Hechao ZHANG

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Jiangsu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Bearing lubrication structure for a wind power gearbox
- Patent number 11,629,704
- Issue date Apr 18, 2023
- NANJING HIGH-SPEED GEAR MANUFACTURING CO., LTD.
- Hongjian Li
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Gear box with an oil stirring box
- Patent number 11,543,019
- Issue date Jan 3, 2023
- NANJING HIGH-SPEED GEAR MANUFACTURING CO., LTD.
- Hongpu Mao
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Fastening Apparatus and Gearbox
- Publication number 20240240706
- Publication date Jul 18, 2024
- NANJING HIGH-SPEED GEAR MANUFACTURING CO., LTD.
- Haifeng LUO
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
BEARING LUBRICATION STRUCTURE FOR A WIND POWER GEARBOX
- Publication number 20220381228
- Publication date Dec 1, 2022
- NANJING HIGH-SPEED GEAR MANUFACTURING CO., LTD.
- Hongjian LI
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
Gear Box
- Publication number 20210048098
- Publication date Feb 18, 2021
- NANJING HIGH-SPEED GEAR MANUFACTURING CO., LTD.
- Hongpu MAO
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...