Abstract: A personal sterilization system, including a base unit defining an air intake, a fan, and a fluid path from the air intake to the fan; at least one UVC light source positioned to illuminate at least a portion of the fluid path with UVC light; a delivery conduit attached to the base unit in fluid communication with the fan; and a dispersion device configured to be worn in proximity to a person's face, the dispersion device defining a fluid inlet attached to the delivery conduit, and at least one fluid outlet configured to disperse pressurized air.

Abstract: A paddleboard paddle system is convertible from a single paddle to a double-paddle and has a paddle handle including a hand aperture and thumb aperture in the paddle portion. A paddleboard paddle has a first paddle portion and a second paddle portion that can be connected to form a double-paddle, or a paddle having a paddle portion on opposing end of the paddle arm. A paddle arm is the rod or extension from the paddle portion that is typically used to guide the paddle through the water. A user may use the single paddle while standing on the paddle board or may connect the second paddle portion to produce the double-paddle to use while sitting on the paddleboard or for use in a kayak. Also, a user may use a double-paddle while standing. The paddle handle may be gripped by the user to guide the opposing end through the water.

Abstract: A safety helmet fan system includes a fan housing carrying a first fan on a first side of the fan housing and a second fan on a second side of the fan housing and configured to be mounted, by a mount connector located between the first side and the second side, on an exterior of a safety helmet shell above a brim of the safety helmet shell, and an elongate cooling air duct connected to the fan housing to direct cooling air flow from the fan housing around the brim and into an interior of the safety helmet shell.

Abstract: Disclosed are a fan head part, a stand fan and a wall-mounted fan, a household appliance and an air blowing method. The fan head part comprises a base and a fan head, wherein the fan head comprises a blade and a grill, the blade being able to rotate with a first axis, the fan head being able to integrally rotate about a second axis and along a circumferential direction relative to the base, and the second axis extends through the grill in the front-rear direction and being obliquely arranged relative to the first axis. Since the second axis is obliquely arranged relative to the first axis, only one driving structure is required to simultaneously drive the fan head to rotate within a space defined in the horizontal and vertical directions, so that the structure is simple, and the costs are relatively low.

Abstract: A one-handed, forearm-braced paddle has a blade at one end and a forearm brace at the other interconnected by a central shaft portion. The shaft has a rigid control handle that has a base end fixed to the shaft, and, extends from the shaft to a hand grip portion. The hand grip is shaped to allow a user to clench it, and is thereby radially spaced away from the shaft to further allow the user to apply longitudinal leverage on the blade, or else give the user leverage with the application of a twisting torque on the blade. The control handle is furthermore goose-necked shaped and arching away from the forearm brace so that the user's fingers are relatively unimpeded by any of the shaft, blade, or base portions of the control handle.

Abstract: The device herein comprises a kayak or canoe paddle that allows a user to insert his or her arm and forearm through openings formed within the paddle while he or she grips the paddle. The insertion of the arm and forearm within the paddle allows the user's arm and forearm to provide additional support to the paddle. Additionally, the handle used to grip the paddle is formed perpendicular to the length of the paddle allowing a user to maintain his or her grip on the handle even if the kayak or canoe overturns. Two paddles may be joined together to form a single paddle with either a “V” shape or a linear shape. The “V” shaped paddle enhances the ability of the kayaker to traverse a body of water.

Abstract: A portable blower has a casing (2) having an opening portion (24) open in a suction face (2a) of the casing (2) facing the installation surface with an inclination and a discharge port (7) open in a top face (2d) of the casing (2); an air passage (8) inside the casing (2), connecting between the opening portion (24) and the discharge port (7); and a blower fan (17) inside the air passage (8). As the blower fan (17) is operated, outside air is introduced into the air passage (8) through an intake port (6) formed by part or the whole of the opening portion (24) to pass through the blower fan (17) and then be sent out through the discharge port (7). The opening portion (24) and the discharge port (7) communicate with each other along the inner side of the suction face (2a) outside the blower fan (17).

Abstract: A personal propulsion apparatus and method are disclosed.

Abstract: A hand carried power tool (100) is presented which includes a vibration-producing power unit (15) interconnected with an elongate handle (20). The handle (20) has a base end (24) coupled to the power unit (15) and an opposite free end (28) configured for manual gripping. Additionally a vibration damping member (50), which permits vibration-induced movement between the base end (24) of the handle (20) and the power unit (15), interstitially located between the base end (24) of the handle (20) and the power unit (15). Furthermore, a resilient biasing member (40) is coupled between the elongate handle (20) and the power unit (15). The biasing member (40) connects to the handle (20) at a location distant from the base end (24) of the handle (20) and the biasing member (40) is configured to dampen vibration-induced relative movement between the base end (24) of the handle (20) and the power unit (15).

Abstract: A fan assembly for a hat. In some embodiments, the present general inventive concept comprises a fan assembly to position a cooling fan upon the concave surface of the crown of a hat. Generally, the fan is connected by wires or similar means to a power source and controller located on the exterior of the hat.

Abstract: A technique is provided for operating a wind farm at increased rated power output. The technique includes sensing a plurality of operating parameters of the wind turbine generator, assessing the plurality of operating parameters with respect to respective design ratings for the operating parameters, and intermittently increasing a rated power output of the wind turbine generator based upon the assessment.

Abstract: A portable air displacement system for introducing or removing air from a zone has a cylindrical fan housing with an exhaust aperture located on a housing side wall of a housing anterior end. The fan housing has a raised dome with a primary directional intake nozzle located on a raised dome posterior end. The raised dome has a plurality of secondary intake slots located around an arc on a dome anterior side, a dome first side and a dome second side. The system has a centrifugal fan located in the housing cavity connected to a power supply and a power switch. The system has a positioning platform with a first panel and a second panel pivotally attached to housing posterior end for clasping a planar object on either side.

Abstract: A water paddle comprising a first shaft having a blade end and a free end and a second shall having a blade end and a free end, a first cog collar located on an exterior surface of first shaft and having a first set of teeth extending radially from a mating end of first cog collar and accessible to the user's fingers, a second cog collar located on an exterior surface of second shaft and having a second set of teeth extending radially from a mating end of second cog collar and accessible to the user's fingers, second set of teeth mateable with first set of teeth to prevent rotational movement between shafts, a ferrule extending from the free end of second shaft, a clip lip member located on an interior surface of the ferrule, and a spring tab mechanism located within an interior surface of first shaft and includes a body having corresponding resilient arms each having a displaceable tab supported thereon engageable with a set of push button holes located on first shaft.

Abstract: A lift system and a method for constructing a wind turbine are disclosed. The lift system includes a rotor blade having exterior surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending in a generally span-wise direction between a tip and a root. The lift system further includes a lift device including a sling and a quick release device. The sling is coupled to the rotor blade and includes a first end and a second end spaced apart by an intermediate portion. The second end is releasably joined to the first end by the quick release device. The quick release device is operable to release the second end from the first end to uncouple the sling from the rotor blade.

Abstract: A paddle includes a paddle shaft having a longitudinal axis and first and second ends. A first paddle blade is coupled with the first end and includes front and back faces. A second paddle blade is coupled with the second end and also includes front and back faces. A first grip is coupled to the second paddle blade front face remote from the paddle shaft second end while a reinforcing spine is provided to the second paddle blade back face. A method is also disclosed.

Abstract: The present invention relates to a table for a wind turbine equipped with attachment devices 103 for attaching servicing equipment, 401, 402, said attachment means being attached at and accessible from the blade exterior. They may be located in cavities and be covered when not in use. Hereby it is accomplished that the blade can be serviced and repaired while positioned horizontally without the attachment devices as such otherwise influencing the aerodynamic properties of the blade. One possibility is that during manufacturing such a cavity is closed but the cavity can later be broken open. Additionally, the invention relates to a wind turbine featuring such blade and a method of servicing a blade when mounted on a wind turbine, wherein servicing equipment is attached to at least one attachment device in the blade. It is furthermore mentioned, that the attachment devices might be used when mounting a blade.

Abstract: An article of headwear having a body with a hole extending completely through bottom and top surfaces thereof and a cooling device mounted to the article of headwear. The cooling device is mounted via a mounting ring received at the hole which mounts the cooling device to the body at the through hole to permit selective manipulation of the cooling device about a horizontal axis in a range between 0 to 360 degrees relative to the headwear body and the mounting ring.

Abstract: Apparatus and method for propelling a user wearing paragliding equipment are disclosed The apparatus includes at least one thruster for providing thrust in a predetermined direction; and an attachment element for attaching the at least one thruster to a user's body such that the thruster is secured against the front portion of the user's body.

Abstract: The inventive technology, in certain embodiments, may be described as a hydraulic energy converter 1 that comprises: a frame assembly 2 that itself comprises a first frame portion 3 and a second frame portion 4 that is positionally adjustable relative to said first frame portion, said first frame portion affixable in stationary position relative to a water channel structure 5; an axle 6 connected with said second frame portion 4; a driveshaft 7 established substantially orthogonally to said axle 6; waterwheels 8 connected with said axle 6; a gearbox 9 connecting said driveshaft 7 with said axle 6 and established between said waterwheels 8; and at least one rotational energy converting device 10 connected with said driveshaft 7 and said second frame portion 4. A related aspect of the inventive technology—a wind energy converter—may include rotors instead of waterwheels (in addition to perhaps reflecting other differences).

Abstract: The anti-Sudden infant death syndrome baby fan is a portable fan that can attach to a baby crib in order to provide air movement across an infant in order to prevent the likelihood of sudden infant death syndrome. The portable fan comprises a housing, foam blades, rubber mat, knob, ON/OFF switch, and battery compartment. The inclusion of foam blades is a safety design in that foam blades will not inflict any substantive injury to anyone who touches said blades while in motion, i.e. the infant. The portable fan can also be integrated into the design of a crib mobile in order to circulate air from above the crib.

Abstract: Two embodiments of a portable fan for use in the cup holder of a recreational vehicle such as a golf cart are shown and described. In the first embodiment, a bottle-shaped body has a cup-shaped lower portion separated from the body by a shoulder which acts as a limit stop when inserting the base into a cup holder. A shrouded impeller is pivotally connected to the top of the base and exhibits an integral carry handle. The entire structure is made of a suitable plastic such as high density polyethylene. In the second embodiment, the impeller is located intervally of the body for safety and a bell-shaped outlet directs air through a diffuser with circular louvers.

Abstract: An improved personal propulsion device that generally imparts thrust directly to the user. The device allows hands free control of thrust magnitude and direction so both hands can grasp and control bicycle handlebars and brakes, watercraft paddles, ski poles or other apparatuses. The device is adjustable vertically, on the users' back, higher to allow sitting in a canoe or wheelchair and lower for standing on skates, skis, kick scooters etc. In one embodiment, the device includes an air compressor that is operatively connected to a cam mechanism engaged with the propulsion mechanism to provide compressed air. In another embodiment, the device includes a gap control mechanism to reduce or increase the size of the air inlet gap between the lip of the propeller shroud and an air horn to decrease noise levels or increase propulsion. The air horn can be gradiently flexible and warpable to allow controlled movement thereof.

Abstract: An article of headwear having a body with a hole extending completely through bottom and top surfaces thereof and a cooling device mounted to the article of headwear. The cooling device is mounted via a mounting ring received at the hole which mounts the cooling device to the body at the through hole to permit selective manipulation of the cooling device about a horizontal axis in a range between 0 to 360 degrees relative to the headwear body and the mounting ring.

Abstract: Highly efficient solar fans used in portable and built in configurations. A ventilation fan can be used for exhausting air out from underneath roofs, and/or for being portable in use and application. The fan can include optimized airflow blades having a twisted configuration that can move at a rotational speed operation of up to approximately 500 rpm. The approximately 15 inch diameter twisted blades can be premolded on a hub that together form a single molded unit of plastic. They can also be fabricated using metal. The unit can be mounted in an exhaust outlet having a conical diffuser on or adjacent to a roof. Another embodiment allows for portable solar powered fans used anywhere there is a need for ventilation and moving of air. The blades can rotate by a solar powered motor, where the blades and motor can generate up to approximately 1040 cfm while using no more than approximately 16 Watts. Portable fans can be powered by solar panels. One embodiment has solar panels mounted to a handtruck.

Abstract: Two embodiments of a portable fan for use in the cup holder of a recreational vehicle such as a golf cart are shown and described. In the first embodiment, a bottle-shaped body has a cup-shaped lower portion separated from the body by a shoulder which acts as a limit stop when inserting the base into a cup holder. A shrouded impeller is pivotally connected to the top of the base and exhibits an integral carry handle. The entire structure is made of a suitable plastic such as high density polyethylene. In the second embodiment, the impeller is located intervally of the body for safety and a bell-shaped outlet directs air through a diffuser with circular louvers.

Abstract: A personal cooling device especially adapted to be worn around the neck of the user formed by an enclosure, a power source carried in the enclosure, a centrifugal flow impeller carried within the enclosure, a motor carried within the enclosure for powering the impeller and an air duct formed around the impeller. The enclosure is provided with an air inlet and an air discharge opening adaped to direct an air stream toward the user when hung around the user's neck.

Abstract: The present invention provides a grill 10 for use in electrical equipment comprising a fan. The grill 10 comprises a substantially planar portion 90 that provides protection for (and indeed from) the blades of a fan and a handle 100 that provides means by which the grill may be held. The substantially planar portion 90 may comprise an opening 94 that facilitates stacking of a plurality of like grills 10.

Abstract: Highly efficient ventilation fans for exhausting air out from underneath roofs, and for being portable in use and application. The fan can include optimized airflow blades having a twisted configuration that can move at a rotational speed operation of up to approximately 500 rpm. The approximately 15 inch diameter twisted blades can be premolded on a hub that together form a single molded unit of plastic. They can also be fabricated using metal. The unit can be mounted in an exhaust outlet having a conical diffuser on or adjacent to a roof. Alternatively, the fan can be portable for use most anywhere there is a need for ventilation and moving of air. The blades can rotate by a solar powered motor, where the blades and motor can generate up to approximately 1040 cfm while using no more than approximately 16 Watts.

Abstract: Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow performance. A floor edge allows for flush positioning of the air mover's outlet to improve flow of air. Various supports and engagement members allow for horizontal and/or vertical engagement of a plurality of the air movers for storage or increased air moving capacity for a given application. An alignment guide assists with positioning of the air mover with respect to a room wall to enhance air flow within the room. A cord retaining system provides an enhanced approach for securing the air mover's electrical cord. Grill guards have slotted ends to assist with assembly of the air mover.

Abstract: A fan device is described providing novel and beneficial features to the user. In a first aspect of the invention, an improved fan device and method is described in which a body portion (having a first longitudinal axis) of the fan may be both gripped, for moving the fan from one position to another, and also activated to the on or off condition using only one hand for simultaneously moving and activating the fan. The fan has a magnet for stabilizing the fan when set down to provide a stream of air. The fan is configured to have a head attached to the body portion, the head having a second axis of rotation in relation to the body portion. The fan also has a fan blade attached to the head, the fan blade having a third axis of rotation in relation to the head, the second and third axes intersecting at an angle. The first and second axes also intersect at an angle.

Abstract: A pivot assembly that can be used with various appliances. The pivot assembly provides up to three degrees of freedom when positioning the appliance. The pivot may be used, for example, with a fan that is mounted on a base such that direction of the airflow generated can be adjusted about three coordinate axes by manipulating a single rotatable pivot mount. The fan assembly includes a base unit and an arm to which an appliance may be detachably coupled. The opposite end of the arm is provided with a spherical cap which is received by the base unit. Any adjustments to the positioning of the rotatable pivot mount are maintained by the friction within the rotatable pivot mount. Additionally, the pivot mount may include a pivot guide to restrict the degree of rotation about the pivot, thereby increasing stability.

Abstract: A power blower has a fan housing, a blowing fan accommodated in the fan housing, a drive source for driving the blowing fan, an operating handle connected to the fan housing for gripping by an operator of the power blower, and at least one vibration damping member interposed between the operating handle and the fan housing. The vibration damping member has resiliently deformed protruding portions contacting an inner peripheral surface of the operating handle so that vibrations in three directions, passing from the drive source and blowing fan to the fan housing, are absorbed by resilient deformation of the protruding portions to thereby suppress vibrations passing via the fan housing to the operating handle.

Abstract: A pivot assembly that can be used with various appliances. The pivot assembly provides up to three degrees of freedom when positioning the appliance. The pivot may be used, for example, with a fan that is mounted on a base such that direction of the airflow generated can be adjusted about three coordinate axes by manipulating a single rotatable pivot mount. The fan assembly includes a base unit and an arm to which an appliance may be detachably coupled. The opposite end of the arm is provided with a spherical cap which is received by the base unit. Any adjustments to the positioning of the rotatable pivot mount are maintained by the friction within the rotatable pivot mount. Additionally, the pivot mount may include a pivot guide to restrict the degree of rotation about the pivot, thereby increasing stability.

Abstract: A glider toy has pivoting wings that may be locked in a retracted position prior to launch. Upon launching of the glider, the wings may be unlocked. During flight, the wings extend forward for an entertaining glide at the urging of one or more elastic members. A launcher includes an orientation-sensitive safety feature that limits the angles at which projectiles may be launched therefrom. The safety feature permits projectiles to be launched from the launcher only within approximately a generally upward, non-vertical angular range.

Abstract: A balancer device, which is adapted for incorporating with a hanging article having two sidewalls, a front side, and an opposed rear side facing towards a supporting surface, includes two balancing wings each having an inner end, and two connecting units provided at the inner ends of the balancing wings for connecting the two balancing wings on the hanging article, wherein the balancing wings are adapted to be folded at an unfolded position that the two balancing wings are arranged for outwardly extending from the two sidewalls of the hanging article in such a manner that the two balancing wings are capable of blocking a spinning movement of the hanging article with respect to the supporting surface so as to retain the front side of the hanging article in position.

Abstract: A wind power generating system that includes a series of progressively larger fan fans, the fans positioned in series relative to one another such that the blades of the trailing fans project into the wind stream that has been disturbed by the preceding fan and the undisturbed wind stream.

Abstract: A wind power system (1) for generating power is proposed, comprising a rotor which is axially flowed through, is rotatably held on a shaft (2) and is provided with blades (3), as well as a guide device (5) which accelerates the air flow through the rotor (4). In order to provide advantageous conditions for generating power it is proposed that the guide device (5) consists of several flow conduits (6) tapering in the direction of flow, which conduits are arranged on the rotor (4) in a distributed way in the manner of a rim around the shaft (2), that the blades (3) are associated with one flow conduit (6) each and that the rotor (4) comprises an outside jacket (7) enclosing the same.

Abstract: A ventilation fan that functions as a wheel for movements. The generally cylindrical fan housing is pivotally coupled to a triangular handle. The handle may be manually grasped to roll the fan towards an operative position. The handle may be positioned in a temporary storage position, and an inverted, operative position where the drum is elevated for stable use. The drum-shaped fan rolls on its own, and the fan radius becomes the rolling radius. The preferred handle is attached to suitable bearings secured to the guards at the center of each side of the fan. When the destination is reached, the handle is deployed upside-down to function as a support stand, and the fan remains in a stable orientation without moving or shifting its position during operation.

Abstract: A personal fan has a stable mounting base with a bottom surface adapted to lie against the chest of a wearer and a top surface. The stable mounting base is in the form of a weighted shallow robust body having a length and breadth substantially greater than its thicknes. A tiltable shroudless fan unit is mounted on the top surface. A control for the fan is located on the body. A cord is attachable to the body to permit the body to be suspended around the neck of the wearer such that the bottom surface lies snugly against the wearer's chest and the shroudless fan unit can be oriented to direct airflow onto the user's face and the control is accessible to the user.

Abstract: A blower includes a base having a transverse passage for receiving a motor therein and a fan device driven by the motor extends from a hole in an end of the base. A casing including an outlet is connected to the base and mounted to the fan device. An anti-back device is engaged in the outlet and includes a frame to which a plate is pivotably connected. The plate is opened by the air sent via the fan device in one direction and seals the outlet when air goes in opposite direction.

Abstract: A fan for use with a grain structure and the like having end plates in spaced parallel alignment with an inlet port in one plate and an outlet port in the opposite plate, a barrel housing positioned between the end plates and in communication with the ports, and a plurality of reinforcing members secured to, and extending between, the end plates and being in spaced relation to an outside surface of the barrel housing to permit the manual grasping thereof for purposes of moving the fan.

Abstract: A portable electrical blower assembly is provided. The portable electrical blower assembly has a pair of wall members; a motor control assembly coupled to a surface of one of the wall members, the motor control assembly including a motor control housing; a motor adjacent the motor control assembly and coupled thereto; and an air director disposed between the pair of wall members, the air director being rotatable with respect to the pair of wall members and the motor.

Abstract: Provided is a neck fan for personal cooling which can be supported by a lanyard around a wearer's neck so that a cooling breeze may be directed to cool the wearer's face and neck area while the wearer's hands are free to be engaged in ordinary activities of work, leisure, play, —, —, etcetera. The geometry of the construction of the fan device is such that it lay close to the body of the wearer so as to minimize the fan device from coming into undesirable contact with other items in the wearer's environment. The lanyard which supports the fan device about the wearer's neck may be provisioned with an optional break-away safety link so that should the fan device become accidentally entangled with the environment, the breakaway safety link will permit the lanyard to separate before the wearer will be seriously injured. The lanyard system also provided length and angle adjustments.

Abstract: A nail dryer includes a housing for contacting a user's fingers and an air stream generation unit received in the shell for generation of air stream in order to dry nail polish on the user's nails. The housing defines a plurality of vents and a plurality of apertures. Air leaves the housing through the vents and enters the housing through the apertures. The housing includes two shells each defining a plurality of apertures. One of the shells includes a plurality of hooks formed thereon and the remaining one of the shells includes a corresponding number of recesses defined therein for receiving the hooks. The air stream generation unit includes a motor and a propeller connected with the motor. The motor is connected with a DC power supply through a circuit. The circuit includes a switch. The housing includes a seat on which the motor is mounted. The seat includes a plurality of plates projecting from one of the shells. Each of the plates of the seat includes an edge complementary to the motor.

Abstract: A personal fan construction 10 for blowing noxious fumes and odors away from a user's breathing passages and including a fan unit 13 mounted on a housing member 30 that is provided with at least one slot 32 dimensioned to receive a strap unit 11 for securing the construction 10 to a selected portion of a user's anatomy; wherein, said fan unit 13 is angularly adjustable relative to both said housing member 30 and the strap unit 11.

Abstract: A personal fan generally comprises a source of electrical power such as, for example a power supply unit and a fan motor with one or more blades dependently supported by an adjustable arm. A tilt switch is provided for novel functionality for the personal fan, including the interruption of operation of the fan's blades while a user is drinking from an affixed cup or for activation of a provided light to indicate the need for replenishment of a beverage contained within the cup. A mounting assembly is provided for affixing the personal fan to a cup or mug, the brim of a hat or to any other desired structure in the proximity of a person who wishes to make use of the personal fan.

Abstract: computer cooling fan includes a fan and a plastic fan holder fixedly fastened to the computer mainframe, monitor, computer table, or the like, and adapted to hold the fan, the fan having a fan stand capable of supporting the fan on a flat surface positively, a fan blade, and a fan head unit pivoted to the fan stand and turned to move the fan blade to the desired angle and controlled by an on/off switch at the fan stand to rotate the fan blade, the fan holder having a receptacle adapted to hold the fan stand of the fan.

Abstract: The Mamikon spinner is a continuous 3 twist, single surface, having threefold symmetry and dynamic properties. It spins with a slight flow of air in the direction of the axes, and when rotated about the axis of symmetry, it acts as a blade, propeller or fan, providing for a multiplicity of utilitarian, educational, entertainment and ornamental uses.

Abstract: A portable cooling fan. The fan includes a fixed rack arranged under a frame body, a wheel set disposed laterally on the fixed rack, a support rod located at a position opposite against the wheel set for stabilization, and a handgrip arranged on an upper position of the fan body for carrying the cooling fan easily. In addition, an indented costa is formed on each of the leaf blades by pressing, to enhance intensity of the leaf blades and create turbulence to enlarge the blowing area. The frame body includes a protective mantle, which is supported with a plurality of reinforcement ribs.

Abstract: A pair of high speed blowers are pivotally mounted in a vertical plane on a movable frame structure. Each blower has blades turning in an opposite direction from the other blower. The blowers are locked in place at an angle of 10 to 60 degrees with respect to each other so that air emanating from the blowers impinge on each other downstream from the blowers. The air impingement creates a triangular type expanding air stream pattern downstream from the impingement area.