CRRC Changchun Railway Vehicles Co., Ltd.

China

 
Total IP 205
Total IP Rank # 6,291
IP Activity Score 3.2/5.0    282
IP Activity Rank # 2,519

Patents

Trademarks

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Last Patent 2025 - Loading intensity design method ...
First Patent 2017 - Train brake release system and t...

Latest Inventions, Goods, Services

2024 Invention Composite floor for railway passenger car, manufacturing method therefor and railway passenger ca...
2023 Invention Vehicle-mounted superconducting magnet anomaly detection method, apparatus and device. The presen...
Invention Horizontal wheel bearing clearance adjusting apparatus and method. Disclosed in the present inven...
Invention Tire pressure monitoring integrated apparatus. A tire pressure monitoring integrated apparatus su...
Invention Testing system and method for rail vehicle. A testing system and method for a rail vehicle. The t...
Invention Method and system for determining vehicle-mounted superconducting magnet monitoring system, and s...
Invention Rigid polyurethane foam and preparation method therefor. The present disclosure relates to the te...
Invention Air supply device of air conditioning system of maglev train and design method therefor. Disclose...
Invention Loading intensity design method for variable-temperature component and related product. The prese...
Invention Superconducting magnetic levitation vehicle levitation chassis and magnetic levitation rail vehic...
Invention Extension and retraction framestructure of superconducting magnetic levitation vehicle, and levit...
Invention Superconducting magnet frame and levitation chassis. A superconducting magnet frame, which is con...
Invention Superconducting magnet frame. A superconducting magnet frame, used for connecting superconducting...
Invention Superconducting magnetically-levitated vehicle undercarriage mounting structure. A superconductin...
Invention Suspension frame and electric suspension rail vehicle. A suspension frame comprises a suspension ...
Invention Refrigeration system. A refrigeration system. The refrigeration system is provided in a high-temp...
Invention Cold conduction pathway structure. Provided in the present invention is a cold conduction pathway...
Invention Air pressure pipe assembly. An air pressure pipe assembly, which is used for a straddle-type mono...
Invention Superconducting magnet coil solid-encapsulation device. A superconducting magnet coil solid-encap...
Invention Air spring limiting device. An air spring limiting device, used for limiting the distance between...
Invention Skirt board structure. A skirt board structure for a maglev train. The skirt board structure comp...
Invention Design method and apparatus for thermal cut-off member of ultra-deep cryogenic component, and rel...
Invention Topology optimization method and apparatus for superconducting magnet cold conduction structure, ...
Invention Current lead device. A current lead device, used for an excitation circuit and comprising a vacuu...
Invention Permanent magnet electrodynamic levitation system and maglev mode structure. A permanent magnet e...
Invention Method and apparatus for matching assembling pre-tightening force of bolt connection structure an...
2022 Invention Escape bridge plate suitable for monorail vehicle. Disclosed in the present invention is an escap...
Invention Motor train unit control system. Disclosed in the embodiments of the present application is a mot...
Invention Simulation system and method for normal conducting high-speed maglev traffic. A simulation system...
Invention Data synchronization system and method for train. Provided in the present application is a data s...
Invention Online monitoring system applicable to walking portion of monorail bogie. An online monitoring sy...
Invention Gearbox speed measuring device and gearbox. The present invention provides a gearbox speed measur...
Invention Floor plate inspection gate force transfer beam structure and monorail vehicle underframe. Disclo...
Invention Superconducting magnet monitoring system and data collection system. Disclosed in the present app...
Invention Bogie frame and bogie. Disclosed in the embodiments of the present application are a bogie frame ...
Invention Auxiliary wheel mounting structure and monorail train. Disclosed in embodiments of the present ap...
Invention Emu ground fault positioning control system. An EMU ground fault positioning control system, whic...
Invention Bionic fin-based superconducting magnet fluid channel structure design method and apparatus. Disc...
Invention Braking control method and related apparatus. Disclosed in embodiments of the present application...
Invention Method and apparatus for determining input parameters of superconducting magnet design. The prese...
Invention Front-end work platform and work operating platform. Disclosed in the present invention are a fro...
Invention Emergency train braking system and train. An emergency train braking system, which is applied to ...
Invention High-temperature superconducting magnet cold head mounting device. Disclosed in the present inven...
Invention Superconducting magnet nitrogen storage structure topology optimization method and apparatus base...
Invention Internal insulation high-voltage system and train. An internal insulation high-voltage system and...
Invention Thin and lightweight air-conditioning unit. Provided in the present invention is a thin and light...
Invention Power control method and apparatus. Disclosed in embodiments of the present application are a pow...
Invention Height-adjustable armrest, seat, and vehicle. A height-adjustable armrest, a seat, and a vehicle....
Invention Air conditioning system having variable air volumes in multiple areas. An air conditioning system...
Invention Rail train, bogie, and frame. Disclosed in the present invention are a rail train, a bogie, and a...