Abstract: A static sealing element (1) includes an elastic tapered washer (10) the deformation of which enables a force to be transmitted, a casing (18) to establish the seal, and two supporting washers (27 and 28) which transmit the forces originating from the elastic washer (10) to the curved edges (20, 21) of the casing (18) so as to exert on them a pressure which maintains the seal. The casing (18) made thus be manufactured from a ductile material, but one which is less deformable than the customary elastomers.

Abstract: An arrangement including a receptacle part (1) and a connecting body (2), wherein the connecting body (2) has a base body (3) having an inside surface (5) which is in contact with an outer surface (6) of the receptacle part (1). The base body (3) includes a thermoplastic elastomer connected to the outer surface (6) of the receptacle part (1). The outer surface (6) is designed to be rough enough so that the thermoplastic elastomer will enter into a form-fitting connection and/or an adhesive bond with the outer surface (6) after softening and then solidification.

Abstract: A weather strip seal is provided for sealing between first and second structures, and a method for manufacturing such a strip seal. The weather strip seal includes a main leg made of a polymeric material, having one side and another side and terminating in first and second ends, a first sealing portion designed to press against the first structure and extending on the one side of the leg adjacent the first end, and a metal carrier for retaining the shape of the strip seal which has an asymmetrical substantially U-shaped cross-section having a first branch reinforcing a portion of the main leg and a second branch extending from the second end on the another side and terminating in a second sealing portion designed to sealingly press against the second structure. An ionomer tie layer is located between the metal surface and the at least one polymeric material.

Abstract: The invention provides a die seal ring structure. The die seal ring structure includes an inner seal ring portion surrounding an integrated circuit region. An outer seal ring portion is surrounded by a scribe line, surrounding the inner seal ring portion, wherein the outer seal ring portion has an outer top metal layer pattern with a first width extending over the inner seal ring portion and connecting to an inner next-to-top metal layer pattern of the inner seal ring portion. A first redistribution pattern is disposed on the outer top metal layer pattern, having a second width which is narrower than the first width. A second redistribution pattern is disposed on the first redistribution pattern. A redistribution passivation layer covers the second redistribution pattern and the inner seal ring portion, wherein the redistribution passivation layer is separated from the scribe line by a second distance.

Abstract: A coupling device for coupling together a tool holder (3) with a rotatable spindle (2) of a machining machine. The coupling de-vice comprises: - a female-shaped coupling part (10) with an internally cone-shaped section (11) and a male-shaped coupling part (20) with an externally cone-shaped section (21); - an annular groove (25) arranged in the externally cone-shaped section; - locking balls (15), which are radially displaceable in radial holes (16) in the internally cone-shaped section; and - a locking sleeve (30), which is arranged on the outside of the female-shaped coupling part and which is rotatable between a releasing position, in which the locking balls can be displaced radially to a retracted position while allowing a mutual axial displacement between the coupling parts, and a locking position, in which the locking balls are kept in engagement in said groove while preventing a mutual axial displacement between the coupling parts.

Abstract: An electrostatic chuck comprises: a ceramic plate provided with recesses on a major surface and provided with an electrode in an inner part of the ceramic plate; a temperature regulating plate bonded to the major surface of the ceramic plate; a first bonding agent provided between the ceramic plate and the temperature regulating plate; and a heater provided in the each of the recesses of the ceramic plate. The first bonding agent has a first major agent including an organic material, a first amorphous filler including an inorganic material, and a first spherical filler including an inorganic material. The first amorphous filler and the first spherical filler are dispersion-compounded into the first major agent. The first major agent, the first amorphous filler, and the first spherical filler are made of an electrically insulating material. An average diameter of the first spherical filler is greater than a maximum value of a minor axis of the first amorphous filler.

Abstract: The present invention is a fence stay drill bit used along with a drill to install and uninstall fence stays more efficiently. The present invention further encompasses a method of installing and uninstalling fence stays using the present invention. The present invention has a drill bit extrusion and an elongated body which houses a slot and a recess. In the preferred embodiment, the elongated body has a cylindrical body which is a safety feature in preventing the present invention from accidentally attaching itself onto objects in the surrounding during use. The elongated body is also attached to a large fillet and a stay receiving lip. Both the recess and the stay receiving lip help guide a tip of a fence stay into the slot therein. The slot has a cavity which traps and stabilizes the tip of fence stay while the present invention is rotated by the drill.

Abstract: A chuck assembly has a wafer chuck attached to a shaft that has a passage defined therewithin. The chuck assembly also has a seal module that has a rotatable assembly and a fixed assembly. The rotatable assembly is disposed around and anchored to the shaft and has a spacer, a rotatable collar, a rotatable diaphragm, and a rotatable seal ring connected to the rotatable collar through the diaphragm with a leak-tight seal. The fixed assembly is disposed around the spacer and has a fixed collar and a fixed seal ring that is sealed to the fixed collar with a leak-tight seal. The fixed collar has a passage defined therewithin that has an opening that connects through the spacer to the passage defined within the shaft. The chuck assembly further includes a housing, to which the fixed assembly is fastened, that may be affixed to a base.

Abstract: Skateboard designs including a hanger with a yoke with two arms, comprising a bumper which provides an increasing force as the wheel axles are pushed away from their resting position, and wide wheels with an asymmetrical and gradually tapering profile as the wheels extend outward from the midline of the board, for improved “surfing-like” maneuverability including an enhanced ability to “carve” like a snowboard.

Abstract: Disclosed is a trailer for traffic monitoring that comprises means which enable the wheels to be raised and lowered as well as at least one system for detecting and documenting red light and/or speed infringements arranged in such a way that it can be integrated into the body of the trailer.

Abstract: A stack comprising a number of identical shopping carts pushed one inside the other, which stack can be transported with the aid of transportation means such as trucks, containers, and the like and is kept ready for removal and for use of the individual shopping carts after being transported to a collection point, which is constructed by self-service shops, wherein the shopping carts are pushed one inside the other by means of the chassis and the baskets thereof both during transport and at the collection point in such a way that a stack distance is formed between each shopping cart, wherein a stack distance is greater than a stack distance and the length of the stack having the stack distances is greater than the length of the same stack having the stack distances, and wherein the stack having the length is intended for transport and the stack having the length is intended to be provided at a collection point.

Abstract: The present invention is generally directed to a pack, such as a backpack or daypack, that is customizable in size, functionality and features, and appearance. The pack has two physically separate portions, the front of the pack and the back of the pack, that are releasably connected together to form the pack and an accessible space therein. An optional middle portion or expandable panel can be added between the front and back portions to further expand the size of the accessible space. The pack can be customized through the selection of material and design of the material, shoulder straps, a waist belt, a pull handle or cart and wheels, and detachable pockets of different sizes and shapes. The pack can also be personalized through the addition of various design elements. A pack system is also provided that allows complete customization of a pack and its features.

Abstract: The present invention the present invention relates to methods and systems for performing security screening using trays and a cart to facilitate the management and flow of those trays.

Abstract: Skateboard designs including a hanger with a yoke with two arms, comprising a bumper which provides an increasing force as the wheel axles are pushed away from their resting position, and wide wheels with an asymmetrical and gradually tapering profile as the wheel extends outward from the midline of the board, for improved “surfing-like” maneuverability including an enhanced ability to “carve” like a snowboard.

Abstract: A steering bearing assembly includes a cap and a bearing element that define an axial force transmission path therethrough. A compression ring is moveably coupled to the cap and is disposed radially inwardly of the bearing assembly outside of the axial force transmission path. The compression ring includes an inner annular surface adapted to transmit a radial compressive force from the cap to a steerer element. A steering assembly, and method for assembling the steering assembly, also are provided.

Abstract: A suspension assembly including a core member; and a skin member bonded on said core member. The skin member having a higher strength than the core member.

Abstract: A pulsar ring includes a portion to be detected and a pulsar ring mounting portions that project in a radially outward direction from an outer peripheral portion of the portion to be detected. The portion to be detected and a pulsar ring mounting portion are arranged so as to form continuous planar surfaces. The pulsar ring is rigidly mounted on a mounting boss of a wheel using a bolt by fastening a brake disc wherein the pulsar ring overlaps with the brake disc mounting portion. Even when the brake disc thermally deforms at the time of braking so that the pulsar ring mounting portion is pulled radially outwardly, the portion to be detected and the pulsar ring mounting portion are arranged on the same plane thus forming the continuous planar surfaces. Thus, the portion to be detected is hardly twisted with hardly any deformation of the portion to be detected.

Abstract: A double bridge bicycle fork with integrated brake unit, suited especially for racing bicycles and time-trial machines, comprises two fork legs connected by a fork crown. Further, a bottom bearing seat is connected with the fork crown. A steer tube is provided in front of the rotational axis of the fork, seen in the direction of travel, said axis being defined by the bottom bearing seat and the upper bearing seat. The steer tube is connected with the stem by means of screws. This makes it possible not to provide a rigid head tube between the two bearing seats, but to arrange a sleeve in the embodiment illustrated that has an opening for passing actuation elements therethrough, such as switching or brake cables.

Abstract: A head pipe of a vehicle body frame includes an upper side head pipe with a pair of upper and lower facing piece parts extending from an upper side pipe part so as to fit to upper and lower wall portions of a pair of right and left main frames, a lower side head pipe with a lower side pipe part joined to the upper side pipe part and a front side tongue piece part extending from the lower side pipe part so as to fit to a front wall portion of a down frame, and a reinforcing member joined to a rear portion of the upper side head pipe and having a rear side tongue piece part extending so as to fit to a rear wall portion of the down frame from a vertical wall part positioned between inner side wall portions of the main frames.

Abstract: The invention relates to a scooter with a folding device and the folding device. The folding device comprises a first rotating part, a second rotating part and a locking part. The second rotating part is pivotally connected with the first rotating part such that the second rotating part is rotatable about a pivot axis relative to the first rotating part. The locking part comprises a locking pin which is movable in the direction of the pivot axis between a locked position and a released position. When the locking pin is in the released position, the second rotating part is rotatable relative to the first rotating part. When the locking pin is in the locked position, the second rotating part is locked and not rotatable relative to the first rotating part. This folding device has compact structure and simple appearance. The scooter is convenient to carry and store.

Abstract: A safety brake system for a trailer comprises a brake end having a brake unit adapted to be secured to a trailer and positioned to block movement of the trailer when actuated and an actuation end adapted to be secured to a front end of the trailer. The actuation end comprises a hitch ball coupler having a hand portion defining a concavity adapted to receive a hitch ball of a vehicle. It also comprises a mechanism operatively connected to the hitch coupler and displaceable with respect thereto. The mechanism comprises a probe plunger and a hitched position. The mechanism is connected to the brake unit for actuation of said brake unit. The safety brake system also comprises a biasing unit. A trailer assembly is also provided.

Abstract: The invention relates to a binding for a boot on a ski, including a toe-piece, a connection member having a front end secured to the ski and a rear end, the connection member being provided with a hook-engagement structure, a rear base adapted to be attached to the ski and a hooking mechanism associated with the rear base. The hooking mechanism includes a gripping member which is movable with respect to the rear base and is capable of moving into a first position in which it engages the hook-engagement structure of the connection member so as to limit a vertical movement of the rear end of the connection member, and a first return member exerting a force on the gripping member so as to move the latter toward the toe-piece. The binding also includes a heel-piece connected to the rear portion of the connection member. The longitudinal position of the heel-piece in relation to the connection member is adjustable.

Abstract: The present invention relates to the field of foldable and stair wheelchairs for transporting patients provided with technical features which are able to assist in closing it and braking it, patient immobilization and cleaning of the belts. The foldable, stair wheelchair for transporting patients having a manual and/or pedal braking device and automatic closure device includes at least one pedal device for automatically closing the chair, including in turn at least one command lever that extends under a seat, having the ends hinged to the front struts of the chair in hinge points, and at least one elastic return element. Also included is a manual or pedal braking device for simultaneously braking the back wheels, including at least a tubular handle located between the back struts of the chair, at least a rod and means to impart braking on the back wheels, interposed between the handle and the back wheels themselves, joined to the rod.

Abstract: A golf cart folding device comprises an upper frame having a handle tube at an upper end of the upper frame; a rear wheel stand coupled to the upper frame by a connecting plate, and having a rear wheel at a lower end of the rear wheel stand; a pull rod coupled to the upper frame and the rear wheel stand; a lower frame, coupled to the upper frame, and having a front wheel at a lower end of the lower frame; and a link rod mechanism between the upper and lower frames for drawing the lower frame and the front wheel together towards the rear wheel by the linking of the link rod mechanism when a golf cart is folded, so as to achieve the effects of skipping a step of folding the front wheel, preventing making a user's body or cloth dirty, and providing a simple and easy operation.

Abstract: A golf cart folding device comprises an upper frame having a handle tube at an upper end of the upper frame; a rear wheel stand coupled to the upper frame by a connecting plate, and having a rear wheel at a lower end of the rear wheel stand; a pull rod coupled to the upper frame and the rear wheel stand; a lower frame, coupled to the upper frame, and having a front wheel at a lower end of the lower frame; and a link rod mechanism between the upper and lower frames for drawing the lower frame and the front wheel together towards the rear wheel by the linking of the link rod mechanism when a golf cart is folded, so as to achieve the effects of skipping a step of folding the front wheel, preventing making a user's body or cloth dirty, and providing a simple and easy operation.

Abstract: A method of forming a fabric for an air-bag, the method comprising providing a plurality of yarns, each yarn being formed from a plurality of individual fibres; applying an activatable additive or coating to each yarn, the additive or coating initially not being activated and wherein, prior to activation, the additive or coating presents little or no impedance to the relative movement of the fibres within the yarn and, following activation, the additive or coating binds fibres within the yarn to one another to prevent or hinder relative movement of the fibres in the yarn with respect to one another; and passing the yarns through an activation zone including a compressing component which applies a compressive force to the yarns, the additive or coating being activated as the yarns pass through the activation zone so that the yarns each have a substantially flat configuration.

Abstract: Provided is a steering wheel in which, even in the case where a moving part of a horn switch exists in a space formed between a pad and a main body, harness can be prevented from getting caught in a gap. The steering wheel includes a first horn plate secured to the main body, a second horn plate secured to the pad, guide pins arranged vertically on the second horn plate and inserted through openings of the first horn plate, flange-shaped stoppers formed on the guide pins, an insulators disposed so as to be slidable along the guide pins, and coil springs that urge the insulators toward the stoppers. The insulator covers an outer periphery of the stopper and has a wall surface portion, the height of which is substantially equal to an offset distance between a fixed contact and a moving contact.

Abstract: The disclosure provides an inflator device for a passive restraint device, like an airbag. In certain aspects, a fuel-rich gas generant grain is located in actuating proximity to an initiator device. The grain has at least one flow channel through which a shock wave generated by the initiator device passes. The shock wave opens a burst disc between the inflator housing and downstream airbag to permit gases to flow into the airbag. A chamber storing pressurized gas (having at least one oxidant, e.g., O2) is also disposed within the inflator. Upon initiator actuation, the oxidant can react with combustion products of the initiator and the fuel-rich gas generant and flow into the airbag for rapid inflation. Methods of inflating airbags and improving airbag deployment reliability are provided. Such inflators are particularly suitable for large volume (greater than 60 liter) airbags.

Abstract: Inflator connectors for inflatable personal restraints and associated systems and methods are described herein. An inflator connector configured in accordance with an embodiment of the present technology, for example, can include a body having an attachment portion and a sleeve portion and a coupling rotatably received in the sleeve portion. The attachment portion of the body can include a first bore having a first engagement feature positioned toward a first opening for operably engaging at least one of an inflator and a gas tube. The sleeve portion can include a second bore in fluid communication with the first bore. The coupling can include a second engagement feature positioned toward a second opening for operably engaging the other of the inflator and the gas tube.

Abstract: An apparatus (10) for helping to protect an occupant (20) of a vehicle (12) comprises an inflatable vehicle occupant protection device (14) inflatable between a vehicle surface (36) and the vehicle occupant. A vent (160) releases inflation fluid from the protection device (14). The vent (160) has an actuated condition and a non-actuated condition. A tether (150) has a first connection with the vent (160) and a second connection with the protection device (14). Tension on the tether (150) actuates the vent (160). The vent (160) is initially in the non-actuated condition upon initial deployment of the protection device (14). Further deployment of the protection device (14) causes the tether (150) to place the vent (160) in the actuated condition. Occupant penetration into the protection device (14) causes the tether (150) to place the vent (160) in the non-actuated condition.

Abstract: A forward mount is disclosed which is secured to the frame of an off-road vehicle to enable the rearward ends of a push-tube assembly to be secured thereto. The forward mount of this invention may be attached to the main frame of off-road vehicles of different manufacturers in various ways.

Abstract: An inner fender that faces a wheel arch of a bumper face includes an undercut portion formed on a side of an inner peripheral wall, the side of the inner peripheral wall being an outer side with respect to a vehicle width direction. The undercut portion includes a lower side wall that radially inwardly recedes from the inner peripheral wall and is superposed with a lower end of the wheel arch of the bumper face, an upper side wall that radially outwardly protrudes from the inner peripheral wall and is disposed above the lower side wall so as to be continuous with the lower side wall, and a flange that extends outward in the vehicle width direction from a front end of the upper side wall and is secured to an inner portion of the bumper face.

Abstract: The present application is directed to progress tracking aids for a medicine container. A base label may be adhered to the medication container, and a plurality of data fields disposed on the base label. A top label may cover at least a portion of the base label.

Abstract: A sticker includes a backing layer, a sticker body including a top layer and an adhesive layer, and a security arrangement cutting through the top layer only and being stopped at an adhesive layer to ensure the sticker body being completely removed from the backing layer without tearing the top layer apart. The security arrangement includes a plurality of lead edge notches evenly provided along the outer flange of the top layer, and a cutting line structure formed at the top layer. After the sticker body is completely removed from the backing layer and is applied for sticking on an object surface, the sticker body becomes a self-destructive layer by the security arrangement to be torn apart at the time when the sticker body is removed from the object surface so as to ensure the sticker body being unable to be removed completely from the object surface.

Abstract: An exhaust module made of a thermoplastic material which is connected to a fascia or bumper of a vehicle. In one embodiment, the hybrid fascia mounted exhaust tip assembly includes a bracket. The bracket has a large diameter portion which surrounds, but is not in contact with, an exhaust pipe. The exhaust pipe is free to move around as a result of the vehicle traveling over bumps in the road and around turns. The bracket also has a small diameter portion which is connected to the large diameter portion. A ring tip has a portion that slides onto a bezel portion of the small diameter portion.

Abstract: An internal tube is inserted into an external tube to align first bolt holes provided through opposed walls of the external tube with second bolt holes provided through opposed walls of the internal tube. A bolt is inserted through the first bolt holes and through the second bolt holes to connect the tubes together when the bolt holes are aligned. An error-proofing clip is mounted in the internal tube and has a tongue extending from the end thereof to reach into the external tube and block the insertion of the bolt through the first bolt holes of the external tube until the insertion of the internal tube has proceeded fully to bring the first bolt holes of the external tube and the second bolt holes of the internal tube into alignment with one another, thereby preventing a premature installation of the bolt through only the first bolt holes.

Abstract: A pipe connector providing a pivotable fluidic coupling. The pipe connector comprises a male pipe connector and a female pipe connector, the male pipe connector comprising a ball portion coupled to and pivotable within a socket portion of the female pipe connector, thereby providing a pivotable fluidic coupling between the male pipe connector and the female pipe connector.

Abstract: The invention is a pipe joint that is particularly suitable for joining pipes composed of materials having a low surface energy and excellent resistance to solvents. The major components are an extrudable adhesive; a first pipe having a socket with an inside diameter, where said socket has a mouth, a self-centering bottom, and a substantially cylindrical wall with an inlet, an outlet, and an inner annular channel; a second pipe having an insertion section with an end and an outer annular channel, said second pipe having an outside diameter that is less than the inside diameter of the socket, where the difference in diameters defines a gap and where the outer annular channel lines up with the inner annular channel therein forming an interlocking keyway; and a flanged annular ring, where said annular ring has an inside diameter that enables it to be slid over the second pipe and a thickness that is comparable to the gap, and where the flange has a width that is sufficient to cap the mouth of the socket.

Abstract: A universal pipe coupler is disclosed. The coupler has a support ring with an outer surface, a plurality of blades arranged into a blade array surrounding the support ring, each blade having a proximal end and a distal end, and a flexible restraining member moveable between an elongated position and a shortened position. Each blade proximal end is pivotally attached to the outer surface of the support ring. Each blade distal end extends radially away from the ring and is moveable between an open position and a closed position. The restraining member is positioned to slidably engage each blade, whereby when the restraining member is in the elongated position, the blades are movable to the open position and when the restraining member is in the shortened position the blades are drawn to the closed position.

Abstract: A method to connect piping and a piping connection, having the features of a ring connector configured to snugly fit around an external diameter of a pipe; and a piping shield connected to the ring connector, the piping shield having at least one observation window cut into the shield, wherein the piping shield covers an abutment end of the pipe to be connected, wherein a joint between the ring connector and the piping shield forms a connection.

Abstract: A clamp apparatus for holding together two abutting pipe ends, in which the pipe ends have radial flanges to facilitate the exerting of axial compressive forces on the pipe ends. The clamp includes a first strap structure and a fastening mechanism for providing circumferential compressive force on retainer segments configured to transfer the compressive force onto the flanges of the pipe ends. The clamp apparatus also includes a secondary strap structure for providing independent redundancy, relative to the primary strap, to supply back-up circumferential force onto the primary strap structure, should a failure occur in either of the fastening mechanism or the primary strap structure, to enable the clamp to maintain clamping force on the abutting pipe ends.

Abstract: A method for determining a limit value of a wind turbine reference operational variable is described The wind turbine being connected to a connection node to which a utility grid is connected. The method includes: obtaining a first input signal indicative of a connection node limit voltage; obtaining a second input signal indicative of a connection node voltage; and determining the limit value of the wind turbine reference operational variable based on the first signal and the second signal. Further a corresponding arrangement is described.

Abstract: A wind energy plant comprising a rotor having blades and a generator driven by said rotor for generating electric energy. The pitch of the blades can be adjusted and a pitch system for adjusting the pitch angle of the blades is provided, which is supplied by a hub power source. An additional electric load is provided on the hub. A pitch power control device is provided which dynamically distributes the power of the hub power source between the pitch system and the additional electric load and further acts on the pitch system such that the power consumption thereof during high-load operation is reduced. Thus, the power consumption of the pitch system during high-load operation can be reduced and additional power provided for operating the additional load. Even high-performance additional loads, such as a blade heater, can be operated in this way, without having to boost the hub power source.

Abstract: A method for controlling an aerogenerator (1) for producing electrical energy of the type comprising an arrangement of aerodynamic elements (2) that rotate on a common shaft (3), sensors (4) for measuring at least the speed of the wind incident upon said elements (2), an alternator unit (5) associated with the rotation of the shaft (3) for generating electrical energy supplied to a use point (7) and/or to a battery (8) or for transmitting a mechanical torque to the shaft (3), and a control unit (6) associated with the sensor (4) and with the alternator (5) in order to control the alternator (5).

Abstract: A wind energy installation having a wind rotor, a generator which is driven thereby and interacts with a converter in order to produce electrical power, rotation-speed regulation and converter control which interacts therewith, wherein the rotation-speed regulation outputs a nominal rotation speed signal (nref). Furthermore, additional regulation is provided, which has an input for an additional power and is designed to produce a rotation speed change signal therefrom, taking account of a rotator inertia moment, and to output this as an output signal, which is added to the nominal rotation speed signal via a logic element. Kinetic energy is taken from the wind rotor in a controlled manner by reducing the rotation speed and is converted by the generator to additional electrical energy. This allows primary regulation power to be made available deliberately by rotation speed variation, to be precise even in unsteady wind conditions.

Abstract: The present invention relates to a method and apparatus for treating organic waste and producing solid fuel or compost from the treated organic waste.

Abstract: A hydrokinetic water turbine system includes a frame structure, first and second shafts rotatably supported by the frame structure, and first and second rotors secured to the first and second shafts respectively and each having a plurality of spaced-apart blades so that the flowing stream of water revolves the first and second rotors about a central axis of the first and second shafts respectively. The first and second shafts are horizontally-disposed and coaxial and the first and second rotors are adapted to rotate in opposite directions. The blades are hollow and filled with a foam material to reduce weight and increase buoyancy. The frame structure is a substantially rectangular and open frame structure and includes frame members adapted to reduce a coefficient of drag of the frame structure. The frame members can be hollow and filled with a foam material to reduce weight and increase buoyancy.

Abstract: A hydrokinetic water turbine system includes two turbine assemblies each having a frame structure, a horizontally-disposed shaft supported by the frame structure, and a rotor secured to the shaft. The rotor has a plurality of spaced-apart blades so that the flowing stream of water revolves the rotor. The blades are filled with a foam material to reduce weight and increase buoyancy. The frame structure is an open frame structure and includes frame members adapted to reduce a coefficient of drag of the frame structure. The frame members are filled with a foam material to reduce weight and increase buoyancy. The two turbine assemblies are secured side by side with shafts coaxial and the rotors rotating in opposite directions. The shafts can drive electric generators located out of the water or under the water. The underwater generators can be direct drive, low speed, high output generators.

Abstract: A wind power excitation synchronous generation system and a control method thereof are disclosed. In this control method, dual input shafts and a single output shaft of a gear transmission mechanism are used, and two kinds of inputted energy, such as wind energy and servo motor control power, are integrated, so as to allow the output shaft to drive an excitation synchronous generator to generate electric power. In this system, a rotation speed and a phase of a servo motor are controlled, so as to allow the excitation synchronous generator to output the electric power with a frequency and a phase identical to the utility grid. Furthermore, a control circuit for maximum power tracking is used to control an excitation current of the excitation synchronous generator for achieving a stable voltage, the maximum outputted wind energy and the minimum energy consumption of the servo motor.

Abstract: A transformer for wind power generation is configured such that the transformer's main body, which contains an insulating refrigerant in a tank where an iron core and windings mounted to the iron core are contained, is disposed in a tower which configures a wind power generation system, and that water surrounding the wind power generation system is used as a secondary refrigerant for cooling the aforementioned refrigerant.