ShaanGu(SH:601369) Jin Rong Jie·2025-07-05 09:16Group 1 - The company Xi'an Shangu Power Co., Ltd. has applied for a patent for a "wing-shaped blade diffuser" to address the limitations of existing multi-blade diffusers in meeting the wide operating range requirements of centrifugal compressors in industries such as petroleum, chemical, and steel [1] - The patent application was filed on January 2024, and the diffuser design includes 7 to 11 blades with a total angle of the arc lines accounting for 44% to 65% of the diffuser's circular angle, ensuring a wider operating range while improving single-stage pressure ratio and efficiency [1] - Computational Fluid Dynamics (CFD) calculations indicate that the surge margin of the new diffuser design has increased by 2.38%, with maximum flow point total pressure ratio rising from 1.8743 to 1.8945, and total pressure loss reduced by 4.1 kPa at an inlet pressure of 202.97 kPa [1] Group 2 - Xi'an Shangu Power Co., Ltd. was established in 1999 and is primarily engaged in the automotive manufacturing industry, with a registered capital of approximately 1.725 billion RMB [2] - The company has made investments in 16 enterprises and participated in 1,380 bidding projects, holding 168 trademark records and 897 patent records, along with 46 administrative licenses [2]