MAN Energy Solutions has been granted a patent for a screw compressor with a unique pipe bend design that includes a resonator space for reducing noise. The compressor efficiently compresses process gas and directs it towards a silencer, improving overall performance and reducing noise levels. GlobalData’s report on MAN Energy Solutions gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on MAN Energy Solutions, was a key innovation area identified from patents. MAN Energy Solutions's grant share as of February 2024 was 43%. Grant share is based on the ratio of number of grants to total number of patents.

Screw compressor with resonator pipe bend for noise reduction

Source: United States Patent and Trademark Office (USPTO). Credit: MAN Energy Solutions SE

A recently granted patent (Publication Number: US11920596B2) describes a screw compressor designed to compress process gas efficiently. The compressor housing features suction and pressure ports for gas intake and discharge, respectively. The compressor utilizes screw rotors to compress the gas, with a unique pipe bend system directing the compressed gas towards a silencer. This pipe bend includes an insert with a collar that helps control the flow and acts as a resonator, enhancing the compressor's performance.

Furthermore, the patent details the specific design elements of the pipe bend, including the curvature of the flow channel, cylindrical contours of the inner and outer walls, and the formation of an annular space acting as a resonator. The length of the insert projecting into the pipe bend is crucial in determining the resonator's effectiveness, which is dependent on factors like the expulsion frequency of the compressed gas and the sound velocity within the system. By carefully selecting the dimensions and configuration of the insert, the compressor can achieve optimal performance and noise reduction, making it a valuable innovation in the field of gas compression technology.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.