Noise reduction device of ship engine

An engine and noise reduction technology, applied in engine components, machines/engines, charging systems, etc., can solve problems such as noise absorption and the impact of rest onboard personnel, and achieve the effect of reducing noise, facilitating rest, and reducing noise

Active Publication Date: 2022-02-01
湖南弘辉科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The intake noise is one of the main aerodynamic noise sources of the engine. The intake noise is caused by the pressure fluctuations caused by the periodic opening and closing of the intake valve. The existing ship engines cannot effectively absor

Method used

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  • Noise reduction device of ship engine
  • Noise reduction device of ship engine
  • Noise reduction device of ship engine

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Example Embodiment

[0021] The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

[0022] Embodiments of the present patent are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are only used for explaining the patent, and should not be construed as limiting the patent.

[0023] see figure 1 , In one embodiment of the present invention, a noise reduction device for a ship engine includes: a casing 1 and an air intake pipe 2, one end of the air intake pipe 2 is connected to a generator, and the other end is connected to the inside of the casing 1; A protective cover 3, the protective cover 3 is arranged on the outside of the air intake pipe 2, and is fixedly connected with the housing 1,...

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Abstract

The invention relates to the technical field of ships, in particular to a noise reduction device of a ship engine, which comprises a shell and an air inlet pipe, wherein one end of the air inlet pipe is connected with a generator, and the other end of the air inlet pipe is communicated to the inner side of the shell; a protective cover arranged on the outer side of the air inlet pipe and fixedly connected with the shell, wherein sound absorption cotton is fixedly connected to the inner side of the shell and the inner side of the protective cover; an air inlet mechanism arranged on the inner side of the shell and fixedly connected with the air inlet pipe; a speed reduction mechanism arranged on the inner side of the air inlet pipe, wherein the speed reduction mechanism comprises a shielding assembly; and a buffering assembly. According to the invention, the shell and the protective cover are arranged, noise is absorbed through sound absorption cotton, the speed of air entering the generator is reduced through the speed reduction mechanism, noise is reduced, and therefore the noise is effectively treated, quietness in the ship is guaranteed, and people can have a rest conveniently.

Description

technical field [0001] The invention relates to the technical field of ships, in particular to a noise reduction device for a ship engine. Background technique [0002] Ship, the general term for all kinds of ships. Ships are means of transportation that can sail or berth in waters for transportation or operations, and have different technical performances, equipment and structural types according to different requirements for use. A ship is a man-made means of transportation that primarily operates in geographical waters. [0003] The engine of a ship is a machine that can convert other forms of energy into mechanical energy. The engine is not only suitable for power generation devices, but also refers to the entire machine including power devices. The intake noise is one of the main aerodynamic noise sources of the engine. The intake noise is caused by the pressure fluctuations caused by the periodic opening and closing of the intake valve. The existing ship engines cann...

Claims

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Application Information

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IPC IPC(8): F02M35/12
CPCF02M35/1211F02M35/1272
Inventor 谭高辉马倩倩王虎贺湘伟周熙盛袁雅
Owner 湖南弘辉科技有限公司
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