Jin Rong Jie·2025-05-15 00:31Group 1 - Jiangling Motors Corporation has applied for a patent titled "Engine Crankcase Oil-Gas Separation Control Method and System," with publication number CN119982154A, filed on March 2025 [1] - The patent aims to optimize the oil-gas separation efficiency of the engine crankcase oil-gas separation unit by controlling the opening parameters of a gravity one-way valve based on pressure differentials [1] - The method involves maintaining the dynamic oil level height within a set range through the control of the gravity one-way valve, enhancing the selection efficiency and control accuracy of the oil-gas separation system [1] Group 2 - Jiangling Motors Corporation, established in 1997 and located in Nanchang, primarily engages in the automotive manufacturing industry [2] - The company has a registered capital of 863.214 million RMB and has invested in 9 enterprises, participated in 1,632 bidding projects, and holds 4,663 patent records [2] - Additionally, Jiangling Motors has 851 trademark records and 661 administrative licenses [2]