制冷压缩机的降噪技术专利分析

Analysis of patents of noise-reducing in compressor for refrigeration

本文主要分析了制冷压缩机降噪技术领域的专利情况,归纳了该技术的专利在不同国家的数量分布,在国外与国内的申请趋势以及主要申请人。总结了该技术领域的主要技术分支及申请量分布,并对主要技术分支进行了分析,为该技术领域的进一步发展提供了有利信息。

The paper,from the perspective of patent,analyzed the patents related to noisereducing technique for compressors used for refrigeration. The number of the related patents distributed by countries was summarized. The trends of number of patents distributed by calendar year of grant in China and foreign countries were shown respectively. The main applicants were also list in this paper. The paper summarized the main categories of the noise-reducing technique for compressors and their patent distribution. Different noise-reducing methods were reviewed.The purpose of this paper is to provide useful information for further development of noise-reducing technique for compressors.