Recently, the "Tenth China Patent Award" held by the State Intellectual Property Office has passed the evaluation. The patent of the "four-valve diesel engine cylinder head unloading groove" patent of Guangxi Yuchai Machinery Co., Ltd. was awarded the "Tenth Chinese Patent Excellence Award." ".
The patent of “Four-Valve Diesel Engine Cylinder Head Unloading Slot†was invented by the Yuchai Engineering Research Institute Zhong Hongwen and Wei Wenwen. The patent effectively solved the crack problem of the engine cylinder head and made Yuchai’s research on the four-valve cylinder head crack prevention field. It has reached the international advanced level. This patented technology has been applied to the mass production models such as Yuchai 6L, 4G, 4E, 6J, and 6A, and has cumulatively created economic benefits of RMB 3.65 billion for Yuchai.
At the same time, the patented four-valve technology is one of the technical measures to optimize the combustion process of the engine and reduce the emission of particulates, CO, and NOx, and it is also a measure to increase the energy utilization efficiency. This patent solves the problem of engine four-valve technology application and lays a foundation for the promotion and application of four-valve technology in China. It has contributed to the protection of natural resources and the ecological environment and the elimination of pollution.
The China Patent Excellence Award is the only government incentive for China to obtain patented inventions and innovations, and it is recognized by the World Intellectual Property Organization. The acquisition of this honor marks that Yuchai’s patented technology has improved its technical content and grade, and its independent innovation capability has gained high value. It is reported that a total of 144 patents have won the "Tenth China Patent Excellence Award." Guangxi received a total of two patents for this award.
In the past three years, Yuchai Machinery Co., Ltd. has accelerated the construction of independent innovation capabilities of enterprises, and has vigorously grasped patent management. In 2006, it was identified as the third batch of national intellectual property IP pilot units by the State Intellectual Property Office, and patents in 2006 and 2007. The number of applications ranked first in Guangxi for two consecutive years. In January 2008, Yuchai Engineering Research Institute was awarded the title of “National Patent System Advanced Collective†by the Ministry of Personnel and the State Intellectual Property Office. So far, Yuchai Machinery Co., Ltd. has applied for 322 patents, of which 166 were granted patents, which has produced significant social and economic benefits.