一汽解放取得可提高油气分离器分离效率的油气分离器专利，可对不同直径的机油颗粒进行捕捉

Group 1 - The core viewpoint of the news is that FAW Jiefang Automotive Co., Ltd. has obtained a patent for an "oil-gas separator," which enhances the efficiency of oil-gas separation and reduces the complexity of the device [1] Group 2 - FAW Jiefang Automotive Co., Ltd. was established in 2002 and is located in Changchun City, primarily engaged in the automotive manufacturing industry [2] - The company has a registered capital of 1,080,301.25 million RMB and has invested in 23 enterprises [2] - FAW Jiefang has participated in 5,000 bidding projects and holds 272 trademark records and 5,000 patent records [2] - The company also possesses 189 administrative licenses [2]