| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 417423120 | Having bearing | 58 |
| 20080304986 | Blower with bearing tube - A blower includes a stationary portion including an inlet and an outlet, a rotating portion provided to the stationary portion, and a motor adapted to drive the rotating portion. The inlet and outlet are co-axially aligned. The stationary portion includes a housing, a stator component provided to the housing, and a tube providing an interior surface. The rotating portion includes one or more bearings that are provided along the interior surface of the tube to support a rotor within the tube. In an embodiment, the blower is structured to supply air at positive pressure. | 12-11-2008 |
| 20090022611 | COOLING FAN - A cooling fan includes a fan housing ( | 01-22-2009 |
| 20090028731 | Ball bearing and a vacuum pump that is equipped with a bearing of this type - A ball bearing ( | 01-29-2009 |
| 20090041601 | COOLING FAN - A cooling fan includes a fan housing ( | 02-12-2009 |
| 20090220362 | Compressor Unit - The invention relates to a compressor unit, in particular for underwater operation, comprising a compressor with a compressor rotor which has one or more compressor stages, and also comprising an electric motor with a stator and a motor rotor, and comprising a gastight housing which is provided with an inlet and an outlet. Such compressor units in a large embodiment are especially susceptible to vibrations. The invention provides a remedy hereby virtue of the fact that the motor rotor has two radial bearings, a first radial bearing and a second radial bearing, each arranged at the end, that the compressor rotor has two radial bearings, a third radial bearing and a fourth radial bearing, each arranged at the end, and that a coupling which transmits torque is arranged between the two rotors. | 09-03-2009 |
| 20090257895 | ELECTRIC COMPRESSOR - An electric turbo compressor is an air compressor to be used in a fuel cell system, and includes a housing comprised o a compression casing, a motor casing, and a canceller casing, and the housing houses therein an impeller, a rotary shaft, a thrust canceller (a load cancellation section), and a motor unit. The rotary shaft is supported by a thrust air bearing in its thrust direction, and is axially supported by a radial air bearing in its rotating direction. A thrust load is generated at the rotary shaft when the number of rotations of the impeller increases. The pressure of the compressed air acts to the pressure chamber from the compressed air lead-out section of the compression casing via the compressed air passage, and this pressure acts on the canceller flange of the canceller shaft so as to generate a load towards the rear of the rotary shaft. Therefore, the thrust load is cancelled out. | 10-15-2009 |
| 20100021324 | Vacuum pump - A vacuum pump includes shaft, two spaced from each other, dynamic gas bearings for supporting the shaft for rotation, and a pumping system arranged on the shaft between the two gas bearings and having two pumping sections which are so formed that compressed gas from each section is delivered in a direction of a gas bearing adjacent to this pumping section. | 01-28-2010 |
| 20100158725 | Rotary pump with a fixed shaft - A rotary pump ( | 06-24-2010 |
| 20100172776 | FUEL PUMP - A fuel pump for delivering fuel has a housing part made from a coated material. An insert made from an electrically non-conductive material, such as for example phenolic resin, is pressed into the housing part. The insert which is produced from phenolic resin can be pressed into the housing part before a surface treatment of the housing part, since phenolic resin is not electrically conductive. As a result, the fuel pump can be produced particularly inexpensively. | 07-08-2010 |
| 20110044832 | Fluid Energy Machine - A fluid energy machine, in particular a compressor, is provided. The fluid energy machine includes a common rotor, which is mounted using magnetic bearings, for the flow machine and the drive. In addition to the magnetic bearings, auxiliary bearings are provided, wherein a friction bearing is provided on the bottom part of the vertically oriented rotor and a roller bearing, which provides both radial and also axial mounting, and is implemented as a ball bearing, is provided on the upper end. | 02-24-2011 |
| 20110091338 | Heat Dissipating Fan - A heat dissipating fan includes a housing having an air inlet and air outlet between which an air passageway is formed. A fixed seat is provided in the air passageway and includes first positioning holes. A magnetically conductive first casing includes a first outer wall, a first annular lip extending radially outward from an end of the first outer wall and having second positioning holes aligned with the first positioning holes, and a first support on the other end of the first outer wall. A second casing includes a second outer wall, a second annular lip extending radially outward from an end of the second outer wall and having third positioning holes aligned with the first positioning holes, and a second support on the other end of the second outer wall. Fasteners extend through the first, second and third positioning holes. A motor is mounted in the first and second casings. | 04-21-2011 |
| 20110189036 | Modular Vertical Pump Assembly - A modular vertical pump assembly has a motor, a coupling, a pump, a frame, and a base. The frame installs on the base around the pump, and supports of the frame hold a mount for the motor. The shaft from the motor extends through the mount, and the coupling installs between the motor shaft and a pump shaft. Preferably, the coupling uses an adapter and a stuffing box. Three supports fixedly attach to the mount and base, while one support is removable. To remove the pump for repair or replacement, the removable support detaches from the frame, and the pump detaches from the base and lifts from the frame's free side. Like the pump, the motor can be removed independently from the mount. In both cases, the coupling allows the pump's shaft to freely separate from the motor's shaft. | 08-04-2011 |
| 20110280753 | TILT-PREVENTING FAN - The present invention provides a tilt-preventing fan having a blade device, a motor, a magnet device, a frame and a ball bearing. The blade device has a blade shaft. The blade shaft has an outer surface and a ring attached the outer surface. The motor is mounted around the blade shaft. The magnet device is mounted around the motor. The frame has a receiving device mounted in the central hole of the motor from the second opening and has an inner flange positioned around the blade shaft. The receiving device has a base, a resilient member and an abrasion-resistant pad abutting the blade shaft. The resilient member is mounted between the base and the abrasion-resistant pad. The ball bearing is mounted between the ring and inner flange. The ball bearing is firmly held between the ring and inner flange and capable of preventing the blade shaft from tilting. | 11-17-2011 |
| 20120014823 | Rotor for an electric motor, an electric motor and a production process for an electric motor | 01-19-2012 |
| 20120156071 | Disposable Magnetically-Levitated Centrifugal Pump - A magnetically-levitated centrifugal pump, in which permanent magnets are not used for disposable sections, is provided with a pump head section and a pump section. The pump section comprises a stator, a torque transmission disc, a motor, a displacement sensor, and a pump housing. The stator has longer depth than protrusion length of a rotor accommodation section in which permanent magnets are not used, is equipped with a rotor insertion section, in which the rotor accommodation section is disposed so as to be able to be inserted and removed, on the side of one end section, and disposes three or more than three electromagnets for magnetic bearings, which magnetically couple with the rotor, at equal intervals. The torque transmission disc, which is disposed inside the rotor insertion section and which magnetically couples with the rotor, is formed by bonding ring components, which are made from magnetic material and are provided with protrusions at positions opposite protrusions on the rotor, between plural ring-shaped permanent magnets, which are magnetized in the thickness direction thereof, such that like-poles face each other, and then by placing another ring component on top of the uppermost ring-shaped permanent magnet. The motor rotationally drives the torque transmission disc. The displacement sensor measures radial displacement of the rotor. | 06-21-2012 |
| 20120251362 | ESP With Offset Laterally Loaded Bearings - A submersible pumping system for use downhole, wherein the system includes a pump, a pump motor, a seal section, a shaft coupling the pump motor to the pump, and bearing assemblies for radially retaining the shaft in place that are offset with respect to an axis of the shaft. The offset bearing assemblies produce side loads in the shaft that reduce shaft vibration during use. The bearing assemblies can be a combination of symmetric and asymmetric assemblies set in an alternating pattern along the length of the shaft. | 10-04-2012 |
| 20120282123 | ELECTRIC COMPRESSOR AND ASSEMBLY METHOD THEREOF - A main-bearing outer diameter of an electric motor is made smaller than a rotor outer diameter without causing a drop in production efficiency, and the ease of performing a shrink-fitting step is also enhanced by making it possible to mount a rotor to a main shaft in an early stage. A bearing journal portion ( | 11-08-2012 |
| 20120315169 | FLUID DYNAMIC BEARING DEVICE AND ASSEMBLY METHOD FOR SAME - Providing a fluid dynamic bearing device, wherein the outer member comprises a member formed by a pressing process on a plate member, the radial bearing surface and at least the one of the thrust bearing surfaces of the outer member being formed by the pressing process, and wherein at least a part of the inner member, which forms the radial bearing surface and the thrust bearing surfaces of the inner member, is made of a sintered metal. | 12-13-2012 |
| 20130121858 | VACUUM PUMP - The present invention provides a vacuum pump capable of suppressing the structure from becoming complicated and improving the damping effect. The vacuum pump includes: a holding mechanism for clamping an outer race of the ball bearing in an axial direction and holding the outer race so that the outer race moves along a radial direction; and an elastic member disposed at an outer circumferential side of the outer race. The elastic member is disposed in contact with or close to the outer circumferential side of the outer race. Oil or grease is injected into a gap between the elastic member and the outer race. Through holding the outer race against the elastic member, the elastic member is deformed to suppress vibration. Furthermore, through injecting oil or grease into the gap, the damping effect can be further improved. | 05-16-2013 |
| 20140037477 | Rotary Blood Pump With Opposing Spindle Magnets, Bore And Drive Windings - Various “contactless” bearing mechanisms including hydrodynamic and magnetic bearings are provided for a rotary pump as alternatives to mechanical contact bearings. In one embodiment, a pump apparatus includes a pump housing defining a pumping chamber. The housing has a spindle extending into the pumping chamber. A spindle magnet assembly includes first and second magnets disposed within the spindle. The first and second magnets are arranged proximate each other with their respective magnetic vectors opposing each other. The lack of mechanical contact bearings enables longer life pump operation and less damage to working fluids such as blood. | 02-06-2014 |
| 20140112810 | FAN AND BEARING COOLING STRUCTURE THEREOF - A bearing cooling structure includes a metal base seat and a plastic bearing cup. The metal base seat has a raised section and an extension section. The plastic bearing cup encloses the raised section and has an inner circumference defining a bearing hole. The extension section horizontally extends from the raised section toward a center of the plastic bearing cup. The extension section has a free end and an upper surface positioned in the bearing hole. A bearing is received in the bearing hole and disposed on the extension section. A bottom face of the bearing is in contact with the upper surface of the extension section. Accordingly, the heat of the bearing can be transferred (conducted) through the extension section to the metal base seat to be dissipated. A fan with the bearing cooling structure is also disclosed. | 04-24-2014 |
| 20140147311 | SWITCHED RELUCTANCE MOTOR ASSEMBLY - Disclosed herein is a switched reluctance motor assembly, including: a rotating shaft forming a rotating center of a motor; a rotor part rotatably coupled on the rotating shaft; a front part mounted over the rotor part to support a first bearing part of the rotating shaft; a diffuser part having a plurality of integrated guide vanes mounted at an outer side thereof while being coupled with the axial upper portion of the front part; and an impeller part coupled with the axial upper portion of the diffuser and coupled with the rotating shaft. According to the preferred embodiments of the present invention, it is possible to reduce the noise generated at the time of driving the motor by manufacturing the guide vanes mounted in the diffuser of the switched reluctance motor so as to be vertically integrated. | 05-29-2014 |
| 20140212312 | MAGNETIC BEARING DEVICE AND VACUUM PUMP - A magnetic bearing device comprises a controller configured to obtain magnetic levitation information of the rotor shaft by AD sampling of current detection signals from the plurality of current sensors and a sum signal obtained by adding the pair of current detection signals relating to the pair of electromagnets, and perform PWM control of the excitation amplifiers based on the magnetic levitation information. The controller performs PWM control so that a length of one of an on-duty period and an off-duty period of the PWM carrier signal is always longer than a predetermined time period based on an attenuation characteristic of a spike noise produced in the electromagnetic current, and performs the AD sampling after the predetermined time period passes from starting timing of one of the on-duty period and the off-duty period. | 07-31-2014 |
| 20140219841 | MAGNETIC BEARING DEVICE AND VACUUM PUMP - A predetermined timing is a timing at which the sampling timing is in a vicinity of a maximum peak position of the carrier wave signal and a timing at which the sampling timing is in a vicinity of a minimum peak position. The demodulation arithmetic section outputs, as the demodulation calculated result, a value d3 calculated with d3=(d1−d2)/2 when a data value of the digital signal sampled in the vicinity of the maximum peak position is denoted by d1 and a data value of the digital signal sampled in the vicinity of the minimum peak position is denoted by d2. | 08-07-2014 |
| 20140314599 | CENTRIFUGAL PUMP - The present invention relates to a novel bearing arrangement for a centrifugal pump. The bearing arrangement comprises a thrust bearing ( | 10-23-2014 |
| 20140363321 | MAGNETIC BEARING DEVICE AND COMPRESSOR - A magnetic bearing body supports a rotating shaft using a combined electromagnetic force of a pair of control electromagnets without contact. A controller detects a control index value based on a first coil current passed through a coil of a first control electromagnet of the pair of control electromagnets which generates an electromagnetic force in the same direction as that of a load exerted on the rotating shaft, the control index value being an index of the degree of margin for error in control depending on a value of the first coil current. And the controller controls a middle value of a pair of coil currents passed through the respective corresponding coils of the pair of control electromagnets so that the control index value approaches a predetermined target index value. | 12-11-2014 |
| 20140377104 | PUMP ASSEMBLY - A pump assembly has an electric drive motor which is designed as a canned motor which has a bearing ( | 12-25-2014 |
| 20140377105 | PUMP UNIT - A pump assembly includes a pump housing ( | 12-25-2014 |
| 20140377106 | SENSORLESS MAGNETIC LEVITATION VACUUM PUMP AND SENSORLESS MAGNETIC LEVITATION DEVICE - An electromagnet has a core with a pair of magnetic poles, a primary coil wound around the core, and a series circuit of a first auxiliary coil wound around the first magnetic pole of the core, a second auxiliary coil wound around the second magnetic pole of the core, and capacitors, and is connected in parallel to the primary coil and the series circuit. The first and the second magnetic poles are each divided into a plurality of split magnetic poles. The first auxiliary coil is composed of a plurality of split auxiliary coils wound around the respective pole in the plurality of split magnetic poles of the first magnetic pole so that the mutual inductance with the primary coil becomes zero. The second auxiliary coil is composed of a plurality of split auxiliary coils wound around the respective pole in a plurality of split magnetic poles of the second magnetic pole so that the mutual inductance with the primary coil becomes zero. | 12-25-2014 |
| 20150030481 | DYNAMIC PRESSURE BEARING APPARATUS AND FAN - A dynamic pressure bearing apparatus includes a bearing portion; a shaft; a substantially annular bushing; a radial dynamic pressure bearing portion; and a seal gap. A minute horizontal gap extending radially is defined between an upper surface of the bearing portion and a lower surface of the bushing. The seal gap is arranged to be in communication with an exterior space through the horizontal gap. | 01-29-2015 |
| 20150050170 | MAGNETIC BEARING DEVICE AND VACUUM PUMP - A magnetic bearing device comprises a first carrier generation section generating a first carrier signal; a second carrier generation section generating a second carrier signal whose phase differs by (π/2+θ) radian from the phase of the first carrier signal; a first demodulation section performing demodulation by sampling the first modulated signal at sampling timing shifted by a phase θ from timing at which the first carrier signal becomes a peak; a second demodulation section performing demodulation by sampling the second modulated signal at sampling timing shifted by a phase (−θ) from timing at which the second carrier signal becomes a peak; and a controller controlling current in each of the first radial electromagnet and the second radial electromagnet, based on a result of the demodulation by each of the first demodulation section and the second demodulation section. | 02-19-2015 |
| 20150098847 | ELECTRIC VACUUM PUMP - An electric vacuum pump includes a rotary member including an armature and a commutator; a brush arranged to slide in contact with the commutator; a motor part provided with a rotary shaft integral with the rotary member; a pump part connected to the rotary shaft and configured to operate in sync with the motor part; and a bearing supporting the rotary shaft between the motor part and the pump part, the commutator and the brush being placed on a non-pump side opposite to a pump side on which the pump part is placed in an axial direction of the rotary shaft with respect to the armature. | 04-09-2015 |
| 20150316066 | Ventilation Assembly - A ventilation assembly for a vehicle has a stationary load-bearing structure, including an outer frame and an inner annular support element connected to the frame by means of a plurality of spokes. The support element has a cylindrical outer skirt. An electric motor has an inner stator fixed to the annular support element and an outer rotor which extends around the stator. A fan fixed to the rotor, has a hollow hub from which a plurality of blades extend. The hub extends around the rotor and has a front wall and an annular, side wall which surrounds the motor. The side wall of the hub of the fan partially penetrates inside the skirt of the annular support element in the axial direction. | 11-05-2015 |
| 20150354581 | ELECTRIC MOTOR FOR A WATER PUMP - An electric coolant or water pump with a housing including and a housing sleeve adapted to receive a bearing assembly. An integral shaft bearing assembly is mounted inside the housing sleeve. The integral shaft bearing assembly includes a shaft, an outer bearing ring, and at least one bearing located between the shaft and the outer bearing ring. An impeller is connected to the shaft and located in the pump chamber. An electric motor is mounted to the housing, with the electric motor including a stator connected to an outside of the housing sleeve and a rotor mounted to the shaft on an opposite end from the impeller. The rotor is located opposite from and rotatable relative to the stator. | 12-10-2015 |
| 20150361870 | MAGNETIC DRIVE TYPE AIR CHARGING DEVICE - Provided is an air charging apparatus driven by a rotating magnetic field and compressing or pressurizing and transferring air. The air charging apparatus includes at least one impeller sucking air and giving kinetic energy to intake air; an impeller case leading external air inhaled by the impeller into the impeller and converting velocity energy of air out of the impeller into air having pressure energy to discharge air; and a rotating body accelerator equipped with the impeller and the impeller case and driving the impeller. Here, the rotating body accelerator drives the impeller by generating a torque by interaction with an intake negative pressure, by generating a torque by interaction with the intake negative pressure and using supplied power, or by generating a torque using supplied power. | 12-17-2015 |
| 20160025095 | ELECTRIC PUMP - An electric pump includes: a case; a shaft member fixed to the case; a cylindrical bearing inserted on the outside of the shaft member; a rotor configured as a member separate from the bearing, and configured to rotate integrally with the bearing; and an impeller fixed to one end of the rotor, wherein a discharge path is formed between the bearing and the rotor along an axial direction, and allows fluid to return to the impeller therethrough, the fluid flowing from the outer circumference of the impeller into the case, and circulating in the case. | 01-28-2016 |
| 20160032929 | BLOWER FAN - The second holder member includes a cover portion including, in an inner edge portion thereof, a cover portion cylindrical portion arranged to extend downward; the rotor cylindrical portion includes an annular rotor raised portion arranged to project radially outward from an outer circumferential surface thereof; the second holder member is attached to the first holder member; and a lower end portion of the cover portion cylindrical portion is arranged to be in axial contact with the rotor raised portion. | 02-04-2016 |
| 20160061209 | IMPELLER OF A CENTRIFUGAL PUMP APPARATUS - The invention relates to an impeller ( | 03-03-2016 |
| 20160102672 | BEARING STRUCTURE AND FAN THEREOF - A bearing structure and a fan thereof. The fan has a fan impeller and a rotary shaft connected with the fan impeller. The rotary shaft has a free end inserted in the bearing structure. The bearing structure includes a bearing cup. A bearing member and a first magnetic member are received in the bearing cup. The first magnetic member has a first magnetic face radially facing the rotary shaft. By means of the bearing member and the first magnetic member, the fan impeller can keep stably operating. | 04-14-2016 |
| 20160186763 | COMPACT CENTRIFUGAL FAN - The invention relates to a compact centrifugal fan, in which a motor mounting lies on an elastomeric element arranged in a through-opening between the fan housing and the motor mounting, said motor mounting being fixed to the fan housing by means of the elastomeric element. | 06-30-2016 |
| 20160201692 | FUEL PUMP | 07-14-2016 |
| 20190145415 | SYSTEM FOR MOVING FLUID WITH OPPOSED AXIAL FORCES | 05-16-2019 |
| 417423130 | With lubricator | 16 |
| 20080232985 | Vacuum pump - A vacuum pump includes a high-speed rotor, and an anti-friction bearing for rotatably supporting the rotor and including an inner ring, an outer ring, a rolling body, and a cage for the rolling body both the rolling body and the cage being located in an intermediate space defined by the outer and inner rings, with the cage having a threaded groove in a section of its surface adjacent to the inner ring for insuring a continuous feeding of a lubricant to the bearing. | 09-25-2008 |
| 20090129956 | Compressor System and Method of Lubricating the Compressor System - A compressor system comprising a compressor (e.g., rotary screw compressor) a gearbox and a lubrication system for providing lubrication to the compressor and the gearbox is disclosed. The compressor and the gearbox are provided in operational association with one another within a compressor housing. The compressor system further comprises a gear pump for lubricating the gearbox and a compressor oil circuit for lubricating the compressor from a lubricant source within the lubrication system. The lubrication system further includes at least two lubricant feeds, with one feed connecting the gear pump and one feed connecting the compressor oil circuit. Upon activation of the gear pump and/or the compressor oil circuit, lubricant from the lubricant source is encouraged to flow through the associated lubricant feed for distribution to the associated portion of the compressor system. An additional connection line connecting the gear pump and the compressor oil circuit is provided to continuously provide lubrication to associated portions upon the gear pump or the lubricant feed connecting the compressor oil circuit becomes inoperative. | 05-21-2009 |
| 20110081266 | FAN, BEARING AND SLEEVE THEREOF - A bearing includes an axial hole and a plurality of first grooves. The first grooves are formed on the inner wall of the bearing, and extends through the top surface and to the outer wall of the bearing. The lubricant oil originally held in the bearing can be guided to flow around the whole bearing effectively. | 04-07-2011 |
| 20120087816 | COOLING FAN - A cooling fan ( | 04-12-2012 |
| 20120128516 | COMPRESSOR - The present invention relates to a compressor in which a rotary member suspended on a stationary member is rotated to compress the refrigerant. As the rotary member is suspended on a first stationary member and rotatably supported on a second stationary member spaced apart from the first stationary member, components can be easily centered and assembled with the structural stability. In addition, the oil stored in a hermetic container is supplied to a lubrication passage provided between the rotary member and the stationary member. This reduces a friction loss between the components and achieves the operation reliability. Moreover, the oil is easily introduced into a vane mounting hole in which a vane is linearly reciprocated. This reduces the friction and abrasion of the vane and improves the operation reliability. | 05-24-2012 |
| 20120257998 | RUNNER WITH INTEGRAL IMPELLOR PUMP - In aspects, the present disclosure provides an apparatus for handling axial thrust in rotating equipment. The apparatus may include a thrust bearing and a runner having a contact surface engaging the thrust bearing. The runner may include passages extending between the contact surface and an opposing surface of the runner. The apparatus may further include a lock ring assembly that has channels in communication with the passages of the runner. In certain embodiments, one or more cavities may be formed on the contact surface of the runner. The cavities may be in communication with the internal passages of the runner. In aspects, the present disclosure provides a method for handling axial thrust in a pump assembly. The pump assembly may include a thrust bearing assembly that may include a runner having a contact surface engaging a thrust bearing pad. The method may include flowing a lubricating fluid to the contact surface using at least one internal passage formed in runner. | 10-11-2012 |
| 20120328461 | MOTOR PUMP BEARING - A bearing that is used in a motor pump in which a liquid is, not only pumped by means of an impeller driven by the pump, but also is used to lubricate components of the motor pump including the motor pump shaft. The bearing is for supporting the shaft at at least one location of the shaft. The bearing is constructed of a bronze material having added thereto a small amount of graphite, preferably around 2.5%. | 12-27-2012 |
| 20130004351 | FAN - A fan includes a motor and an impeller. The motor includes a stationary portion and a rotating portion rotatably supported by the stationary portion. The stationary portion includes a stator and a bearing portion arranged inside of the stator. The rotating portion includes a rotor magnet arranged radially outside the stator; a shaft inserted in the bearing portion, and having an upper portion fixed to the impeller directly or through one or more members; and a thrust portion arranged axially opposite the bearing portion, and including an annular surface arranged around the shaft. | 01-03-2013 |
| 20130121859 | BEARING APPARATUS AND FAN - A bearing apparatus includes a cylindrical bearing portion; a cap member; a cylindrical holder; a shaft; and a thrust plate. The holder includes an increased diameter portion. The bearing portion includes a plate accommodating portion. An outer circumferential surface of the plate accommodating portion is arranged to have a diameter greater than a diameter of an outer circumferential surface of a portion of the bearing portion which is on an upper side of the plate accommodating portion. The distance between the outer circumferential surface and an inner circumferential surface of the plate accommodating portion is arranged to be smaller than the distance between the outer circumferential surface and an inner circumferential surface of the portion of the bearing portion which is on the upper side of the plate accommodating portion. A thrust dynamic pressure bearing portion is defined in a thrust gap. | 05-16-2013 |
| 20130171016 | OIL-RETAINING BEARING FAN STRUCTURE - An oil-retaining bearing fan structure includes a fan base seat, an oil-retaining bearing and a fan impeller. The fan base seat has a bearing cup on one side. At least one magnetic member is enclosed in the bearing cup. The magnetic member serves to apply a magnetic attraction force to a shaft of the fan structure to make the shaft quickly restore to its optimal operation position so as to reduce wear and lower the noises and vibration of the fan structure in operation. Therefore, the lifetime of the fan structure can be prolonged. | 07-04-2013 |
| 20140056741 | HEATING CIRCULATION PUMP - The heating circulation pump includes a pump housing with a pump impeller which is arranged therein and which is driven by an electric motor whose stator housing includes a flange, which connects to the pump housing. The heating circulation pump includes a terminal box housing for at least the electric connection of the motor. The terminal box housing engages over the stator housing from the side which is away from the pump, to into the region of the flange. | 02-27-2014 |
| 20140161653 | COOLING FAN HAVING BENT BEARING HOUSING FOR RETAINING LUBRICANT - A cooling fan includes a stator, a base supporting the stator, and a rotor positioned to rotate with respect to the stator. The base includes a bearing housing and a central hole defined in the bearing housing. The rotor includes a hub and a shaft extending from the hub. An end of the shaft is fixed in the hub, and another end of the shaft is extending in the central hole defined in the bearing housing. The bearing housing includes a main cylindrical portion and a protruding portion bent radially inward from a top end of the main portion, and the protruding portion thus serves as a lubricant retaining portion of the bearing housing. | 06-12-2014 |
| 20140369869 | ELECTRIC BLOWER - Disclosed herein is an electric blower capable of preventing grease stored in a boss part of a bracket from being leaked and/or evaporated. The electric blower includes: a housing receiving a stator, a rotating shaft, and rotor; a housing cover covering an upper opening part of the housing; and a bracket including a boss part which protrudes vertically upward in a cylindrical shape at a central portion thereof to receive an upper bearing and the rotating shaft and a flange which radially elongates outward from the boss part to be coupled with the housing and rotatably supporting the rotating shaft, wherein the boss part includes a disk-shaped flat upper surface having a shaft hole helping penetration of the rotating shaft, a cylindrical side wall extending downward from an edge of the upper surface, and at least one guide groove formed at a lower portion of the upper surface. | 12-18-2014 |
| 20160153462 | TURBO COMPRESSOR AND TURBO REFRIGERATING MACHINE | 06-02-2016 |
| 20160177962 | CIRCULATING PUMP | 06-23-2016 |
| 20160186778 | FAN - A fan includes an impeller and a metallic base portion. The base portion is arranged to be in thermal contact with a heat source. The impeller includes a resin portion including a plurality of blades, and a metal plate. In addition, the metal plate includes a flat plate portion arranged below the blades. A lower surface of the flat plate portion and an upper surface of the base portion are arranged axially opposite to each other with a gap intervening therebetween. An axial dimension of the gap is arranged to be 200 μm or less at least at a portion of the gap. Heat of the heat source is transferred to the metal plate through radiation from the base portion. Then, an air current produced by the impeller absorbs the heat from the metal plate. The heat generated from the heat source is thus efficiently discharged to an outside. | 06-30-2016 |
