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Patent No. 5265827

Paddle Wheel Plane

An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.

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Class 244/60 - Transmission of power


Subclass of Class 244 - Aeronautics and astronautics
Definition: Gearing and other means peculiar to aircraft for transmitting
No. of patents: 120
Last issue date: 04/10/2012


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NumberTitleIssue Date
8152096Apparatus and method for vertical take-off and landing aircraft
An aircraft may have a fuselage having a longitudinal axis, a left wing extending from the fuselage, a right wing extending from the fuselage, a tail section extending from a rear portion of the fuselage, a first ducted fan rotatably mounted to the left wing, a seco...
04/10/2012
7896287Split torque geared power transmissions with composite output shafts
A light weight, split torque, geared power transmission having a reduced number of gears and useful for, e.g., transmitting power from an engine to the main rotor of a rotorcraft, includes a ring gear having a pair of oppositely facing angular bevel gears respective...
03/01/2011
7802757Method and system for taxiing an aircraft
The system is used for taxiing an aircraft and comprises at least one multi-spool gas turbine engine, the engine having an electrical motor in a torque-driving engagement with a low pressure spool of the engine. The low pressure spool has a propulsor connected there...
09/28/2010
7694914Propulsion system for model airplanes
A propulsion system for miniature vehicles, such as model airplanes, having multiple direct-current motors arranged about a central axis of the propulsion system in a radial, opposed, in-line, or V-12 configuration. The motors drive a propeller system. ...
04/13/2010
7581695Aircraft with a modified gear, and method of producing the gear
There is described a helicopter having a transmission for transmitting motion from a driving member to a driven member; the transmission has at least a first gear driven by the driving member, and a second gear meshing with the first gear and in turn driving the dri...
09/01/2009
7575192Transmission system for use in microturbine-powered applications
A transmission system for use with a microturbine engine that includes an input shaft operably coupled to the output shaft of the microturbine engine. The output shaft of the microturbine engine and the input shaft of the transmission system operate at a rotational ...
08/18/2009
7481396Small-size high-speed transmission system for use in microturbine-powered aircraft
A transmission system that is used in conjunction with a microturbine engine for propelling an aircraft body, such as a propeller-based fixed-wing aircraft or a rotor-based vertical lift aircraft, or for a wide variety of other applications. The output shaft of the ...
01/27/2009
7434764Variable speed gearbox with an independently variable speed tail rotor system for a rotary wing aircraft
A gearbox of a rotary-wing aircraft includes at least one variable speed system which optimizes the main rotor speed for different flight regimes such as a hover flight profile and a high speed cruise flight profile for any rotary wing aircraft while maintaining an ...
10/14/2008
7413142Split torque gearbox for rotary wing aircraft with translational thrust system
A gearbox of a high speed compound rotary-wing aircraft includes a main module, an input module and a translational thrust module. The input module receives power from the engines to drive a dual, contra-rotating, coaxial main rotor system and a translational thrust...
08/19/2008
7406370Electrical energy management system on a more electric vehicle
An electrical energy management system (100) for a more electrical vehicle is provided. The electrical energy management system (100) includes a vehicle operation system (120) for controlling operation of the more electrical vehicle; an electric...
07/29/2008
7377466Propulsion system for miniature vehicles
A propulsion system for miniature vehicles, such as model airplanes, having multiple direct-current motors arranged radially about a central axis of the propulsion system that drive a propeller system. ...
05/27/2008
7364116Automatic control systems for aircraft auxiliary power units, and associated methods
Systems and methods for operating aircraft power systems are disclosed. A power system in accordance with one embodiment of the invention includes an aircraft auxiliary power unit and a controller coupled to the aircraft auxiliary power unit, with the controller bei...
04/29/2008
7351174Twin turbo-shaft engine with accessory gearbox drive means
The twin turbo-shaft engine according to the invention comprises a high pressure rotor and a low pressure rotor, at least one accessory gearbox driven by mechanical transmission means, main drive pinion means, on each rotor, driving power transmission means each ass...
04/01/2008
7322901Continuously variable transmission
A variable speed transmission having a plurality of tilting balls and opposing input and output discs is illustrated and described that provides an infinite number of speed combinations over its transmission ratio range. The use of a planetary gear set allows minimu...
01/29/2008
7270295Solar thermal aircraft
A solar thermal powered aircraft powered by heat energy from the sun. A heat engine, such as a Stirling engine, is carried by the aircraft body for producing power for a propulsion mechanism, such as a propeller. The heat engine has a thermal battery in thermal cont...
09/18/2007
7270030Transmission with multiple input ports for multiple-engine vehicles
An improved transmission system is provided for an automotive vehicle having multiple engines for reason of fuel economy, including primary and secondary internal combustion engines separately supplied with fuel and having crankshafts in parallel orientation and ter...
09/18/2007
7270296Small-size high-speed transmission system for use in microturbine-powered aircraft
A transmission system that is used in conjunction with a microturbine engine for propelling an aircraft body, such as a propeller-based fixed-wing aircraft or a rotor-based vertical lift aircraft, or for a wide variety of other applications. The output shaft of the ...
09/18/2007
7267300Aircraft capable of vertical and short take-off and landing
Aircraft comprising an airframe having a forward end, an aft end opposite the forward end, a top extending between the forward end and the aft end, and a bottom opposite the top side. The aircraft further includes a power plant mounted on the airframe. In addition, ...
09/11/2007
7201263Viscous damper
A viscous damper for driving accessories by a crankshaft though a viscous coupler of the viscous damper. The rotational driving force of the crankshaft is transmitted to the viscous damper hub through the meshing of a large diameter gear and a driven gear, the visco...
04/10/2007
7201346Circular fixed wing VTOL aircraft
A VTOL aircraft includes a wing, a propulsion system, and an air dam. The propulsion system is located in a central void formed in the wing to cause air flow from an outer perimeter of the wing over the wing and down through the void to generate lift. The air dam is...
04/10/2007
7188802Convertible aircraft provided with two tilt fans on either side of the fuselage, and with a non-tilting fan inserted in the fuselage
The present invention relates to a convertible aircraft provided with first and second tilt fans disposed on either side of the fuselage a little forward of the center of gravity of the convertible aircraft. In addition, the convertible aircraft includes, in remarka...
03/13/2007
7159817Vertical take-off and landing (VTOL) aircraft with distributed thrust and control
An aircraft having a vertical take-off and landing (VTOL) propulsion system. The aircraft includes a fuselage, the VTOL propulsion system, at least one forward thruster, a power source used for both the VTOL propulsion system and forward thruster, fore and aft wings...
01/09/2007
7155328Device and method for determining gearbox positions in an automatic gearbox
A device and a method for determining positions of an automatic gearbox comprises a notched disk (1), an adjustment device for rotating the notched disk (1), a first sensor (14) for measuring the applicable torque, a second sensor (16) fo...
12/26/2006
7011275Internal spur gear drive
An internal spur gear drive has a mounting base including one or more sets of motor mounting lugs extending therefrom, for attaching a corresponding number of drive motors thereto. A drive shaft housing containing a rotary drive shaft extends from the mounting base....
03/14/2006
6941195Method and device for allocating thrust
Force balance and moment balance associated with thrust of air and water craft equipped with thrust generators are preset in view of non-linear characteristics and dynamic characteristics of thrust generators. A performance index for minimizing thrusts generated by ...
09/06/2005
6935479Drive apparatus
A drive apparatus is provided to transmit force from a source of power to a driven assembly, such as a pump, in an aircraft. The drive apparatus can be operated from a disengaged condition back to an engaged condition when the aircraft is on the ground. The drive ap...
08/30/2005
6929215Rotor system for helicopters
A tail rotor system for a helicopter includes a gear box housing retainer (66) coupled to the tail boom (16) of the helicopter. The tail rotor system also includes a power-limiting device (50) configured to disconnect the tail rotor from a power...
08/16/2005
6883752Vibration damper for aircraft engine
An internal combustion engine for an aircraft is described. The internal combustion engine includes a crankshaft defining first and second ends, a propeller, and a transmission disposed between the first end of the crankshaft and the propeller, operatively connectin...
04/26/2005
6883750Split torque gearbox with pivoted engine support
A powerplant system for a vehicle such as a hybrid UAV includes a miniature gas turbine engine and a gearbox assembly. The engine is mounted to the gearbox assembly through a support structure which provides for pivotal movement of the engine relative thereto. The i...
04/26/2005
6863239Fluid conduit for use with hydraulic actuator
A fluid conduit is provided for use in a hydraulic actuating system for controlling an instrumentality disposed on a rotating portion of a machine. The fluid conduit transports pressurized fluid between a fluid source disposed on a non-rotating portion of the machin...
03/08/2005
6840479Airframe mounted accessory drive (AMAD) power take-off shaft auxiliary power generation
In an aircraft having an engine and an AMAD, a power take off shaft is rotationally connected to the engine, and the power take off shaft provides rotational power from the engine. A power producing device having an internal shaft is provided for producing additiona...
01/11/2005
6676073Pivoting power transmission unit with peripheral face toothed gearwheels of the face gear type
A pivoting power transmission unit is provided for transmitting rotational drive from a power source to a rotor configured to revolve about a first axis and configured to swivel about a second axis perpendicular thereto. The transmission unit comprises: i...
01/13/2004
6664656Aircraft electrical power distribution network
A data collection network and electrical power distribution network designed to reduce airplane wire weight and allow nearly complete wiring design and installation of wiring and equipment in the major structural sections of the airplane....
12/16/2003
6612195Split-torque face gear transmission
A face gear transmission system divides the input torque into multiple kinematic paths. The first kinematic scheme consists of a drive shaft and driven shaft having a plurality of pinions which contact a primary face gear. The second kinematic scheme cons...
09/02/2003
6554729Steer-drive for boats and planes
A steer-drive for vehicles primarily operated in fluids (e.g., boats and planes) interposes respective left and right orbital gear drives into the vehicle drivetrain between the engine/transmission or/speed-reducer and the vehicle's respective port and st...
04/29/2003
6484967Drive unit for a model helicopter
The present invention relates to a drive unit for a model helicopter comprising a fuselage in the central portion of which both the drive unit and a rotor shaft 1 are supported, characterized in that the drive unit comprises a horizontally arranged turbin...
11/26/2002
6467726Aircraft and torque transmission
An aircraft including an airframe having a fuselage which extends longitudinally, and having fixed wings including a main wing, a horizontal tail wing and a vertical tail wing. A propeller-rotor torque transmission has a bevel gear which transmits the rot...
10/22/2002
6461212Automatic start control and clutch of toy engine powered by high pressure gas
A starting device of a toy engine comprises a spring, a starting piece, and a unidirectional bevel gear. The motion of the spring between the two fulcrums serves to ensure that the control rod is kept securely in place at a disengaging position and an eng...
10/08/2002
6416016Actuator for an active transmission mount isolation system
An actuator is disclosed for an active vibration and noise control system in an aircraft. The actuator is configured to attach a vibrating component, such as a gearbox mounting foot, to an aircraft support structure. The actuator is actuated by the contro...
07/09/2002
6394387Rotor shaft support and drive arrangement
A rotor shaft support and drive arrangement comprises a bearing damper including a number of interconnected oil cylinders circumferentially distributed about a rotor to dampen the vibration thereof. A flexible diaphragm coupling is provided for transmitti...
05/28/2002
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