| Entries |
| Document | Title | Date |
|---|
| 20080240947 | IMPLANTABLE CENTRIFUGAL BLOOD PUMP WITH HYBRID MAGNETIC BEARINGS - A pump for pumping sensitive fluids, such as blood, has no mechanical contact between the impeller and any other structure. | 10-02-2008 |
| 20080292478 | Axial Flow Pump with a Spiral-Shaped Vane - An axial flow pump ( | 11-27-2008 |
| 20080310978 | Modular CPAP compressor - A modular compressor assembly comprises a common motor assembly, an impeller, a blower housing and an engagement mechanism. The common motor assembly includes a stator housing containing a stator assembly and having a rotor magnet rotatably disposed therewithin. The impeller is mounted to and rotatable with the rotor magnet. The blower housing is selectable from among a plurality of blower housings each having a different cross-sectional geometry. The engagement mechanism is formed on the stator housing and/or the blower housing and allows interchangeable mounting of different blower housing configurations to the common motor assembly in order to achieve varying flow characteristics of the compressor assembly. | 12-18-2008 |
| 20090010781 | BEARING STRUCTURE FOR COOLING FAN - A cooling fan includes a fan housing ( | 01-08-2009 |
| 20090022607 | ARRANGEMENT FOR DELIVERING FLUIDS - An arrangement for delivering fluids has a fluid pump having a pump wheel ( | 01-22-2009 |
| 20090041600 | BRACKETLESS MAGNETIC PUMP - A fluid pump assembly is used in combination with a container having a wall. The pump assembly comprises a first casing disposed outside the container in contact with the wall, a first magnetic assembly mounted to the first casing and operatively associated with a drive motor, a second casing disposed inside the container in contact with the wall, and a second magnetic assembly mounted to the second casing and operatively associated with an propeller. The first magnetic assembly includes a rotatable magnetic drive member drivingly coupled to the drive motor. The magnetic drive member is magnetically coupled to the magnetic driven member through the wall for imparting a rotary driving force of the drive motor to the propeller. Furthermore, the second casing is detachably connected to the second side of the wall of the container solely by magnetic attraction force between the first and second magnetic assemblies. | 02-12-2009 |
| 20090047155 | Multi-axis type fans driven by magnetic force and power transmission system for the same - The present invention relates to a multi-axis type fans driven by magnetic force and its power transmission system for the same, wherein said power transmission system comprises a power source provided with a spindle, at least two driven shafts in different directions, and a magnetic transmission assembly located between each driven shaft and the power source. The magnetic transmission assembly includes a driving disc provided on the spindle, on the upper side of which are circumferentially equally spaced at least three permanent magnets; a driven disc provided at the end of respective driven shaft corresponding to the spindle, on the outer side of which are equally spaced permanent magnets the number of which is equal to that of permanent magnets on the driving disc and magnetism of which is as the same as those of corresponding permanent magnets on the driving disc, so when the driving disc is rotated by the power source, the permanent magnets thereon are also rotated, and each driven disc is driven to rotate under the mutual repulsion of the same poles of the permanent magnets while each driven shaft is driven to rotate to realize the object of power transmission of multi-axis. Due to no any contact between the permanent magnets, there is no any abrasion which causes the abrasion of the power transmission system to lower the cost of production. | 02-19-2009 |
| 20090074596 | Small ozone gas-water mixing pump - The present invention provides a small ozone gas-water mixing pump. The rotation of the leaves drives water to produce intense turbulence vortex, and the bubbles in the water are torn up producing more and smaller bubbles, so that the gas-water contacting area is enlarged, and the ozone is efficiently dissolved into water. The magnetic force between the permanent magnet A on impeller and the permanent magnet B on motor enables the motor driving the impeller without using shaft, so as to avoid sealing problems of the pump driving shaft. The present invention is simple in structure, low cost, safe, stable, and has high ozone dissolving efficiency, so that it is especially applicable to the household appliances, such as dish washers and washing machines, etc. | 03-19-2009 |
| 20090081059 | Pump - A pump includes an impeller for sucking and discharging liquid, a pump case having a suction port and a discharge port through which the liquid is sucked and discharged, and a partition cooperating with the pump case to form a pump chamber in which the impeller is rotatably received. The pump is further includes a rotor having a magnet for rotatingly driving the impeller and a stator having claw-shaped magnetic poles for applying a rotational driving force to the rotor, the rotor and the stator constituting a claw pole type motor that serves as a driving power source of the pump. At least the stator is entirely coated with a molded resin. | 03-26-2009 |
| 20090097996 | Magnetic drive pump - A magnetic drive pump includes a pump chamber, a partition wall separating the pump chamber from an exterior portion, an impeller disposed in the pump chamber and rotating around a rotation axis, an inductor unitarily rotating with the impeller around the rotation axis, a magnet unit disposed at a position of the exterior portion separated by the partition wall where the magnet unit faces the inductor in a radial direction of the rotation axis, the magnet unit being rotatable around the rotation axis, and a rotation driving means driving the magnet unit to rotate, wherein a displacement mechanism is provided for changing a radial distance between the magnet unit and the inductor. | 04-16-2009 |
| 20090104057 | PUMP HAVING MAGNETIC COUPLING MECHANISM - A pump having a magnetic coupling mechanism for driving a drive member of the pump includes a reduction mechanism provided between the drive member of the pump and the magnetic coupling mechanism driven by an external driving source, and in an enclosed housing there are arranged the driving member of the pump, the reduction mechanism and an inner magnet, which constitutes the magnetic coupling mechanism. Due to the reduction mechanism, the pump using a magnetic coupling having a relatively small torque transfer capacity is able to generate a required large torque. | 04-23-2009 |
| 20090317271 | Centrifugal Pump - The invention is directed to a multi-disk centrifugal pump suitable for pumping fluids, including biocompatible fluids, such as blood. The design of the pump components is optimized to reduce or eliminate the probability of clotting and hemolysis when pumping blood, and to be energy efficient and resistant to physical shock for portable applications. | 12-24-2009 |
| 20100028176 | ROTARY PUMP WITH COAXIAL MAGNETIC COUPLING - The invention relates to a magnetic coupling pump, with the motor-driven part of the magnetic coupling lying radially inward and the radially outward part of the coupling, together with the pump rotor, having a floating fit in the pumped fluid such that the rotating part of the floating bearing is also radially arranged over the outer magnets. The wall of the pump housing can itself be embodied as the stationary part of the floating bearing with the possibility of direct external access (lubrication, sensor mechanism) and an effective convectional cooling. Dry running on operational faults can be avoided by means of the floating bearing arranged far to the outside, as the damaging gas fraction collects in the radial interior of the pump and remaining traces of liquid are continuously driven outwards and thus contribute to bearing lubrication. By means of an additional annular barrier, the loss of residual fluid can be prevented. The disclosed novel floating bearing permits a large volume separating case which itself permits components of the roller bearings of the motor-driven magnetic coupling section so much installation space that the axial installation length of the complete pump can be significantly shortened. | 02-04-2010 |
| 20100040491 | DISPOSABLE CENTRIFUGAL BLOOD PUMP WITH MAGNETIC COUPLING - A disposable centrifugal blood pump with magnetic coupling provides a centrifugal blood pump with magnetic coupling which is simple in structure of disposable parts with low cost. Therefore, a housing as the disposable part includes a rotor having pole faces extending on the outer-peripheral surface and projecting inward from the inner-peripheral surface and an impeller attached to the rotor, and a stator as a reusable part includes three or more electromagnets for electromagnetic coupling for forming a magnetic coupling between the stator and the rotor, a torque transmission disk formed by sandwiching a ring-shaped permanent magnet between two upper and lower ring members and having pole faces corresponding to the pole faces projecting from the inner-peripheral surface of the rotor formed to project for generating a magnetic coupling between stator and rotor, a motor for rotating the torque transmission disk, and a displacement gauge for measuring displacement of the rotor. | 02-18-2010 |
| 20100061869 | CRYOGENIC FLUID CIRCULATION PUMP - Disclosed is a cryogenic fluid circulation pump that is capable of preventing heat from permeating into a cryogenic fluid by convection during the circulation of the cryogenic fluid by the pump and, at the same time, minimizing the transfer of heat to the cryogenic fluid circulating through a shaft rotating to rotate the pump. The cryogenic fluid circulation pump includes a magnet pump unit mounted in a vacuum chamber having an introduction channel and a discharge channel formed therein to prevent heat from permeating into the cryogenic fluid by convection for rotating by a magnetic force to circulate the cryogenic fluid, when a rotary force from a power source is transmitted to the magnet pump unit. | 03-11-2010 |
| 20100074777 | ARRANGEMENT FOR DELIVERING FLUIDS - An arrangement for dissipating heat from components producing high heat flux densities, such as computers, features a combination fan and fluid pump with a magnetic coupling ( | 03-25-2010 |
| 20100221130 | BLOOD PUMP APPARATUS - A blood pump apparatus comprises a housing, a centrifugal pump section including an impeller and rotating inside the housing to feed a fluid by a centrifugal force, an impeller rotational torque generation section for attracting thereto said impeller and rotating said impeller; and a plurality of grooves for hydrodynamic bearing provided on an inner surface of said housing at a side of said impeller rotational torque generation section, each of the grooves for hydrodynamic bearing having a first side and a second side both extending from a periphery of said portion in which a groove for hydrodynamic bearing is formed toward a central side thereof and opposed to each other, a third side connecting one end of said first side and one end of said second side to each other, and a fourth side connecting said other end of said first side and said other end of said second side to each other; said first side and said second side are formed as a circular arc respectively in such a way that centers of said circular arcs are different from each other. | 09-02-2010 |
| 20100322797 | BRACKETLESS MAGNETIC PUMP - A fluid pump kit is provided. The kit includes a magnetic driven member for coupling with and rotating a propeller, and a magnetic driver for magnetically coupling to and driving the magnetic driven member by a magnetic attraction force establishable between the magnetic driver and the magnetic driven member. A motor of the kit operates the magnetic driver. First and second casings are provided for housing the magnetic driver and the magnetic driven member, respectively. The first and second casings with housed magnetic driver and magnetic driven member, respectively, are detachably securable to opposite sides of a non-magnetic spacer solely by the magnetic attraction force establishable between the magnetic driver and the magnetic driven member sufficient to support the second casing and the housed magnetic driven member in a particular position without the use of mechanical aids. | 12-23-2010 |
| 20110008194 | Electric Heating and Temperature Control for Process Pumps - Electrically heated pumps are disclosed that include electric heating elements that are linked to a process controller. The disclosed pump designs can be applied to packed seal, lip seal, mechanical seal and magnetic drive pumps. For packed, lip and mechanical seal pumps, the external jacketing on the pump, including the head, casing, pressure relief valve and bracket, can be replaced with electric heating elements, such as flexible or custom form membranes, attached to the pump through the use of adhesive or mechanical fastening devices. For the magnetic drive pump, the external jacketing on the pump head, pressure relief valve and casing can be replaced with electric heating elements attached to the pump through the use of adhesive or mechanical fastening devices. For the bracket portion of the magnetic drive pump, the external jacketing can be removed and the heating element is attached to the canister that contains the liquid and that is located between the inner and outer magnetic drive assemblies. Through the use of appropriately placed thermocouples in the head, pressure relief valve, casing, bracket, canister, etc., and a single or multi-channel on/off, proportional or PID controller, the heating zones may be linked together, monitored and controlled to the application requirements. The disclosed pump designs may also be applied to auxiliary equipment such as strainers. | 01-13-2011 |
| 20110014072 | NON-INTRUSIVE VAPOR DETECTOR FOR MAGNETIC DRIVE PUMP - A magnetic drive pump includes a magnetic coupling comprising an outer magnet rotor and an inner magnet rotor. The outer magnet rotor is driven by a separate motor. The outer magnet rotor is positioned radially outward of a sealing wall. The inner magnet rotor is positioned radially within the sealing wall, such that rotation of the inner magnet rotor causes the pump rotor to in turn rotate. The pump rotor drives a centrifugal pump impeller to move a liquid. A bubble detector is positioned outward of the wall such that it is in a dry side of the pump. The bubble detector sends a signal into a wet side of the pump to identify the existence of a gas within a pump fluid. | 01-20-2011 |
| 20110129373 | BLOOD PUMP APPARATUS - A blood pump apparatus includes a housing having a blood inlet port and blood outlet port, a pump unit including an impeller that rotates within the housing, and an impeller rotational torque generation section. The housing includes a plurality of magnetic members embedded between the impeller and the impeller rotational torque generation section for transmitting a magnetically attractive force generated by the impeller rotational torque generation section to an impeller body. The pump device includes a non-contact bearing mechanism for rotating the impeller without contacting with the inner surface of the housing when the impeller is rotated by the impeller rotational torque generation section. | 06-02-2011 |
| 20110211982 | LIQUID PUMP ASSEMBLY - A fluid pump assembly is provided. The pump has a pair of units magnetically coupled to each other. The first unit contains a drive motor and a magnetic assembly. The second unit contains a magnetic assembly and a blade of a propeller/impeller for imparting movement to a fluid. As the first unit is activated by the drive motor, a magnetic flux is created which in turn rotates the magnetic assembly in the second unit, driving the blade. | 09-01-2011 |
| 20110223047 | Impeller for a Magnetic Pump and Novel Impeller Housing Design - The invention is the combination of a magnetically driven pump, with a motor and a basin, where the motor and pump mount on opposite sides of a mounting plate through an opening in the sidewall of the basin. Mounting plate properly aligns the driven magnet in the pump with the driving magnet on the motor. | 09-15-2011 |
| 20110250083 | LINEAR COMPRESSOR - The present invention discloses a compressor including a hermetic container into/from which refrigerant is sucked and discharged, a compression unit provided in the hermetic container and compressing the refrigerant, a motor unit provided in the hermetic container to be connected to the compression unit and driving the compression unit, and one or more irregular reflection portions provided on an outer circumferential surface of the motor unit. The irregular reflection portion repeatedly reflects and dissipates noise and vibration in the compressor to improve the noise reduction effect. In addition, the irregular reflection portion increases the surface area of the motor unit to improve the radiation effect, which results in high efficiency of the entire compressor. | 10-13-2011 |
| 20110293450 | PUMP MAGNET HOUSING WITH INTEGRATED SENSOR ELEMENT - An exemplary magnetically-driven fluid pump includes a magnet housing (“cup”) that enables one or more sensors to be in indirect (“non-wetted”) contact with the pumped fluid while avoiding the static seals normally required with sensors that are mounted to a fluid conduit or chamber and extend into the fluid pathway. Sensors may be used for monitoring the fluid or for feedback control of the pump. By coupling sensors directly to electronic circuits that control the pump, the number of wires located outside the motor housing is minimized, making the assembly more rugged. This is particularly advantageous in hazardous environments or submerged applications. Pumps and hydraulic systems disclosed exhibit fewer leaks under more aggressive pumping conditions and while providing improved pump performance, compared to conventional pumps and systems. | 12-01-2011 |
| 20110318203 | CENTRIFUGAL PUMP APPARATUS - In this centrifugal blood pump apparatus, one permanent magnet is provided in one surface of an impeller, a second permanent magnet is provided in an inner wall of a blood chamber, a third permanent magnet is provided in the other surface of the impeller, and a fourth permanent magnet and a rotor for driving the impeller to rotate are provided, with an diaphragm being interposed. An amount of change in attractive force between the first permanent magnet and the second permanent magnet and an amount of change in attractive force between the third and fourth permanent magnets when the impeller is eccentric are made substantially equal to each other. Therefore, a levitation position of the impeller can always be maintained at a substantially central position in a housing. | 12-29-2011 |
| 20110318204 | TURBO BLOOD PUMP - An impeller | 12-29-2011 |
| 20120093668 | RIM DRIVEN THRUSTER HAVING PROPELLER DRIVE MODULES - A rim driven thruster comprises an annular housing, a propulsor assembly, a magnetic rotor assembly and a stator assembly. The annular housing defines a flow path extending along an axis. The propulsor assembly is supported within the housing and comprises propeller blades extending radially from the axis of the flow path. The propeller blades are configured to rotate about the axis. The magnetic rotor assembly is mounted to radially outer ends of the propeller blades. The stator assembly comprises spaced propeller drive modules mounted to an inner circumferential surface of the annular housing. The propeller drive modules are configured to provide electromagnetic torque to the magnetic rotor assembly. | 04-19-2012 |
| 20120107156 | BLOWER FAN - A blower fan includes a shaft including an outer circumferential surface, a rotor magnet arranged to rotate about a rotation axis together with the shaft, a stator arranged radially outwards of the rotor magnet in an opposing relationship with the rotor magnet, a substantially cylindrical holder unit arranged to rotatably support the shaft through a bearing, and an impeller arranged to rotate together with the shaft. The bearing includes a pair of axially spaced-apart bearing units. The rotor magnet and the stator are arranged between the bearing units. The bearing units and the stator are held on an inner circumferential surface of the holder unit. | 05-03-2012 |
| 20120128514 | PUMPS AND PUMP-HEADS WITH SEPARATELY REMOVABLE FIELD-SERVICEABLE PORTION - An exemplary pump-head includes a pump housing having first and second housing portions forming a pump-cavity and a magnet-cavity. The pump-cavity contains a movable pumping element, and the magnet-cavity contains a driven magnet coupled to the movable pumping element. The magnet is driven by a moving external magnetic field, which correspondingly moves the pumping element in the pump-cavity in a pumping manner. The second housing portion has inlet and outlet ports and defines at least respective portions of the magnet-cavity and pump-cavity. The first housing portion is detachable from the second housing portion to allow the pumping element to be accessed and carried away with the first housing portion, without disturbing the second housing portion. | 05-24-2012 |
| 20120207630 | DISPOSABLE CENTRIFUGAL BLOOD PUMP WITH MAGNETIC COUPLING - A disposable centrifugal blood pump with magnetic coupling provides a centrifugal blood pump with magnetic coupling which is simple in structure of disposable parts with low cost. Therefore, a housing as the disposable part includes a rotor having pole faces extending on the outer-peripheral surface and projecting inward from the inner-peripheral surface and an impeller attached to the rotor, and a stator as a reusable part includes three or more electromagnets for electromagnetic coupling for forming a magnetic coupling between the stator and the rotor, a torque transmission disk formed by sandwiching a ring-shaped permanent magnet between two upper and lower ring members and having pole faces corresponding to the pole faces projecting from the inner-peripheral surface of the rotor formed to project for generating a magnetic coupling between stator and rotor, a motor for rotating the torque transmission disk, and a displacement gauge for measuring displacement of the rotor. | 08-16-2012 |
| 20120224987 | PRECISION FLUID TRANSPORT AND METERING SYSTEM WITH MODULAR AND DISPOSABLE ELEMENTS - An integrated fluid management system is provided with capability to deliver precise flow rate and fluid dosing capability over a wide range of operator set parameters. A magnetically coupled pump head is low cost, affords simple installation, and is disposable. Multiple pump heads may be docked to a single drive module or control module to provide concurrent metering of multiple fluids and to maintain precise volume ratio of the multiple fluids to one another. The magnetic pump head may be integrated with radio frequency Identification devices (RFID) and Hall Effect Sensors to provide customized control and fail safe operation. | 09-06-2012 |
| 20120251360 | BRACKETLESS MAGNETIC PUMP - A fluid pump kit is provided. The kit includes a magnetic driven member for coupling with and rotating a propeller, and a magnetic driver for magnetically coupling to and driving the magnetic driven member by a magnetic attraction force establishable between the magnetic driver and the magnetic driven member. A motor of the kit operates the magnetic driver. First and second casings are provided for housing the magnetic driver and the magnetic driven member, respectively. The first and second casings with housed magnetic driver and magnetic driven member, respectively, are detachably securable to opposite sides of a non-magnetic spacer solely by the magnetic attraction force establishable between the magnetic driver and the magnetic driven member sufficient to support the second casing and the housed magnetic driven member in a particular position without the use of mechanical aids. | 10-04-2012 |
| 20120269665 | BLOWER FAN - A motor arranged to rotate an impeller includes a rotor magnet fixed to a shaft, and a stator arranged opposite to the rotor magnet. The motor is arranged on an axially lower side of an impeller cup. The stator is fixed to an inner circumferential surface of a stator support portion. An opening-side end portion of the impeller cup is arranged opposite to an upper surface of the stator support portion. The upper surface of the stator support portion includes an expanded portion defined in a portion thereof which is opposed to the opening-side end portion of the impeller cup. The expanded portion is preferably located a greater distance from the opening-side end portion of the impeller cup than a distance between the opening-side end portion and a remaining portion of the upper surface of the stator support portion. | 10-25-2012 |
| 20120328460 | TWO-STAGE ROTODYNAMIC BLOOD PUMP - A pump includes a housing, a stator supported in the housing, and a rotor assembly including a rotor supported in the housing for rotation relative to the stator about an axis. The stator includes a stator core, a first lamination wound around an axial portion of the stator core, and a second lamination wound around a second axial portion of the stator core. The first and second laminations are spaced from each other along the length of the stator core. The rotor includes a rotor core, a first magnet assembly that extends around an axial portion of the rotor core, and a second magnet assembly that extends around a second axial portion of the rotor core. The first and second magnet assemblies are spaced from each other along the length of the rotor. | 12-27-2012 |
| 20130022481 | MAGNETIC ROTOR AND ROTARY PUMP HAVING A MAGNETIC ROTOR - The invention relates to a magnetic rotor ( | 01-24-2013 |
| 20130058812 | FLUID PUMP - Provided is a fluid pump including: a motor unit that comprises a stator, a rotor, and a rotational shaft on which the rotor is fixed, to thus generate a rotating torque; a pump unit that is placed separately from the motor unit on one side of the motor unit, and that comprises an impeller for pumping fluid: a first power transmission unit that is fixed to the rotor and is rotated with the rotor, and that comprises a first magnet; and a second power transmission unit that is fixed to the impeller and that comprises a second magnet that is disposed facing the first magnet and has opposite polarities to those of the first magnet. Accordingly, fluid can he fundamentally prevented from being introduced into the inside of the motor unit | 03-07-2013 |
| 20130058813 | WATERPROOF FLUID PUMP - Provided is a waterproof fluid pump including: a motor that is accommodated in a first case and comprises a stator and a rotor, to thus generate a rotating torque; an impeller that is accommodated in a pump housing that is mounted in the first case and that receives the rotating torque of the motor to thus pump fluid; a support shaft to which the rotor and the impeller are rotatably supported and that is fixed to the first case; a first magnet that is fixed to the rotor and is rotated with the rotor; and a second magnet that is fixed to the impeller and is disposed facing the first magnet and that has opposite polarity to that of the first magnet. Thus, fluid may be fundamentally prevented from being introduced into the inside of the motor. | 03-07-2013 |
| 20130094981 | PASSIVE DRIVE MOTORS AND PASSIVE FANS FOR USE THEREWITH - A passive drive motor is disclosed. A stator assembly is connected to a base. A rotating shaft is rotatably connected to the base. A rotor assembly is connected to the rotating shaft. The rotor assembly interacts with the stator assembly to rotate the rotating shaft. A first metal disk is rotated by the rotating shaft. At least one first magnet pair is disposed on the first metal disk. A second metal disk opposes the first magnet pair. When the rotating shaft rotates to drive the first metal disk to rotate, the first magnet pair disposed on the first metal disk magnetically interacts with the second metal disk, driving the second metal disk to rotate with respect to the first metal disk. | 04-18-2013 |
| 20130115118 | PERMANENT MAGNET CANNED MOTOR PUMP WITH CORROSION-PROTECTION HOUSING - A permanent magnet canned motor pump features in its corrosion-protection housing which comprises a reinforced bracket, motor casing and a motor rear casing. The reinforced bracket is made of corrosion-resistance plastic and the motor casing and the motor rear casing are made of aluminum alloy. Accordingly, the corrosion-protection housing is capable of preventing the corrosion of the chemical liquid to the aluminum alloy components. Beside, the permanent magnet canned motor pump provides a heat dissipation mechanism while meets the structural need of the corrosion-protection housing, so that the motor can dissipate heat in a sufficient rate. | 05-09-2013 |
| 20130129541 | Magnetically Coupled Pump Assembly - Embodiments of the invention provide a pump assembly including a pump chamber with an inlet and an outlet. The pump assembly also includes a first cup at least partially enclosing the pump chamber and including a protrusion with a central recess, and a shaft positioned within the central recess. The pump assembly further includes a substantially hemispherical rotor unit with at least one ferrous metal element molded in plastic, and an impeller coupled to the rotor unit. The rotor unit and the impeller are positioned inside the first cup and rotatable around the shaft. | 05-23-2013 |
| 20130142681 | EFFICIENT ELECTRIC FAN WITH FOCUSED AIR FLOW - An efficient, high-volume fan producing a focused air flow comprises an electric motor having a central, segmented stator and a rotor with a set of permanent magnets and a back iron. The magnets are preferably rare-earth magnets such as neodymium magnets. The fan further features a plurality of lightweight blades, each blade comprising an airfoil cross section comprising a foam core that may be covered with a high tensile-strength skin or plastic coating. In the preferred embodiments, the high tensile-strength skin is an aluminum skin, and edges of the blades have edges are joined with a folded hem. The blades may have a windward tilt, and may be constructed so as to intentionally detach upon impact. The segmented stator, blade shape, and other aspects may be varied for different applications. | 06-06-2013 |
| 20130164160 | MAGNETIC PUMP - Disclosed is a magnetic pump such that it is possible to wirelessly monitor and control the operating state of a pump from a location separated from the pump. Specifically disclosed is a magnetic pump provided with a pump main body equipped with a pump case having an inlet and an outlet, and an impeller stored within the pump case in a rotatable manner and linked to a magnetic means, a rotating magnetic field generating means separated from the pump main body and for imparting a rotating magnetic field to the magnetic means; and a means for detecting the potential difference between the rotating magnetic field and the magnetic field produced by the magnetic means and imparted outward. | 06-27-2013 |
| 20130164161 | ROTARY PUMP - Disclosed is a rotary pump including a magnetic rotor arranged in a pump housing and having a magnetic rotor plane, which rotor is operatively connected to a drive for conveying a fluid. The drive is a bearingless motor having a stator configured as a bearing stator and drive stator and having a magnetic stator plane, wherein the stator bears a drive coil and a bearing coil lying in the stator plane and/or a drive bearing coil. The rotor is magnetically contactlessly journalled within the stator, wherein an axial height (H) of the rotor is smaller than or equal to half a diameter (D) of the rotor so that the rotor is passively magnetically stabilized by reluctance forces with respect to the magnetic stator plane both against axial displacement and against a tilt from an equilibrium position. | 06-27-2013 |
| 20130171011 | Rotodynamic Pump With Permanent Magnet Coupling Inside The Impeller - Rotodynamic pumps having an inner drive permanent magnet coupling disposed inside an impeller are disclosed. The impeller has a casing having a pumping region generally in a pumping plane that is perpendicular to the rotational axis of the impeller and aligned with a permanent magnet coupling that includes outer magnets that are connected to the impeller and at least partially aligned with the pumping region of the impeller, and inner magnets that are connected to an inner magnet ring and are axially aligned with the outer magnets. A canister is sealed to the casing and separates the outer magnets from the inner magnets. | 07-04-2013 |
| 20130171012 | Rotodynamic Pump With Electro-Magnet Coupling Inside The Impeller - Rotodynamic pumps having an inner drive electro-magnet coupling disposed inside an impeller are disclosed. The impeller has a casing having a pumping region generally in a pumping plane that is perpendicular to the rotational axis of the impeller and aligned with an electro-magnet coupling that includes outer magnets that are connected to the impeller and at least partially aligned with the pumping region of the impeller, and a stationary component having multiple electro-magnets that are disposed inside of and are in axial alignment with the outer magnets. A canister is sealed to the casing and separates the outer magnets from the multiple electro-magnets. | 07-04-2013 |
| 20130177459 | Pump - A pump system | 07-11-2013 |
| 20130183176 | Rotary Blood Pump - The present invention provides a rotary blood pump with both an attractive magnetic axial bearing and a hydrodynamic bearing. In one embodiment according to the present invention, a rotary pump includes an impeller assembly supported within a pump housing assembly by a magnetic axial bearing and a hydrodynamic bearing. The magnetic axial bearing includes at least two magnets oriented to attract each other. One magnet is positioned in the spindle of the pump housing while the other is disposed within the rotor assembly, proximate to the spindle. In this respect, the two magnets create an attractive axial force that at least partially maintains the relative axial position of the rotor assembly. The hydrodynamic bearing is formed between sloping surfaces that form tight clearances below the rotor assembly. | 07-18-2013 |
| 20130209292 | AXIAL FLOW BLOOD PUMP WITH HOLLOW ROTOR - An axial flow blood pump includes a housing and a hollow rotor in the housing. The housing has an entrance end, an exit end, and a pump axis. The rotor has at least one spiral conveying rotor blade arranged on an inner surface of the rotor. The spiral conveying rotor blade extends toward a center of the rotor while leaving the center of the rotor open to define a central axial passage for a blood flow. The spiral conveying rotor blade has a pitch and a height that vary along the pump axis. | 08-15-2013 |
| 20130216410 | BLOWER ASSEMBLY WITH MOTOR INTEGRATED INTO THE IMPELLER FAN AND BLOWER HOUSING CONSTRUCTIONS - A blower comprises a blower housing, a fan, a motor and a support member. The blower housing has an air outlet opening. The fan is within the blower housing, the fan is adapted for rotation about a fan axis. The motor has a stator and a rotor. The rotor is rotatably coupled to the stator for rotation about the fan axis. The rotor and fan are coupled such that the fan rotates with the rotor. The support member is connected between the stator of the motor and the blower housing and extends generally radially from the fan axis. The support member supports both the motor and the fan. | 08-22-2013 |
| 20130236339 | FAN MOTOR - A fan motor includes a base member including a bottom plate portion, a bearing support portion, and a screw receiving portion. The bottom plate portion extends in directions perpendicular or substantially perpendicular to a central axis below a circuit board. The bearing support portion extends upward from the bottom plate portion and has a cylindrical or substantially cylindrical shape. The screw receiving portion is arranged to project upward from the bottom plate portion on a radially outer side of the bearing support portion. At least a portion of the screw receiving portion is arranged in a hole portion defined in the circuit board. | 09-12-2013 |
| 20130236340 | MOTOR, DISK DRIVE APPARATUS, AND FAN - There is provided a motor including, a rotating portion and a stationary portion. The mounting plate includes a substantially cylindrical fixing cylindrical portion; an annular upper plate portion; an annular circumferential portion; and a mounting portion. A lower end of the fixing cylindrical portion is arranged at a level lower than that of a lower end of a bushing press-fit area. At least one of a lower end of a sleeve fixing area in which an outer circumferential surface of the sleeve and an inner circumferential surface of the bushing cylindrical portion are in contact with each other and a lower end of a radial gap which supports the shaft is arranged at a level higher than that of an upper end of the bushing press-fit area. | 09-12-2013 |
| 20130236341 | PUMP HAVING A PRESSURE COMPENSATED ANNULAR VOLUME - A pump and pump section, where the pump section has a centre line and where the pump section comprises at least one pump step, | 09-12-2013 |
| 20130251564 | COMPRESSOR AND VACUUM MACHINE - A compressor includes: a cylinder; a crankcase; a piston arranged within the cylinder and the crankcase; and an outer rotor type motor causing the piston to reciprocate, wherein the outer rotor type motor comprises: a stator; a coil wound around the stator; a rotational shaft; a yoke connected with the rotational shaft; and a permanent magnet secured to the yoke, and the yoke is formed with an air hole. | 09-26-2013 |
| 20130266462 | Pump Having an Integrated Electronically Commutated Direct Current Motor - A pump with an integral, electronically commutated, direct-current motor ( | 10-10-2013 |
| 20130272908 | Electromagnetic Pump - An electromagnetic pump includes a coil, a cylinder and piston assembly, a biasing mechanism biasing the piston towards a first position, a seal and a valve. The piston, having a cavity inside and an aperture in a first end, can move linearly between a first position and a second position within the cylinder. The piston is also positioned within a magnetic field the coil generates when it conducts a current, and the magnetic field can force the piston to move towards the second position. The valve includes a single cap that can move between a first position and a second position. When in its second position, the single cap allows fluid to pass through the aperture; and when in its first position, it is arranged to fluidly seal the aperture to prevent the flow of fluid from an outlet conduit to an interface between the piston and the cylinder. | 10-17-2013 |
| 20130315759 | ELECTRIC MOTOR AND FUEL PUMP USING THE SAME - An electric motor has multiple core portions, multiple bobbins covering the respective core portions, and multiple coil windings wound on the respective core portions and bobbins. Each of the bobbins has a first and a second circumferential forward ends, at which a first and a second holding portions are formed. The first holding portion holds a winding-start portion and the second holding portion holds a winding-end portion. The winding-start portion is prevented from being brought into contact with the winding-end portion and main winding portion of the coil winding between the winding-start portion and the winding-end portion. | 11-28-2013 |
| 20130315760 | ELECTRIC PUMP - An electric pump may comprise a rotating body comprising a rotor and an impeller disposed juxtaposed to the rotor in a rotary shaft direction of the rotor, a stator disposed on an outer circumferential side of the rotor, a easing comprising a fluid passage formed along an outer circumference of the impeller, and configured to store the rotating body and the stator and a loading unit configured to constantly apply force on the rotating body during when the electric pump is operating, wherein the force being for reducing displacement of the rotating body caused by a pressure difference in the fluid passage generated when the electric pump is operating between a low pressure side where a pressure of fluid is low and a high pressure side where the pressure of the fluid is high within the fluid passage. | 11-28-2013 |
| 20130330219 | MAGNETICALLY SUSPENDED PUMP - An axial now blood pump includes a pump housing and first and second stator permanent magnets fixed to the pump housing. A rotor assembly is disposed within the pump housing and includes first and second rotor permanent magnets. The first fixed permanent magnet may be axially offset from the first rotor permanent magnet and the second fixed permanent magnet may be axially offset from the second rotor permanent magnet. The permanent magnets act as passive radial bearings with maintain the rotor coaxial with the housing, and also exert axial forces on the first and second rotor permanent magnets to urge the rotor towards an equilibrium axial position relative to the housing. The rotor may be suspended and positioned within the housing solely by operation of the permanent magnets. | 12-12-2013 |
| 20140003979 | TURBOCHARGER EMBEDDING AN ELECTRICAL MACHINE WITH PERMANENT MAGNETS | 01-02-2014 |
| 20140003980 | TURBOCHARGER EMBEDDING AN ELECTRICAL MACHINE WITH A DC COIL | 01-02-2014 |
| 20140010686 | MOTOR ASSEMBLY FOR CATHETER PUMP - A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump. | 01-09-2014 |
| 20140023534 | ELECTRIC CENTRIFUGAL COMPRESSOR FOR VEHICLES - An electric centrifugal compressor for a heat ventilation air conditioning system for vehicles comprises a motor portion ( | 01-23-2014 |
| 20140023535 | DRIVE UNIT OF MAGNETIC COUPLING PUMP AND MAGNETIC COUPLING PUMP UNIT - A drive unit of a magnet coupling pump, in which leakage of the magnetic flux to the outside and effect of the external magnetic field are suppressed, is provided. It includes: a driving magnet ( | 01-23-2014 |
| 20140030123 | ELECTRIC MACHINE FOR A HYBRID OR ELECTRIC VEHICLE - An electric machine ( | 01-30-2014 |
| 20140050605 | SEALING STRUCTURE, VACUUM PUMP MOTOR INCLUDING SAME SEALING STRUCTURE, AND VACUUM PUMP - To provide a sealing structure for a vacuum pump motor which maintains the sealing properties of the vacuum pump motor in an ensured fashion, there is provided a sealing structure for a vacuum pump motor | 02-20-2014 |
| 20140050606 | ELECTRICALLY DRIVEN DUAL PUMP - In an electrically driven dual pump, a cylindrical outer rotor is rotatably disposed with respect to the inner circumferential surface side of the housing and has a plurality of permanent magnets on an outer circumferential surface of the outer rotor to constitute a motor section in cooperation with coils of a housing, a partitioning plate is disposed to partition an inner circumferential side of the outer rotor into a first pump chamber and a second pump chamber, and each of first and second inner rotors is rotatably disposed within the first and second pump chambers with a rotation center of each of the first and second inner rotors eccentric to the center of the outer rotor and constitutes a space against the outer rotor which is communicated with a corresponding one of the suction ports and the corresponding one of the discharge ports. | 02-20-2014 |
| 20140086764 | SUBSEA PRESSURE BOOSTER - Subsea turbomachine for boosting the pressure of petroleum fluid flow from subsea petroleum productions wells or systems, comprising an electric motor and a compressor or pump driven by the electric motor, a fluid inlet and a fluid outlet, distinctive that the turbomachine comprises a pressure housing common for the electric motor or stator, and compressor, pump or rotor; a magnetic gear inside the common pressure housing for operative connection between the motor or stator and compressor, pump or rotor; and a partition inside the common pressure housing, arranged so as to separate a motor or stator compartment from a compressor, pump or rotor compartment. | 03-27-2014 |
| 20140134020 | ELECTRIC BLOWER - Disclosed herein is an electric blower including: an impeller; and a driving module including a rotor part coupled to the impeller in order to drive the impeller and a stator part, the rotor part including a magnet, the stator part including an armature configured of a core and a coil that are positioned to face the magnet, and the rotor part and the stator part including an air bearing part formed therebetween, wherein the driving module is received in the impeller. | 05-15-2014 |
| 20140147309 | ROTOR | 05-29-2014 |
| 20140161651 | COMPACT INTEGRATED-DRIVE PUMPS - Pump assemblies are disclosed that have a magnetically driven pump-head subassembly and a pump-driver subassembly coupled thereto, wherein the pump-driver subassembly includes a pump-driver enclosure. The pump-head subassembly comprises a rotatable magnet contained in a magnet cup extending into the pump-driver enclosure. The pump-driver subassembly has a printed circuit board (PCB) in the pump-driver enclosure and a stator mounted to the PCB. The stator coaxially surrounds the magnet cup. The magnet cup has a distal-end wall. The printed circuit board includes a stator-driving circuit and at least one signal-processing circuit. The PCB defines a void relative to the distal-end wall that exposes at least half the distal-end wall. The pump-driver enclosure has an aspect ratio of no greater than one (unity). | 06-12-2014 |
| 20140169999 | SHAFT SUPPORTING MODULE AND OUTER ROTOR TYPE FAN MOTOR HAVING THE SAME - Disclosed herein is a shaft supporting module, including: a bearing rotatably supporting a shaft of a fan motor; and a supporting body supporting the bearing, wherein the bearing is formed of a single bearing extended in an axial direction. | 06-19-2014 |
| 20140178221 | FLUID DYNAMIC PRESSURE BEARING ASSEMBLY, SPINDLE MOTOR INCLUDING THE SAME, ELECTRIC BLOWER INCLUDING THE SAME, AND VACUUM CLEANER INCLUDING THE SAME - There are provided a fluid dynamic pressure bearing assembly, a spindle motor including the same, an electronic blower including the same, and a vacuum cleaner including the same. The fluid dynamic pressure assembly includes: a shaft fixedly installed on a base member; and a sleeve having an axial hole fixed to an outer circumferential surface of the shaft and rotatably supported by fluid dynamic pressure, wherein when the sleeve is inclined, based on an axial direction while being rotated, the sleeve comes into line-contact or surface-contact with the shaft in the axial direction. | 06-26-2014 |
| 20140186203 | MAGNETIC COUPLING PUMP AND PUMP UNIT COMPRISING THE SAME - In a magnetic coupling pump including a closed impeller, and a casing that houses the impeller in such a way that the impeller is rotatable around a rotation axis and movable in an axis direction in which the rotation axis extends, reduction in the rotational frequency of the impeller can be suppressed even if thrust balance collapses temporarily and the impeller and the casing come into contact with each other. A tapered surface ( | 07-03-2014 |
| 20140205480 | CENTRIFUGAL PUMP - A centrifugal pump includes a main body casing. The main body casing includes an upper main body casing, a lower main body casing fixed to the upper main body casing, and a blade casing. In the blade casing, an interior space S | 07-24-2014 |
| 20140234141 | PUMP CONFIGURATION - A magnetic-drive coupling pump configuration including an attachment/detachment mechanism allowing simple and reliable positioning and fixation is provided. Thrust-direction positioning and radial-direction positioning are achieved, respectively, by surface contact of a convex portion of a pump unit ( | 08-21-2014 |
| 20140234142 | Device for Transmitting Power through Rotating Magnetic Fields - A device for the transmission of power using rotating magnetic fields includes a drive shaft with an external magnet, a pump shaft with an internal magnet suited to entrained by the external magnet, a rear tight chamber or containment body for the pump shaft and the internal magnet, the rear body being positioned between the internal magnet and external magnet. The rear body includes at least a glass-shaped casing and one or more probes buried within the thickness of the glass-shaped casing. | 08-21-2014 |
| 20140234143 | FLUID PUMP ASSEMBLY - A fluid pump assembly is provided. The pump has a pair of units magnetically coupled to each other. The first unit contains a drive motor and a magnetic assembly. The second unit contains a magnetic assembly and a blade of a propeller/impeller for imparting movement to a fluid. As the first unit is activated by the drive motor, a magnetic flux is created which in turn rotates the magnetic assembly in the second unit, driving the blade. | 08-21-2014 |
| 20140255225 | FLOW THRU MECHANICAL BLOOD PUMP BEARINGS - A flow thru mechanical bearing system can be used in an implantable rotary blood pump that includes a pump housing. An impeller housed in the pump housing can be radially supported by a row of at least three low friction contact points located on an inside bore of the impeller. The impeller may be axially supported by a second mechanical bearing. The second mechanical bearing may provide at least three axial contact points on the top surfaces of the impeller. The impeller is driven by a magnetic coupling which functions mainly to transmit torque to the impeller. Further, in some cases, the magnetic coupling may restrain axial motion of the impeller. | 09-11-2014 |
| 20140271278 | LEVITATING CEILING FAN - An elevating ceiling fan including a downrod assembly having a base and a plurality of first magnetic devices, a rotor having a plurality of second magnetic devices, and a plurality of fan blades attached to the rotor. The plurality of first magnetic devices are capable of alternating polarity in order to induce rotation of the rotor and plurality of fan blades, where rotation of the rotor and the plurality of fan blades causes the rotor and the plurality of fan blades to elevate above the base of the downrod assembly. | 09-18-2014 |
| 20140271279 | ELECTRIC FLUID PUMP - An electric fluid pump includes a rotor including a permanent magnet, and including a radially outer peripheral surface covered by resin. An impeller faces a first axial end side of the rotor. A support shaft is disposed in a hole, wherein the hole extends axially of the rotor and the impeller, and through radially inside of the rotor and the impeller. A plain bearing part is configured to support the rotor and the impeller rotatably with respect to the support shaft. A first groove is formed in the radially outer peripheral surface of the rotor, and extends from the first axial end side of the rotor to a second axial end side of the rotor opposite to the first axial end side. | 09-18-2014 |
| 20140271280 | PUMP MOTOR - An electric pump motor is provided. The motor includes a stator assembly including a magnetic stator component and an overmolded stator casing sealingly encapsulating the magnetic stator component. A rotor assembly that is rotatable about an axis includes a rotor shaft extending along the axis, a magnetic rotor component, and an overmolded rotor casing fixedly interconnecting the rotor shaft and magnetic rotor component. The rotor shaft is connected to an impeller that imparts a thrust load on the rotor shaft. The rotor and stator assemblies are configured so that the magnetic components induce a solenoid force on the rotor shaft opposite the thrust load. | 09-18-2014 |
| 20140271281 | BRACKETLESS MAGNETIC PUMP - A fluid pump kit is provided. The kit includes a magnetic driven member for coupling with and rotating a propeller, and a magnetic driver for magnetically coupling to and driving the magnetic driven member by a magnetic attraction force establishable between the magnetic driver and the magnetic driven member. A motor of the kit operates the magnetic driver. First and second casings are provided for housing the magnetic driver and the magnetic driven member, respectively. The first and second casings with housed magnetic driver and magnetic driven member, respectively, are detachably securable to opposite sides of a non-magnetic spacer solely by the magnetic attraction force establishable between the magnetic driver and the magnetic driven member sufficient to support the second casing and the housed magnetic driven member in a particular position without the use of mechanical aids. | 09-18-2014 |
| 20140271282 | ROTARY PUMP WITH ROTOR AND STATOR ARRANGEMENT - A rotary pump intended to pump a fluid in a system on board a vehicle, such pump comprising a stator, a rotation axle attached both to a mechanical pumping element and a magnetic rotor, and electrical connections. The rotor, the stator and the electrical connections are overmolded in a leaktight manner with a plastic. | 09-18-2014 |
| 20140271283 | METHOD FOR MANUFACTURING STATOR FOR ELECTRIC WATER PUMP - A method for manufacturing a stator for an electric water pump may be used for manufacturing the stator used in the electric water pump. In the electric water pump which includes stator assembly for an electric water pump, wherein the stator assembly including a plurality of core-insulator assemblies generates a magnetic field according to a control signal and a rotor is rotated by the magnetic field generated at the stator assembly to pressurize coolant, the method for manufacturing the stator assembly may include a) stacking a plurality of pieces made of a magnetic material to form a core stack, b) molding an insulator to the core stack, c) coiling a coil to the insulator to form a core-insulator assembly so as to form a magnetic path, and d) connecting the respective core-insulator assembly in an annular shape in sequence to form the stator assembly. | 09-18-2014 |
| 20140294630 | COVER MODULE AND ELECTRIC BLOWER HAVING THE SAME - Disclosed herein is a cover module, including: a cover covering an impeller connected to a rotating shaft; a housing receiving a driving module coupled with the cover and including the rotating shaft; and a coupling member coupling the cover with the housing, wherein the cover is provided with a coupling part in an axial direction of the rotating shaft, the housing is provided with a coupling part corresponding to the coupling part of the cover in the axial direction of the rotating shaft, and the coupling member is fixed to the coupling part of the cover and the coupling part of the housing. | 10-02-2014 |
| 20140314595 | Reservoir Vent and Thermal Stabilization Orifice - A reservoir includes first and second chambers, and a piston having first and second ends disposed in the first and second chambers, respectively. The first and second ends isolate a first area from a second area within the first and second chambers. The first area of the first chamber is in fluid communication with a high pressure fluid source and the second area of the first chamber is in fluid communication with a low pressure fluid source. An orifice is formed in the first end and is configured to allow fluid communication between the upper and lower areas of the first chamber. A pumping system and an aircraft are also disclosed. | 10-23-2014 |
| 20140314596 | FAN MOTOR - A fan motor is provided that prevents restraint on a rotor in an environment where oil and dust are floating in the air. The fan motor includes a stator constituted of an armature having a winding thereon, a rotor constituted of an excitation unit including a permanent magnet, and a vane wheel fixed to the rotor and including a plurality of vanes. The vanes or the vane wheel are formed so as to generate airflow from the side of a frame boss toward a hub unit of the vane wheel. | 10-23-2014 |
| 20140314597 | IMPLANTABLE CENTRIFUGAL BLOOD PUMP WITH HYBRID MAGNETIC BEARINGS - A pump for pumping sensitive fluids, such as blood, has no mechanical contact between the impeller and any other structure. | 10-23-2014 |
| 20140341764 | WET ROTOR PUMP - A wet rotor pump with an axial flux motor that includes a stator, a containment shell, and a rotor. The stator and the containment shell are arranged in a dry zone while the rotor on an impeller is arranged in a wet zone. The wet rotor pump further has an inlet line for a fluid to be pumped by the impeller, and a bearing for the impeller. Said bearing is arranged at one end of the inlet line and supports the impeller in such a way that the impeller has an axial degree of freedom. The inlet line extends through the stator, the containment shell, and the bearing in the axial direction. | 11-20-2014 |
| 20140363320 | MOTOR STATOR BOBBIN - A motor includes a stator with a bobbin. The bobbin has a lower end winding portion, a head part retainer portion that retains a head part of a winding, and a control portion disposed between the lower end winding portion and the head part retainer portion. A head part retainer surface formed on a pump part side of the head part retainer portion and an end face formed on a pump part side of the control portion are positioned on the same plane and on a pump part side relative to a winding retainer surface that is formed on a pump part side of the lower end winding portion. Thus, when the winding is wound in layers onto the winding retainer surface of the bobbin, collapsing of a middle part of the winding onto the head part of the winding is prevented. | 12-11-2014 |
| 20140377100 | BEARING AND SHAFT ASSEMBLY FOR JET ASSEMBLIES - An improved bearing and shaft assembly for jet assemblies is disclosed. The improved bearing and shaft assembly includes a bearing assembly having an outer bearing member and an inner bearing member, and a shaft assembly having a shaft member, a shaft protection member, and a locking mechanism. Also, a jet assembly that includes the improved bearing and shaft assembly is disclosed. The jet assembly may be coupled to a motor assembly. The jet assembly further includes the housing that includes at least one inlet aperture and at least one outlet aperture, and an impeller positioned within a cavity of the housing. In addition, a pump comprising a motor assembly and a jet assembly that includes the improved bearing and shaft assembly is disclosed. Furthermore, a method for displacing a fluid using the improved bearing and shaft assembly is disclosed. | 12-25-2014 |
| 20140377101 | WET ROTOR PUMP COMPRISING A PLAIN BEARING - A wet rotor pump with an axial flux motor that includes a stator and a rotor. The stator is arranged in a dry zone while the rotor on an impeller is arranged in a wet zone. The wet rotor pump further has an inlet line for a fluid to be pumped by the impeller, and a bearing for the impeller. Said bearing is arranged at one end of the inlet line and supports the impeller in such a way that the impeller has an axial degree of freedom. The inlet line extends through the stator and the bearing in the axial direction. The bearing is a plain bearing which is used to radially support the impeller and axially support the impeller in one direction as an abutment for the magnetic force of attraction that the stator exerts on the impeller. | 12-25-2014 |
| 20150010415 | CENTRIFUGAL PUMP DEVICE - This centrifugal blood pump device comprises an impeller which is provided within a blood chamber, a permanent magnet which is provided to one surface of the impeller, a permanent magnet which is provided to the inner wall of the blood chamber, permanent magnets which are provided to the other surface of the impeller, and multiple sets of magnetic bodies and coils, which are disposed within a motor chamber and which rotationally drive the impeller with a partition wall located between the impeller and the sets of magnetic bodies and coils. The magnetic bodies are formed in a solid cylindrical shape. The configuration enables the impeller to be smoothly activated for rotation by controlling a coil current. | 01-08-2015 |
| 20150017030 | CENTRIFUGAL PUMP APPARATUS - In this centrifugal blood pump apparatus, one permanent magnet is provided in one surface of an impeller, a second permanent magnet is provided in an inner wall of a blood chamber, a third permanent magnet is provided in the other surface of the impeller, and a fourth permanent magnet and a rotor for driving the impeller to rotate are provided, with an diaphragm being interposed. An amount of change in attractive force between the first permanent magnet and the second permanent magnet and an amount of change in attractive force between the third and fourth permanent magnets when the impeller is eccentric are made substantially equal to each other. Therefore, a levitation position of the impeller can always be maintained at a substantially central position in a housing. | 01-15-2015 |
| 20150030479 | WET ROTOR PUMP COMPRISING A PERMANENT MAGNET - A wet rotor pump with an axial flux motor that includes a stator and a rotor. The stator is arranged in a dry zone while the rotor on an impeller is arranged in a wet zone. The rotor is formed by one or more samarium cobalt (SmCo) permanent magnets. | 01-29-2015 |
| 20150037180 | ELECTRIC MOTOR AND MAGNETIC GEAR - An electric motor that can be used in driving a compressor and that incorporates a magnetic gear. The motor has high and low speed stators mounted within a motor casing side-by-side that drive coaxial low and high speed rotors also mounted within the motor casing for rotation and within the high and low speed stators. The high and low speed stators produce rotating magnetic fields that rotate in opposite directions to drive the rotors under application of a multiphase alternating current. The low speed rotor has a set of ferrous pieces, rotating with the low speed rotor and mounted thereon between the high speed rotor and the high speed stator. The ferrous pieces produce a magnetic gearing effect to drive the high speed rotor at a higher speed than the low speed rotor and in an opposite direction to the low speed rotor. | 02-05-2015 |
| 20150078936 | BLOOD PUMP APPARATUS - A blood pump apparatus includes a housing having a blood inlet port and blood outlet port, a pump unit including an impeller that rotates within the housing, and an impeller rotational torque generation section. The housing includes a plurality of magnetic members embedded between the impeller and the impeller rotational torque generation section for transmitting a magnetically attractive force generated by the impeller rotational torque generation section to an impeller body. The pump device includes a non-contact bearing mechanism for rotating the impeller without contacting with the inner surface of the housing when the impeller is rotated by the impeller rotational torque generation section. | 03-19-2015 |
| 20150093270 | MAGNETICALLY ACTUATED FLUID PUMP AND PULSE REDUCING APPARATUS - An integrated fluid management system is provided with capability to deliver precise flow rate and fluid dosing capability over a wide range of operator set parameters. A magnetically actuated pump head is low cost, affords simple installation, and is potentially disposable. Multiple pump heads may be docked to a single drive module or control module to provide concurrent metering of multiple fluids and to maintain precise volume ratio of the multiple fluids to one another. The magnetic pump head may be integrated with radio frequency Identification devices (RFID) and Hall Effect Sensors to provide customized control and fail safe operation. A pressure pulse reducing apparatus improves pump delivery accuracy and may employ a sensor to monitor pump operation and send an error message to indicate a malfunction has occurred. | 04-02-2015 |
| 20150104338 | Electromagnetic Pump - The invention relates to an electromagnetic pump comprising precisely one coil, wherein the one coil has a longitudinal axis, a ferromagnetic first core section at least partially arranged in the one coil, a ferromagnetic second core section at least partially arranged in the one coil, and a ferromagnetic armature, wherein a primary air gap is arranged between the armature and the first core section, wherein a radial secondary air gap is arranged between an insertion section of the armature and a receiving section of the second core section facing the longitudinal axis, wherein the ferromagnetic armature has a truncated cone-shaped contour narrowing in the stroke direction in a front section facing the first core section, wherein a magnetic force between the armature and the first core section is greater in a closing process of the first air gap; than a magnetic force between the armature and the second core section. | 04-16-2015 |
| 20150110652 | PUMP CONFIGURATION - A magnetic-drive coupling pump configuration including an attachment/detachment mechanism allowing simple and reliable positioning and fixation is provided. Thrust-direction positioning and radial-direction positioning are achieved, respectively, by surface contact of a convex portion of a pump unit ( | 04-23-2015 |
| 20150110653 | WATER PUMP - A water pump includes: a lower casing; a shaft fixed to the center of the lower casing; a stator disposed in the lower casing; an outer rotor that is arranged at a predetermined gap to the outer circumferential surface of the stator and is rotatably supported on the fixed shaft; an upper casing that is sealably mounted on an upper side of the lower casing in which an inlet and an outlet are formed; an impeller that is disposed in the upper casing and that is rotatably supported on the fixed shaft; and a power transmission unit that is installed between the impeller and the rotor and transmits the rotational force of the rotor to the impeller by a magnetic force, to prevent water from being introduced into the lower casing, and to allow the fixed shaft to rotatably support the rotor, as well as to rotatably support the impeller. | 04-23-2015 |
| 20150118081 | INTEGRATED FAN BLADE AND FAN HAVING THE SAME - An integrated fan blade and a fan having the same are provided. The fan includes a stator ( | 04-30-2015 |
| 20150125324 | ROTARY COMPRESSOR - The present invention concerns a rotary compressor for compressing a gaseous medium, comprising an impeller ( | 05-07-2015 |
| 20150132162 | SLIM-TYPE FAN STRUCTURE - A slim-type fan structure includes a stator ( | 05-14-2015 |
| 20150132163 | ELECTRIC PUMP FOR A HYBRID VEHICLE - A hydraulic system for a hybrid module which is located between an engine and a transmission includes a parallel arrangement of a mechanical pump and an electric pump. Each pump is constructed and arranged to deliver oil to other portions of the hydraulic system depending on the operational mode. Three operational modes are described including an electric mode, a transition mode, and a cruise mode. Various monitoring and control features are incorporated into the hydraulic system. | 05-14-2015 |
| 20150139831 | PUMP MODULE AND ELECTRIC PUMP INCLUDING THE SAME - A pump module may include a pump rotor coupled to a rotating shaft of a motor, and a pump housing configured to accommodate the pump rotor. The pump housing includes a rotor accommodating part having an insertion groove formed therein to accommodate the pump rotor, and a cover connected with the rotor accommodating part and having a fluid sucking hole and a fluid discharging hole. | 05-21-2015 |
| 20150316072 | COUPLING AN ELECTRIC MACHINE AND FLUID-END - A submersible fluid system for operating submerged in a body of water includes a fluid-end that has a fluid rotor disposed in a fluid-end housing. An electric machine housing is coupled to the fluid-end housing and includes a hermetically sealed cavity. An electric machine, such as a motor and/or generator, is disposed entirely within the cavity of the electric machine housing. The electric machine includes an electric machine stator and an electric machine rotor. A magnetic coupling couples the electric machine rotor and the fluid rotor. | 11-05-2015 |
| 20150345501 | Electromagnetic Propulsive Motor - The invention comprises an electromagnetic propulsive motor having a rotor capable of rotation around a shaft and having a plurality of radially disposed blades including blade tip portions for compressing a working fluid. The invention further comprises a stator having a case frame, and a plurality of radially disposed vanes extending generally between said case frame and said shaft for directing the working fluid. A plurality of electromagnetic elements disposed within said rotor blades proximate the tip portions thereof interact electromagnetically with a plurality of electromagnetic elements disposed in said stator case frame to drive said rotor. | 12-03-2015 |
| 20150369248 | ROTOR STRUCTURE AND ELECTRIC FLUID PUMP - Provided are a rotor structure capable of suppressing an increase in the number of process steps and an electric structure using the rotor structure. A rotor assembly | 12-24-2015 |
| 20150369252 | HIGH EFFICIENCY TRANSVERSE FLUX MOTOR FAN - A high efficiency transverse flux motor fan utilizes a transverse flux motor that can provide torque to drive fan blades at a reduced weight over conventional induction and brushless DC motors. A fan incorporating a transverse flux motor may be a residential ceiling fan or high volume low speed fan. Transverse flux motors are ideal for these applications as they have a higher efficiency at low revolutions per minute. A transverse flux motor may have a stator utilizing a ring shaped lamina that has extending members that form a coil channel. A lamina may be a unitary piece of material that is formed from a sheet of metal, thereby providing a very lightweight stator assembly. An exemplary fan may provide an airflow efficiency of more than about 236 L/s*W, (500 CFM/watt), an essential airflow density of more than about 2.36 L/s*g, (5 CFM/gram) and a power density of about 150 W/kg or more. | 12-24-2015 |
| 20160003253 | COMPRESSOR AND METHOD FOR ASSEMBLING A COMPRESSOR - A compressor and a method for assembling a compressor are provided. The compressor may include a compressor casing coupled to each of a suction inlet, into which a refrigerant may be introduced, and a discharge outlet, through which the refrigerant may be discharged, a compressor body mounted inside the compressor casing to compress the refrigerant suctioned in through the suction inlet, and then discharge the refrigerant through the discharge outlet, a noise reducing member disposed between the compressor body and the compressor casing, and at least one fixing member mounted inside the compressor casing to fix the noise reducing member to an inner wall of the compressor casing. | 01-07-2016 |
| 20160010648 | SELF-DRIVEN APPARATUS FOR CHARGING EXPANDED AIR | 01-14-2016 |
| 20160040675 | Magnetic Coupling for Motor Drive Shaft of Electrical Submersible Pump - An electrical submersible pump assembly has a magnetic coupling between the motor shaft and the pump shaft. The coupling includes motor shaft disks mounted to the motor shaft, each having upward and downward facing disk surfaces joined by an outward facing disk cylindrical surface. Motor shaft magnets are mounted in each of the disk cylindrical surfaces and in the upward and downward facing disk surfaces. A pump shaft rotor mounted to the pump shaft has annular bands axially separated from each other by recesses into which the disks extend. Rotor magnets are mounted in each of the recess cylindrical surfaces and in upward and downward facing-band surfaces. The magnets in the recesses interact with the magnets on the disks. | 02-11-2016 |
| 20160047382 | ELECTRIC PUMP - A rotor of an electric pump may include a body having an inner circumferential surface encircling a shaft; and a magnet located in a motor chamber of a storage space of the pump, and arranged so as to be (i) separated from an outer circumferential surface of the body with an interval in between and (ii) separated from a stator of the pump with an interval in between. The interval between the magnet and the body may communicate the motor chamber and a pump chamber of the storage space. The body may include a groove extending from an end of the inner circumferential surface of the body to the pump chamber. The rotor may further comprise a wall disposed in the interval between the magnet and the outer circumferential surface of the body and at a position being different from the groove in a rotation direction of the rotor. | 02-18-2016 |
| 20160084256 | 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, an outer rotor which is mounted on the drive shaft and co-operates with the inner rotor, and an auxiliary impeller mounted in the chamber adjacent to a domed base of the containment can. The auxiliary impeller is secured to the inner rotor and includes vanes and impeller channels for circulation of media. | 03-24-2016 |
| 20160097388 | PUMP UNIT - Pump units are known that have a drive shaft and a rotor, which is driven by the drive shaft and is arranged rotatably in a housing, the drive shaft having an oblique sliding plane, which interacts with the rotor and allows the rotor to nutate with the rotor axis thereof about a drive axis of the drive shaft, the rotor having a set of teeth on the end face of the rotor facing away from the drive shaft, said teeth meshing with a set of teeth formed on a housing of the pump unit, working spaces being formed between the teeth of the rotor and the teeth of the housing, which working spaces can be filled via an inlet and emptied via an outlet. It is disadvantageous that the pump unit has a comparatively large axial installation length, because the drive of the pump unit is arranged on an end of the drive shaft facing away from the rotor. In the pump unit according to the invention, the axial installation length is shortened. According to the invention the drive shaft ( | 04-07-2016 |
| 20160108919 | ELECTRONIC COOLING WATER PUMP WITH FLOATING IMPELLER - An electronic cooling water pump with a floating impeller for a motor vehicle. The mechanism includes a support or housing, a stator, a water pump cover, a socket injection molding, a controller (or circuit board), and a rear cover. A rotor impeller injection molding is positioned at the center of the stator and floats when the water pump is operating. The magnetic field generated by the stator and the magnetic field generated by the permanent magnets in the rotor impeller injection molding turn the motor impeller injection molding at a certain rotation speed, so that the impeller does work on coolant, and also make the rotor impeller injection molding float automatically in the center of the stator. Bearings are eliminated and friction losses and pump noise are minimized. | 04-21-2016 |
| 20160108923 | Pump Arrangement - A pump arrangement, in particular a magnetic coupling pump arrangement, includes a pump housing having an interior, a split case which hermetically seals a chamber surrounded by the split case from the interior formed by the pump housing, an impeller shaft with an impeller thereon which can be driven in a rotatable manner about a rotational axis, an inner rotor arranged at an end of the impeller shaft opposite the impeller end, an outer rotor which interacts with the inner rotor, and an adapter element which connects the split case to the pump housing or to a component paired with the pump housing, in particular a housing cover. The adapter element includes a mounting flange which rests against a support surface of the pump housing, in particular of the housing cover ( | 04-21-2016 |
| 20160115962 | SHAFTLESS FAN STRUCTURE HAVING AXIAL AIR SLIT - A shaftless fan structure having an axial air slit includes: a base, including a bottom plate connected with a fasten post; a rotor set, including a impeller sleeved on the fasten post and a magnetic member, wherein the impeller is formed with a bottom surface oppositely arranged with respect to the bottom plate, and the magnetic member is disposed on the bottom surface; a rolling bearing, fastened between the fasten post and the rotor set; and a stator set, disposed on the bottom plate and including a magnetic inducing portion oppositely arranged with respect to the magnetic member, wherein an axial air slit is formed between the magnetic inducing portion and the magnetic member. Accordingly, an objective of being shaftless is achieved, and the total height can be reduced through altering the arrangement of the magnetic member and the stator set. | 04-28-2016 |
| 20160131141 | MAGNETIC LEVITATED PUMP - A magnetic levitated pump that does not cause pulsation of a pumped liquid and can suppress the generation of particles, which are liable to be produced by contact of a sliding part, is disclosed. The magnetic levitated pump for magnetically levitating an impeller housed in a pump casing includes a motor configured to rotate the impeller, and an electromagnet configured to magnetically support the impeller. The motor and the electromagnet are arranged so as to face each other across the impeller, and the motor is arranged on the opposite side of a suction port of the pump casing. | 05-12-2016 |
| 20160138597 | ROTARY PUMP WITH THRUST BEARINGS - A rotary blood pump includes a casing defining a pumping chamber. The pumping chamber has a blood inlet and a tangential blood outlet. One or more motor stators are provided outside of the pumping chamber. A rotatable impeller is within the pumping chamber and is adapted to cause blood entering the pumping chamber to move to the blood outlet. The impeller has one or more magnetic regions. The impeller is radially constrained in rotation by magnetic coupling to one or more motor stators and is axially constrained in rotation by one or more hydrodynamic thrust bearing surfaces on the impeller. | 05-19-2016 |
| 20160168964 | Magnetic Coupling Unit for Submersible Well Pumps | 06-16-2016 |
| 20160377082 | ELECTRIC MOTOR DRIVEN LIQUID PUMP, IN PARTICULAR FOR THE FORCED LUBRICATION OF A MANUAL TRANSMISSION FOR MOTOR VEHICLES - An electric motor driven fluid pump for forced lubrication of a manual transmission of a motor vehicle, includes a housing having a fluid inlet and a fluid outlet, and an electronically commutated electric motor incorporated therein. The electric motor has a substantially cup-shaped magnetic rotor rotatable around a rotational axis, shaped for conveying fluid, an annular stator having a motor winding which at least partially encloses the rotor in a coaxial arrangement with respect to the rotational axis when viewed along the rotational axis, and a magnetic field sensor for detecting the position of the rotor. The housing includes a stator housing section which holds the stator, separates same from a liquid chamber in which the rotor is arranged, and extends into the rotor by a housing offset formed for receiving the magnetic field sensor. | 12-29-2016 |
| 20180023573 | SUBSEA PRESSURE BOOSTER | 01-25-2018 |
| 20220136490 | APPARATUS AND METHOD OF ROTATIONAL ALIGNMENT OF PERMANENT MAGNET TANDEM MOTORS FOR ELECTRICAL SUBMERSIBLE PUMP - An electrical submersible well pump assembly has first and second permanent magnet motors. The first motor drive shaft is connected to a coupling that has internal splines for receiving an externally splined end of the second motor drive shaft. Alignment devices rotationally align magnetic poles of the first drive shaft with the magnetic poles of the second drive shaft prior to securing the housings of the first and second motors together. The alignment devices may be a coupling irregularity in the internal splines that is at a controlled orientation relative to the magnetic poles of the first shaft and a shaft irregularity in the external splines that prevents the second drive shaft from fully engaging the coupling unless the shaft irregularity is in a specified rotational position relative to the coupling irregularity. | 05-05-2022 |
