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A device for reducing compressor noise

A compressor and noise technology, applied in the field of compressors, can solve problems such as compressor noise

Active Publication Date: 2021-09-10
SHANGHAI HITACHI ELECTRICAL APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the invention is to solve the noise problem of the compressor by utilizing the principle of the Helmholtz resonant cavity

Method used

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  • A device for reducing compressor noise
  • A device for reducing compressor noise
  • A device for reducing compressor noise

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Embodiment Construction

[0080] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that all the drawings of the present invention are in simplified form and use inaccurate scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0081]In describing the present invention, it is to be understood that the terms "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or element Mus...

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Abstract

The invention provides a device for reducing noise of a compressor, which includes a first component and a second component, the first component and the second component form the first chamber and the second chamber alone or in combination, and the ring shape of the first chamber The side wall is provided with an annular air hole, several circular or special-shaped air holes, and these air holes are formed by the combination of the first component and the second component. The first component is a casing, the second component is a partition, the first chamber is a resonance chamber, and the second chamber is an expansion chamber. The beneficial effect of the present invention is that the noise of the compressor is reduced.

Description

technical field [0001] The invention relates to a noise reduction device, in particular to a device for reducing the noise of a compressor, and belongs to the technical field of compressors. Background technique [0002] The compressor has high noise at high speed, and it is difficult to solve it. The Helmholtz resonance cavity is a typical sound-absorbing structure, and the technical principle of this structure can be used to solve the noise problem of the compressor. Contents of the invention [0003] The purpose of the invention is to solve the noise problem of the compressor by utilizing the principle of the Helmholtz resonant cavity. [0004] In order to solve the above technical problems, the present invention provides a device for reducing compressor noise, which includes a first component and a second component, the first component and the second component form the first chamber and the second chamber alone or in combination, and the The annular side wall of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B39/00
CPCF04B39/0066
Inventor 王海军褚伟彦
Owner SHANGHAI HITACHI ELECTRICAL APPLIANCES CO LTD
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