Tag Archives: Helicopter

Vertical-lift unit for helicopter

Application Number  00129330 Application Date  2000.11.20 Publication Number  1296902 Publication Date  2001.05.30 Priority Information     International Classification  B64C27/04   Applicant(s) Name  Ren Xiaozhong   Address     Inventor(s) Name  Ren Xiaozhong   Patent Agency Code  00000 Patent Agent   AbstractA vertical-lift unit for helicopter features that the tail rotor is eliminated and a rotary… Read More »

Helicopter with driving rotary wings

Application Number: 00112409Application Date: 2000.07.20Publication Number: 1335248Publication Date: 2002.02.13Priority Information: International: B64C27/16Applicant(s) Name: Li XiaogangAddress: Inventor(s) Name: Li XiaogangPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to the field of aerial craft technology and solves the problem that the driving force of helicopter must pass through one serial of driving mechanisms before it… Read More »


Application Number: 00112718Application Date: 2000.03.01Publication Number: 1263847Publication Date: 2000.08.23Priority Information: International: B64C29/00Applicant(s) Name: Wang HuairongAddress: Inventor(s) Name: Wang HuairongPatent Agency Code: 00000Patent Agent: Abstract A helicopter features that at least two lift engines are installed to the bottom of mainbody between landing gears and its tail propeller is driven by an individual push engine installed… Read More »

Helicopter thrust by airscrew

Application Number: 00117752Application Date: 2000.06.01Publication Number: 1287082Publication Date: 2001.03.14Priority Information: International: B64C11/46Applicant(s) Name: Yang ChengdongAddress: Inventor(s) Name: Yang ChengdongPatent Agency Code: 23200Patent Agent: li yiqunAbstract The helicopter has a fixing board inside the fuselage, a motor fixed on the board, a small gear installed on the motor shaft to drive one large meshed gear, a… Read More »

4-rotor helicopter

Application Number: 00118238Application Date: 2000.05.28Publication Number: 1276320Publication Date: 2000.12.13Priority Information: International: B64C27/08Applicant(s) Name: Zhao YingAddress: Inventor(s) Name: Zhao YingPatent Agency Code: 00000Patent Agent: Abstract A 4-rotor helicopter as air freighter technically features that its 4 rotors are symmetrically arranged at both side of main body in rectangular or isosceles trapezium mode, and its direction is… Read More »

Equipment and method for manufacturing main rotor blade of helicopter

Application Number: 00122760Application Date: 2000.08.08Publication Number: 1341534Publication Date: 2002.03.27Priority Information: 1994/7/15 US 275556International: B64C11/20Applicant(s) Name: United Technologies Corp.Address: Inventor(s) Name: K.P. Lessi;C.D. JeansPatent Agency Code: 72001Patent Agent: wen dapengAbstract Apparatus and methods for fabricating a helicopter main rotor blade (100) include a compaction fixture (10) for assembling and compacting blade subassembly components and a sheath… Read More »

Helicopter with ring wing

Application Number: 00107471Application Date: 2000.05.17Publication Number: 1322658Publication Date: 2001.11.21Priority Information: International: B64C27/04Applicant(s) Name: Gao HengweiAddress: Inventor(s) Name: Gao HengweiPatent Agency Code: 11100Patent Agent: diao yushengAbstract The helicopter has one bubble-like passenger cabin; disc wing below the cabin; undercarriage, engine and multi-stage booster propeller below the wing; intake cascades over the wing and spraying cascades at… Read More »