Class / Patent application number | Description | Number of patent applications / Date published |
417423700 |
With specific motor details
| 183 |
417423140 |
With specific housing details
| 99 |
417423120 |
Having bearing
| 58 |
417423300 |
Submersible type
| 49 |
417423800 |
Having additional means to remove heat from pump or motor
| 27 |
417423150 |
Having means to mount pump and motor in working position
| 16 |
417423110 |
Having means to prevent fluid leaking between pump and motor
| 15 |
417423400 |
Turbomolecular pump
| 13 |
417423500 |
Plural units
| 7 |
417423600 |
Having nonflexible means to transmit power between motor shaft and pump shaft | 5 |
20100143169 | Cooling Fan With One-Way Clutch Bearing - A cooling fan assembly, and method of operation, for use in an engine compartment of a vehicle is disclosed. The cooling fan assembly includes an electric motor having a motor shaft extending therefrom, a one-way clutch bearing mounted on and rotating with the motor shaft, and a cooling fan. The cooling fan includes a central hub with fan blades extending from the central hub. The central hub engages the one-way clutch bearing such that torque is transmitted from the motor shaft to the central hub in a first direction of rotation and torque is not transmitted from the motor shaft to the central hub in an opposed direction of rotation. | 06-10-2010 |
20120201701 | CENTRIFUGAL COMPRESSOR HAVING VARIABLE GEOMETRY DIFFUSER AND METHOD THEREOF - A centrifugal compressor is provided. The centrifugal compressor includes a plurality of diffuser vanes arranged in a circumferentially spaced array about a machine axis. Each diffuser vane is mounted on a respective shaft. Each of the shafts is coupled to a ring that is rotatable about the machine axis. A worm drive is provided that includes a worm that meshes with a worm gear or a segment of a worm gear mounted along a portion of the circumference of the ring. A step motor is coupled to the worm. The step motor is operable to rotate the worm about a worm axis perpendicular to the machine axis, such that the worm drive transmits rotational torque from the step motor to the ring, to resultantly vary the position of the diffuser vanes. | 08-09-2012 |
20130177460 | Air Pump and Connecting Piece for the Same - A connecting piece for an air pump comprises a first connecting board and a second connecting board, and the bottom of the first connecting board is connected with the top of the second connecting board. A first mounting hole is set up on the first connecting board, and a compression chamber is mounted in the first mounting hole. A second mounting hole is set up on the second connecting board, and a power device is mounted in the second mounting hole. The first and second mounting holes are both through holes. The air pump includes a power device and a transmission device connected together via the connecting piece. | 07-11-2013 |
20140328706 | Mainline Electric Oil Pump Assembly and Method for Assembling Same - The mainline electric oil pump assembly relates to the field of assemblies for pumping oil in main oil pipelines. The aim of the present invention is to create a mainline electric oil pump assembly with improved technical and economic characteristics, reduced noise and vibrations, and increased reliability, service life and performance. The main distinguishing features of the proposed assembly which contribute to the achievement of the aforementioned aim are: the non-splined, zero-backlash seating of the impeller on a smooth shaft, the use of roller bearings seated in a non-splined, zero-backlash fashion on the smooth shaft, the use of mechanical seals seated in a non-splined, zero-backlash fashion on the smooth shaft, the use of self-correcting adjustable spherical supports under the supporting feet of the pump, and the boring of the seating surfaces of the pump housing for the rotor in a single set-up operation. | 11-06-2014 |
20150369247 | RADIAL- ODER DIAGONALVENTILATOR - The invention relates to a radial fan with an impeller ( | 12-24-2015 |
417424100 |
Supported for rotation on vertical axis | 4 |
20150330410 | CEILING FAN STRUCTURE WITH DETACHABLE DC CONTROLLER - A ceiling fan structure with detachable DC controller includes a canopy having a mounting bracket assembled therein, a filter device assembled in the canopy, a downrod fixed to the mounting bracket at a top end thereof, a bottom end of the downrod passing through the canopy and vertically downward extending, a motor assembled to the bottom end of the downrod, the motor having a shaft, a suspending case enclosing the motor, a DC controller assembled on the suspending case and having a switching circuit and signal wires, each signal wire passing though the suspending case and electrically connected to the motor, the filter device having power wires, each power wire passing through the downrod and electrically connected to the switching circuit of the DC controller, blades fixed around the shaft and the blades rotated by the rotation of the shaft. | 11-19-2015 |
20160102668 | VERTICAL PUMP HAVING MOTOR SUPPORT WITH TRUSS ELEMENTS - A vertical pump has a motor support for arranging between a lower pump assembly and an upper motor assembly in relation to a vertical pump axis. The motor support features a base plate for coupling to the lower pump assembly; a mounting plate for coupling to the upper motor assembly; and at least three pairs of truss elements connected between the base plate and the mounting plate and oriented obliquely in relation to the vertical pump axis, each pair having respective truss elements with converging ends coupled to one of the base plate or mounting plate at a substantially common point and with diverging ends coupled to the other of the base plate or mounting plate at different points. | 04-14-2016 |
20160102670 | Fan Assembly Having An Improved Support Arrangement - A support assembly for a fan includes a hanging member, an elongate support member, a resilient interface member, and a fastener member. The hanging member has a support surface and an inner circumferential surface defining a central passage. The elongate support member includes a first end portion and a second end portion, the first end portion extending into the central passage and defining a first fastener aperture and a second fastener aperture. The resilient interface member is interposed between the elongate support member and the central passage, includes a first plurality of outwardly extending ribs configured to engage the inner circumferential surface in the central passage, and defines a third fastener aperture substantially aligned with the first fastener aperture and a fourth fastener aperture substantially aligned with the second fastener aperture. The fastener member extends through the fastener apertures and is supported by the support surface. | 04-14-2016 |
20160186765 | COLUMNAR AIR MOVING DEVICES, SYSTEMS AND METHODS - Air moving device includes a housing, an impeller in the housing for generating a downward air flow, and vanes in the housing in close proximity to and a selected distance below the impeller to straighten the air flow. The device produces an air flow that substantially remains in a column over a substantial distance. The method includes producing an air flow that substantially remains in a column over a substantial distance and directing the air flow from the ceiling towards the floor to provide temperature destratification of the air in an enclosed space. The method also includes directing warm air from the ceiling to the floor and storing heat in the floor, apparatus on the floor and ground under the floor. The stored heat is released when the ceiling is cooler than the floor. | 06-30-2016 |
417423200 |
Vacuum cleaner | 4 |
20090010782 | Fan Unit, Particularly for a Vacuum Cleaner - A vacuum cleaner fan with an electric drive motor having a stator assembly and a rotor. The stator assembly and rotor are disposed in a bearing pot. An at least single-stage fan unit is driven by the electric motor. The fan unit includes a guide stage, a suction cap, and an impeller that is configured to generate an air stream. The bearing pot includes a receiving pocket which holds an adapter housing. The adapter housing accommodates a printed circuit board. A power semiconductor operable to control rotational speed of the fan unit is included on the printed circuit board. At least a portion of the power semiconductor protrudes from the adapter housing into the vicinity of the air stream generated by the fan unit. | 01-08-2009 |
20100209271 | FAN MOTOR APPARATUS HAVING DIFFUSER UNIT FOR VACUUM CLEANER - A fan motor apparatus of a vacuum cleaner having a diffuser unit is provided. The fan motor apparatus of a vacuum cleaner includes a fan motor unit into and from which an air stream is introduced and discharged in the same direction, and a diffuser unit having an air suction area to discharge an air stream to the fan motor unit through a fluid passage surface, the fluid passage surface through which an air stream is drawn in and discharged out of the diffuser. An air discharge area of the diffuser unit may receive the air stream discharged from the fan motor unit, and distribute and discharge the air stream through a perimeter of the air suction area of the fluid passage surface. | 08-19-2010 |
20130171013 | MOTOR ASSEMBLY FOR VACUUM CLEANER - Disclosed herein is a motor assembly for a vacuum cleaner, the motor assembly including: an inlet introducing air therethrough; a motor; an impeller installed on a shaft of the motor and including a plurality of blades disposed at predetermined intervals between a pair of plates facing each other so that it rotates by the motor to suck the air; a diffuser disposed at an outer side of a discharge hole formed at an edge of the impeller; a first fan including a plurality of blade parts disposed at predetermined intervals while having the shaft as a concentric axis and disposed beneath the diffuser; and an outlet discharging the air to the outside. | 07-04-2013 |
20150351599 | VACUUM CLEANER WITH MOTOR ASSEMBLY - Disclosed herein are a motor assembly having an improved arrangement structure in which a motor assembly is arranged to an inside of a vacuum cleaner or having an improved internal structure such that an impeller and a rotor are concentrically disposed, and a vacuum cleaner having the same. | 12-10-2015 |
417423900 |
Having means to prevent debris from entering pump | 3 |
20100003149 | REAR-POSITIONED FILTER MOUNT FOR USE WITH A BOX OR CAGE FAN FOR REDUCING DUST EMISSION AND IMPROVING INTERIOR AIR QUALITY - A fan assembly including a pedestal supported and upwardly extending body. A control adjustable electric motor is secured to an upper end of the body. A fan subassembly includes a peripheral and depth defining shroud communicating a rear grate with a front grate. A plurality of rotatable fan blades are operated by the motor and extend from a hub rotatably supported within the shroud between the front and rear grates such that a rear induced vacuum results from rotation of the fan blades. A filter and associated bracketry secures the filter in communication with the rear grate in order to filter contaminants attracted via the induced vacuum forces to the rear of the fan during operation. | 01-07-2010 |
20110103982 | Ceiling fan - The invention is an improved ceiling fan for cleaning polluted air. A fan rod ( | 05-05-2011 |
20150064034 | MODULAR INTAKE FILTER SYSTEM, APPARATUS AND METHOD - A modular intake filter system, apparatus and method for an artificial lift pump assembly is described. A modular intake filter apparatus comprises at least one modular intake filter comprising a perforated housing supportively engaged to a production pump of an artificial lift assembly, and a porous media cartridge sealed to an exterior of the perforated housing, wherein a porosity of the porous media cartridge is selected to prevent media of a chosen size from entering the production pump, and wherein a number of the at least one modular intake filter in the apparatus is determined by calculating an area of filtration material required by dividing a selected flow rate of pumped fluid by a permeability of the porous media cartridge, and calculating the number of the at least one modular intake filters by dividing the area of filtration material required by a surface area of a single modular intake filter. | 03-05-2015 |
Entries |
Document | Title | Date |
20080260556 | Integrated pump and motor - An integrated motor pump for use in medical devices and the like. | 10-23-2008 |
20080267799 | Hermetic type compressor - A hermetic type compressor including balance weights installed on a rotor so as to compensate for rotating unbalance of a rotary shaft, thereby reducing a level of noise. The hermetic type compressor has a compressing unit, which compresses a refrigerant, a driving unit, which provides driving force to compress the refrigerant, a stator, a rotor that rotates in electromagnetic interaction with the stator, and a rotary shaft, which is press-fit into a center of the rotor so as to transmit the driving force of the driving unit to the compressing unit, and has an eccentric part on one end thereof. The rotor has balance weights so as to compensate for rotating unbalance of the rotary shaft caused by the eccentric part on upper and lower ends thereof, where each balance weight has a shape of a ring, part of which has at least a hollow space. | 10-30-2008 |
20080279704 | PUMP WITH ROTATING INLET - A device for use in a molten metal pump helps alleviate jams between a rotating rotor and stationary inlet. The device includes an inlet structure including one or more openings and a displacement structure that preferably includes one or more rotor blades. The inlet structure and displacement structure are connected to one another (preferably, but not necessarily, as a unitary piece), thus enabling them both to rotate. A pump including the device is also enclosed. The invention further includes a bearing surface for an impeller or for a device according to the invention, wherein the bearing surface includes grooves that help reduce molten metal build up between the bearing surface of the impeller or device and the bearing surface of a pump chamber. | 11-13-2008 |
20090022608 | DRIVE DEVICE FOR THE OIL PUMP OF A MOTOR VEHICLE TRANSMISSION - A drive device ( | 01-22-2009 |
20090104058 | Sealed pump - A liquid pump has an annular stator having wire windings that extend around a generally tubular central opening. An inner housing made of a non-ferrous material has an inner opening, an input end, and an output end such that liquid can enter the input end, pass through the inner opening and exit through the output end. A portion of the housing extends through the central opening of the stator and a brushless rotor mounted on a shaft is positioned entirely within the housing to thereby seal the shaft from leakage. A drive attached to the shaft urges the liquid from the input end of the housing to the output. | 04-23-2009 |
20090123310 | External inline LPG fuel pump - There is provided an external inline LPG fuel pump, and more particularly, an external inline LPG fuel pump; in which bushings are installed at first and second shafts of a motor to be fixed inside a housing, a ball is completely coupled to an end of the first shaft to prevent the motor from being shaken due to the bushings, and another ball is inserted into an end of the second shaft to fix the motor, thereby preventing the durability of the fuel pump from deteriorating by wear of a bushing part, a pumping part and an inside of the housing even though an LPG fuel is introduced when the motor is driven, prolonging the life of the fuel pump and reducing the repair and exchange costs involved with the fuel pump; in which a case inside which the housing is positioned is formed and a partition is installed inside the case, thereby cooling the high-temperature LPG fuel discharged through an outlet of the housing to reduce heat load and improving the durability of a device receiving the LPG fuel transferred from the fuel pump. | 05-14-2009 |
20090155102 | Integrated hydrogen recirculation blower for fuel cell vehicle - A hydrogen recirculation blower for a fuel cell vehicle includes an ejector integrated with a housing of the blower. An integrated hydrogen recirculation blower for a fuel cell vehicle includes: a blower housing including an inlet and an outlet formed on a top surface thereof; an impeller rotatably installed inside the blower housing; a motor connected to a rear end of the impeller to rotate the impeller; and an ejector formed integrally on a upper surface of the blower housing. | 06-18-2009 |
20090324434 | WASHER PUMP - An enhanced pump assembly includes an impeller and volute casing designed to provide high operating pressures (“P”) and flow rates (“Q”) with low energy usage. The impeller has a central shaft carrying radially projecting curved primary vanes, and each primary vane also has a twist in the radial direction. Secondary impeller vanes define triangular connecting fillet-like wall segments connecting each primary vane to the impeller shaft. The casing of the pump has a slight spiral deviation so that the pump chamber's radial sidewall flares away from the swept area of the impeller's vanes to define a fluid outlet that contributes to higher P-Q performance, especially when pumping colder fluids. | 12-31-2009 |
20100034677 | DUAL-POWERED AIRFLOW GENERATOR - A dual-powered airflow generator comprising: a primary fan motor powered from a primary power source and an auxiliary fan motor powered from a secondary power source. In one embodiment, the primary fan motor has a first drive shaft wherein operation of the primary fan motor causes a desired airflow at a design power of the primary power source. In a preferred embodiment, the auxiliary fan motor is powered from a secondary power source and has a second drive shaft mechanically coupled to the primary fan motor, wherein the auxiliary fan motor is configured to assist the primary fan motor in causing the desired airflow while the primary fan motor operates from the primary power source at a reduced power. In a preferred embodiment, the auxiliary fan motor is powered by a solar power generating device or other alternative energy source. | 02-11-2010 |
20100074778 | Closed-circuit hydraulic propeller - The present invention provides closed-circuit hydraulic propeller used for the generation of thrust, or lift, force from the torque provided by a prime mover, or a motor, with said thrust, or lift, force being utilized in propelling, or lifting, a movable vehicle. In a preferred embodiment the closed-circuit hydraulic propeller comprises an outer casing; two inner-members; an intermediate body; a drive shaft; a rotor assembly including at least one central disk and a plurality of circumferentially arranged thrust, or lift, generating, blades; and an incompressible fluid completely filling the space enclosed within the casing. In operation, the incompressible fluid will circulate within the passages confined between the opposing surfaces of the casing, inner-members, and intermediate body due to its acceleration by the rotor blades, with the blades' generated thrust force being transmitted to the propeller's casing through thrust bearing arrangement(s) Means for cooling the incompressible viscous fluid are also provided. | 03-25-2010 |
20100104461 | Multi-Part Modular Airfoil Section and Method of Attachment Between Parts - A fan system includes a motor, a rotatable hub, and a plurality of fan blades. Each of the fan blades includes a substantially rigid spine member, a resilient leading edge member, and a resilient trailing edge member. The leading edge member and trailing edge members are removably coupled with the spine member, such that different leading edge members and different trailing edge members may be chosen to customize the leading and trailing edges of the fan blades. Each fan blade may have more than one type of leading edge member or more than one type of trailing edge member. The leading edge member and trailing edge member may each be coupled with the spine member by urging the leading edge member and trailing edge member in a direction that is substantially perpendicular to the longitudinal axis defined by the spine member. | 04-29-2010 |
20100135832 | Rotary Blood Pump - Various “contactless” bearing mechanisms including hydrodynamic, hydrostatic, and magnetic bearings are provided for a rotary pump as alternatives to mechanical contact bearings. These design features may be combined. In one embodiment, a pump housing has a spindle extending from a wall of the pump housing into a pumping chamber defined by the pump housing. The spindle has a stepped portion adjacent the wall. In one embodiment, the stepped portion is defined by a change in spindle diameter. The lack of mechanical contact bearings enables longer life pump operation and less damage to working fluids such as blood. | 06-03-2010 |
20100158722 | Air supplier, particularly for an air supply system for fuel cells - In an air supplier particularly for air supply systems for fuel cells including a compressor having a housing with a radial diffuser and including a rotor operated, by an electric motor, a diverting channel is connected to the radial diffuser providing a communication path guiding the air via an axial annular passage to an inwardly extending coiled collecting chamber whose outer diameter is not substantially larger than the outer diameter of the electric motor. | 06-24-2010 |
20100183459 | MINIPUMP - The present invention discloses an adhesion rotary disc pump comprising a housing embedding therein at least one adhesion-propelling disc mounted on a rotatable shaft that is drivable by a drive, wherein fluids engaging with said at least one adhesion-propelling disc are transportable from at least one inlet to at least one outlet. In embodiments, the pump employs a scraping unit operative to scrape off fluid adherent on both sides of each of the at least one rotatable adhesion-propelling disc and that the scraped-off fluid is being channeled directly or indirectly to the at least one outlet. | 07-22-2010 |
20100209270 | CENTRIFUGAL FAN - An impeller comprises an impeller body, a plurality of stems, a blade mounting member, and a plurality of blades. The stems radially extend with one end of each stem fixed to a portion of a circumferential wall of the impeller body in the vicinity of a suction port, and are arranged at intervals in a circumferential direction of the circumferential wall. The stems assist the impeller to suck air in an axial direction through a suction port during rotation of the impeller. The blade mounting member is disposed concentrically with the circumferential wall of the impeller body. The other end of each stem is fixed to the blade mounting member. The blades are arranged at intervals in the circumferential direction and extend along an axial line toward a second wall portion, with one end of each blade fixed to the blade mounting member. A centrifugal fan thus configured is capable of reducing noise and power consumption without reducing static pressure with respect to airflow rate. | 08-19-2010 |
20100226801 | FAN ASSEMBLY - A fan assembly for creating an air current includes a base having an air inlet and an air outlet, the base housing an impeller and a motor for rotating the impeller to create an air flow passing from the air inlet to the air outlet. The fan assembly further includes a vertically oriented, elongate annular nozzle including an interior passage having an air inlet for receiving the air flow from the base and a mouth for emitting the air flow, the nozzle defining an opening through which air from outside the fan assembly is drawn by the air flow emitted from the mouth. | 09-09-2010 |
20100260630 | ENGINE COOLING FAN ASSEMBLY - A fan assembly that includes a fan having a fan hub and motor having a drive shaft and a drive member coupled to the drive shaft for rotation with the drive shaft. The fan hub includes an inner face and an outer face. The drive member contacts the inner face of the fan hub to define a plurality of discrete drive member contact zones between the drive member and the inner face of the fan hub. A clip engages the drive shaft and the outer face of the fan hub to couple the fan to the drive shaft. The clip contacts the outer face of the fan hub to define a plurality of discrete clip contact zones between the clip and the outer face of the fan hub. The plurality of drive member contact zones are generally aligned with the plurality of clip contact zones. | 10-14-2010 |
20100303651 | VACUUM SELF PRIMING PUMP - Provided is a vacuum self priming pump. The pump includes an actuating member that is installed in an outlet by a hinge shaft to be capable of rotating and configured to be quickly opened by water pressure when water is discharged through the outlet, an arm that extends from the actuating member to an external side over the outlet, a clutch unit that is movably formed in a length direction of a rotational shaft of a motor to selectively transfer power to an eccentric wheel to free-rotate the eccentric wheel on the rotational shaft, and a transferring unit that is installed between the arm and the clutch unit to cut off the power from the clutch unit to the eccentric wheel when the arm moves. | 12-02-2010 |
20100303652 | MINIATURE HEAT-DISSIPATING FAN DEVICE - A miniature heat-dissipating fan device is disclosed, which comprises: a frame; a shaft, pivotally connected to the frame; at least a planar coil, each being received in the frame and formed in a wave winding manner; at least a permanent magnet, each being connected to the shaft while being positioned about parallel to the at least one planar coil for enabling the generation of an alternating multipolar magnetic field; a plurality of blades, being disposed at positions corresponding to the at least one permanent magnet while centering around the axis of the shaft in a centrifugal manner; and at least a magnetically permeable back iron, disposed at a side of the at least one planar coil and being structured with a geometrical shape matching to the wave winding planar coil; wherein the plural blades are integrated with the at least one permanent magnet for enabling the same to rotate with the at least one permanent magnet synchronously. In an exemplary embodiment of the invention, the planar coil is structured with at least a hollowed area, each having a Hall-effect sensor embedded therein. With the aforesaid device, not only it can be structured as a thin-type device with improved convection efficiency, but also the magnetic flux density is increased. | 12-02-2010 |
20110110805 | FAN - A fan assembly for creating an air current includes an air inlet, an air outlet, an impeller, a motor for rotating the impeller to create an air flow passing from the air inlet to the air outlet, the air outlet comprising an interior passage for receiving the air flow and a mouth for emitting the air flow, the air outlet defining an opening through which air from outside the fan assembly is drawn by the air flow emitted from the mouth, a control circuit for controlling the motor, a remote control for transmitting control signals to the control circuit, and at least one magnet for attaching the remote control to the air outlet. | 05-12-2011 |
20110176943 | Impeller for a magnetic pump and novel impeller housing design - The invention is a magnetically driven pump with a floating impeller and driven magnet, and the invention includes an impeller surface having geometric figures acting as the pumping bodies. | 07-21-2011 |
20110223048 | Leaf Blower - A blower assembly for a leaf blower has a case, a motor, an impeller driven by the motor, and an axial fan driven by the motor. The axial fan and the impeller are connected to opposite ends of the motor. The case has an air inlet, an air outlet and an air channel communicating the air inlet with the air outlet. The impeller is disposed inside the air channel to move air through the air channel from the air inlet to the air outlet. The axial fan is arranged to generate an axial flow of air towards the motor to cool the motor. | 09-15-2011 |
20110229357 | PUMP ASSEMBLY - The present invention provides a pump assembly having an intake, an outtake, and a rotor rotatably mounted to a shaft. A propeller is fixedly mounted to the upstream portion of the rotor and is rotatable upon actuation of the rotor. A passageway is disposed on the rotor so as to provide a path for fluids to cool the shaft. The pump assembly includes chamber and a pipe. The chamber is disposed within the housing and is located downstream the intake and is in communication with the passageway. The pipe interconnects the chamber with the outtake. An impeller is fixedly mounted to the rotor. opposite the propeller and draws air bubbles from the passageway into the chamber. | 09-22-2011 |
20120087815 | CENTRIFUGAL COMPRESSOR ASSEMBLY AND METHOD - A centrifugal compressor assembly for compressing refrigerant in a 250-ton capacity or larger chiller system comprising a motor, preferably a compact, high energy density motor or permanent magnet motor, for driving a shaft at a range of sustained operating speeds under the control of a variable speed drive. Another embodiment of the centrifugal compressor assembly comprises a mixed flow impeller and a vaneless diffuser sized such that a final stage compressor operates with an optimal specific speed range for targeted combinations of head and capacity, while a non-final stage compressor operates above the optimum specific speed of the final stage compressor. Another embodiment of the centrifugal compressor assembly comprises an integrated inlet flow conditioning assembly to condition flow of refrigerant into an impeller to achieve a target approximately constant angle swirl distribution with minimal guide vane turning. | 04-12-2012 |
20120128515 | Inflatable and Deflatable Air Pump - An inflatable and deflatable air pump is provided. The inflatable and deflatable air pump includes a panel ( | 05-24-2012 |
20120156069 | PHOTOTHERMAL SOURCE OF FLUID PUMPING DEVICE DRIVEN BY SELF PHOTOVOLTAIC POWER - The present invention relates to a photothermal source of fluid pumping device driven by self photovoltaic power, wherein a light projection space defined adjacent to a photothermal source device generating both optical and thermal power is provided with a photovoltaic (PV) device capable of converting the self optical power of the photothermal source device into the electric power, and a fluid pumping device driven by the electric power supplied by the photovoltaic device is provided for pumping a gaseous or liquid fluid, so that a part or all of the photothermal source device itself, a heat radiator installed on the photothermal source device and a thermal space heated by the photothermal source device can perform the operation of thermal energy transmission. | 06-21-2012 |
20120201700 | IMPELLER AND FLUID PUMP - A fluid pump may include an electric motor having an output shaft driven for rotation about an axis and a pump assembly coupled to the output shaft. The pump assembly has a first cap and a second cap with at least one pumping channel defined between the first and second caps, and an impeller between the first and second caps. The impeller is driven for rotation by the output shaft of the motor and includes a plurality of vanes in communication with the at least one pumping channel. Each vane has a root segment and a tip segment and a line from a base of the root segment to an outer edge of the tip segment trails a line extending from the axis of rotation to the base of the root segment by an angle of between 0° and 30° relative to the direction of rotation of the impeller. | 08-09-2012 |
20120207631 | FAN UNIT - The invention relates to a blower ( | 08-16-2012 |
20120219437 | ELECTRIC BLOWER AND ELECTRIC CLEANER USING SAME - The impeller of an electric blower includes a front shroud, a rear shroud, sheet-metal blades, a hub part, and an inducer having a plurality of blade parts. The inducer is configured to be divided into two parts: a first inducer composed of a first hub part and first blade parts; and a second inducer composed of a second hub part and second blade parts. The first inducer is disposed such that outer-peripheral blade-tips of the first blade parts are disposed in the proximity of the front shroud, and that the upper surface of the first hub part is proximally covered by the lower surface of a fastener. | 08-30-2012 |
20120224988 | AXIAL FAN - An axial fan with an electric motor, on the rotor of which a an wheel is mounted, the rotor having a portion with a cylindrically pot-shaped configuration, onto which the wheel is pushed with a completely or partially cylindrical part so as to fit, and the fan wheel lying completely behind the plane predetermined by the bottom surface of the rotor. | 09-06-2012 |
20120288385 | DIFFUSER BUMP VANE PROFILE - An electric submersible pump (ESP) assembly increases pump efficiency and pump head with a diffuser that includes a diffuser vane having a low pressure surface with a length greater than a length of a high pressure surface of the vane. The diffuser vane includes a leading edge at a downstream end of the vane and a trailing edge at an upstream end of the vane. The curved high pressure surface extends between the leading edge and the trailing edge. The curved low pressure surface extends between the leading edge and the trailing edge opposite the high pressure surface. The low pressure surface has a bump formed thereon to increase the length of the low pressure surface so that fluid flowing along the low pressure surface is substantially laminar, thereby increasing pump efficiency and pump head. | 11-15-2012 |
20120308416 | COOLING FAN AND ROTOR THEREOF - A cooling fan includes a fan housing, a stator and a rotor received in the fan housing. The rotor includes a shaft, a hub engaged with the shaft, a plurality of rotary blades extending outwardly from the hub, a connecting member and a magnet mounted in the connecting member. The hub includes a plurality of hooks. The connecting member has a flange clasping the hooks of the hub to mount the magnet in the hub. | 12-06-2012 |
20130115119 | FAN MODULE - The invention relates to a fan module ( | 05-09-2013 |
20130129542 | MOTOR STRUCTURE OF INTAKE MANIFOLD - A motor structure of an intake manifold may include a compressor interlocking with a shaft and mounted on the intake manifold, a first pulley and a belt provided at an end of the shaft, and an electric motor having a motor shaft that may be coupled to a second pulley that may be engaged with the first pulley via the belt, wherein the motor shaft of the electric motor may be selectively coupled to a flywheel that may be additionally provided to pass through the pulley and the belt. | 05-23-2013 |
20130156618 | ELECTRIC PUMP - In an electric pump, a vortex chamber may be formed by a clearance between an outer circumferential surface of an impeller and an inner circumferential surface of a casing. A low rigidity part may be provided to a supporting portion or a shaft, or to both of them. The low rigidity part may be formed such that while the electric pump operates, a center point of the shaft in a top view of the shaft moves along a specific line which is parallel to a tangent line of the outer circumferential surface of the impeller at the specific position and passes through the center point of the shaft while the electric pump does not operate, or moves to one of two areas divided by the specific line. The one of the two areas may he opposite to the other of the two areas that includes the specific position. | 06-20-2013 |
20140044575 | IMPELLER DESIGN FOR FLUID PUMP ASSEMBLY AND METHOD OF MAKING - One embodiment includes an impeller ( | 02-13-2014 |
20140127059 | CENTRIFUGAL COMPRESSOR ASSEMBLY AND METHOD - A centrifugal compressor assembly for compressing refrigerant in a 250-ton capacity or larger chiller system comprising a motor, preferably a compact, high energy density motor or permanent magnet motor, for driving a shaft at a range of sustained operating speeds under the control of a variable speed drive. Another embodiment of the centrifugal compressor assembly comprises a mixed flow impeller and a vaneless diffuser sized such that a final stage compressor operates with an optimal specific speed range for targeted combinations of head and capacity, while a non-final stage compressor operates above the optimum specific speed of the final stage compressor. Another embodiment of the centrifugal compressor assembly comprises an integrated inlet flow conditioning assembly to condition flow of refrigerant into an impeller to achieve a target approximately constant angle swirl distribution with minimal guide vane turning. | 05-08-2014 |
20140241920 | MIXED FLOW FAN ASSEMBLY - Fan assemblies, and in particular fan wheels and stator assemblies for fan assemblies, are disclosed. In one embodiment, the fan wheel includes a wheel back having an outer surface forming one of a curved dome-shape and a truncated cone-shape. The fan wheel may also include a plurality of fan blades radially spaced about and mounted to the outer surface of the wheel back. In one embodiment, each of the fan blades is formed from a segment of an airfoil-shaped aluminum extrusion defining at least one internal cavity. The fan blade first ends can be provided with a compound cut profile with at least one curved cut such that the first end of the blade is mounted flush to the wheel back outer surface. The stator assembly can also be provided with a plurality of stator blades formed from airfoil-shaped aluminum extrusion segments and provided with compound cut profiles. | 08-28-2014 |
20140271284 | Self-Cooled and-or Self Lubricated Electric Motor Bearing Systems - The preferred embodiments of the present invention provide two advantageous features, which are especially beneficial in combination, but which can be advantageously and beneficially employed independently of one another: (1) firstly, a self-cooling motor bearing system; and (2) secondly, a self-lubricating motor bearing system. In the preferred embodiments, one or both of these two advantageous features are integrated inside an electric motor (e.g., within the electric motor's enclosure housing) in such a manner as to greatly enhance bearing operating conditions (e.g., maintaining adequate bearing lubrication and/or bearing operating temperature) without the use of external lubrication units and/or external cooling units. | 09-18-2014 |
20140271285 | LOW ENERGY MAGNETIC SPA CIRCULATION SYSTEM - A powered pipeless circulation system for a container holding a fluid includes first and second motor assemblies. The first motor assembly has multiple coil members. Each coil member is electrically charged for generating a magnetic field. A first housing is configured for accommodating the first motor assembly, and fixedly attached to a dry surface of a wall of the container. A second motor assembly has at least one impeller and an impeller magnet plate. A second housing is configured for rotatably accommodating the second motor assembly and being disposed on a wet surface of the wall opposite the first housing. The impeller magnet plate is aligned to magnetically engage with the coil members. In use, the second motor assembly is magnetically coupled to the first motor assembly having a wall in-between the assemblies for forming a motor configured for rotating the impeller. | 09-18-2014 |
20140271286 | Noise Producing Fan - A noise producing fan with low air movement or variable air movement is provided. The device comprises a conventional mechanical fan that is adapted to provide a soothing and steady volume of ambient noise for a user to block out background noise and sleep comfortably. The mechanical fan includes several embodiments, including different fan blade arrangements, means of interchanging fan blades on the mechanical fan hub, different fan shrouds that allow for access to the fan hub, and finally an imbalanced fan hub that creates an oscillatory motion to increase noise production. The fan blades for low air movement and efficient noise generation are flat or perforated, and secure to the fan hub as it oscillates and rotates within the mechanical fan housing. | 09-18-2014 |
20140334952 | RADIATOR FAN OF A MOTOR VEHICLE - A radiator fan of a motor vehicle, in particular a main fan, contains a fan wheel which has a hub and an electric-motor rotor which is attached thereto in a form-locking manner. At least one connecting dome is formed integrally on the rotor, which connecting dome protrudes through a corresponding cutout of the hub and is deformed on the free end side in a rivet-shaped manner in order to produce the form-locking connection. | 11-13-2014 |
20140348674 | AIR-CONDITIONING APPARATUS AND MOTOR - A body outer shell includes a plurality of first body legs and a plurality of second body legs protruding outward and being disposed at a peripheral edge of an end of the body outer shell, and the end is near the bracket. The bracket includes a plurality of first bracket legs and a plurality of second bracket legs protruding outward and being disposed at a peripheral edge of the bracket. The body outer shell and the bracket are fastened together using the first body legs and the first bracket legs via fixing members. The body outer shell, the bracket, and a support member are fastened together using the second body legs and the second bracket legs via fixing members in a state where the bracket is disposed between the body outer shell and the support member, and the motor and the support member are fixed together. | 11-27-2014 |
20140356199 | PROPULSION UNIT - A propulsion unit is disclosed, which can include a casing, a shaft, a propeller, an annular housing and a rim drive electric motor. The casing can be rotatably supported at a hull of a vessel. The shaft can be rotatably supported with bearings within a lower portion of the casing. A propeller can be attached to an outer end of the shaft protruding from the lower portion of the casing. The annular housing can surround an outer perimeter of the propeller and can form a duct for water flowing through the interior of the annular housing. The rim drive electric motor can include a rotor rim provided on an outer perimeter of the propeller and a stator provided within the annular housing. Oil lubricated roller bearings can be used on the shaft within the casing. The axial length of the propulsion unit can be short. | 12-04-2014 |
20150078937 | Ventilation Device - A ventilation device comprises a fan propeller ( | 03-19-2015 |
20150093271 | BRUSHLESS MOTOR AND FAN USING THE MOTOR - A brushless motor | 04-02-2015 |
20150093272 | ELECTRICALLY DRIVEN AIRCRAFT - An electrically driven aircraft includes at least one drive arrangement which has an aircraft propeller comprising a propeller shaft, a propeller bearing configured to radially and axially support the propeller shaft, a propeller hub which is driven by the propeller shaft, and a plurality of propeller blades attached to the propeller hub. A dynamoelectric rotary machine has a stator and a rotor which interacts with the stator and is coupled directly to the propeller shaft. The propeller bearing and the stator, are accommodated in a support structure which is mechanically coupled to an aircraft structure of the aircraft. | 04-02-2015 |
20150292511 | HIGH VOLTAGE ELECTRIC DEVICE AND ELECTRIC COMPRESSOR - A high voltage electric device attached to a cooling unit includes heating components, an electric circuit board, a case, and an insulating member. The heating components are used at high voltage and are different in size. The heating components are fixed via lead wires respectively to the electric circuit board. The case accommodates the heating components and the electric circuit board. The insulating member seals the heating components and the electric circuit board in the case. An outermost peripheral surface of the insulating member on the cooling unit-side cooled by refrigerant is referred to as a reference surface. Respective shortest distances from the reference surface to the heating components are the same as each other. An electric compressor includes the high voltage electric device, an electric motor that is operated by electric power supplied by the high voltage electric device, and a compression mechanism that is driven by the electric motor and is applied to a refrigeration cycle. The cooling unit is cooled by the refrigerant drawn into the compression mechanism. | 10-15-2015 |
20150292512 | ELECTRIC COOLING FAN - An axial fan has a hub supporting blades. The hub is attached to a rotor of an electric motor at one or more points of connection by respective connecting devices. Each connecting device includes an annular damper, arranged in an opening of the hub, and through which a screw passes. Placed between the damper and the screw is a rigid element having one end resting against the rotor. The other end has an annular flange-like formation disposed between the damper and a head of the screw. The rigid element has an annular skirt which extends from the flange-like formation, around the damper, up to a preset distance from the hub of the fan, such that when the fan performs an oscillation greater than a predetermined extent, it impacts this skirt thereby limiting its oscillation. | 10-15-2015 |
20160003140 | ELECTRIC ROTOR FIT ONTO A TURBOMACHINE SHAFT - By relieving the shaft of an electronically-controlled turbocharger (ECT) in a central region of where a rotor of an electric machine couples with the shaft eases assembly of the electric machine onto the shaft. On either side of the relieved section, the fit between the shaft and the rotor may be a slip fit or an interference fit. Alternatively, the rotor is relieved in a central section. In some embodiments, the shaft is welded to the rotor. In yet other embodiments, the outside of the shaft and the inside of the rotor are threaded with a nut or a pin to secure the shaft to the rotor or the rotor itself has threads to engage with threads on the shaft. Such arrangements ease assembly and allow adjustment of dynamic characteristics of the rotor system. | 01-07-2016 |
20160010492 | POSITION SENSOR PLACEMENT FOR ELECTRICALLY ASSISTED TURBOCHARGER | 01-14-2016 |
20160017891 | Turbomachine - A turbomachine includes a housing and an electric motor in the housing. The electric motor has a shaft, a stator, and a rotor on the shaft. At least one impeller is arranged in a pump housing and driven by the shaft, the impeller having at least one ring of rotor blades delimiting a ring of blade chambers. A side channel is arranged in the pump housing opposite the ring of blade chambers and extends from the pump inlet as far as the pump outlet. A ramp is arranged at an end of the side channel in a radially inner half of the side channel. The ramp starts from a channel bottom, rises in a flow direction as far as the height of the pump housing wall, and merges with its radially outer half into the pump outlet. | 01-21-2016 |
20160025096 | Vacuum Pump - An object is to reduce an adhesion amount of a product in a vacuum pump as a whole and effectively prevent occurrence of a trouble in a vacuum pump electric system due to a magnetic flux leak. A vacuum pump includes a rotor enclosed in a pump case, a rotating shaft fixed to the rotor, a supporting means that rotatably supports the rotating shaft, a driving means that rotates the rotating shaft, and thread-groove-exhaust-portion stators that form thread grove exhaust passages between the thread-groove-exhaust-portion stator and an outer circumferential side of or an inner circumferential side of the rotor. A heating portion is provided below the thread-groove-exhaust-portion stators. The heating portion includes a yoke, a coil, and a heating plate. The heating portion heats the yoke and the heating plate with electromagnetic induction heating by feeding an alternating current to the coil. | 01-28-2016 |
20160040775 | Electric Oil Pump for Automatic Transmission - An electric oil pump for an automatic transmission may include a case in which a first space and a second space partitioned from each other are formed at one side and another side respectively, and a cooling water chamber in which cooling water is circulated and an oil chamber in which automatic transmission fluid (ATF) is circulated are formed on outer circumferences of the first and second spaces, respectively, a motor part including a stator fixed to the case and a rotor installed on a drive shaft, in the first space, a control part configured by a circuit board in the second space to control driving of the motor part, and a pump part configured at a front side of the case to receive power of the drive shaft and pump the automatic transmission fluid (ATF). | 02-11-2016 |
20160069352 | ELECTRICAL MACHINE AND METHODS OF ASSEMBLING THE SAME - A fluid circulating assembly includes a fan impeller having an inlet ring and a rear plate that together define a central fan chamber. The fluid circulating assembly also includes an electrical machine having a rotor assembly, a stator assembly, and a housing. The rotor assembly is attached to the fan impeller rear plate such that the electrical machine is located entirely outside the central fan chamber. The housing includes an annular center section and at least two extension portions extending radially outward from the annular center section. | 03-10-2016 |
20160084255 | Pump Arrangement - A pump arrangement, in particular a magnetic clutch pump arrangement, is provided. The pump arrangement includes a pump housing containing an impeller shaft, a containment shell which seals an enclosed chamber within the inner chamber of the pump housing, an impeller mounted on one end of the impeller shaft, an inner rotor mounted on the other end of the impeller shaft, a drive motor, a drive shaft that can be driven by the drive motor, and an outer rotor which is mounted on the drive shaft and co-operates with the inner rotor. The outer rotor has a hub and a first support element, and a hollow cylindrical portion between the hub and the first support element. | 03-24-2016 |
20160094180 | Electric Motor Drive Control Device, Electrically Driven Power Steering Device, Electrically Driven Brake Device, and Electrically Driven Pump Device - An electric motor drive control device includes: an inverter circuit that converts DC power inputted via a DC bus to multiphase AC power and outputs the multiphase AC power to an electric motor; a current detector that detects a DC current flowing in the DC bus; a PWM generator that generates PWM signals and outputs the PWM signals to the inverter circuit; a current calculator that calculates a current value for each of phases to be flowed to the electric motor based upon a value of the DC current and the PWM signals; and a current controller that generates a command signal based upon the current value, and outputs the command signal to the PWM generator, wherein: if one of the phases of the AC power has become missing, the current calculator determines which phase is one that has become missing and calculates current values for other phases. | 03-31-2016 |
20160097394 | FLUID FLOW APPARATUS, FAN ASSEMBLY AND ASSOCIATED METHOD - A fluid flow system is provided. The system includes a rotation producing device, a first fluid flow device coupled to the rotation producing device and a second fluid flow device coupled to the rotation producing device and spaced from the first fluid flow device. | 04-07-2016 |
20160123330 | DRIVE SYSTEM FOR AN AGRICULTURAL PRODUCT DISTRIBUTION SYSTEM - An agricultural product distribution system includes a fan configured to provide an air flow that fluidizes and transports particulate material throughout the agricultural product distribution system. The fan includes an impeller, an inlet position on a first axial side of the fan, and an outlet position on a peripheral side of the fan. The agricultural product distribution system includes a power transfer shaft having a first end non-rotatably coupled to the impeller, wherein the power transfer shaft extends through the inlet of the fan. | 05-05-2016 |
20160137305 | ELECTRIC PROPULSION ASSEMBLY FOR AN AIRCRAFT - An electric propulsion assembly for an aircraft includes a nacelle having a nacelle cowl which defines an inner space for arranging an electric propulsion unit, which includes a blower, of the aircraft. An electric motor assembly is placed in the inner space and connected to the propulsion unit to supply power to the propulsion unit. An airflow generated by the blower flows in a space between the motor assembly and the nacelle cowl defining a duct to supply thrust to the aircraft. A power electronics system has at least one heat exchanger to transfer thermal energy from the system to a work fluid to cool the system. The heat exchanger is placed to project at least partially into the duct, so that the work fluid consists of the air flow generated by the blower. | 05-19-2016 |
20160144089 | PUMP AND METHOD FOR MIXED FLOW BLOOD PUMPING - A blood pump includes a housing and a rotor within the housing configured to rotate along an axis. The rotor may include a hub, the hub having regions with blades and regions without blades. The regions without blades may have a constant outer diameter and may extend along at least one fourth the length of the hub. The regions with blades may have an increasing outer diameter. Blades may be disposed on a downstream end region of the hub and extend downstream of the hub. Blades may begin approximately halfway along the axial length of a motor stator located about a hub and extend downstream of the motor stator. Blades may have portions that produce axial fluid flow and radial fluid flow with improved flow characteristics. | 05-26-2016 |
20160153459 | A HIGH SPEED SWITCH RELUCTANCE MOTOR ON A TURBOCHARGER | 06-02-2016 |
20160153460 | BLOWER | 06-02-2016 |
20160172914 | ROTOR, MOTOR, PUMP AND CLEANING APPARATUS | 06-16-2016 |
20160201679 | FUEL PUMP | 07-14-2016 |
20160201680 | FUEL PUMP | 07-14-2016 |
20160201681 | ELECTRIC PUMP | 07-14-2016 |
20170234326 | MAGNETIC DRIVE PUMP | 08-17-2017 |
20170234327 | MAGNETIC DRIVE PUMP | 08-17-2017 |