According to information from the State Intellectual Property Office, Huaneng Lanzhou Thermal Power Co., Ltd.; Xi 'an Thermal Power Research Institute Co., Ltd.; Huaneng Gansu Energy Development Co., Ltd. applied for a patent entitled "A Flexible Structure for Reducing Heat Transfer between Energy Storage Flywheel Motor and Rotor", Publication No. CN121749611A, Application Date November 2025.

The patent summary shows that the present invention provides a flexible structure to reduce the heat transfer between the energy storage flywheel motor and the rotor, and relates to the technical field of power supply energy storage system, including: motor bearings, motor rotor expansion sleeves, Motor rotor, magnetic isolation sleeve, flywheel rotor bearing, flywheel rotor, flywheel rotor expansion sleeve, synchronous inner rotor and synchronous outer rotor; the motor bearing, the motor rotor and the motor rotor expansion sleeve are coaxially connected; the flywheel rotor bearing, the flywheel rotor and the flywheel rotor expansion sleeve are coaxially connected; the synchronous inner rotor, as the driving torque source of the flywheel rotor, belongs to one end of the magnetic coupler; the synchronous outer rotor, as the driving torque source of the motor rotor, belongs to the other end of the magnetic coupler; the magnetic isolation sleeve is between the synchronous outer rotor and the synchronous inner rotor; the motor rotor expansion sleeve connects the motor bearing and the synchronous outer rotor; the inner ring of the motor bearing rotates coaxially with the motor rotor; the flywheel rotor bearing is sleeved at the journal of the flywheel rotor, and the outer ring of the flywheel rotor bearing is fixed on the housing of the flywheel vacuum chamber On.

Tianyan check data show that Huaneng Lanzhou Thermal Power Co., Ltd., founded in 1990, is located in Lanzhou City. It is an enterprise mainly engaged in the production and supply of electric power and heat. The registered capital of the enterprise is 42.2866 million RMB. Through the analysis of big data, Huaneng Lanzhou Thermal Power Co., Ltd. participated in 2625 bidding projects with 153 patent information. In addition, the enterprise also has 31 administrative licenses.