Patents
Patents for B64C 11 - Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft (3,644)
05/2005
05/05/2005US20050093507 Methods and systems for starting propeller-driven devices
04/2005
04/21/2005US20050084379 Compressor blade root for engine blades of aircraft engines
04/19/2005US6881025 Suction cup vortex attractor
04/19/2005US6880514 Oil receiver
04/14/2005US20050079053 Cyclic actuation system for a controllable pitch propeller and a method of providing aircraft control therewith
03/2005
03/30/2005CN1195155C Impeller unit
03/24/2005WO2004009723A8 Low light level illumination for rotating objects
03/17/2005WO2005023645A1 Lift augmentation device and method
03/17/2005DE10339046A1 Vorrichtung zum Elysiersenken Apparatus for Elysiersenken
03/16/2005EP1514797A1 Closed wing
03/16/2005EP1514121A1 Device for detecting impacts on an aeronautic propeller
03/15/2005US6866482 High-performance propeller
03/15/2005US6866475 Fan assembly for use in powered airborne vehicles
03/10/2005US20050052880 Low light level illumination for rotating objects
03/03/2005WO2005020413A2 Self regulating rotor
03/02/2005EP1509775A1 Device for detecting impacts on aeronautic propeller blades
03/02/2005EP1377501A4 Aerodynamic article with protective coating and method of bonding metal to polyurethane
03/02/2005CN1587693A Multipower wind and water energy machine
03/01/2005US6860772 Transverse watercraft propeller
02/2005
02/24/2005US20050042095 Self regulating rotor
02/23/2005EP1508395A2 Electrochemical machining device
02/09/2005EP1073583A4 Control system for blades for a variable pitch propeller
02/03/2005CA2532599A1 Rotor blade tip section
01/2005
01/27/2005US20050016842 Fixture for electro-chemical machining
01/26/2005EP1499804A1 Device for adjusting a rotor blade of a wind energy turbine
01/25/2005US6845940 Lift generator by continuously rotating impeller
01/13/2005WO2005003324A2 Improved vertical take-off and landing vehicles
01/13/2005CA2514777A1 Improved vertical take-off and landing vehicles
01/05/2005CN1559857A Cancave-convex blade and concave-convex screw propeller
01/04/2005CA2198753C Rotary apparatus
12/2004
12/23/2004WO2004110862A1 Wind turbine blade and method of manufacturing thereof
12/23/2004DE10326719A1 Verdichterschaufelfuß für Triebwerksschaufeln von Flugzeugtriebwerken Verdichterschaufelfuß for turbine blades of aircraft engines
12/15/2004EP1486415A1 Wind turbine blade and method of manufacturing a blade root
12/15/2004EP1485290A1 Permanent magnet alternator for a gas turbine engine
12/15/2004EP1485288A1 Actuation system for a controllable pitch propeller
12/08/2004EP1484475A2 Root of an aircraft engine compressor blade
12/02/2004WO2004103813A1 A self-contained variable pitch and/or constant speed propeller including provisions for feathering and reverse pitch operation
12/02/2004WO2004103811A1 Hollow type impeller for water surface shifter
12/02/2004US20040240998 Fluid flow control mechanism
11/2004
11/25/2004US20040232281 Method for the control of aero gas turbine engines
11/24/2004EP1478570A2 Improved vertical take-off and landing vehicles
11/18/2004US20040227035 High lift and high strength aerofoil section
11/11/2004WO2004063571A3 Cooling fan with reinforced blade
11/03/2004CN2652824Y Drill shape screw propeller
11/02/2004US6811687 Vortex pool cleaner
11/02/2004US6811376 Actuation system for a controllable pitch propeller
11/02/2004CA2376386C Quick disconnect bracket system for propeller deicer
10/2004
10/28/2004WO2004092010A1 Propulsor
10/26/2004US6808140 Vertical take-off and landing vehicles
10/21/2004WO2004090346A1 Method and apparatus for modifying the flow properties of a fluid medium in the vicinity of a propeller, fan, turbine or engine
10/12/2004US6802881 Rotating wave dust separator
10/12/2004US6802693 Vortex attractor with vanes attached to containing ring and backplate
10/07/2004DE10310816A1 Variable pitch propeller for ultra-light aircraft, uses control device connected to positioning element for blade angle adjustment lever mechanism
10/06/2004CN2646045Y Culvert fan type screw propeller
10/06/2004CN1533947A Gyroplane
09/2004
09/29/2004EP1462664A2 Methods and apparatus for joining gas turbine parts together
09/23/2004US20040184921 Compressor blade for an aircraft engine
09/22/2004CN1167575C Rotor with split rotor blades
09/16/2004WO2004078465A1 Wind turbine blade, spar for wind turbine blade and method of preparing these
09/16/2004WO2004078462A1 Connection between members
09/16/2004WO2004078461A1 Connection between composites with non-compatible properties and method for preparation
09/16/2004WO2004078442A1 Pre-consolidated pre-form and method of pre-consolidating pre-forms
09/16/2004US20040179941 Turboprop engine with co-rotating two-stage high-performance propeller
09/08/2004EP1343688B1 Offset crowned roller assembly for variable pitch propellers
09/08/2004EP1015305B1 Airfoiled blade for a propeller
09/07/2004US6786036 Bimodal fan, heat exchanger and bypass air supercharging for piston or rotary driven turbine
09/02/2004DE10307610A1 Verdichterschaufel für ein Flugzeugtriebwerk Compressor blade for an aircraft engine
09/02/2004DE10305352A1 Turbopropantrieb mit mitläufigem Zweistufenhochleistungspropeller Turboprop engine with mitläufigem two-stage high efficiency propeller
08/2004
08/31/2004US6783096 Vertical lift flying craft
08/25/2004EP1450006A1 Compressor blade for aircraft engines
08/24/2004CA2378607C Rotor with a split rotor blade
08/19/2004US20040161339 Gas turbine engine nose cone
08/18/2004CN1521085A General lift propulsion system
08/12/2004WO2004067380A1 Proprotor blade with leading edge slot
08/11/2004EP1445193A1 Turboprop power plant with two corotating and axially displaced propellers
08/05/2004WO2004065211A1 Propelling device
08/05/2004WO2004065210A1 Propelling device
08/05/2004DE10297109T5 Vorrichtung zur Antriebslinearisierung Device for drive linearization
08/04/2004EP1441946A2 Vertical lift flying craft
08/03/2004US6769874 Permanent magnet alternator for a gas turbine engine
07/2004
07/29/2004WO2004063571A2 Cooling fan with reinforced blade
07/27/2004US6767187 Electrohydraulic device for varying the pitch of the blades of a machine rotor
07/22/2004US20040139710 Passive transfer chamber separator
07/22/2004US20040139709 Dynamic transfer chamber separator
07/20/2004CA2093702C Arrow shaped end blade for rotary wing aircraft
07/08/2004US20040131470 Cooling fan with reinforced blade
07/01/2004US20040126241 Forward swept high efficiency airplane propeller blades
07/01/2004DE19833869C5 Vorrichtung zur Herstellung von Rotorblättern An apparatus for the production of rotor blades
06/2004
06/24/2004WO2004009723A3 Low light level illumination for rotating objects
06/24/2004US20040118978 Helicopter rotor and method of repairing same
06/24/2004US20040118091 Rotating wave dust separator
06/15/2004US6749401 Hydrodynamically and aerodynamically optimized leading edge structure for propellers, wings, and airfoils
06/08/2004CA2246674C Shaft phase control mechanism
06/03/2004WO2004045948A1 Rotary blade
05/2004
05/20/2004US20040096331 Aerodynamic article with protective coating and method of bonding metal to polyurethane
05/19/2004DE10252910A1 Drive, especially for lighter-than-air aircraft, has electric drive in propeller casing, windings in blade tips for magnetic regulation of constant small rotor/stator air gap, and integral magnetic drive
05/18/2004US6736600 Rotor with a split rotor blade
05/13/2004US20040091359 Blade and wing configuration
05/13/2004US20040091357 Vortex attractor without a containing ring
05/11/2004US6732521 Control system for a turbo-charged diesel aircraft engine
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