Abstract: A self-balancing vehicle comprising two axially spaced wheels (3, 4) mounted on a main body (2), an electric drive coupled to at least one wheel (3, 4), control means adapted to maintain the vehicle in balance by controlling the drive, a receptable for carrying and conveying a load, the vehicle having an adjustment mechanism (7) for linear displacement of the receptable arranged so that the receptable is adjustable by the linear displacement both along the longitudinal axis and along the vertical axis of the vehicle.

Abstract: A compactable vehicle is provided. The vehicle includes a body, a steering assembly coupled to the body, and a seating assembly coupled to the body. The steering assembly includes a wheel assembly, an elongated structure retractably coupled to the body, and a handlebar. The elongated structure includes a first end, a second end coupled to the wheel assembly, and a slot that extends between the first end and the second end. The handlebar is pivotally disposed in the slot. The seating assembly includes a support member retractably coupled to the body and a seat pivotally coupled to the support member.

Abstract: A stop for handlebars of two-wheeled vehicles is integrated into the control head bearing of the vehicle. It is formed by a first component installed in the control head bearing with a circular arc-shaped groove that is arranged coaxially to the rotational axis of the control head bearing and a stop element protruding into this groove. The stop element is arranged on a second component that can be moved relative to the first part. The stop at the lower control head bearing is arranged within the head tube. The circular arc-shaped groove is arranged in the base and open towards the lower bearing shell. The lower bearing shell comprises an open recess extending over its height to the lower rolling bearing, which receives a stop element. The stop element has a radial lug protruding into the circular groove of the base.

Abstract: An operating device for a human-powered vehicle comprises a base structure, a switch unit, and an additional switch unit. The base structure is configured to be mounted to the human-powered vehicle. The switch unit is configured to be activated in response to a user input. The switch unit includes a base member. The additional switch unit is configured to be activated in response to an additional user input. The additional switch unit includes an additional base member. The base member and the additional base member are coupled to the base structure at an attachment axis.

Abstract: The present disclosure relates to a system for control of front and/or rear suspensions of a bicycle. The system comprises at least one sensor and one control unit. The at least one sensor is connected to the control unit and the control unit is configured to receive information from the sensor, determine a ride state of the bicycle from the information and send a suspension setting signal to the front and/or the rear suspension corresponding to the ride state. The control unit is further configured to establish an event, the event comprising information about said ride state of the bicycle and a suspension setting signal to the front and/or the rear suspension corresponding to the ride state and defining a minimum duration in time for the event.

Abstract: A pump-action mobility and exercise device may include a pumping arm attached to a foot slide. As the pumping arm is actuated, the foot slide moves forward and rearward in response to the pumping action. The foot slide can also be moved by a user's foot movement. The foot slide may be connected to a drive mechanism that selectively engages a chain or belt that loops around a drive wheel arranged on an axle of the vehicle. When the drive mechanism catches and moves the belt or chain in a forward direction, the axle rotates in a forward direction to drive the vehicle forward. A reverse mechanism may also be provided that selectively causes the drive mechanism to catch and drive the belt or chain in an opposite direction.

Abstract: A coupled steering tilting and embedded independent shock absorption swing arm system (STS) system of a personal mobility vehicle, for example, but not limited to, a three-wheeled trike configuration, is disclosed.

Abstract: A snow vehicle having a combined brake and clutch handle is herein disclosed. Further, the snow vehicle can include a controller for managing operation of the snow vehicle, including shifting and engine management regiments, which can be selected by the operator depending upon operator preferences. Additionally, the snow vehicle can include an engine cooling heat exchanger for cooling liquid which is circulated through the engine.

Abstract: A bicycle operating apparatus includes a base member, an operating member, an electrical switch, a wireless transmitter, and a power supply device. The base member is configured to be attached to a bicycle body. The operating member is movably mounted to the base member configured to be operated by a user. The electrical switch is configured to be activated by an input operation from the user. The wireless transmitter is configured to be electrically connected to the electrical switch and is configured to wirelessly transmit a signal to an additional bicycle component in response to the input operation. The power supply device is configured to supply electrical power to at least one of the electrical switch and the wireless transmitter. The wireless transmitter and the power supply are mounted to the base member.

Abstract: A control device of an internal speed change device of a wheel hub for clutching operation includes a rod; a lever installed on the rod; the lever being connected to a controlling claw sliding block; an electric sliding block installed on a lever sleeve; the lever sleeve serving to receive a back end of the lever; an electric bushing located at an outer side of the lever sleeve; a controlling ring located at an outer side of the electric bushing; and wherein force of attraction or repulsion between the controlling ring and the electric sliding block drives the electric sliding block to rotate or move axially so as to drive the lever to move forwards or backwards axially; and moving of the lever drives the controlling claw sliding block to control clutching of the internal speed change device.

Abstract: A bicycle derailleur comprises a derailleur body and a cable holder. The derailleur body is configured to be attached to a bicycle frame. The cable holder is configured to hold an electric cable.

Abstract: A bicycle derailleur structure is mounted on a bicycle frame to correspond to a flywheel unit and includes a support arm, a screw rod, a tension bar, a gear shift unit. and a drive unit. The tension bar has an end having an interior space receiving an elastic member therein to be mounted on the support arm in an elastically oscillating manner. The gear shift unit includes two protector plates in threading engagement with screw rod, and first and second pulleys arranged between the two protector plates. The screw rod is operable to drive the gear shift unit in order to align a chain on the flywheel unit to align with the gear shift unit.

Abstract: A suctioning watercraft fender attaches to a watercraft while the watercraft is in a mooring state. The watercraft fender may couple a first watercraft to a second watercraft or a first watercraft to a fixed surface. The watercraft fender includes a body defining a longitudinal axis, wherein the body includes first and second opposing ends. The fender further includes a first coupling member coupled to the first end of the body. The first coupling member includes a first suction cup and a first pressure mount actuatable to selectively lock or release the first suction cup from a first surface.

Abstract: The present invention is directed to an inflatable and floatable modular platform system. The inflatable platform system of the present disclosure includes floating elements of differing nesting shapes and sizes configured to be interconnected in order to allow users to stand, sit, and walk between floating elements. Embodiments include inflatable platforms having circular, arc-shaped, rectangular, and L-shaped inflatable platforms.

Abstract: The floating system is a single column tension leg platform for a floating offshore wind turbine (SCTLP). The single column tension leg platform comprises a central main vertical floating column, a buoyant base attached to and disposed below the central main vertical floating column, a station keeping system attached to the buoyant base, and an inter array cable riser system. The buoyant base is of one of a triangular shape and a circular shape.

Abstract: Disclosed is a method and device for automatic detection of vessel draft depth, which processes the image of a vessel's hull and extracts local area image blocks with vessel's water gauge scale separately to improve the pertinence of data processing and reduce the complexity of data processing; and based on a multi-task learning network model, performing data processing on local area image blocks to extract scale characters and waterline position, reducing the computational complexity of the model; finally, based on the relative positions of the scale and waterline, determining the vessel's draft depth, thus achieving automatic acquisition of the vessel's draft depth, this method greatly improves the efficiency of reading the vessel's draft depth.

Abstract: Inflatables can have one or more flat segments that are configured to form one or more bends. The flat segments of the inflatables could be formed using any technique such as drop stitch. One or more bends may be maintained in one or more flat segments of an inflatable such as to create a ladder and a slide. A variety of bend maintaining components can be used to maintain the one or more bends.

Abstract: A rigid-inflatable boat (RIB) includes a solid hull and an inflatable tube, forming a part of a gunwale. The boat includes a tube air filling system with an air conduit arranged to communicate with air pumping system and a tube, where the air conduit extends along at least a portion of the tube. The solid hull includes a gunwale portion, forming a part of the gunwale, where the air conduit is enclosed in the gunwale portion.

Abstract: Objects of the present invention are provide as evaluation method of ship propulsive performance in actual seas, an evaluation program of ship propulsive performance in actual seas and an evaluation. system of ship propulsive performance in actual seas capable of precisely evaluating ship propulsive performance in actual seas on the same scale also before the ship sails for example. As solving means of the objects, a standard sailing model 2 of the ship in actual seas is set, a sailing condition of the ship and a ship condition of the ship are input to the standard sailing model 2, the standard sailing model 2 into which the sailing condition and the ship condition are input and the ship condition are applied to a previously verified calculating method 1 of ship performance is actual seas, and ship propulsive performance in actual seas is evaluated.

Abstract: A hydraulic steering device for boats, vessels or the like, includes a hydraulic pump coupled to a drive motor to feed a drive fluid alternately according to two flow directions; a hydraulic actuating cylinder connected to the delivery and return of the pump; and a fluid flow distributor switching the connection of the delivery and suction of the pump alternatively to one of two inlets/outlets of the cylinder communicating with one of two chambers of the cylinder. The actuating cylinder is mechanically articulated to a steering member, which determines direction change by modifying its orientation relative to an axis of the boat, the vessels or the like, preferably to a longitudinal axis, the modification of steering member orientation being implemented by the actuating cylinder according to the supply of the drive fluid to the cylinder caused by operation of the pump.

Abstract: A method and a device can be used to transmit data onboard a watercraft using an onboard power supply network. A central control unit generates an instruction for a first consumer module. The instruction is transmitted from the central control unit via a first control unit-head station data connection to a first head station. The first head station converts the instruction into an instruction signal that is transmittable via the power supply network. The instruction signal is transmitted from the first head station via a first head station-power line data connection, the power supply network, and a first coupling module-power line data connection to a first coupling module. From the instruction signal, the first coupling module again generates an instruction that can be transmitted via a data connection. The instruction is transmitted from the first coupling module via a first coupling module-consumer data connection to the first consumer module.

Abstract: A method for storing a watercraft above a surface portion is disclosed. The method includes permanently attaching a first base member to the surface portion at a first location, permanently attaching a second base member to the surface portion at a second location that is spaced at a distance from the first location, removably attaching a first support assembly to the first base member, and removably attaching a second support assembly to the second base member. The distance is less than a length of the watercraft.

Abstract: In a marine vessel, a propulsion system comprises at least one propeller having a direction of rotation about a drive shaft and a bulbus protrusion extending from the hull associated with each of the at least one propeller, each protrusion extending from the hull of the vessel, each protrusion receiving and rotatably supporting the at least one propeller. Each protrusion extends between leading and trailing ends and has a substantially circular cross section along a length between the leading and trailing ends having and a leading portion extending from the leading end wherein the leading portion is angled away from the centerline of the hull.

Abstract: A method is for making a marine drive for propelling a marine vessel in water. The method includes providing a gearcase; installing a propeller shaft assembly that extends forwardly from the gearcase; coupling front and rear propellers to the propeller shaft assembly, forwardly of the gearcase, such that rotation of the propeller shaft assembly causes rotation of the front and rear propellers, respectively, which thereby propels the marine vessel in the water; and reducing deleterious effects of cavitation on the gearcase by the combination of forming the gearcase with a wide trailing end portion, in particular to maintain pressure alongside the gearcase, and configuring the front and rear propellers so that the front propeller absorbs more torque/thrust load than the rear propeller during said rotation.

Abstract: A marine propulsion system for a marine vessel includes a marine propulsion device, a plurality of power storage devices, and a charge distribution circuit. The marine propulsion device includes an engine and an alternator driven by the engine to generate a charge current. The plurality of power storage devices includes at least a first power storage device and a second power storage device, wherein each power storage device is configured to receive current from the alternator. The charge distribution circuit is positioned between the alternator and the plurality of power storage devices and includes an isolator configured to isolate the first power storage device from the second power storage device, a charge sensor configured to sense a charge level of the first power storage device, and a relay configured to connect and disconnect the second power storage device to/from the alternator based on the sensed charge level.

Abstract: The present invention refers to a new multilayered material, reinforced with fibres and having an improved adhesion between the layers throughout its entire structure; to a process for its preparation and to the articles made with such material, intended to be exposed to adverse conditions, such as strong winds, stretching, temperature changes, such as for example sails for boat.

Abstract: A method for erecting the structure of an aerostat in successive horizontal sections, starting from the top horizontal section, including an iteration of the following steps, starting from a current state of completion of the aerostat structure, lifting the current state of the structure, at first lifting points, by means of lifting means arranged in a current transverse position; placing a support device in line with second lifting points for lifting the current state of the structure; transferring the current state of the structure from the lifting means to the support device; moving the lifting means to another transverse position; completely assembling the horizontal section immediately below the current state of the structure on the structure.

Abstract: An improved composite stiffener and methods and tooling used to form the same. The stiffener includes one or more base flanges, a composite rod extending in an axial direction, a bulb cap surrounding the composite rod, and an upright web extending from the one or more base flanges to the base cap. The upright web includes a non-linear profile in the axial direction providing the improved lateral stiffness. The method includes providing tooling including a first compression tool extending in the axial direction and including a first web portion having a non-linear profile, and a second compression tool extending in the axial direction and including a second web portion having a non-linear profile. Plies are placed within the tooling and compressed such that at least a portion of plurality of plies are compressed in the web forming portion thereby forming a web of the bulb stiffener having a non-linear profile.

Abstract: An aircraft fuselage end cargo door mechanism including a hinge rotatably coupling an aircraft fuselage end cargo door to a fuselage. The hinge being coupled to both the aircraft fuselage end cargo door and the fuselage so that an entirety of an axis of rotation of the aircraft fuselage end cargo door, defined by the hinge, relative to the fuselage is located forward of an entirety of a major joint line between the aircraft fuselage end cargo door and the fuselage. An uppermost portion of the major joint line comprises a joint line radius where a portion of the joint line radius formed by the aircraft fuselage end cargo door pivots within another portion of the joint line radius formed by the fuselage.

Abstract: A heated floor panel may comprise a base assembly and a heating element located on a first surface of the base assembly. A panel skin may be located over the heating element and the first surface of the base assembly. The panel skin may extend from the first surface of the base assembly to a second surface of the base assembly opposite the first surface of the base assembly.

Abstract: A system for controlling the pitch setting of a propeller blade for an aircraft turbine engine is provided. The system generally including a blade having an airfoil connected to a root; a cup having an annular wall extending about a pitch axis of the blade and a lower axial end enclosed by a bottom wall; a locking ring that extends around the root and inside the cup; a safety element that ensures the retention of the root relative to the cup. The at least one safety element can have a generally elongate shape and can pass through aligned holes in the bottom wall of the cup and in the free end of the root.

Abstract: The variable pitch propeller assembly includes a hub. The variable pitch propeller assembly also includes a plurality of propeller blade assemblies spaced circumferentially about the hub. Each of the plurality of propeller blade assemblies configured to rotate a respective propeller blade. The variable pitch propeller assembly also includes a hydraulic fluid port assembly integrally formed and including at least three hydraulic fluid ports configured to receive respective flows of hydraulic fluid from a stationary hydraulic fluid transfer sleeve. The variable pitch propeller assembly also includes a pitch actuator assembly coupled in flow communication with at least three hydraulic fluid ports through respective hydraulic fluid transfer tubes. The pitch actuator coupled to the plurality of propeller blade assemblies to selectively control a pitch of the propeller blades. The pitch actuator assembly includes a travel stop configured to limit a rotation of at least one of the pitch actuator assemblies.

Abstract: An actuator system includes a motor and an actuator positioning member to be driven by the motor from a start position to an actuated position. The system also includes a harmonic drive assembly between the motor and the actuator positioning member arranged to transfer torque from the motor to the actuator positioning member at a gear ratio of greater than 1:1. The system further includes means for disconnecting the harmonic drive assembly in response to failure of the motor and/or torque transfer such as to allow the positioning member to return to the start position.

Abstract: A system and method for controlling boundary layer transition for a high-speed vehicle are disclosed. The method includes determining a location of onset of boundary-layer transition that naturally develops during high-speed flight of the high-speed vehicle, and providing a pair of flow control strips at a surface/wall/skin of the high-speed vehicle such that the boundary-layer transition is delayed or prevented during high-speed flight of the high-speed vehicle. The delayed or prevented locations of the transition result in a change in the high-speed boundary layer during the high-speed flight of the high-speed vehicle. The change in the high-speed boundary layer transition affects skin friction drag, aero-thermodynamic heating, and pressure fluctuations in the boundary layer of the high-speed vehicle.

Abstract: An aircraft wing is disclosed having a root end, a tip end, a span extending between the root end and the tip end, a leading edge, a trailing edge and a chord extending between the leading edge and the trailing edge, and including a main fixed wing portion having an inboard portion adjacent the root end, and an outboard portion adjacent the tip end. A wing tip device attached to the tip end of the wing; and a movable flight control surface connected at the outboard portion of the main fixed wing portion and having a leading edge, a trailing edge and a chord extending between the leading edge and the trailing edge. A ratio of the local chord length of the movable flight control surface to the local chord length of the wing varies in the spanwise direction.

Abstract: An aircraft landing gear assembly comprising: a structural pin defining a first bore having a longitudinal insertion axis; a cap for covering the bore, the cap comprising: a base portion; a head portion; a body portion positioned between the base portion and the head portion; and a bolt which extends between the head portion and the base portion and comprises a threaded portion so that engagement of either the head portion or the base portion with the threaded portion moves either the head portion or the base portion relative to the other, the body being formed of an elastically deformable material such that upon tightening of the bolt, the base portion moves towards the head portion and the elastically deformable material moves radially outwards such that a contact surface of the elastically deformable material engages with an inner surface of the first bore in order to retain the cap.

Abstract: A method of monitoring the condition of an aircraft landing gear shock absorber, the shock absorber including at least one spring chamber containing a gas, the method comprising taking a plurality of measurements of the gas pressure and temperature, each gas pressure and temperature measurement pair being taken of at the same instant relative to an operating cycle of the shock absorber; calculating, based on each pair of gas pressure and temperature measurements, a first value; storing the first value in a log; determining a value trend based on the log; and in response to determining that the value trend is outside a first range of values, generating a first notification signal.

Abstract: Proposed is a system and method of controlling safety devices of a rotary-wing aircraft, the system and method preventing indiscreet operation of safety devices by automatically or manually deploying the safety devices in accordance with the risk levels of accidents. The system includes sensors configured to detect motions of the aircraft, and a controller configured to control risk levels of accidents in flight on the basis of signals from the sensors and configured to control safety devices mounted on the aircraft to be automatically or manually operated, depending on risk levels of accidents.

Abstract: Composite assemblies are described that include composite spars that are co-cured with one or more sacrificial members on their flanges, forming an integrated sacrificial surface for the composite spars. In one embodiment, the composite assembly includes a composite spar having a web and flanges that project from sides of the web. The composite assembly further includes a sacrificial member of composite materials co-cured with the composite spar on an outer surface of at least one of the flanges. In addition, the sacrificial member has an outer surface that has been machined into conformance with an inner surface of at least one skin panel for an aircraft structure to form a contact surface with the at least one skin panel.

Abstract: A braking force generation device is configured to have: a first mode in which a deflector and a blocker door are retracted with respect to a wing; a second mode in which, in a state where: (i) a leading edge of the deflector is separated from the wing; (ii) a trailing edge of the deflector is at or adjacent to the wing; and (iii) the blocker door is deployed: a first flow path is formed on a lower surface side of the deflector for fluid to flow from a rear of the wing to a front of the wing via a cross flow fan from an opening on a blocker door side to a leading edge opening on a leading edge side of the deflector in the first flow path; and a third mode in which a second flow path is formed on the lower surface side of the deflector.

Abstract: An unmanned aerial vehicle includes a main unit having a thrust generating part for flying in air, a suction device that has a suction part and is fixed to the main unit, and a control device that controls operations of the thrust generating part and the suction device such that the suction part is configured to be suctioned to a wall surface by the operation of the suction device to allow the main unit to be attached to the wall surface, wherein a suction state detecting part that detects a suction state of the suction part, is provided, and the control device controls the operation of the thrust generating part based on a detection by the suction state detecting part in suction phase and/or departure phase of the main unit with respect to the wall surface.

Abstract: Systems, devices, and methods including: a latching mechanism comprising: a first latch configured to attach to a door of an unmanned aerial vehicle (UAV); a second latch configured to attach to a portion of the UAV distal from the first latch; a string connected between the first and second latch, where the string secures the door shut; at least two radio modules in communication with a ground control station; and at least two burn wires in contact with a portion of the string between the first latch and the second latch; where current from a backup battery passes to at least one burn wire when the burn signal is received, where the burn wire causes the connection between the first latch and the second latch to be broken and the door of the UAV is separated from the UAV, and where the parachute is deployed when the door of the UAV is separated from a rest of the UAV.

Abstract: An aerial vehicle, comprising: one or more motors, one or more sensors, and a flight sub-system. The one or more sensors configured to detect data. The flight sub-system includes an attitude controller module; a rate controller module; and a compensator module. The compensator module is configured to: determine a maximum RPM of the one or more motors or a maximum torque of the one or more motors; receive a torque vector from the rate controller module; determine a rotational speed of the one or more motors to generate a desired flight orientation based upon the torque vector; and consider sensor data from the one or more sensors to adjust the rotational speed of the one or more motors.

Abstract: A high-lift device surface and associated method of designing the high-lift device surface is described. Methods include entering one or more flight conditions, and receiving aerodynamic forces at a wing, the wing comprising a fixed portion, a seal coupled to and extending from the fixed portion of the wing, and a high-lift device surface having an as-built shape determined based on an anticipated deformation during flight. Methods also include deforming the high-lift device surface based, at least in part, on the received aerodynamic forces, contacting, based on the deforming, the high-lift device surface with the seal, wherein the deforming causes the high-lift device to deform from the as-built shape to a second shape, and wherein the contacting causes the high-lift device to fully contact the seal to prevent air flow between the seal and the high-lift device surface due to the received aerodynamic forces.

Abstract: A wing (5) for an aircraft (1) including a fixed wing (7), a high-lift device (15) and a hold-down arrangement (27) between two supports (23, 25) and having a first hold-down element (29) attached to the high-lift device (15) and a second hold-down element (31) attached to the fixed wing (7). The first hold-down element (29) contacts the second hold-down element (31) when the high-lift device (15) is in a retracted position to prevent a trailing edge (22) of the high-lift device (15) from detaching from an upper surface (19) of the fixed wing (7). One of the hold-down elements (29, 31) is a load-limited hold-down element (32) which is destroyed when loads transmitted through the hold down elements (29, 31) exceed a threshold. Once destroyed, the trailing edge (22) of the high-lift device (15) is not prevented from detaching from the upper surface (19).

Abstract: The present invention relates to a method and a device for lifting a load, wherein at least one aerial drone carries at least a portion of the load. In order to lift a load, it is proposed to yoke together a plurality of aerial drones or at least one aerial drone and a lifting hook of a crane, and provide a common control system for the plurality of aerial drones or the at least one aerial drone and the lifting hook of the crane, in order not to have to control a plurality of aerial drones at the same time, or also an aerial drone in addition to the crane hook, using separate control means, in a “multi-handed” manner.

Abstract: A waste drain system is configured to be coupled to a toilet. The waste drain system includes a conduit including a main body defining an internal passage having a central longitudinal axis, and one or more cutting blades extending from the main body toward the central longitudinal axis. The one or more cutting blades are configured to cut one or more items that pass through the internal passage.

Abstract: Described are temporary privacy modules for non-passenger seating areas of aircraft cabin arrangements. The temporary privacy modules selectively enclose a portion of the non-passenger seating areas. The temporary privacy modules include a support and a privacy device. The privacy device is movable relative to the support between a stowed position and a deployed position. In the deployed position, the privacy device encloses the portion of the non-passenger seating area and defines a temporary privacy room within the non-passenger seating area.

Abstract: A personal aircraft seat air treatment system may include an air blower, a ventilation output component installed within a passenger compartment, and a treatment component fluidically coupled to the air blower and the ventilation output component. The air blower may be configured to receive cabin air from a cabin air ventilation system installed in an aircraft cabin. The ventilation output component may be configured to provide treated air to a breathing area of a passenger proximate to an aircraft seat installed in the passenger compartment. The treatment component may be fluidically coupled to the air blower and the ventilation output component. The treatment component may be configured to receive the cabin air from the air blower and treat the cabin air to generate the treated air.

Abstract: A ventilated adjustable headrest may include an adjustable metal insert, a nozzle fixedly attached to the adjustable metal insert. The nozzle may be in fluid communication with a perforated covering and one or more cushion elements. The nozzle may be telescopically coupled to one or more ventilation ducts. The one or more ventilation ducts may be configured to receive forced air from a ventilation system at an air inlet, and may be configured to deliver the forced air to the nozzle.