pushed to the rear, so that the hull obtains forward thrust. [0003] However, for the traditional propeller, there are mainly the following problems: when the propeller rotates underwater, it is easy to catch algae and other objects, causing the propeller to be stuck; the blade of the propeller is an open structure, so the area around the blade is very unsafe. It is easy to hit underwater animals or hard objects, resulting in animal death. In particular, if the crew accidentally falls into the water, it may hit the crew; when the blade hits a har...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63H1/14
Inventor 郑霞
Owner 郑霞
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