Abstract: A folding bicycle has a main-frame with a bottom bracket, crank, pedals, and a seat post. A front is attached to the main-frame by a front hinge having an axis parallel to the crank axis, and has a mono-fork suspension. The front frame rotates about the front hinge to a folded position wherein the mono-fork is behind the front hinge axis. A rear swingarm suspension has a rear sprocket and is attached to the main-frame by a rear hinge that preferably is coincident with the crank axis. The swingarm is of a single-stay configuration and is rotatable about the rear hinge to a folded position wherein the rear sprocket is forward of the crank axis. The main-frame may consist of left and right sidewalls spaced apart from one another, and the mono-fork lies at least partially between the sidewalls when the front frame is in the folded position.

Abstract: A storage part structure of a saddle-ride-type vehicle with a key cylinder for opening or closing of a box lid with a simple structure. The storage part structure for a saddle-ride-type vehicle includes a head pipe, a main frame extending rearwardly from the head pipe, a storage box arranged in the vicinity of the main frame wherein the storage box opens upwardly. A box lid covers an opening portion of the upwardly openable storage box in an openable and closable manner, wherein a key cylinder for operating a box-side locking mechanism for locking the box lid is arranged behind a handle holder and in front of the storage box. The box lid includes an arm portion positioned on a side of the key cylinder.

Abstract: A vehicle wheel axle assembly comprises an axle element with a first outer face and a second outer face and a clamping assembly including a clamping element and a gripping element. The gripping element includes an axially inwardly facing grip face and an axially outwardly facing pressure face. The clamping element includes a helical threaded portion and an axially inwardly facing clamping face. The clamping assembly includes an elastically resilient element to axially bias said grip face to be axially inward and distal from said clamp face. The pressure face is axially inboard of the clamping face. The gripping element is rotatable relative to said clamping element. The clamping element is rotationally coupled to the gripping element by a coupling means at a coupling interface.

Abstract: A vehicle which may be propelled by alternating depression of pedals. The vehicle comprises a chassis having a forward end, at least three wheels rotatably supported on the chassis, and a pedal drive for rotating at least one driven wheel in a direction toward the forward end. The pedal drive includes a first pedal and a second pedal, one located towards the forward end and the other located away from the forward end. In operation, one pedal is depressed while the other pedal ascends. A unidirectional clutch permits free wheeling and assures that pedal inputs propel the vehicle forwardly. Optionally, the pedal drive includes a ratio varying gearset.

Abstract: The present invention is directed to a derailleur that can include a base plate disposed between a perimeter of a drive sprocket nest and a pedal sprocket; a chain guide attached to said base plate for moving a chain laterally causing said chain to move from sprocket to sprocket in a sprocket nest; a chain guide surface included in said chain guide for causing said chain to contact over ½ a perimeter of said pedal sprocket decreasing the likelihood of the chain slipping off said sprocket; and, a tension member attached to said base plate for removing slack in a chain as the chain moves from a larger sprocket to a smaller sprocket.

Abstract: A boat includes at least three trim devices positioned aft of the boat's transom. To improve the boat's ability to get on place, each trim device is initially positioned to a deployed position. The speed of the boat is then determined as the boat gains speed. When the speed of the boat exceeds a first predetermined threshold, the first trim device is moved from the deployed position to a non-deployed position. When the speed of the boat exceeds a second predetermined threshold, the second trim device is moved from the deployed position to a non-deployed position. When the speed of the boat exceeds a third predetermined threshold, the third trim device is moved from the deployed position to a non-deployed position. At least one of the first, second, and third predetermined thresholds is different from the other two of the first, second, and third predetermined thresholds.

Abstract: Outboard stabilizing members (110, 210, 310, 410) include a foam core (120, 220, 320, 420) and a bladder (134, 234, 334, 434) configured to be inflated to a design pressure and configured to cover at least a portion of the associated foam core. The bladders are configured to be non-compressive to the foam core. A plurality of joining members (135, 235, 335, 435) connect an inner wall of the bladder with an outer wall of the bladder, such that when the bladder is inflated to the design pressure the outer wall and joining members prevent the inner wall from compressing the foam core. The joining members are preferably inelastic, and may be one-dimensional linear members such as strings or rods, two-dimensional panels, or other webbing.

Abstract: A floating module includes an upper half and a lower half. The upper half includes one edge from which a flange extends downwardly, while the lower half includes an opposite edge that includes an upwardly facing flange. Modules can be interconnected to one another by engaging the upper flange from one with the lower flange from another. Cavities are formed in the lower surface of the module such that water will become entrapped in the cavities when the platform is placed in water. Through use of one way check valves positioned in fluid communication with the cavities, a hydro-lock is formed that prevents the water from escaping the cavities while it is placed in water.

Abstract: A monopod for mounting to the navigation light power port of a marine vessel, such as a bass boat or speed boat, which provides power for mobile accessories, such as cameras and smart phones. The monopod may be fitted with extendable, bendable arms for mounting additional cameras or for providing additional accessories. An embodiment of the monopod includes an extension arm which may be maneuvered and bent such that it provides a fisherman access to multiple accessories even while the fisherman is located in the fishing chair of a bass boat.

Abstract: Some embodiments provide release apparatuses comprising: a body having a first and second mating sections each connected to separate tethers; the first mating section comprising a plurality of movable locking shoes movable between a locked position and a release position configured to allow the first mating section and the second mating section to disconnect; and a hydraulic system configured to induce a force to cause movement of the locking shoes between the locked and release positions, the hydraulic system comprises: a hydraulic fluid source; a hydraulic conduit coupled with the hydraulic fluid source; a hydraulic cylinder coupled with the hydraulic conduit and configured to receive hydraulic fluid; and a bypass valve coupled along the hydraulic conduit and configured to transition between open and closed states in response to pressure within the hydraulic conduit exceeding a hydraulic threshold and to allow leaked hydraulic fluid to be drained.

Abstract: A method and apparatus for replacing a tendon flex bearing on a tension leg platform includes installing a tendon tensioning tool on the Length Adjustment Joint (LAJ) of a tendon and providing a supplemental buoyancy module on the tendon. The tendon tensioning tool is used to disengage the slips from the top tendon connector. The buoyancy of the supplemental buoyancy module may then be adjusted to support the tendon whereupon the tendon tensioning tool may be disengaged permitting removal and replacement of the tendon flex bearing. Following installation of the new (or refurbished) flex bearing, the steps of the procedure may be reversed to return the tendon to its normal operating state. In certain embodiments, top clamp actuation means is provided in the tendon tensioning tool for removing slips from the top clamp.

Abstract: A floating LNG plant including a first and a second converted LNG carrier each provided with a hull and at least one LNG storage tank wherein the floating LNG plant further includes: a connection structure for connecting the hull of the first and the second converted LNG carrier in order to obtain a twin-hull vessel; process equipment for LNG processing on the floating LNG plant; and a mooring system for mooring the floating LNG plant to the seabed, wherein the at least first and second converted LNG carrier each include an LNG carrier, originally provided with a plurality of LNG tanks, wherein at least one LNG tank has been deactivated and/or removed from at least one LNG carrier to create space on the floating LNG plant for installing the process equipment for LNG processing.

Abstract: A movable passenger bridge to embark and disembark passenger to/from a ship. The passenger bridge (1) is movable and comprises one or several telescopic sections (2, 3, 4), where the passenger bridge is arranged to connect to an opening in the hull of the ship, where the section (4) of the passenger bridge that is arranged closest to the ship has the largest cross section area. The passenger bridge is arranged so that the passengers can walk through the sections (2, 3, 4) of the passenger bridge to a connection section, in the shape of a cabin (6), arranged to be connected to the mentioned opening in the hull (5) of the ship or to an opening in the rail at deck of the ship. The passenger bridge is supported by a stand (7) which is movable on the port quay (8), and that the passenger bridge is height-adjustable by means of the stand.

Abstract: A conversion seat for a marine vessel that converts from a lean post configuration to a seat configuration. In a stowed position, the seat is stored vertically exposing a cushion that can be used as a lean post. When a positive lock is released the seat is able to rotate, in some embodiments with an assist from a gas strut, two-hundred and seventy (270) degrees until the seat lands on a horizontal surface. When released, a backrest opens to a desired angle providing a comfortable seat or sun pad. To stow the seat for use as a lean post, the backrest is folded back down and then the seat is able to rotate back through the two-hundred and seventy (270) degrees to its vertical stowed position.

Abstract: A boat apparatus includes an aesthetically pleasing table and a generally horizontal member to which it is mounted. In another aspect, a table is mounted to a ski rope tow bar. Another aspect provides a table mounted to a side rail such that at least a majority of the table projects outboard from a seating area.

Abstract: A dinghy has a hull with gunwales supporting a Bimini top. The Bimini top includes a primary bow supporting secondary and intermediate bows. A UV stabilized polyester Bimini canvas is supported on the bows by fore, aft, and intermediate sleeve portions. The underside of the Bimini canvas supports port and starboard buoyancy aid assemblies each comprising a bladder which is inflatable by an inflation mechanism and CO2 cartridge, and is maintained in its collapsed state by tape loop assemblies adjustable by hook-pile self-fastenings which are frangible on inflation. A protective cover is stitched to the Bimini canvas and is provided with hook-pile fastening means frangible on inflation. A toggle handle pulls a lanyard which passes into the primary bow to operate the mechanism to inflate the bladder.

Abstract: The present invention comprises a self-propelled craft with a U-shaped main body provided with two turbines, one on each flap of the U-shaped main body, which propel the self-propelled craft through turbine operation in a chamber fed by water received by water intakes which is ejected by the ejection openings, and which turbines move inside the turbine operation chamber adopting automatically one of two possible positions due to the casing which is placed in two different positions within the turbine operation chamber, which positioning results from the placement of the device on the water being done by side A or B, the water intake being done through existing water entrances on side A or B of the device.

Abstract: An underwater powered observation system that includes a submersible vehicle assembly with a camera and an on board source of electrical power that receives propulsion directions via a miniature multi-conductor cable connected to a color monitor integral to a control unit. The submersible vehicle assembly is powered by an onboard rechargeable battery that energizes both horizontal and vertical thrusters to guide and move the vehicle assembly through the water from directions communicated by the control unit. The submersible vehicle assembly may include a laser adapted to be directed to the underside of ice so as to locate the vehicle assembly and allow the user to cut a hole in the ice at or near fish. In this manner the vehicle assembly may be utilized for the underwater tasks of locating fish, observing scenery, boat and pier inspection, object recovery, and other underwater tasks.

Abstract: An apparatus (100) for deploying and retrieving seismic nodes (200) comprises a towing connection (101) connecting the apparatus (100) to a towing cable (10) running from a towing vessel; vertical control means (125; 5; 120, 12) for adjusting a height over the seafloor by means of the towing cable (10); horizontal control means (125; 130-133) for adjusting a horizontal position according to the desired path and deployment and retrieval means (151; 160, 170, 180) for deploying and receiving nodes (200) connected to a wire (150) at predetermined intervals along the path. The deployment means are preferably configured to deploy the nodes (150) without substantial pull from the previously deployed wire (150).

Abstract: A rowing shoe retaining system includes a plate mountable to a sole of a shoe and a receiver mountable to a footboard of a rowing boat. The receiver removably retains the plate, thereby removably retaining the shoe.

Abstract: Apparatus and methods for holding the position of a watercraft stationary. An exemplary method includes measuring a velocity of an auxiliary water vessel relative to the watercraft with a first sensor, where the auxiliary water vessel is deployed at a depth between the watercraft and a ground surface of the body of water. The method further includes measuring a velocity of current in the body of water relative to the watercraft with a second sensor. The method further includes processing the velocity measurement of the auxiliary water vessel and the velocity measurement of the current to determine a net movement of the watercraft, and controlling a propulsion system to compensate for the net movement of the watercraft to hold the watercraft in a stationary position.

Abstract: A method for heating a cargo on a watergoing vessel using an energy source (such as a heat source) on another watergoing vessel. The vessels may be underway. The energy may be transferred to the cargo via energy umbilicals configured to carry energy in a transfer fluid. The transfer fluid may be circulated in a cargo heat exchanger configured to move energy into the hot cargo. The energy source on the another watergoing vessel may be a propulsion motor, exhaust heat, or non-propulsion heat source. The method may include heating the hot cargo. The method may also include switching between heat sources when both vessels are configured to heat the hot cargo.

Abstract: A method for balloon launching may include loading a pre-packaged balloon and payload into a shell structure. The pre-packaged balloon may be pulled out of its packaging in a vertical direction, for instance using a gantry crane. The gantry crane may be configured to inflate the balloon from the top of the envelope. The balloon may be inflated while substantially within the shell structure, which may provide protection from wind gusts. A vehicle, such as a heavy forklift, may provide mobility and support for the balloon and shell. Once the balloon is inflated, the vehicle may move the balloon/shell combination at a rate and direction substantially matching the current wind direction/speed. Furthermore, after reaching a zero-velocity condition relative to the wind, the vehicle may assist and/or initiate the opening of the shell. A tether connecting the balloon to the shell structure may be disconnected, allowing the balloon to launch.

Abstract: Methods and apparatuses are disclosed for altitude control of a high-altitude balloon. A bladder or ballonet is provided within an envelope of a balloon. The bladder is tubular-shaped, is inflatable, and is foldable for insertion into the balloon prior to performing a final seam on the balloon. To stabilize the bladder, the bladder may be attachable to one or more interior surfaces of the envelope with one or more ropes.

Abstract: Methods and apparatuses are disclosed for a self-stabilizing ballonet. A bladder or ballonet is provided within an envelope of a balloon. The bladder includes a spheroid body comprising an equator, a top pole, a bottom pole, and an axis crossing through the top pole and the bottom pole. The distance between two poles may be less than the equatorial distance. The bladder is sized and shaped for insertion into an envelope of a balloon and is inflatable to provide altitude control for the balloon.

Abstract: An aircraft comprising a rear opening and a rear door to close such rear opening, wherein the rear door is attached to the fuselage of the aircraft by means of an arrangement having two links due to which the rear door can be displaced longitudinally and in elevation up to a position at the interior of the fuselage.

Abstract: In a helicopter cabin that can be fastened to a fuselage structure of a helicopter, encompassing a cabin floor surface, which extends from a front area to a rear area of the helicopter cabin, with front seats and pilot cabin doors arranged in the front area, and the pilot cabin doors along with a front surface and additional walls include part of an outer hull of the helicopter cabin that envelops the cabin floor surface, the comfort is to be enhanced on the ground and during flight. This is accomplished by virtue of the fact that the cabin floor surface of the helicopter cabin exhibits a cutout with a cutout depth directed toward the longitudinal axis in the area of the front seats tapered in the direction of the longitudinal axis.

Abstract: A fastening device is disclosed for releasably fastening a mechanism in the region of a floor of an aircraft or spacecraft and includes a base component and a latch component. The latch component includes at least one holding portion including a latch-component-side holding face and is movably coupled to the base component between an unlocked and a locked position. When positioned in a predefined mounting position on the floor component and/or on the base component, the holding portion of the latch component engages a fastening portion, and the latch-component-side holding face faces the mechanism-side holding face. During passage of the latch component from locked position into unlocked position a gap between the latch-component-side holding face and the mechanism-side holding face continuously widens. The invention further relates to an arrangement for a cargo loading system.

Abstract: A method and a device for coupling piloting members (20, 50), wherein saturation values (SCpsat?, SCpsat+, SCcopsat?, SCcopsat+) of at least one force saturator (28, 58) are adapted such that a force-feedback is exerted for each of these saturation values at a force-feedback value, taken at the force application centre of the manoeuvring handle (21, 51), of between 4 daN and 40 daN, with the result that a function of disconnecting is at least in part performed by the at least one force saturator.

Abstract: An airfoil, a flap mechanism and an associated method are provided to controllably actuate a flap positioned proximate the trailing edge of an airfoil body. The flap mechanism includes a carrier beam hingedly connected to an airfoil body and also pivotally connected to a flap proximate the trailing edge of the airfoil body. The flap mechanism further includes an actuator, a first plurality of links and a second plurality of links. The first plurality of links is operably connected to the airfoil body, the actuator and the carrier beam. The first plurality of links causes the carrier beam to be rotated with respect to the airfoil body in response to actuation by the actuator. The second plurality of links is responsive to rotation of the carrier beam with respect to the airfoil body. The second plurality of links causes the flap to be rotated with respect to the carrier beam.

Abstract: A split winglet configured for attachment to a wing tip of a wing. The split winglet may include an upper winglet extending from the wing tip above a chord plane of the wing and a ventral fin projecting below the chord plane. The upper winglet and the ventral fin may include tip configurations. At least one of the upper winglet tip configuration and the ventral fin tip configuration may be provided by a curved blade cap attached thereto. The curved blade cap may include a leading edge having a first curve with a first radius, and a trailing edge having a second curve with a second radius different from the first radius. The curved blade cap may also include a distal segment oblique to the first curve and the second curve.

Abstract: A drive system for an aircraft landing gear, the drive system comprising: a pinion gear; a drive shaft arranged to rotate the pinion gear about a drive axis; a driven gear arranged to mesh with the pinion gear to be rotatable by the pinion gear, the driven gear being connectable to a wheel of the landing gear to be capable of rotating the wheel about a wheel axis; and a flexible interface comprising a crowned spline joint between the drive shaft and the pinion gear. The crowned spline joint is arranged to permit tilting of the pinion gear relative to the drive axis. In some embodiments a first spline joint between the drive shaft and the pinion gear is arranged to permit tilting of the pinion gear relative to the drive axis; and a second spline joint is arranged to permit translation of the pinion gear along the drive axis relative to the drive shaft.

Abstract: Drive equipment for rotating by friction an aircraft wheel equipped with a drive track and mounted to turn about an axis (X) on an axle of an aircraft undercarriage. The equipment comprise a base (22), a slide (24) mounted on the base on a sliding axis extending in a radial direction (R1, R1), a support (26) pivotable on the slide on an axis parallel to the rotation axis of the wheel; two rollers (21) rotatable on rotation axes parallel to the pivot axis; a central shaft (28) mounted for rotation on the support and being in engagement with the two rollers to provide their rotation; and an actuator (23A, 23B, 30) for moving the slide and the support between a disengagement position with the rollers distant from the wheel drive track and an engagement position with the rollers are held in contact with the drive track of the wheel.

Abstract: The invention relates to an assembly for rotationally friction driving the wheel of an airplane (3) provided with a driving track (4) and so mounted as to rotate about an axis of rotation on an axle (2) carried by the lower part of an airplane landing gear, with the assembly comprising: a base (22) intended to be fixed to the lower part of the landing gear; two arms (24) mounted to pivot on the base; rollers (21) so mounted as to rotate at the end of each arm, with each roller being associated with a pinion for rotationally driving (31) the roller; a central pinion (26) so mounted as to rotate along the arms pivot axis so that the rollers driving pinions engage with the central pinion; actuating means (29) so acting on the arms of the assembly as to position same either in a disengaged position in which the rollers are separated from the driving track, or in an engaged position in which the rollers are held to rest on the driving track with a predetermined bearing force.

Abstract: A vertical takeoff and landing aircraft includes a pair of ducted lift/thrust fans that are rotatably movable between a first vertical lift position and a second horizontal thrust position. The lift/thrust fans are disposed within curvilinear fan recesses formed within leading edge portions of the aircraft's wings. A downwardly exhausting, ducted lift fan is disposed within the aircraft's fuselage, aft of the aircraft's pitch axis. A power plant, disposed within the fuselage, is coupled with the lift/thrust fans and the lift fan by a transmission system. The lift/thrust fans and lift fan are positioned with respect to one another to be triangulated about the aircraft's center of gravity and the aircraft's center of lift.

Abstract: A rotor blade configured to fold about a blade fold axis includes a first section and a second section. The first section is configured to mount to a rotor hub and includes a first connector having at least one first opening. The second section includes a second connector having at least one second opening. The second section is rotatably coupled to the first section and is configured to rotate about the blade fold axis between an aligned position and a rotated position. A linkage is operably coupled to the first section and the second section. The linkage includes a plurality of links loosely connected such that the linkage is configured to support the second section of the rotor blade only when the second section is in the rotated position.

Abstract: A flight control apparatus for fixed-wing aircraft includes a first port wing and first starboard wing, a first port swash plate coupled between a first port rotor and first port electric motor, the first port electric motor coupled to the first port wing, and a first starboard swash plate coupled between a first starboard rotor and first starboard electric motor, the first starboard electric motor coupled to the first starboard wing.

Abstract: An unmanned aerial vehicle (i.e., drone) has a main body having top and bottom halves shaped to resemble beverage bottle caps, and hinged to one another in a clamshell arrangement to surround an interior compartment. The main body is mounted on a landing gear structure having at least two support legs. For propulsion, multiple rotors (e.g., 4 to 6) are each mounted on collapsible booms that are hingedly mounted to the frame structure of the landing gear assembly. The unmanned aerial vehicle is equipped with spotlights, LEDs that change color, laser lights, strobe lights, multiple speakers, a video display screen, a video camera, a video projector, a satellite/GPS antennae, a digital music storage and playing device, a voice recording and playback device connected to the multiple speakers, at least one battery power source and a computer control module (CPU) for wireless communication with a remote control device.

Abstract: A device includes a propulsion unit configured to move the device and a steering unit configured to control the direction of the device. The device also includes a power unit configured to provide power to the propulsion unit and a charging unit configured to use an electric field to provide electrical power to the power unit. The device further includes a first magnetic sensor configured to determine a vector of one or more magnetic fields and a processor communicatively coupled to the propulsion unit, the steering unit, the power unit, and the magnetic sensor. The processor is configured to receive, from the magnetic sensor, a time-varying signal indicative of a magnetic field and determine, based on the time-varying signal, that the magnetic field is associated with an electrical power transmission line. The processor is further configured to cause the steering unit to direct the device toward the electrical power transmission line.

Abstract: Systems, methods and devices are provided for detecting airborne particulates and/or gases at remote oil and natural gas sites, such as wells, and/or processing and refinery plants. One such system comprises an unmanned aerial vehicle (UAV), such as a drone aircraft, configured for aerial dispatch to the remote site and wireless connection to an external processor, cloud apparatus or the like. The UAV includes one or more on-board sensors configured to detect airborne particulates or gases, such as methane gas, hydrogen sulfide, hydrocarbons, weather conditions, ground-based elements or compounds or the like. The on-board sensors may comprise light transmitters, such as lasers, configured for transmitting light or laser pulses into the ambient environment around the remote site and detecting backscatter to detect the concentration and/or velocity vector(s) of the airborne particulates or gases.

Abstract: A method and system for separating and releasing component parts of a payload of a floating platform in response to a high collision probability is disclosed. The method includes, determining if an in-flight aircraft is within at least a safety zone associated with a floating platform, wherein the floating platform comprises releasably-coupled component parts; and activating, responsive to a determination that the in-flight aircraft is within at least the safety zone, a release mechanism, wherein the release mechanism is configured to uncouple the component parts.

Abstract: This invention relates to an Unmanned Aerial Vehicle hereinafter called “Mother UAV” member (11) capable of carrying modules of Sub Unmanned Aerial Vehicle members (12) hereinafter called “Sub UAV” member. More particularly, the method and system that is capable of communicating via satellite and remote control technology wherein ejecting said Sub UAV members (12) from the Mother UAV member (11) wherein Sub UAV members (12) autonomously fly in sequence in a coordinated manner with the Mother UAV member (11), and capable of engaging in multiple missions in high, medium, low altitude, and surface, also communication with under sea submarines (27). Further, comprises of a method and system that the Sub UAV members (12) are able to return back to the Mother UAV member (11) after the mission is completed and be firmly secured to the flatbed (14) of the Mother UAV member (11).

Abstract: A floor panel apparatus comprises: beams arranged inside an aircraft main body; floor panels arranged on the beams; and ball transfer unit bolts each including a ball transfer unit in which a rotatable ball is disposed and a bolt portion which is integral with the ball transfer unit, the ball transfer unit bolts configured such that the floor panels and the beams are detachably fastened together by the bolt portions with the balls protruding on the floor panel side.

Abstract: The invention relates to a floor attachment assembly for mechanically connecting two aircraft seats to a floor structure of an aircraft, which assembly comprises four attachment points. The floor attachment assembly can be attached to the floor structure by means of one attachment element in each case at the four attachment points. The floor attachment assembly comprises two adapter plates, the two adapter plates being interconnected by means of a connection element. The mechanical connection between at least one of the adapter plates and at least one of the attachment elements is movable along at least one axis. Furthermore, the invention relates to a corresponding aircraft seat.

Abstract: An aircraft includes: a fairing which covers a lower part of a fuselage having a main landing gear bay (MLG bay), and defines a ventilation cavity communicating with the MLG bay between the fairing and the fuselage; and a heat removal system which removes heat generated from the MLG inside the MLG bay to the outside of the MLG bay by suctioning/discharging air through an inlet port and an outlet port leading from the ventilation cavity or the MLG bay to external air. The fairing defines a wheel opening through which a wheel of the MLG enters and exits, and defines a ventilation port, which functions as one of the inlet and outlet ports, between the fairing and an outer peripheral part of the wheel exposed from the wheel opening to the lower side of the MLG bay when the MLG is retracted.

Abstract: Embodiments of a cabin outflow valve having one or more laterally-tapered sealing surfaces are provided, as are cabin pressure controls system including cabin outflow valves. In one embodiment, the cabin outflow valve includes a frame and a first door, which is pivotally coupled to the frame and which is rotated by an actuator between open and closed positions. The first door includes, in turn, a torque input point at which the actuator applies a closing force when rotating the first door into a closed position. A laterally-tapered sealing surface extends along a lateral axis of the cabin outflow valve and has a profile height decreasing with increasing proximity to the torque input point. The laterally-tapered sealing surface helps to ensure the formation of a complete lateral seal when in the first door is rotated into the closed position to significantly reduce or eliminate leakage through the cabin outflow valve.

Abstract: An aircraft temperature control system to control a temperature of an environmental control system includes a ram inlet in fluid communication with an external area of the aircraft, and a ram outlet in fluid communication with an internal area of the environmental control system within the aircraft. A heat exchanger assembly is interposed between the ram inlet and the ram outlet. A ram air flow modulation valve is disposed downstream from the heat exchanger, and is configured to operate in a plurality of positions to regulate airflow delivered to the ram outlet. An electronic valve control module is in electrical communication with the ram air flow modulation valve and at least one temperature sensor. The electronic valve control module is configured to output an electrical signal that adjusts a position of the ram air flow modulation valve based on a temperature value output from the at least one temperature sensor.

Abstract: An Environmental Control System includes sensors, an air purification subsystem, and a controller in communication with the sensors and air purification subsystem. The sensors detect contaminants in outside air supplied through engine and APU bleeds or other air sources including ground supplies and electric compressors, contaminants in recirculated air, particulates in outside air, carbon dioxide in recirculated air, temperature in an environment, and pressure in an environment. These sensed parameters are compared against thresholds. Based on the comparisons, changes to the outside air and/or recirculated air are made.

Abstract: An Environmental Control System includes a sensor, an air purification subsystem, and a controller in communication with the sensor and air purification subsystem. The sensor detects a contaminant in the air and generates a contaminant signal. The controller compares the contaminant signal to a predicted sensory response threshold. When the contaminant signal reaches the predicted sensory response threshold, the controller commands the air purification subsystem to alter a condition in the air.

Abstract: A cabin air extraction system comprising a cabin waste air line and a conveying apparatus which conveys, through the cabin waste air line, waste air to be discharged from an aircraft cabin. A filtering apparatus filters at least part of the cabin waste air flowing through the cabin waste air line. Finally, the cabin air extraction system comprises a filtered air line which conducts at least part of the air which has been filtered by the filtering apparatus to a consumer device present on board an aircraft equipped with the cabin air extraction system.