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"HU FENGYAN"
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"HU FENGYAN"
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Folding combined type oil moves four high -speed rotor unmanned aerial vehicle fuselage folding system
by
HU FENGYAN
Year of Publication
09.03.2018
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22
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Folding combined type oil moves four high -speed rotor unmanned aerial vehicle control system
by
HU FENGYAN
Year of Publication
26.01.2018
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23
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Electromagnetic damping rotor brake equipment for rotor craft
by
HU FENGYAN
Year of Publication
24.10.2017
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24
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Folding combined type oil moves four high -speed rotor unmanned aerial vehicle power transmission system
by
HU FENGYAN
Year of Publication
24.10.2017
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25
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Use rotor craft parachuting device of producing gas medicine
by
HU FENGYAN
Year of Publication
24.10.2017
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26
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Helicopter is with integration combined type cooling system
by
HU FENGYAN
Year of Publication
22.09.2017
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27
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Big torque clutch of special slow -speed of revolution of helicopter
by
HU FENGYAN
Year of Publication
15.09.2017
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28
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Sofa backrest transmission device
by
HU FENGYAN
,
ZHANG LAILAI
,
LI JIAN
,
LIU YUBAO
,
CHEN WEIXIA
Year of Publication
05.07.2024
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29
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ELECTROCHEMICAL APPARATUS AND ELECTRICAL DEVICE
by
HU
,
Fengyan
,
YANG, Shujun
,
HE, Yongwei
,
FENG, Guanghui
Year of Publication
04.07.2024
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Oil moves flexible rotor system of many rotors based on metallic leaf spring
by
HU FENGYAN
Year of Publication
28.07.2017
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31
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Oil moves flexible rotor system of many rotors based on combined material
by
HU FENGYAN
Year of Publication
28.07.2017
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32
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Oil moves many heligyro engine power distribution system
by
HU FENGYAN
Year of Publication
28.07.2017
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33
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Leg support
by
HU FENGYAN
,
ZHANG LAILAI
,
LI JIAN
,
LIU YUBAO
,
CHEN WEIXIA
Year of Publication
28.05.2024
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34
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Foldable composite oil drive high-speed four-rotor-wing unmanned aerial vehicle
by
HU FENGYAN
Year of Publication
07.07.2017
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35
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Bottom frame mechanism of extensible seat unit
by
HU FENGYAN
,
ZHANG LAILAI
,
LI JIAN
,
LIU YUBAO
,
CHEN WEIXIA
Year of Publication
14.05.2024
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36
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Rotor craft parachuting device using gas-producing agent
by
HU FENGYAN
Year of Publication
09.06.2017
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37
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Electromagnetic damping rotor braking device for rotor craft
by
HU FENGYAN
Year of Publication
09.06.2017
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38
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Composite material-based oil driven multi-rotor flexible rotor system
by
HU FENGYAN
Year of Publication
31.05.2017
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39
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All-in-one composite cooling system for helicopter
by
HU FENGYAN
Year of Publication
31.05.2017
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40
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Oil-driven multirotor flexible rotor system based on metal reed
by
HU FENGYAN
Year of Publication
31.05.2017
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