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This page displays all 「FI」 in main group B64C27/00. |
HB:Handbook | ||||
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CC:Concordance | |||||
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Rotorcraft; Rotors peculiar thereto [1, 2006.01] | HB | CC | 3D140 | |
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.Gyroplanes | HB | CC | 3D140 | |
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.Helicopters | HB | CC | 3D140 | |
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..with single rotor | HB | CC | 3D140 | |
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..with two or more rotors | HB | CC | 3D140 | |
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...arranged coaxially | HB | CC | 3D140 | |
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..Rotor drives | HB | CC | 3D140 | |
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...Direct drive between power plant and rotor hub | HB | CC | 3D140 | |
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...Drive of rotors by means, e.g. propellers, mounted on rotor blades | HB | CC | 3D140 | |
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....the means being jet-reaction apparatus | HB | CC | 3D140 | |
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.Rotorcraft characterised by having shrouded rotors, e.g. flying platforms | HB | CC | 3D140 | |
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.Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft | HB | CC | 3D140 | |
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..with rotor blades fixed in flight to act as lifting surfaces | HB | CC | 3D140 | |
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..characterised by provision of fixed wings | HB | CC | 3D140 | |
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..with forward-propulsion propellers pivotable to act as lifting rotors | HB | CC | 3D140 | |
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..with provision for reducing drag of inoperative rotor | HB | CC | 3D140 | |
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.Rotors [1, 2006.01] | HB | CC | 3D140 | |
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..having flexing arms [3] | HB | CC | 3D140 | |
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..having elastomeric joints [3] | HB | CC | 3D140 | |
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.. having articulated joints [3, 2006.01] | HB | CC | 3D140 | |
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...with individually articulated blades, i.e. with flapping or drag hinges [3] | HB | CC | 3D140 | |
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...with flapping hinge or universal joint, common to the blades [3] | HB | CC | 3D140 | |
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....see-saw type, i.e. two-bladed rotor [3] | HB | CC | 3D140 | |
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...with a feathering hinge only [3] | HB | CC | 3D140 | |
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..Blades | HB | CC | 3D140 | |
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...Aerodynamic features [6] | HB | CC | 3D140 | |
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...Constructional features [6] | HB | CC | 3D140 | |
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....Root attachment to rotor head | HB | CC | 3D140 | |
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....Blades foldable to facilitate stowage of aircraft | HB | CC | 3D140 | |
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.Damping of blade movements [3] | HB | CC | 3D140 | |
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.Tilting of rotor bodily relative to fuselage (of see-saw type construction B64C 27/43) | HB | CC | 3D140 | |
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.Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement | HB | CC | 3D140 | |
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..characterised by the control initiating means, e.g. manually actuated [1, 2006.01] | HB | CC | 3D140 | |
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...automatic or condition responsive, e.g. responsive to rotor speed, torque or thrust [3] | HB | CC | 3D140 | |
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..Transmitting means, e.g. interrelated with initiating means or means acting on blades (means acting on blades B64C 27/72) [1, 2006.01] | HB | CC | 3D140 | |
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...mechanical [3] | HB | CC | 3D140 | |
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....including swash plate, spider or cam mechanisms [3] | HB | CC | 3D140 | |
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....including flaps mounted on blades [3] | HB | CC | 3D140 | |
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....including rotating masses or servo rotors [3] | HB | CC | 3D140 | |
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....specially for controlling lag-lead movements of blades [3] | HB | CC | 3D140 | |
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...using fluid pressure, e.g. having fluid power amplification [3] | HB | CC | 3D140 | |
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...using electrical energy, e.g. having electrical power amplification [3] | HB | CC | 3D140 | |
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..Means acting on blades | HB | CC | 3D140 | |
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..in association with pitch adjustment of blades of anti-torque rotor | HB | CC | 3D140 | |
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..for differential adjustment of blade pitch between two or more lifting rotors | HB | CC | 3D140 | |
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.characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting-rotor torque or changing direction of rotorcraft | HB | CC | 3D140 | |