Patents
Patents for B64C 27 - Rotorcraft; Rotors peculiar thereto (10,112)
12/2002
12/31/2002US6499690 Rotor blade flap drive apparatus
12/30/2002WO2002002936A1 Method for determining the angle of a rotor blade pertaining to a wind energy installation
12/26/2002US20020195518 Combination fixed and rotating wing aircraft and land vehicle
12/26/2002US20020195296 System for lubricating and cooling a mechanical assembly
12/24/2002US6497553 Vortex attractor
12/24/2002US6497385 Rotor blade with optimized twist distribution
12/19/2002DE10126918A1 High power piezoactuator e.g. for use in helicopters, has thermally conductive material between individual sub-actuators and in thermally conductive contact with the sub-actuators on either side
12/18/2002EP1144249A4 Stabilizing control apparatus for robotic or remotely controlled flying platform
12/17/2002US6494680 Rotor with rotor head vibration suppressor comprising vertical pendulums
12/12/2002WO2002099309A1 Vibration damping device
12/12/2002WO2002098732A2 Vehicles particularly useful as vtol vehicles
12/12/2002WO2001089926A9 Power lever tactile cueing system
12/12/2002US20020187047 Helicopter blade and method of manufacture
12/12/2002US20020187041 Helicopter individual blade control system
12/12/2002DE10126927A1 Auftriebskrafterzeugendes Profil für ein Luftfahrzeug Buoyancy force-generating profile for an aircraft
12/12/2002CA2416010A1 Vibration damping device
12/11/2002EP1104389B1 Method for reducing blade-vortex interaction noise generated by a rotary wing
12/11/2002CN1384020A High-speed helicopter with deflecting wings
12/11/2002CN1384019A Airplane with multi-point deflecting wings
12/10/2002CA2132839C Autogyro aircraft
12/05/2002WO2002096750A2 Ducted fan vehicles particularly useful as vtol aircraft
12/05/2002US20020182078 Vortex attractor without impeller vanes
12/05/2002US20020182077 Vortex attractor with propellers
12/05/2002DE10125733A1 Ultralight model helicopter rotor coupling has magnetic control of friction drive is simple
12/04/2002EP1262404A1 Airfoil for an aircraft with a flap adjustable by ram air pressure
12/04/2002EP1262403A2 Individual rotor blade control device
11/2002
11/29/2002CA2410942A1 Non-inflammable, translucent polycarbonate molding materials
11/28/2002WO2002094655A2 The use of aerodynamic forces to assist in the control and positioning of aircraft control surfaces and variable geometry systems
11/28/2002US20020176778 Traversing vortex attractor
11/28/2002US20020176777 Safety plate for a vortex attractor
11/27/2002EP0948442B1 Spring element and support bearing for helicopter tail rotors and supporting structures for use in space
11/26/2002US6485261 Rotary-wing aircraft rotors with automatically folding blades and electrical connection installation for the blades
11/26/2002US6484967 Drive unit for a model helicopter
11/21/2002WO2002093283A1 Control steering device for vertical-takeoff aircraft
11/21/2002WO2002070098A3 Coupling
11/21/2002WO2002070094A3 Remote control flying machine
11/21/2002WO2000037309A3 Adjustable blade profile of the rotor blade of a rotary wing aircraft
11/21/2002US20020171005 Device and process for regulating the power of the engines of a rotary wing multi-engine aircraft
11/21/2002EP1144248A3 Adjustable blade profile of the rotor blade of a rotary wing aircraft
11/21/2002DE10125077A1 Helicopter with concentric rotors has upper rotor of greater diameter than lower one
11/20/2002EP1257463A1 Method for determining a minimal set of rotor blade adjustments
11/20/2002CN1094453C Hybrid aircraft
11/19/2002US6481968 Rotor mast of a helicopter
11/19/2002US6481965 Rotary-wing aircraft rotors with manually folding blades and electrical connection installation
11/19/2002US6481964 Rotor blade having a control flap
11/14/2002WO2002090903A1 Method and device for adjusting a rotary wing aircraft rotor
11/14/2002WO2002090184A1 Composite rotor blade and method of manufacture
11/14/2002WO2002090183A1 Dual trunnion hub-to-mast assembly
11/14/2002US20020168266 Vortex attractor without a backplate
11/13/2002EP1255673A1 Remote-controlled flying machine, in particular for surveillance or inspection
11/13/2002CN1378952A Mixed type airplane
11/13/2002CN1378950A Design scheme of combined armed helicopter
11/12/2002US6480609 Apparatus for suppressing structure borne noises
11/12/2002US6478541 Tapered/segmented flaps for rotor blade-vortex interaction (BVI) noise and vibration reduction
11/12/2002US6478262 Flight control system for a hybrid aircraft in the yaw axis
11/07/2002WO2002087967A2 Anti-torque and yaw-control system for a rotary-wing aircraft
11/07/2002US20020164251 Composite rotor blade and method of manufacture
11/06/2002EP0799147B1 Rotorcraft blades with half-plow vortex generators for reducing blade-vortex interaction noise
11/06/2002CN1377811A Rotary wing helicoptor
11/06/2002CN1093817C Gyroplane and its operation method
11/05/2002US6475639 Ionic polymer sensors and actuators
11/05/2002US6474945 Flap hinge mechanism, method for manufacturing the same, and flap hinge apparatus
11/05/2002US6474184 Tilt and swivel positioning device
10/2002
10/31/2002WO2002085705A1 Rotor system vibration absorber
10/29/2002US6471158 Vertical take-off and landing vehicle configured as a compound autogyro
10/29/2002CA2071028C Helicopter rotor blades
10/24/2002US20020155002 Vortex attractor with a stationary containing ring
10/24/2002US20020155001 Vortex attractor with vanes attached to containing ring and backplate
10/24/2002US20020154998 Conformal sliding bearing
10/24/2002US20020154996 Optimum speed tilt rotor
10/24/2002US20020154940 Device for damped elastic connection and method of manufacturing it
10/24/2002US20020153452 Multi-mode tiltrotor nacelle control system with integrated envelope protection
10/24/2002US20020153451 System for control of active system for vibration and noise reduction
10/24/2002US20020153450 Composite flapping flexure
10/23/2002EP1251068A2 Composite flapping flexure
10/23/2002EP0996569B1 Method and device for assisting the pilot in controlling the turboshaft power and/or rotor speed of heat-propelled helicopters
10/22/2002US6467732 Rotary blade of helicopter
10/22/2002US6467726 Aircraft and torque transmission
10/22/2002US6467724 Articulated drive
10/22/2002US6467723 Active vibration control system for helicopter with improved actustor placement
10/17/2002WO2002081305A1 Helicopter blade and method of manufacture
10/17/2002DE10116479A1 Verfahren und Regeleinrichtung zur Verstellung einer im Rotorblatt eines Hubschraubers schwenkbar gelagerten Klappe Process and control device for adjusting a pivotable rotor blade of a helicopter mounted flap
10/16/2002EP0901450B1 Monolithic structures having improved flaw tolerance
10/15/2002US6464552 Model helicopter
10/15/2002US6464459 Lifting platform with energy recovery
10/15/2002US6464166 Ducted fan vehicles particularly useful as VTOL aircraft
10/10/2002US20020145076 Aircraft
10/09/2002EP1247736A1 Aircraft with rotating mechanical energy accumulator means
10/09/2002EP1007406B1 Vibration isolator for rotorcraft
10/09/2002CN1373837A Hybrid ball bearing with oblique contact
10/09/2002CN1373835A Hybrid ball bearing with oblique contact, and axial stop comprising same
10/08/2002US6461106 Method for reducing blade-vortex interaction noise generated by a rotary wing
10/08/2002US6460803 System for control of active system for vibration and noise reduction
10/08/2002US6460802 Helicopter propulsion and control system
10/03/2002WO2002076824A1 Transmission device for two propellers or rotors with combined rotating and reciprocating movements
10/03/2002US20020141867 Method and control arrangement for adjusting a flap that is pivotally supported in a rotor blade of a helicopter
10/02/2002EP1244873A1 Butt joint for hollow profiles
10/02/2002EP0948441B1 Aircraft with a fuselage substantially designed as an aerostatic lifting body
10/01/2002US6457670 Counter rotating ducted fan flying vehicle
09/2002
09/26/2002US20020136636 Multi-bladed tail rotor hub design for coriolis relief
1 ... 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 ... 102