752results about "Circumferential flow pumps" patented technology

A fully submersible apparatus for generating electricity from liquid flow as in an ocean or river current. A buoyant structure is fully submersible and has at least one pair of counter-rotating side-by-side motors with a plurality of angularly spaced radial vanes each having a plurality of rotatable subvanes such that current impinging upon the motor will impinge on a closed or solid vane to effect rotation of the motor and its shaft during a first phase of the rotational cycle and will impinge on open vanes for free passage therethrough on the return or second phase of rotation of the motor. Motors may also be provided with vanes in overlying and underlying relationship. An associated method is provided.

A stable portable air moving device capable of generating an air stream elevated above a support surface allowing the air stream to be directed as desired by the user is provided. The device includes an air blower assembly located within an elongate housing generating an exhaust air stream that exits the elongate housing at an elevation above the air blower assembly.

A fan assembly for creating an air current includes an air inlet, an air outlet, an impeller and a motor for rotating the impeller to create an air flow passing from the air inlet to the air outlet. The air outlet includes an interior passage for receiving the air flow and a mouth for emitting the air flow. The air outlet defines an opening through which air from outside the fan assembly is drawn by the air flow emitted from the mouth. The motor has a rotor which, in use, is capable of rotating at a speed of at least 5,000 rpm.

A cooling fan is provided that does not place limitations on the installation conditions for the fan, is capable of cooling a backlight unit of a display panel with high efficiency, and produces less noise during operation. Also provided is an image display apparatus equipped with the cooling fan. The cooling fan includes a fan rotator composed of a rotational shaft that is rotationally driven by a driving motor and two vanes that have parallel revolution shafts that rotate together with the rotational shaft, are freely rotatable on the shafts, face one another, and revolve around the rotational shafts and a vane angle control unit that implements control so that each vane has a maximum rotation angle when a revolution angle of the vanes is in a vicinity of a first revolution angle and each vane has a rotation angle of 0° when a revolution angle of the vane is in a vicinity of a second revolution angle that is perpendicular to the first revolution angle. By rotating the fan rotator, a wind in a single direction perpendicular to the rotational shaft is generated to cool a back light unit of a flat panel display, for example.

There is provided a cooling apparatus for a flat display device. The cooling apparatus includes a flat display module, a cover for protecting an exterior of the flat display module, an air inlet formed on one side of the cover, for introducing external air, an air outlet formed in the other side of the cover, for discharging high temperature air contained inside the cover, and a shield for selectively closing the air outlet to prevent inflow of foreign substances.

A personal ventilation system uses a cross-flow fan and one or more filters, where the filter preferably has a cylindrical or elongated elliptical shape that at least partially surrounds the rotor of the cross-flow fan. The filters preferably remove particles, undesired gases, and micro-organisms.

There is provided a cooling apparatus for a flat display device. The cooling apparatus includes a flat display module, a front cover for protecting a front portion of the flat display module, a back cover for protecting a rear portion of the flat display module, an air inlet formed on a portion of the back cover to allow external air to be introduced into the back cover, an air outlet formed on another portion of the back cover and extending along a longitudinal length of the flat panel display module; a fan disposed inside the back cover and aligned with the air outlet formed on the back cover, and an air outlet channel formed in the back cover and aligned with the air outlet formed on the back cover, the air outlet having an effective exhaust area having a longitudinal length extending in a longitudinal direction of the flat display module.

A motor, possibly for a pump, has a housing, a first member disposed within the housing and mounted on an inner wall of the housing, and a second member rotatably disposed within the housing and having a rotary shaft. A thrust bearing is mounted within the housing in order to support a first end of the rotary shaft in an axial direction of the rotary shaft. A core and coils wound around the core are provided on one of the first and second members. A set of magnets is provided on the other of the first and second members. The core and the set of magnets are positioned such that a magnetic force is produced in an area where a magnetic flux is generated between the core and the set of magnets. The magnetic force causes the second member to move toward the thrust bearing.

A bulk materials pump feeder having a housing and a rotating drive rotor for transferring material from an inlet to an outlet of the housing. The drive rotor has a hub. Drive disks extend away from the hub toward a housing inner wall. Three structural features of the feeder reduce the tendency of material to jam between the drive rotor and the housing or other stationary parts. First, the distance between the circumferential edges of the drive disks and the housing inner wall increases from the inlet to the outlet in the direction of rotation of the drive rotor. Second, a low-friction brush seal disposed on the periphery of the drive disks seals the area between the periphery of the drive disks and the inner wall. Finally, a materials scraper having a flexible tip is mounted in the housing and extends into the drive rotor between the drive disks.

The present invention relates generally to systems and methods for facilitating the movement of fluids, transferring mechanical power to fluid mediums, as well as deriving power from moving fluids. The present invention employs an impeller system in a variety of applications involving the displacement of fluids, including for example, any conventional pumps, fans, compressors, generators, circulators, blowers, generators, turbines, transmissions, various hydraulic and pneumatic systems, and the like.

A heat dissipating device includes a motor, a rotary unit, and a housing for receiving the motor and the rotary unit. The rotary unit includes a hub mounted to the motor and blades extending from the hub. The housing defines a hot air inlet, a hot air outlet, a cold air inlet, and a cold air outlet. The housing includes a first partition and a second partition located close to outer ends of the blades. The two partitions divide the housing into a first channel coupling the hot air inlet and the hot air outlet, and a second channel coupling the cold air inlet and the cold air outlet. The two partitions have widths greater than a pitch of the blades to prevent air from mixing in the two channels. The two channels create a bi-directional blower that removes hot air from and provides cold air into a computer case.

A fluid pump includes a motor portion that has a stationary part and a rotator. The inner circumferential periphery of the stationary part and the outer circumferential periphery of the rotator define a fuel passage therebetween. The rotator is rotatable around the inner circumferential periphery of the stationary part. The motor portion drives a pump portion for pumping fuel through the fuel passage. The rotator includes a permanent magnet that is formed by injection molding a composite material containing a magnetic material and resin. The permanent magnet has one end with respect to the axial direction of the permanent magnet. The one end defines an axial end surface. The axial end surface has an injection port mark.

An integrated motorized pump (1) comprising an impeller (2) mounted on an axle (3), two magnetic drives (6) electromagnetically coupled to an electric motor (7), a casing (8) with a flowing space (9), an inlet channel (10) and an (11). The impeller (2) has circumferential arrayed magnetic means (13) magnetized in the direction parallel to the axle (3). The electric motor (7) comprising said impeller (2) as a rotor, and two stator plates (20). The stator plates (20) are covered with a liquid tight coating and comprise circumferential arrayed coils (21) etched on circuit board metal layers (22). Each magnetic drive (6) comprises a stator (14) with circumferential arrayed coil windings (16) and two magnetized disks (15). The magnetized disks (15) are mounted on the axle (3) perpendiculary to it and have a circumferential carry of radially extending poles (17).

A heat dissipating device includes a motor, a rotary unit, and a housing for receiving the motor and the rotary unit. The rotary unit includes a hub mounted to the motor and blades extending from the hub. The housing defines a hot air inlet, a hot air outlet, a cold air inlet, and a cold air outlet. The housing includes a first partition and a second partition located close to outer ends of the blades. The two partitions divide the housing into a first channel coupling the hot air inlet and the hot air outlet, and a second channel coupling the cold air inlet and the cold air outlet. The two partitions have widths greater than a pitch of the blades to prevent air from mixing in the two channels. The two channels create a bi-directional blower that removes hot air from and provides cold air into a computer case.

In a supercharger (10) with an electric motor in accordance with the present invention, the electric motor (20) is arranged at a position adjacent to a compressor impeller (6), a center housing (14) has a cooling fluid flow path (34) formed in such a manner as to surround the electric motor (20) and be adjacent to a diffuser portion (25). A first cooling structure portion (38) is formed at a position in the electric motor (20) side in the cooling fluid flow path (34), a second cooling structure portion (39) is formed at a position in the diffuser portion (25) side in the cooling fluid flow path (34). The electric motor (20) is cooled by the first cooling structure portion (38). The diffuser portion (25) is cooled by the second cooling structure portion (39).

A vertical tower fan includes a frame structure defining multiple vertically spaced fan spaces, a fan module controllable to rotate vertically spaced fan blades, and multiple housing members mounted on the frame structure at different elevations and respectively surrounding the fan blades and respectively rotatable to adjust the direction of one respective air outlet.

A cooling fan is provided that does not place limitations on the installation conditions for the fan, is capable of cooling a backlight unit of a display panel with high efficiency, and produces less noise during operation. Also provided is an image display apparatus equipped with the cooling fan. The cooling fan includes a fan rotator composed of a rotational shaft that is rotationally driven by a driving motor and two vanes that have parallel revolution shafts that rotate together with the rotational shaft, are freely rotatable on the shafts, face one another, and revolve around the rotational shafts and a vane angle control unit that implements control so that each vane has a maximum rotation angle when a revolution angle of the vanes is in a vicinity of a first revolution angle and each vane has a rotation angle of 0° when a revolution angle of the vane is in a vicinity of a second revolution angle that is perpendicular to the first revolution angle. By rotating the fan rotator, a wind in a single direction perpendicular to the rotational shaft is generated to cool a back light unit of a flat panel display, for example.

A fan assembly for creating an air current includes an air inlet, an air outlet, an impeller and a motor for rotating the impeller to create an air flow passing from the air inlet to the air outlet. The air outlet includes an interior passage for receiving the air flow and a mouth for emitting the air flow. The air outlet defines an opening through which air from outside the fan assembly is drawn by the air flow emitted from the mouth. The motor has a rotor which, in use, is capable of rotating at a speed of at least 5,000 rpm.

An apparatus for cooling of electronic components of the present invention are provided with a heatsink and a blower with an electric drive. The heatsink comprises a base and heat exchanging means. The electric drive comprises a stator and a rotor with an axle; the stator is rigidly built-in to the heatsink. The blower comprises a radial type magnetized impeller as the rotor. The base provides thermal contact with the electronic component and the heat exchanging means. The base is comprised of at least two layers composite material thereof including at least one layer of electrically insulating material and at least one layer of thermally and electrically conductive material that including the stator.

A fan for a cross flow fan assembly, including a plurality of elongate fan blades supported in an axial cylindrical pattern about a rotational axis by disk shape fan blade mounting members located adjacent ends of the blades. The fan blades have radial outer end portions defining an outer diameter of the fan, radial inner end portions opposite the radial outer end portions, and curved intermediate portions between the radial outer end portions and the radial inner end portions, respectively. Each of the fan blades is oriented such that the radial outer end is at about a 28° angle to a line tangent to the fan diameter at the outer end portion thereof, and the radial inner end portion is directed radially inwardly directly toward the axis or such that a line tangential to the radial inner end portion will pass through the axis.

A bulk materials pump feeder having a housing and a rotating drive rotor for transferring material from an inlet to an outlet of the housing. The drive rotor has a hub. Drive disks extend away from the hub toward a housing inner wall. Three structural features of the feeder reduce the tendency of material to jam between the drive rotor and the housing or other stationary parts. First, the distance between the circumferential edges of the drive disks and the housing inner wall increases from the inlet to the outlet in the direction of rotation of the drive rotor. Second, a low-friction brush seal disposed on the periphery of the drive disks seals the area between the periphery of the drive disks and the inner wall. Finally, a materials scraper having a flexible tip is mounted in the housing and extends into the drive rotor between the drive disks.

An apparatus for cooling of electronic components of the present invention are provided with a heatsink and a blower with an electric drive. The heatsink comprises a base and heat exchanging means. The electric drive comprises a stator and a rotor with an axle; the stator is rigidly built-in to the heatsink. The blower comprises a radial type magnetized impeller as the rotor. The base provides thermal contact with the electronic component and the heat exchanging means. The base is comprised of at least two layers composite material thereof including at least one layer of electrically insulating material and at least one layer of thermally and electrically conductive material that including the stator.

A portable, vertical tower fan capable of generating a vertically oriented exhaust air stream that conforms better to a user at an elevation above a support surface. The device includes an vertically elongated housing, an air blower assembly located within the elongated housing and a base provides a space saving design.

A fuel pump has a motor portion and a pump portion, wherein fuel is sucked from an inlet port into the pump portion when an impeller is rotated and the pressurized fuel is discharged out of the fuel pump from an outlet port. A stator has multiple stator cores on which respective stator coils are wound to form a star-connection winding. A terminal sub-assembly is provided in an axial side portion of the stator. The terminal sub-assembly has multiple conductive members and each end portion of the stator coils is respectively connected to connecting portions of the conductive members, which are arranged at equal intervals in a circumferential direction of the terminal sub-assembly.

[Object] To improve resistance of a motor device against an organic solvent and to suppress degradation in performance of the motor device with time.[Solving Means] In a motor device, an excitation magnet is formed using a hollow-cylinder shaped anisotropic bonded magnet 13. This bonded magnet 13 is press-fitted in a housing 12 and is held. The bonded magnet 13 is formed of a hollow-cylinder shaped anisotropic rare earth bonded magnet which is obtained by compounding an anisotropic rare earth magnet powder with a phenol-novolac type epoxy resin, followed by molding. The anisotropic rare earth bonded magnet 13 is press-fitted along an inner peripheral portion of the housing 12, and on an exposed surface layer of the anisotropic rare earth bonded magnet press-fitted in the housing, a coating layer is formed by an infiltration treatment using a polyamide-imide-based resin.

A preferred embodiment supplemental heating system is fluidly connectable to a vehicle cooling system and includes a liquid heat generator operable for heating a cooling fluid delivered to the supplemental heating system from the vehicle's cooling system. The liquid heat generator includes a discharge passage connectable to a heater core of the vehicle and a inlet passage connectable to the vehicle's cooling system. The supplemental heating system further includes a control valve having an inlet connectable to an exit passage of a heater core of the vehicle, a discharge passage fluidly connected to the liquid heat generator, and a second discharge passage connectable to the vehicle's cooling system. The control valve is operable for controlling the proportion of cooling fluid exiting the heater core that is returned to the vehicle's cooling system and recirculated back to the liquid heat generator.

A two-stage, omnidirectional vertical axis wind turbine includes a first chamber in which a plurality of angularly spaced horns guide wind from any side of the wind turbine into a chamber to rotate a first rotor. Wind exiting the first rotor passes through a diverter to produce laminar flow. A fan attached to the shaft intercepts this laminar flow to add additional torque to the shaft.

A fluid pump includes an inlet for introducing fluid into the fluid pump and an outlet for discharging fluid from the fluid pump. The fluid pump also includes a motor having a shaft with an upper end and lower end that rotates about an axis. The fluid pump also includes a motor frame having a top section, a base section, and a plurality of legs that axially separate the top section and the base section. The fluid pump also includes a lower bushing for radially supporting the lower end of the shaft. The top section defines an upper bushing therein for radially supporting the upper end of the shaft and the base section maintains a coaxial relationship between the lower bushing and the upper bushing.