Abstract: A wind turbine comprising a tower (2) with a tower wall and having at least one nacelle (3) mounted thereon, and a yaw system (1) interconnecting the tower (2) and at least one nacelle (3) is disclosed. The yaw system (1) comprises a yaw claw (4) comprising an upper radially extending part (5), a lower radially extending part (6) and an axially extending part (7) interconnecting the upper radially extending part (5) and the lower radially extending part (6), thereby defining a space. A sliding bearing connection with at least two axial sliding surfaces (9, 10) and at least one radial sliding surface (11) is arranged between the yaw claw (4) and a flange (8) arranged in the space defined by the yaw claw (4). At least one yaw drive (13) comprising a toothed gear (14) is arranged in meshing connection with a toothed yaw ring (12).

Abstract: A condenser fan includes a lock hub and multiple blades that are fastened to the hub. Each of the blades includes six planes, each of which having variable parameters including pitch angle, sickle, chord length, and blade curve. For each embodiment of the evaporator fan, the blades are identically configured.

Abstract: A motor adapter assembly can couple a motor shaft for a ceiling fan motor to a downrod. The motor adapter assembly can include a base plate, a cradle with arms extending through the base plate, and a threaded bushing secured between the arms of the cradle. Threading a cap to the threaded bushing can be used to pivot the downrod between an upright position and a pivoted position.

Abstract: Embodiments of the present invention provide systems and methods for mounting an electrically-powered device to a ceiling or other supporting structure. The electrically-powered device can be, for example, a ceiling fan, a ceiling fan with a lighting fixture, or a lighting fixture.

Abstract: A blower may include a base, a case provided above the base and having an air inlet and an air outlet, a fan provided inside the case, a rotating plate connected to the case and provided to be rotatable above the base, a motor to rotate the rotating plate, and a bearing provided between the rotating plate and the base, fixed to the rotating plate, and supported movably on the base.

Abstract: A mobile climate control assembly that includes a portable housing with a first fan blower-wheel assembly and a second fan blower assembly each respectively having a wheel blade member, partially surrounded by an air deflector wall, disposed within a housing cavity and operably configured to rotate 360° around an axis of rotation parallel and non-co-planar with respect to one another. The assembly also includes a fan motor operably coupled to the wheel blade members and an electronic controller electronically and communicatively coupled to the fan motor and operably configured to independently and selectively control rotation of the wheel member of each of the first and second fan blower-wheel assemblies to generate an ambient air velocity gradient along at least an approximate 90° angular traverse path from the front face and without rotation of the portable housing.

Abstract: A ceiling fan hanger assembly includes a mount plate with a pair of plate extensions and a downrod having a pair of spaced downrod extensions. A connector bracket pivotally couples to the plate extensions to define a first pivot axis and pivotally couples to the downrod extensions to define a second pivot axis different than the first pivot axis.

Abstract: A motor packing and mounting mechanism for a motor in a no larger than medium-sized appliance, such as wet and dry vacuum cleaner, a water aspirator, a water pump, or a humidifier, includes a motor seat supporting a motor in a housing so that the motor is axially disposed between the housing and the motor seat. At least one isolating cover is located inside the housing. A motor chamber for receiving the motor is defined among the housing, the motor seat, and the isolating cover. An axial mating clearance is defined between the isolating cover and the motor seat. A first seal is located and axially-mated in the axial mating clearance, the first seal having an elastic supporting portion. A cross section of the elastic supporting portion has a door-shaped structure, with the elastic supporting portion defining an opening facing an axial direction of the motor.

Abstract: The invention is about a foldable portable fan, which relates to the technical field of a fan, including an entity; the bottom of the entity is fixedly arranged with a connecting part, the connecting part is connected with a rotating part, one side of the rotating part is connected with a bolt, one end of the bolt is connected with a bolt column; the fan can conveniently connect the entity and the base together by setting a connecting part, a rotating part, a bolt and a bolt column, avoiding the use of screws, and the connection is very convenient; in addition, the entity can be folded between the base, which can save packaging materials, occupy less transportation space and save costs in logistics packaging; and the entity can be matched with different bases, thus providing higher selectivity and more flexible sale.

Abstract: A mister-fan apparatus includes: a housing having a fan end and a reservoir end; at the fan end, a fan unit; at the reservoir end, a reservoir; a motor; a pump; an inlet conduit from the reservoir to the pump; and an outlet conduit from the pump to the fan unit, collectively configured for, through the use of the inlet and outlet conduits, pumping fluid from the reservoir to the fan unit so that the fan can output mist; a track peripherally surrounding the housing at least partway around; an attaching device having an attaching end and an extension end; a tongue having a track end, and a connection end connected to the extension end; and, within the track, a retaining slider connected to the track end; wherein the attaching end is configured for removably attaching to an external structure for supporting the apparatus.

Abstract: A fan clamp is provided for supporting a fan on a support surface by clamping to the support surface. The fan clamp includes a clamp assembly having an upper clamp member for engaging a top side of the support surface, a lower clamp member for engaging a bottom side of the support surface and a screw adjustment assembly extending through the lower and upper clamp members for clamping the upper clamp assembly and lower clamp assembly to the support surface. The clamp assembly further includes a shield extending from the lower clamp assembly through the upper clamp assembly that partially surrounds the screw adjustment assembly to block the screw adjustment assembly from being visible when the lower and upper clamp assemblies move away from each other to engage a support surface. The fan clamp may further include an arm extending from the clamp assembly for supporting the fan. The arm may be a swing arm that is rotativity connected to the fan clamp.

Abstract: A ceiling fan remote control device includes a bracket, a remote control, at least one fixation element, and an engaging element. The bracket has at least one mounting hole, an engaging hole, and at least one positioning rod. The at least one mounting hole and the engaging hole are both disposed through the bracket. The at least one positioning rod protrudes from the bracket. The remote control has a receiving groove, a through hole, and at least one positioning groove. The receiving groove and the at least one positioning groove are both formed on the remote control. The through hole is disposed through the remote control. The at least one fixation element passes through the at least one mounting hole. The engaging element passes through the through hole and the engaging hole. The at least one positioning rod of the bracket extends into the at least one positioning groove.

Abstract: A fan device for a table of a user comprising a fan, a pivot pin for tilting and a mechanism for connection to a desktop in the form of two clips or a bracket with screws. It is positioned between the user and the desktop. The pivot pin for tilting is positioned beyond the edge of and within the thickness of the desktop, allowing for a maximum height of protrusion of the fan above and below the desktop less than the dimensions of the fan and allowing to direct the air flow to the greater part of the user area. The technical result is the decrease in the height of protrusion of the fan above and below the desktop.

Abstract: A system for displaying the produce for sale and at least one sensor for sensing a parameter associated with the display and generating an output representative of the parameter. An overhead fan located in the space above the display regulates the airflow over the display. A controller is provided for controlling the fan based on the output of the sensor.

Abstract: A fan includes a fan seat and a fan head, wherein a first surface of the fan head opposed a second surface of the fan seat. The fan further includes a first rotating shaft at edges of the first surface and the second surface configured to rotatably couple the fan seat and the fan head, such that the first surface of the fan head and the second surface of the fan seat form an target angle based on the first rotating shaft.

Abstract: A tower foundation assembly includes a foundation having a base section and a receptacle atop the base section. The receptacle of the foundation defines a bottom surface and an inner perimeter wall. The tower foundation assembly also includes a tower, such as a wind turbine tower, secured to the inner perimeter wall within the receptacle of the foundation. As such, the tower extends in a longitudinal direction from the foundation.

Abstract: The present invention relates to a cooking oven provided for heat transfer by convection, in particular for a domestic appliance. The cooking oven comprises at least one top convection fan (12) arranged in a central portion of a top wall of an oven cavity (10) and at least one rear convection fan (14) arranged in a central portion of a rear wall of the oven cavity (10). The cooking oven comprises at least one top heating element (16, 18) arranged in an upper portion of the oven cavity (10) and below the top wall of said oven cavity (10) and at least one rear heating element (40) arranged in a rear portion of the oven cavity (10) and in front of the rear wall of said oven cavity (10). The top convection fan (12) and the rear convection fan (14) are axial fans. At least one top propeller (32) of the top convection fan (12) and at least one rear propeller (36) of the rear convection fan (14) are arranged inside the oven cavity (10).

Abstract: A fan of a turbine engine, the fan including a fan disk provided with blades on its periphery, the blades being pivotally mounted on the disk around a pivoting axis and having a center of gravity, and a pitch change mechanism for the blades, each blade being configured so that its center of gravity is positioned on or at a small distance from a fictitious plane which passes through the pivoting axis of the blade and which is perpendicular to the axis of revolution of the fan when the blade is in a minimum drag position.

Abstract: An aerial vehicle, configured to transport cargo, and including a propulsion system and a foldable cage is described. The foldable cage is substantially linear while in a folded configuration, and substantially circular while in a deployed configuration. Moreover, the foldable cage includes a rods that form isosceles triangles. The rods are coupled together by flexible joints.

Abstract: Embodiments herein include electronically commutated (“EC”) motors, fans operated by such motors, cooling systems including the same, and related methods. In an embodiment, an electronically commutated fan motor is included. The fan motor can include a housing comprising an exterior wall, a shaft, a shaft drive assembly rotatably coupled to the shaft, a power input connector, a control input connector, a switch comprising a base and an actuator accessible outside the housing, the actuator comprising a first actuator position and a second actuator position. The fan motor can also include a controller configured to control the shaft drive assembly based on a control signal from the control input connector, a power signal from the power input connector, and a switch signal from the switch. Other embodiments are also included herein.

Abstract: A fan assembly includes a base and a body mounted on the base for movement relative thereto between an untilted position and a tilted position. The fan assembly also includes an air outlet and an interior passage for conveying air to the air outlet, and which extends about an opening through which air from outside the fan assembly is drawn by air emitted from the air outlet. A brake and a stationary rail are disposed on the upper surface of the base, and a rail is connected to the lower surface of the body and located between the brake and the stationary rail. The brake is urged by a spring or other resilient member towards the stationary rail to urge the rail of the body against the stationary rail to maintain the body in a tilted position by means of friction between the rails.

Abstract: In order to increase safety, flexibility and simplicity when handling a wind turbine nacelle compared to known solutions and devices, there is disclosed a wind turbine nacelle including a supporting structure, a nacelle housing and a plurality of handling devices to be used when handling the wind turbine nacelle. The four handling devices are connected to the supporting structure, and each of the handling devices includes an integrated moveable part. The integrated moveable part is moveable between a first position and a second position, and the integrated moveable part is inside or is flush with the nacelle housing in the first position and is extending out of the nacelle housing in the second position.

Abstract: An apparatus that is used to tilt a ceiling fan such that the air flow of the ceiling fan is redirected. The apparatus mainly consists of a first mounting piece, a second mounting piece, and an adjustment bolt. The first mounting piece and the second mounting piece surround the down tube extending downward from a ceiling fan canopy bracket. The first mounting piece and the second mounting piece are attached together with a pair of patterned bolts. When in use, a user pushes the ceiling fan in a desired direction and tightens the adjustment bolt such that it makes contact with the ceiling fan canopy bracket. In another version, the apparatus can be controlled remotely. In doing so, servos or any other comparable means can be incorporated to control the adjustment bolt. The servos can be controlled by a smart phone or similar means.

Abstract: A fan module includes a bracket, a mounting plate, and a fan fixed to the mounting plate. A first side of the mounting plate is pivotably attached to the bracket. A second side of the mounting plate can be fixed to different positions on the bracket.

Abstract: An off-shore wind turbine with a base supporting a pylon and a wind engine, the wind turbine being characterized in that the said base includes a tubular cavity, a bottom portion of said pylon being fixed in embedded manner inside said tubular cavity using a device that enables the angle of inclination of the axis (ZZ?) of the pylon to be adjusted relative to the axis (Z1Z?1) of the tubular cavity; and the adjustment device includes independent chocking mechanism interposed between the pylon bottom portion and the tubular cavity; and a centering mechanism secured to the pylon bottom portion and/or to the tubular cavity, the centering mechanism being situated inside the tubular cavity below at least some of the chocking mechanism and suitable for holding the point of intersection of the axis (ZZ?) of the pylon bottom portion with the axis (Z1Z?1) of the tubular cavity in a fixed position.

Abstract: A nacelle stand and a method for building and testing a nacelle for a wind turbine using a nacelle stand, the nacelle stand being suitable for supporting a nacelle for a wind turbine, during manufacturing and assembly of the nacelle, testing and transport. The nacelle stand has a connecting arrangement for rigid connection to a yaw system arranged at the main frame of the nacelle, a midsection, a horizontal bedplate and a center part with a number of fingers extending away from the center part in a horizontal plane, the fingers each having an angle larger than 0 degrees and less than 90 degrees relative to a longitudinal axis of the stand.

Abstract: Embodiments of the invention provide a number of passive and active defense designs and methods that enable a wind turbine to escape high wind events. The disclosure includes descriptions of multiple designs and methods for lowering the elevated portion of a wind turbine. Other embodiments of the invention concern ways to connect the elevated portion of a wind turbine to the tower. Numerous counterweight systems are also disclosed which enable the lowering of the elevated portion of the wind turbine.

Abstract: An aircraft turbomachine propeller including multiple blades assembled on a hub rotating around an axis of rotation of the propeller, that can reduce risks of loss of the blade following impact of a foreign body. At least one blade includes a recess opening radially towards the inside in the area of the base of this blade. A retaining device includes a moving retaining mechanism positioned in the recess and configured to be moved from a retracted position to a deployed blade-retaining position, and vice versa.

Abstract: One embodiment of a fan assembly includes a housing having a base member and a lip member extending outwardly from the base member for defining an enclosure. The fan assembly may further include a toothed track assembly, a wheel assembly, a first motor, a second motor, and a fan member. The toothed track assembly includes a toothed track member disposed within the enclosure. The wheel assembly includes a pair of toothed wheels adapted to move on the toothed track member. The first motor is operatively coupled to the wheel assembly and is capable of rotating the pair of toothed wheels. The fan member is coupled to the wheel assembly, such that the fan member moves along the toothed track member when the first motor rotates the pair of toothed wheels on the toothed track member. The second motor is operatively coupled to the fan member for rotating the fan member.

Abstract: A foldable electric fan, comprising: a fan head, a support tube and a base, a turnover mechanism for turning the fan head up or down is provided between the top of the support tube and the fan head, is disclosed. Further, the base is foldable, and the electric fan can be arranged into a desk fan or a floor fan by turning the fan head up or down, and can be used for several different purposes in more broad fields. The fan head and the base of the electric fan can be folded-up, which reduces the space it occupies and cuts down the cost of package and transportation. Moreover, the foldable electric fan effectively reduces the inconvenience of traditional electric fans which need to be detached into several parts during package and transportation, and then assembled together for use.

Abstract: A fan assembly includes a device for creating an air flow and an air outlet for emitting the air flow, the air outlet being mounted on a pedestal including a base and a height adjustable stand. The base includes an oscillating mechanism for oscillating the stand and the air outlet.

Abstract: A cooling system includes a fixing device and a fan. The fixing device includes a fixing rack and a latching rack. The fixing rack includes a first latching arm and two opposite supporting arms protruding from two ends of the first latching arm. The latching rack includes a second latching arm and two opposite adjusting arms protruding from two ends of the second latching arm. The adjusting arms can be adjustably fixed to the supporting arms at different positions to adjust a distance between the first latching arms and the second latching arm to releasably fix the fan between the first latching arm and the second latching arm.

Abstract: A fan configured for integration with a structure having at least two support members is disclosed. The fan comprises a fan guard, a fan blade surrounded by the fan guard, and first and second mounting brackets. Each of the first and second mounting brackets is configured for connection to a respective one of the support members. The fan also comprises first and second connectors oppositely disposed on the fan guard and configured for connection to a respective one of first and second mounting brackets. The first and second connectors are adjustable with respect to the first and second mounting brackets, and the fan is configured to rotate between at least two struts. Rotation of the fan between the at least two struts is limited such that an opening defined by one of the struts and said fan guard does not exceed a predetermined size.

Abstract: A disclosed ram air turbine assembly includes a movable support structure that is prevented from moving to a stowed position by a stow abort mechanism that prevents movement to the stowed position when the turbine is not in a desired orientation.

Abstract: Systems for protecting a wind turbine in high wind conditions are disclosed. A shrouded turbine may have an ejector shroud disposed adjacent and downstream of a turbine shroud. In one version, the ejector shroud can move to surround the turbine shroud. In another version, the turbine can be pivoted on a support tower to cover the intake end of the turbine and rotate the turbine about an axis at a right angle to the tower axis. In another version, the turbine is supported by a telescoping tower which may be retracted to lower the turbine in high winds. In another version, the tower sections may be connected by a pivotable connection and supported by guy wire(s) which may be lengthened to lower the upper tower section pivotally.

Abstract: A yawing system for a wind turbine with a tower construction and a nacelle includes a stationary part associated with the tower construction, and a rotating part being associated with the nacelle. The rotating part is allowed to rotate relative to the stationary part via a gear connection. The rotating part includes a plurality of modules, each having a sub-module, the sub-modules substantially identical in size and shape. Each module is configurable to perform various functions by positioning one or more function defining elements in the corresponding sub-module. Thereby a configured module belongs to a category of modules reflecting the function of the configured module. A module belonging to a category may be replaced or reconfigured to belong to a different category of modules without altering the main design of the rotating part.

Abstract: Wind generator comprising a folding mast (1) pivotally mounted about an articulation (5) positioned at a location some way between the lower (Ia) and upper (Ib) ends of the mast, a counterweight (19) is movably connected to the lower part of the mast and the wind generator comprises a control device (V2) adapted to move the counterweight so that the center of gravity (G) of the counterweight is moved toward and away from the articulation along the longitudinal axis (A) of the mast.

Abstract: A cooling system includes a fixing device and a fan. The fixing device includes a fixing rack and a latching rack. The fixing rack includes a first latching arm and two opposite supporting arms protruding from two ends of the first latching arm. The latching rack includes a second latching arm and two opposite adjusting arms protruding from two ends of the second latching arm. The adjusting arms can be adjustably fixed to the supporting arms at different positions to adjust a distance between the first latching arms and the second latching arm to releasably fix the fan between the first latching arm and the second latching arm.

Abstract: A wind turbine includes a rotor having a hub and at least one rotor blade, wherein the operating height of the hub is adjustable. Further, a method for operating a wind turbine is provided, which includes varying the height of the wind turbine.

Abstract: This patent discloses a fan capable of 360 degree continuous rotation. The fan may include an impeller positioned within the impeller housing, an impeller motor fixed to the impeller housing, where a control knob may control the impeller motor. The fan further may include an impeller shaft connected between the impeller and the impeller motor to rotate the impeller and the impeller housing may reside on a base. A contact ring may be positioned within the base. The impeller motor and the impeller housing may rotate relative to the contact ring, which may provide power to the impeller motor through brushes. A housing motor may be positioned within the base and be connected to the impeller motor to rotate the impeller motor. A housing motor switch may control the housing motor.

Abstract: A fan system comprises a fan, a bracket configured to mount to a ceiling structure, and a mounting assembly coupling the fan with the bracket. The mounting assembly comprises a fan mounting assembly secured to the fan; and a bracket mounting assembly secured to the bracket. The mounting assembly includes an elongate member extending between the fan mounting assembly and the bracket mounting assembly. The fan mounting assembly is configured to permit adjustment of the orientation of the fan axis about two axes that are perpendicular to the fan axis. The bracket mounting assembly is configured to permit adjustment of the orientation of the elongate member axis about two axes that are perpendicular to the elongate member axis. The bracket mounting assembly permits self-adjustment of the mounting assembly, to re-position the center of gravity of the fan system underneath the bracket after the fan axis orientation has been adjusted.

Abstract: An electric fan has a driving assembly, a stand and an impeller assembly being connected to and being driven by the driving assembly. The driving assembly has a positioning panel having multiple indentations and two connectors being formed on the positioning panel. The stand is mounted into the driving assembly and around the connector of the driving assembly and has at least two resilient positioning protrusions engage two of the indentations of the driving assembly. With the at least two positioning protrusions engaging different indentations, the driving assembly and the impeller assembly are pivoted and are held in different angles. Therefore, the angle of the impeller assembly is easily adjusted.

Abstract: This horizontal axis wind turbine comprises a plurality of yaw motors that are provided on one of either a nacelle or a tower, and a gear 2 that is provided on the other of either the nacelle or the tower and that engages with the drive gears 4m, 4n of the plurality of yaw motors, such that when the plurality of yaw motors stop the rotation of the nacelle, some of the yaw motors are stopped and held by yaw motor brakes, then after a delay, the other yaw motors are stopped and held by yaw motor brakes. When the other yaw motors are stopped, the drive gears 4m of the some yaw motors and the drive gears 4n of the other yaw motors hold the gear 2 by pressing against the gear 2 in opposite directions of rotation.

Abstract: A fan mounting assembly includes a fan, a supporting device, two fixing devices, and two magnetic units. The fan includes a frame having two spaced walls, and at least two spaced fixing holes are defined in each of the walls. The fixing devices are oppositely mounted to the supporting device and sandwich the fan therebetween. Each of the fixing devices includes a fixing plate and two fixing arms perpendicular to the fixing plate. The fixing arms of the fixing devices are made of ferromagnetic material and align with the fixing holes of the fan respectively. Each of the magnetic units includes two magnets. Each magnet of the magnetic units engages in a corresponding one of the at least two fixing holes of a corresponding wall of the fan and attracts a corresponding fixing arm, to make the fixing arms clamp the fan.

Abstract: A ceiling fan (12) is suspended from a mounting bracket (40) by a down rod (32) and a canopy (42) is provided for concealing the mounting bracket (40). The canopy (42) has a lower end (52) with apertures (56, 58) for mounting the ceiling fan (12) directly to the canopy (42) in alternative mounting configurations. A cover (44) is provided for concealing the apertures (56, 58) in the canopy (42). The cover (44) has a collar (102) which extends through a down rod opening (54) in the canopy (42), and has a plurality of protuberances (104) which secure the cover (44) to the lower end (52) of the canopy (42) in a snap engagement. A lip portion (100) upwardly extends from the cover (44) to provide a spacer for locating the protuberances (104) adjacent to an upper side of the lower end (52) of the canopy (42).

Abstract: An example a ram air turbine assembly (RAT) is mounted to an airframe and provides both electric power and hydraulic pressure. A turbine drives a drive shaft about an axis transverse to rotation of the turbine. The drive shaft in turn drives both a generator and a hydraulic pump at a common speed.

Abstract: A disclosed ram air turbine assembly includes a movable support structure that is prevented from moving to a stowed position by a stow abort mechanism that prevents movement to the stowed position when the turbine is not in a desired orientation.

Abstract: The invention relates to a blade possessing a leading edge and a trailing edge, the blade comprising a first airfoil possessing an inner face and an outer face extending between said leading edge and said trailing edge, a second airfoil possessing an inner face and an outer face extending between said leading edge and said trailing edge, and at least one spacer strip interconnecting said inner face of the first airfoil and said inner face of the second airfoil, said at least one strip extending to said trailing edge, the distance between the inner face of the first airfoil and the inner face of the second airfoil being of the same order of magnitude as the maximum thickness of the first or the second airfoil.

Abstract: An apparatus, system, and method for providing a fluid stream into an environment for cooling purposes are disclosed. Such an apparatus includes a body portion and a nozzle, the nozzle being adapted to direct water into the environment. Such an apparatus may include a body portion having a flow channel defined therein for gas flow therethrough; and, a nozzle operatively disposed within the flow channel; said nozzle adapted to direct a liquid therefrom; wherein the channel and the nozzle are operatively disposed relative to each other so that a gas flowing through the channel and the liquid are combined into a fluid stream directed from the apparatus into the surrounding environment.

Abstract: An apparatus and method for harvesting fluid energy including a wave turbine consisting of a long shaft having pairs of buckets positioned at intervals along the shaft and rotated 90 degrees from each adjacent pair. Each bucket is connected at an offset angle with respect to a plane that is normal to the shaft. When adapted for harnessing wave energy, the shaft is elevated above water surface and positioned at an oblique angle to the prevailing wave fronts. Each bucket is positively buoyant, so that buckets capture both potential and kinetic wave energy.