Abstract: An electric motorcycle including an electric motor having a transverse oriented rotation axis, the motor including a case. A rear wheel is drivably coupled to the motor for propulsion. A swingarm has a front end defining a swingarm pivot axis. A battery pack includes a plurality of rechargeable electrochemical cells received within an internal cell cavity of a battery case, the battery case formed to include a motor flange. The motor case and the battery case are joined at the motor flange to define a frame of the motorcycle. The motor flange, in side view, covers at least a portion of the motor and extends away from the cell cavity at least to the rotation axis of the motor. The swingarm front end has a first lateral portion pivotally coupled to the motor case and a second lateral portion pivotally coupled to the motor flange of the battery case.

Abstract: A single-cylinder engine includes a cylinder and a cylinder head stacked on an upper portion of a crankcase, and an electronically controlled throttle interposed in an intake passage behind the cylinder head. The vehicle body frame includes a pair of main frames extending rearward from a head pipe, and rear portions of the pair of main frames form a pair of body frames bent downward behind the cylinder head. The electronically controlled throttle includes a throttle valve provided in the intake passage and an actuator that opens and closes the throttle valve. In a side view, an upper edge of the actuator is along a lower edge of the suspension bracket, and a rear edge of the actuator is along front edges of the body frames.

Abstract: A bicycle includes a tube having an edge defining an opening. The bicycle also includes a door having a latching member movable between a latched position and an unlatched position.

Abstract: A centring ring (5) and a method for reducing the risk of breakage of at least one thin-walled area of a centring ring (4) are proposed, the centring ring (5) having at least two thick-walled segments, i.e. at least one first thick-walled segment (15) and one second thick-walled segment (16), said first thick-walled segment (15) having a side surface (23) which faces a side surface (31) of the second thick-walled segment (16), said side surfaces (23, 31) touching each other at least partially or being separated from each other by a gap (37) having a given clearance B (38), and said centring ring (5) including at least one movement limiter (24, 48) which allows the side surfaces (23,31) to merely drift apart under the application of force and/or drift towards each other under the application of force until a certain clearance B (38) is reached.

Abstract: A drive recorder switch arrangement is equipped in a saddle-riding vehicle with left and right handlebars. The arrangement includes a drive recorder switch of a drive recorder that records video images taken by a camera mounted on the vehicle. The arrangement also includes a vehicle body control device arranged at the right handlebar to allow control of a vehicle body of the vehicle, and an accessory control device arranged at the left handlebar to allow control of an accessory of the vehicle. The drive recorder switch is arranged at the left handlebar.

Abstract: A suspension assembly for a cycle includes a link and an indicator having a central opening. The indicator includes a first retention feature. A pivot assembly is disposed in the link. The pivot assembly includes a second retention feature. The first retention feature and the second retention feature cooperate to axially retain the indicator on the pivot assembly while allowing rotational movement between the indicator and the pivot assembly when a force threshold is exceeded.

Abstract: The invention discloses a bicycle crank comprising a first connecting seat, a second connecting seat, a first connecting arm and a second connecting arm, the first connecting seat is connected to an external toothed disc or rotating shaft; the second connecting seat is spaced apart from the first connecting seat and is connected with an external pedal pivotally; the first connecting arm and the second connecting arm are respectively made by fiber winding technology and hot press molding, and have a predetermined length, and the first connecting arm and the second connecting arm are spaced apart from each other and respectively bridged between the first connecting seat and the second connecting seat to connect the first connecting seat with the second connecting seat.

Abstract: A method for controlling an electric drive motor of an electrically drivable bicycle includes determining a cadence of a rider of the bicycle, and operating the electric drive motor under specification of (i) a first predefined target speed for the electric drive motor, which is lower than the cadence of the rider, and (ii) a first predefined torque for the electric drive motor, when the determined cadence of the rider exceeds a predefined cadence threshold value. The method further includes operating the electric drive motor under specification of (i) a second predefined target speed for the electric drive motor, which is higher than the first target speed, and (ii) a second predefined torque for the drive motor, when a rider torque exerted by the rider on a drive train of the bicycle exceeds a first predefined rider torque threshold value.

Abstract: A chain stay for a bicycle has: a first side wall having front and rear ends; a second side wall having front and rear ends, the second side wall being laterally spaced from the first side wall, the front end of the first side wall being forward of the front end of the second side wall; a third wall extending between the first and second side walls, the third wall defining an aperture therethrough permitting the passage of a flexible drive member of the bicycle therethrough; and a top wall connected to tops of the first, second and third side walls. At least a portion of the third wall extends downward from the top wall and from one of the first and second walls toward another one of the first and second walls. A width of the aperture is less than a distance between the first and second walls.

Abstract: An electromechanical rear derailleur is provided for a bicycle, including a base member for attachment to the bicycle. A movable member has a cage assembly attached thereto. A linkage is provided that couples the movable member to the base member and operative to enable movement of the movable member relative to the base member in a direction substantially parallel to the mounting axis. A power source powers an motor module connected thereto to move the movable member and elements thereon.

Abstract: A shifting and gear assembly for a transmission has: a hollow shaft; first and second gears on the hollow shaft, the hollow shaft defining at least one first aperture and at least one second aperture in axial alignment with the first and second gears respectively; at least one first cam follower and at least one second cam follower disposed in alignment with the at least one first aperture and the at least one second aperture respectively; a cam disposed in the hollow shaft, the cam having a minimum cam contact surface having a width measured in a direction parallel to a central axis of the hollow shaft. A distance between the first and second cam followers is less than or equal to 1.1 times the width of the minimum cam contact surface. A shift actuator is operatively connected to the cam for selectively translating the cam in the hollow shaft.

Abstract: A control device is provided for a human-powered vehicle. The control device includes an electronic controller configured to control a motor assisting in propulsion of the human-powered vehicle. The electronic controller is configured to execute a first operation for changing an output of the motor in a case where at least one of a first transmission device and a second transmission device performs a shifting action for shifting a transmission ratio of the human-powered vehicle. Further, the electronic controller is configured to execute a second operation for changing the transmission ratio through a predetermined shifting sequence involving a combination of the shifting action of the first transmission device and the shifting action of the second transmission device.

Abstract: A multi-hull marine vessel includes a retractable hydrofoil system having a pair of retractable foils mounted to deploy from opposite sides of a tunnel defined between adjacent hulls. The foils are pivotably mounted to respective bottoms of the hulls and retract behind respective steps formed therein.

Abstract: A man-over-board recovery ramp for fitting to a boat, comprising: a mounting adapted to be fitted to the boat, the mounting defining a pivot axis; a first conveyor section connected to the mounting and arranged to pivot around the pivot axis; and conveyor means on the first conveyor section for drawing a man-over-board up the ramp.

Abstract: Methods and systems are provided for transient fluidic coupling via reversibly couplable conduits. In one example, a method includes directing a conduit assembly to a receiving port by releasing one or more fluid streams from the conduit assembly. The method may further include fluidly coupling an internal passage of the conduit assembly to the receiving port. The internal passage may extend from the conduit assembly and along a conduit between a pair of free-floating bodies, such as between a wave engine and a tanker ship, so as to exchange one or more fluids, such as an electrolysis reactant and an electrolysis product. The fluidic coupling may be reversible, in that the conduit assembly may be detached from the receiving port to sever the fluidic coupling. In certain examples, the detaching may be actuated by releasing one or more additional fluid streams from the conduit assembly.

Abstract: A recreational flotational device for a person includes first and second elongated foam members (e.g., pool noodles), where the two elongated foam members are coupled at a perpendicular angle, and the first elongated foam member is configured for the person sitting astride thereof, with the second elongated foam member encircling the user's torso laterally.

Abstract: The photovoltaic device includes a base, a photovoltaic power panel disposed on the base to produce electric power using sunlight, and a reflector formed on the upper surface of the base, being provided to accommodate water, and having a receiving groove defined by a bottom and a sidewall extending from the bottom such that the sunlight is refracted according to a difference in refractive index between the air outside the receiving groove and the water accommodated in the receiving groove, and to be reflected toward a lower surface of the photovoltaic panel through the bottom or sidewall. Accordingly, the photovoltaic device may effectively collect sunlight from both sides of the photovoltaic panel to improve power generation efficiency.

Abstract: Renewable Energy (RE) sources are already one of the cheapest sources of energy available today but are variable and infirm, and the open ocean offers many opportunities to generate energy by using various disparate sources and methods on a floating station. These energy stations converting renewable energy including solar, ocean currents, wind, waves and batteries and hydrogen to store energy and provide sufficient stable power and energy as required and available most of the hours. The invention claimed here is a system to capture energy from a combination of wind, solar and ocean currents, along with batteries for storage and later use and hydrogen creation, storage and use for generation. In addition, apparatus is described that provide mechanical stability and resilience in deep open seas and reliably survive storms and hurricanes.

Abstract: Systems and methods for generating a phase-resolved ocean wave forecast with ensemble based data assimilation are disclosed. An example method includes receiving radar data corresponding to an ocean surface, and determining a surface elevation, a surface potential, and an ocean current field of a portion of the ocean surface. The example method also includes generating an ensemble of perturbed ocean surface data, and applying a phase-resolved nonlinear wave model to the ensemble of perturbed ocean surface data to generate forecast ocean surface data. The example method also includes receiving a subsequent set of radar data corresponding to the ocean surface, and applying an ensemble Kalman filter to determine, a subsequent surface elevation, a subsequent surface potential, and a subsequent ocean current field. The example method also includes generating a phase-resolved ocean wave forecast based on iteratively analyzing the subsequent ocean field until a tolerance factor satisfies a tolerance threshold.

Abstract: A system and method in which a buoyant central docking station captures, lifts and couples one or more other sea vessels is disclosed, wherein a flexible, modularized production system is quickly realized on a cost effective basis. The capabilities of a number of older, less expensive, readily available vessels are combined to achieve an effective FPSO substitute that allows lower producing fields to be explored and produced in a profitable manner. The time horizon between initiation and consummation of field operations is reduced, and older vessels that might otherwise be scrapped or retired are again made useful and seaworthy in a safe and profitable exploration and production environment.

Abstract: A safety flag assembly for a life jacket includes a signaling device including a pole and a flag coupled to a first end of the pole and a pouch defining an opening providing access to an interior pocket of the pouch, the interior pocket sized to receive the signaling device therein. The safety flag assembly further includes a clip configured to attach the pouch to a back panel of the life jacket.

Abstract: A SHared Autonomy for Remote Collaboration (SHARC) framework enables distant human users to collaboratively plan and control manipulation tasks using interfaces that provide a contextual and interactive 3D scene understanding. A 3D module is configured to generate a three-dimensional workspace image of a robot workspace utilizing at least one imaging sensor directed at the site. A local server communicates directly with the robot and has at least one local user interface. At least one remote server communicates wirelessly with the local server and with one or more remote user interfaces. A robot autonomy module receives interface inputs from the local user interface and the remote user interfaces, develops an action plan utilizing the interface inputs, and coordinates with the local server to provide instructions to the robot.

Abstract: The invention relates to a Flettner rotary sail (800) capable of turning about a vertical axis, and comprising an aerodynamic surface of rotation extending between a proximal end and a distal end, comprising, between its two ends, a plurality of sections centered on the vertical axis and extending along said axis between two parallel circular hoops, respectively of diameter 2r, and 2r2, the hoops being spaced apart by a distance 2h along the vertical axis, the shape of the aerodynamic surface of the section being defined by the revolution of a continuous meridian curve comprising, between the two hoops, a groove of radius r0 less than or equal to r1 and less than or equal to r2

Abstract: A water jet propulsion boat includes a hull, a drive source, a power storage, a jet propulsion mechanism, a power generator, and a controller. The hull includes a water inlet, a jet outlet, and a flow path connecting the water inlet and the jet outlet and including at least a main flow path extending from the water inlet to the jet outlet. The drive source is located in the hull, and the power storage supplies power to the drive source. The jet propulsion mechanism includes an impeller in the main flow path and driven by a driving force of the drive source to generate a water flow to generate a propulsive force to the hull. The power generator is located in the flow path and uses the water flow generated by the impeller to generate power. The controller charges the power storage with the power generated by the power generator.

Abstract: Trolling motor assemblies and systems employing a fuse for protection of components thereof are provided herein. A trolling motor assembly comprises a shaft, a trolling motor housing, and a main housing. A belt extends between the trolling motor housing and the main housing. A fuse is positioned in at least one of the main housing or the trolling motor housing, and is configured to reduce stress from the shaft applying a force to the belt.

Abstract: A heat transfer apparatus including a reservoir, a pump fluidically coupled to the reservoir, a splitter fluidically coupled to the pump and coupled to a plurality of fluid flows. The heat transfer apparatus includes a first temperature sensor disposed between the pump and the splitter, and for each of the plurality of fluid flows: an adjustable valve, a motor fluidically coupled to the adjustable valve, a second temperature sensor integrated into the motor and a third temperature sensor disposed after the motor. The heat transfer apparatus includes a combiner fluidically coupled to each of the fluid flows, a fourth temperature sensor disposed after the combiner, and a heat sink fluidically coupled to the combiner and the reservoir wherein the second temperature sensor is configured to provide a control signal to a control unit to control fluid flow through the adjustable valve.

Abstract: A power steering device for inflatable boat includes a boat body, an underwater propeller is fixed on one side of the bottom surface of the boat body, a rudder is arranged on the other side of the bottom surface of the boat body, and a swinging handle is provided on the top surface of the boat body, a swinging joint is fixed to one end of the swinging handle, and the swinging joint and the swinging handle are connected by a connection mechanism, the boat body is provided with a mounting hole passed through the boat body, and the rudder and the swinging joint are respectively mounted two openings of the mounting hole, and the rudder is fixed to the swinging joint so as to rotate synchronously.

Abstract: An aircraft capable of carrying at least one passenger and at least one baggage item. The aircraft may include: a fuselage comprising a baggage compartment door, wherein the baggage compartment door comprises at least one securement mechanism configured to secure the at least one baggage item to an interior of the baggage compartment door; a wing mechanically coupled to the fuselage; and at least a first and a second primary variable speed rotors configured to provide lift for the fuselage, wherein each of the at least the first and the second primary variable speed rotors are driven by at least one electric motor that is driven by a power source. Other aspects are described and claimed.

Abstract: The present disclosure is directed to a blended wing body aircraft including a blended wing body, wherein the blended wing body is characterized by having no clear dividing line between wings and a main body along a leading edge of the aircraft; a cabin located within the main body and a transitional portion of the blended wing body; and a plurality of transmissive panels integrated into a ceiling of the cabin configured to transmit light from outside the blended wing body aircraft to inside the cabin.

Abstract: A flight vehicle includes a rotor shaft projecting upward from a body; a rotor head connected to the rotor shaft; and a pair of plate structures located at the upper side of the body and extending in a front-rear direction at right and left sides of the rotor shaft. Each of the pair of plate structures includes a front end, a rear end, an inner surface facing inward in a left-right direction, and an outer surface facing outward in the left-right direction. The front ends of the pair of plate structures are located away from each other in the left-right direction. The rear ends of the pair of plate structures are located away from each other in the left-right direction. During forward flight, pressure at a side where the outer surface is located becomes lower than pressure at a side where the inner surface is located.

Abstract: A shock absorber for a vehicle includes a cylinder and a piston, a portion of which slidably disposed with the cylinder. A magnetic target is fixedly positioned relative to the piston, and a sensor is fixedly positioned relative to the cylinder. The sensor generates a signal according to the position of the magnet target relative to the sensor.

Abstract: A landing gear for a vertical take-off and landing aircraft includes a wheel, a shock absorber with an absorber connection to connect to a fuselage of the aircraft and at least one attachment lever with a lever connection to connect to the fuselage of the aircraft spaced apart from the absorber connection, the wheel being attached to the attachment lever spaced apart from the lever connection, wherein the shock absorber is connected to the wheel directly or indirectly via a wheel connection to provide a load path for vertical load from the wheel to the absorber connection, and wherein the shock absorber comprises a fuse pin at the absorber connection and/or the wheel connection having a predetermined breaking load to break and release the connection at the absorber connection and/or the wheel connection, and wherein the attachment lever comprises a rotary bearing providing a folding movement for the wheel from an extended landing position into a crash position when the fuse pin breaks.

Abstract: An aircraft landing gear shock absorber strut including a damping pin and a flow restricting plate having an orifice through which the metering pin axially moves as the sliding tube moves between the extended and compressed positions, wherein the damping pin or the flow restricting plate is coupled to a separator piston so as to move with the separator piston.

Abstract: A rotorcraft has a rotor blade having a spar comprising an internal space. A weight system is disposed within the spar and the weight system includes a weight tray having an open top, a weight guide rod connected to the weight tray. The weight guide rod extends in a spanwise direction through an interior of the weight tray and a weight is disposed on the weight guide rod and vertically captured by at least one side wall of the weight tray. The weight guide rod is insertable into the weight tray from a location above the weight tray to restrict longitudinal movement of the weight guide rod relative to the weight tray.

Abstract: A thrust generator for a rotorcraft includes: a support part conductively mounted to a conductive base provided in the rotorcraft; a rotor shaft rotatably and conductively supported by the support part; multiple rotating blades joined to the rotor shaft; and a drive unit mounted to the support part via a first electrically insulating part, wherein an output shaft of the drive unit is connected to the rotor shaft via a second electrically insulating part.

Abstract: A plurality of VTOL rotors are divided into a plurality of groups, and each VTOL rotor is included in any one of the groups. A controller can perform stop control for stopping the rotation operation of each VTOL rotor during flight, and in a case of canceling the stop control of the plurality of VTOL rotors, the controller performs cancellation of the stop control sequentially on a group-by-group basis.

Abstract: An aircraft frame includes a fuselage, at least one boom and a wing structure including a first lifting surface having a first root portion located proximate the at least one boom and a first tip portion where at least a portion of the first tip portion is located forwardly from at least a portion of the first root portion, a second lifting surface having a second root portion located proximate the fuselage, and a second tip portion located spaced from the first tip portion where at least a portion of the second tip portion is located rearwardly from at least a portion of the second root portion, and a connector surface extending between the first and second tip portions.

Abstract: Provided is a process that includes: obtaining, using one or more surface tension sensors, one or more surface tension measurements of a surface, determining a reaction force for an aircraft using the one or more surface tension measurements and a weight of the aircraft. The process includes causing one or more engines included in the aircraft to generate thrust based on the reaction force.

Abstract: A store-side mechanical interface includes attachment features formed in a wing base(s) on opposite sides of a store Cg for securing an expendable aircraft store with fixed or foldable wings to an aircraft in capture carriage and releasing the expendable aircraft store therefrom. The mechanical interface does not add mass, require additional volume or have an aerodynamic drag penalty and can withstand the large forces placed on it during operation of the aircraft. During captive carriage, the attachment features formed in the wing base are revealed for mechanical engagement with a complementary attachment feature on the aircraft. Upon release, the attachment features are either positioned aft of a wing base or covered by movement of a portion of a wing such that the first and second attachment features do not impede air flow over the store.

Abstract: A helicopter external cargo hook with dual load beams and a pair of separately independent internal mechanisms configured with multiple releases for rotating each load beam from a closed position to an open position.

Abstract: An in-flight entertainment system kit and an installation method thereof are disclosed for a passenger seat and an aircraft. The in-flight entertainment system kit includes a display assembly, and the display assembly includes a flexible support board and a flexible display screen installed on a passenger side surface of the flexible support board. The passenger seat includes the in-flight entertainment system kit. The aircraft includes the in-flight entertainment system kit or the passenger seat. The in-flight entertainment system kit and the installation method thereof, the passenger seat and the aircraft can improve the in-flight safety, and provide a compact design, which can provide the necessary auxiliary functions without occupying the available space of the passenger, and can further realize the quick assembly and disassembly of the in-flight entertainment system kit.

Abstract: A vehicle lavatory monument assembly that includes an enclosure having first, second, third and fourth walls that cooperate to define a lavatory interior, an entry door positioned on the second wall, and a sink basin assembly positioned in the lavatory interior. The sink basin assembly includes a sink basin that includes a back wall, a top wall, a bottom wall, a first side wall, and a second side wall that cooperate to defined a sink basin interior. The top wall includes a top surface and a bottom surface, the bottom surface partially defines the sink basin interior, and the top surface is a counter.

Abstract: A galley for an aircraft, including a compartment, which has a doorframe and an end wall, for receiving two trolleys, and a locking system which includes a rod that can be rotated and actuated by a handle, a slider which is free in translation on the rod and is locked in rotation relative to the rod, and a separator which is attached to the slider and is designed to occupy alternatively a retracted position in which it is intended to be raised above the trolleys, and a locking position in which it is intended to extend vertically in contact with a wall of one of the trolleys. With such an arrangement, the position of the separator can be modified according to the length of the trolleys.

Abstract: The present disclosure provides layouts of columns of lie flat passenger seats for an aircraft cabin. Each column includes a first row, such as a front row, including at least one oblique seat, a second row including at least one forward facing seat, and at least one further row including at least one forward facing seat. None of the seat rows, other than the first rows, include an oblique seat. Each seat is configured to adjust between an upright condition and a lie flat condition, nest with at least one other seat, and utilize a forward footwell formed in a console associated with another seat or a monument. The oblique first row provides a space savings in the cabin layout as compared to conventional layouts wherein all seats are oriented forward facing.

Abstract: Aspects of the present disclosure can be embodied in a systems for heating an exterior surface of a bulk medium. In one example, the system includes two or more coupling strips spaced apart from one another and attached to the bulk medium. Each of the coupling strips has a multi-layer structure extending along a surface of the bulk medium that forms, in combination with the bulk medium, an electrical transmission line. The multi-layer structure includes a first dielectric layer over the bulk medium, a conductive layer over the first dielectric layer, a second dielectric layer over the conductive layer, and a conductive shielding layer over the second dielectric layer. A power control system is coupled to the conductive layer of each of the coupling strips and to the bulk medium. The power control system is configured to heat the bulk medium by providing current to the coupling strips.

Abstract: The present disclosure provides for pneumatic deicer boot assemblies, and related methods of fabrication and use. More particularly, the present disclosure provides for bartack stitched pneumatic deicer boot assemblies for aircraft or the like, with the bartack stitched pneumatic deicer boot assemblies having an inflatable carcass formed by two layers (e.g., a stretchable layer and a non-stretchable layer) stitched together using bartack stitches.

Abstract: [Object] To provide a structure capable of further improving safety of a device that autonomously moves in an emergency situation. [Solution] Provided is a circuit including: a report unit configured to report action-allowable time information regarding an action-allowable time to a base station; and an action control unit configured to control an action of a moving object on the basis of an action instruction decided on the basis of the reported action-allowable time information and notified of by the base station and to control an action with reference to a map in which a danger level for each place is defined in an emergency situation.

Abstract: A regulator arrangement for an inflatable includes a regulator housing comprising a bore, the bore comprising a longitudinal axis, a piston disposed in the bore and configured to translate, with respect to the regulator housing, along the longitudinal axis, an adjuster plug disposed in the bore and axially adjacent the piston, an adjuster plug stop disposed at least partially within the bore, and a spring member disposed between the adjuster plug and the piston. The adjuster plug comprises a tapered head and a shaft portion extending from the tapered head. The adjuster plug stop comprises a tapered surface configured to contact the tapered head.

Abstract: A method for forming a composite propulsion system case includes providing a liner, bonding a thermoplastic film layer to the liner using an adhesive, and, subsequent to bonding the thermoplastic film layer to the liner, depositing a thermoplastic composite material onto the thermoplastic film layer to form an outer shell of the composite propulsion system case. The outer shell extends circumferentially about an axial centerline of the composite propulsion system case. The outer shell forms an outer radial surface of the composite propulsion system case.

Abstract: An aircraft hybrid electrical propulsion (HEP) system includes an electrical system configured to deliver power to a plurality of electrical loads, a propulsion system configured to generate thrust in response to an input power, and an HEP controller in signal communication with the electrical system and the propulsion system. The HEP controller is configured to monitor a load demand of at least one electrical load among the plurality of electrical loads and to actively control the input power to actively control the thrust in response to changes in the load demand.