Yanwen Li

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic liquid damping shock absorber
- Patent number 11,365,779
- Issue date Jun 21, 2022
- Tsinghua University
- Decai Li
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Chain unit sealed and lubricated with magnetic fluid and chain havi...
- Patent number 11,353,088
- Issue date Jun 7, 2022
- Tsinghua University
- Decai Li
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Combined sealing device with magnetic fluid
- Patent number 11,261,972
- Issue date Mar 1, 2022
- Tsinghua University
- Decai Li
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC LIQUID DAMPING SHOCK ABSORBER
- Publication number 20220128111
- Publication date Apr 28, 2022
- TSINGHUA UNIVERSITY
- Decai LI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
CHAIN UNIT SEALED AND LUBRICATED WITH MAGNETIC FLUID AND CHAIN HAVI...
- Publication number 20220128123
- Publication date Apr 28, 2022
- TSINGHUA UNIVERSITY
- Decai LI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...