1191results about "Bearing cooling" patented technology

The invention discloses a saw chain guide plate lubricating system which comprises an integrally-formed guide plate body and is characterized in that a driven supporting structure is arranged at one end of the guide plate body, a rotating structure is installed on the driven supporting structure, and a transmission wheel is installed on the rotating structure; a saw chain guide groove is formed in the side face of the guide plate body. The guide plate body and the driven supporting structure are provided with an oil conveying channel, one end of the oil conveying channel is connected with an oil supply unit of the lumbering equipment, and the other end of the oil conveying channel makes contact with the rotating structure. Through the arrangement of the oil conveying channel, the service life of the driven end rotating structure is prolonged, the part, making contact with a tree, of the saw chain can be lubricated, and meanwhile the utilization rate of lubricating oil can be increased.

The invention relates to the technical field of bearings, and discloses a ceramic angular contact ball bearing with high bearing capacity, the ceramic angular contact ball bearing comprises an outer ring, an inner ring, a rolling body, a retainer and an oil storage cavity, the outer ring is of a cylindrical structure, and the inner surface of the outer ring is in contact with the rolling body; the inner ring is positioned inside the outer ring, and the outer surface of the inner ring is contacted with the rolling body; and the rolling bodies are a plurality of spherical ceramic elements which are fixed and separated by the retainer. By optimizing the arrangement mode and material selection of the rolling bodies, the bearing has higher bearing capacity and anti-overturning performance under the high-load condition; the heat dissipation through holes are formed in the retainer, so that the heat dissipation performance of the bearing in the running process is remarkably improved, and the bearing failure risk caused by overheating is reduced; through the design of the oil storage cavity and the oil outlet micropores matched with the oil storage cavity, uniform supply of lubricating oil is achieved, and friction loss between the rolling body and the inner ring and the outer ring is reduced.

The invention discloses an elastic support integrated bearing and squeeze film damper integrated structure with outer ring radial holes. The elastic support integrated bearing and squeeze film damper integrated structure comprises an elastic support integrated outer ring, a bearing inner ring, a retainer, a rolling body, a squeeze film damper, a bearing seat and the like. The elastic support integrated outer ring adopts the integrated design of a squirrel-cage type elastic support and the bearing outer ring, the radial size is reduced, the centering precision is improved, and an oil storage groove and a radial oil hole are formed in the outer side wall of the bearing outer ring of the integrated structure; the extrusion oil film damper is located on the outer side of the elastic support integrated bearing, and an oil film is communicated with a radial oil hole in the bearing outer ring, so that bearing lubrication and the extrusion oil film damper share a lubricating oil path; radial lubricating oil lubrication of the bearing is achieved through the arrangement of the radial oil holes, and the situation that the bearing is damaged due to lack of oil lubrication under the extreme working condition is avoided; meanwhile, the oil storage grooves and the radial oil holes can effectively promote flowing of lubricating oil in an oil film, formation of a dead cavity of the squeeze oil film damper is avoided, and the vibration reduction effect of the squeeze oil film damper is enhanced.

A gyroscopic roll stabilizer includes an enclosure, a flywheel assembly, a bearing, a motor, and a bearing cooling circuit. The enclosure is mounted to a gimbal for rotation about a gimbal axis and configured to maintain a below-ambient pressure. The flywheel assembly includes a flywheel and flywheel shaft. The bearing rotatably mounts the flywheel assembly inside the enclosure for rotation about a flywheel axis. The bearing has an inner race and an outer race. The inner race is rotationally fixed relative to the flywheel shaft, and the outer race is held rotationally fixed relative to the enclosure. The motor is operative to rotate the flywheel assembly. The bearing cooling circuit is configured to transfer heat away from the bearing by recirculating coolant along a closed fluid pathway. The gyroscopic roll stabilizer is configured to transfer heat away from the inner and / or outer race of the bearing to the coolant.

A gyroscopic roll stabilizer includes an enclosure, a flywheel assembly, a bearing, a motor, and a bearing cooling circuit. The enclosure is mounted to a gimbal for rotation about a gimbal axis and configured to maintain a below-ambient pressure. The flywheel assembly includes a flywheel and flywheel shaft. The bearing rotatably mounts the flywheel assembly inside the enclosure for rotation about a flywheel axis. The bearing has an inner race and an outer race. The inner race is rotationally fixed relative to the flywheel shaft, and the outer race is held rotationally fixed relative to the enclosure. The motor is operative to rotate the flywheel assembly. The bearing cooling circuit is configured to transfer heat away from the bearing by recirculating coolant along a closed fluid pathway. The gyroscopic roll stabilizer is configured to transfer heat away from the inner and / or outer race of the bearing to the coolant.

The utility model belongs to the technical field of guide rails, and relates to a high-temperature-resistant linear rolling guide rail structure. The guide rail comprises a guide rail body, and ball fixing sliding blocks are arranged on the two sides of the guide rail body. In the using process, the ball fixing sliding block is in rolling fit with the guide rail body through the ball piece, and when the ball fixing sliding block moves along the track of the guide rail body front and back, external air can enter the ball fixing sliding block through the air inlet type alignment heat dissipation communication assembly and the auxiliary air inlet part; the air inlet and outlet cooling structures are additionally arranged, air is fed into the ball pieces which continuously operate, the ball pieces and the contact face, matched with the ball pieces, of the guide rail body are rapidly cooled, a part of heat can be discharged from the bottom of the guide rail body through the inner side heat removal and dissipation structures, and the auxiliary heat dissipation effect is achieved; rapid heat dissipation can be achieved in the running process of the linear guide rail, the high-temperature resistance of the guide rail is improved, and the service life of the rail is prolonged.

The invention relates to a dynamic and static pressure mixed gas radial bearing, and belongs to the technical field of air bearings. The shaft sleeve is sleeved with the bearing seat, a limiting part is arranged outside the shaft sleeve, and a limiting groove is correspondingly formed in the inner wall of the bearing seat; in the radial direction, the bump foil assemblies are arranged between the shaft sleeve and the bearing seat, and in the circumferential direction, the bump foil assemblies are arranged between the limiting parts at intervals; a plurality of first air inlet holes are formed in the bottom of the limiting groove, a plurality of second air inlet holes are formed in the limiting part, and the first air inlet holes correspond to the second air inlet holes in position. According to the design, the integrity of the bump foil assembly can be guaranteed, the structure is simple, machining is convenient, and mounting and dismounting are more convenient. When the speed of the rotor is low, the static pressure gas forms a gas film, and the bearing capacity of the dynamic and static pressure mixed gas radial bearing is enhanced. When the rotating speed of the rotor is high, dynamic pressure can be generated on the basis of static pressure, and the dynamic pressure and static pressure mixed gas radial bearing has larger bearing capacity due to superposition of the dynamic pressure and the static pressure.

A hydrostatic gas bearing is provided that is configured to remove humidity by heat exchanging, including a bearing seat, a rotary shaft, an annular throttling component, and a plurality of heat exchanging tubes. A cavity is provided inside the bearing seat and an inlet pipe is provided on an outer surface of the bearing seat. The annular throttling component is sleeved on the outside of the rotary shaft with a first gap provided between the annular throttling component and the rotary shaft. The first gap goes through the bearing seat to form an exhaust channel therein, and the annular throttling component is configured to throttle and cool a working medium. The plurality of heat exchanging tubes are provided in the annular throttling component, with heat exchanging medium flowing therein, which is configured to heat and vaporize a part of an in-liquid phase in a cooled portion of the working medium.

The invention relates to the technical field of bearing pedestals, and discloses a sliding bearing pedestal which comprises a lower outer ring, an upper outer ring, a lower bearing bush and an upper bearing bush, a cooling pipe is arranged in a containing groove, the outer surface of a turbulent flow shaft is fixedly sleeved with a plurality of turbulent flow blades, and the end, located in a turbulent flow box, of a movable rod is fixedly connected with a rack. The outer surface of the transmission shaft is fixedly sleeved with a transmission gear, one side of the connecting plate is fixedly connected with a triangular block, and the outer surface of the upper bearing bush is fixedly connected with a shifting rod. When the upper bearing bush rotates, a shifting rod is driven to be matched with a triangular block, extrude a connecting plate and enable a rack to move, and is matched with a transmission gear, a driving bevel gear and a driven bevel gear, so that a turbulent flow shaft drives turbulent flow blades to rotate to turbulent flow cooling water in the cooling pipe, and the heat exchange speed between the cooling water in the cooling pipe is increased; the cooling water is fully subjected to heat exchange with heat generated when the bearing seat works, so that the heat exchange efficiency is greatly improved.

The static pressure rotary table device comprises a static pressure rotary table body and an oil supply assembly, the oil supply assembly comprises an oil pump, an oil tank, an oil inlet pipe and an oil outlet pipe, the oil pump is suitable for guiding oil in the oil tank into the static pressure rotary table body through the oil inlet pipe, and then an oil film for supporting is formed; the oil outlet pipe is suitable for discharging oil in the static pressure rotary table main body, the two oil inlet filtering parts are connected with the oil inlet pipe, the oil inlet filtering parts are suitable for filtering oil entering the static pressure rotary table main body, driving assemblies and oil inlet filtering nets are arranged in the oil inlet filtering parts, and the oil inlet filtering nets are connected with the oil outlet pipe. The driving assembly is connected with the oil inlet filter screen so as to be suitable for driving the oil inlet filter screen to rotate, then centrifugal force is generated to separate impurities attached to the oil inlet filter screen, different filter assemblies are arranged for an oil inlet part and an oil outlet part respectively, differential self-cleaning treatment is carried out according to different impurity contents, and the filter efficiency is improved.

The invention discloses a driven mechanism for a wafer cleaning device and the wafer cleaning device, and the driven mechanism comprises a base which is hollow and forms a mounting cavity; the rotating shaft is rotatably connected to the mounting cavity through a rotating transmission assembly, and the first end of the rotating shaft extends out of the base; the wafer bearing unit is concentrically and coaxially connected to the rotating shaft and is used for bearing a wafer; the structural part is in sealed connection with the base, and part of the structural part extends into the mounting cavity and can abut against the rotary transmission assembly; the sensor assembly is partially connected with the rotating shaft and used for monitoring the number of turns of rotation of the rotating shaft relative to the base; the wafer rotates to drive the wafer bearing unit to rotate, and the rotating shaft rotates synchronously to drive the sensor assembly to rotate so as to monitor the number of revolutions of the wafer. The wafer rotates to drive the wafer bearing unit to rotate, the rotating shaft rotates synchronously and is matched with the sensor assembly to monitor the rotating speed of the wafer, the mass and torque of the rotating shaft are small, the rotational inertia of the rotating shaft and the wafer bearing unit is reduced, monitoring of the rotating speed of the wafer is more accurate, and the cleaning effect is better.

The high-strength low-friction retainer formed through high-pressure casting comprises a retainer body, the retainer body comprises two arc-shaped sections and a plurality of window beams connected with the two arc-shaped sections, window holes for containing rolling bodies are formed between the adjacent window beams, and the sides, away from the window holes, of the window beams located at the two ends of the retainer body are provided with inward concave faces. And the inner concave surfaces of the two adjacent retainer main bodies are oppositely arranged to form an oil accommodating gap, so that the oil storage space in the bearing is obviously increased. According to the retainer, sufficient lubricating oil is guaranteed between the rolling body and the retainer main bodies and between the retainer main bodies, more effective heat dissipation is further facilitated, the design of the inner concave faces reduces the direct contact area between the adjacent retainer main bodies compared with a straight face, and therefore friction and abrasion between the retainer main bodies are reduced, and the service life of the retainer main bodies is prolonged. And the overall performance and stability of the bearing are improved.

A gyroscopic roll stabilizer includes an enclosure, a flywheel assembly, a bearing, a motor, and a bearing cooling circuit. The enclosure is mounted to a gimbal for rotation about a gimbal axis and configured to maintain a below-ambient pressure. The flywheel assembly includes a flywheel and flywheel shaft. The bearing rotatably mounts the flywheel assembly inside the enclosure for rotation about a flywheel axis. The bearing has an inner race and an outer race. The inner race is rotationally fixed relative to the flywheel shaft, and the outer race is held rotationally fixed relative to the enclosure. The motor is operative to rotate the flywheel assembly. The bearing cooling circuit is configured to transfer heat away from the bearing by recirculating coolant along a closed fluid pathway. The gyroscopic roll stabilizer is configured to transfer heat away from the inner and / or outer race of the bearing to the coolant.

An ultrahigh-temperature-resistant full ball bearing comprises a bearing outer ring, a bearing inner ring and a roller, the roller is spherical and is arranged in a roller path in a full complement mode, and the bearing outer ring, the bearing inner ring and the roller are all made of carbon fiber reinforced ceramic matrix composite materials. The design method comprises the following steps: S1, determining the inner diameter d, the outer diameter D and the width B of the bearing; and S2, determining an inner groove curvature radius coefficient fi and an outer groove curvature radius coefficient fe of the bearing based on a principle of reducing the working contact stress of the bearing and prolonging the fatigue relieving life of the bearing. And S3, the value ranges of the roller diameter DW, the center diameter DWP and the roller number Z of the bearing are determined. And S4, optimizing and determining the roller diameter DW, the center diameter DWP and the roller number Z of the bearing by taking the principle of obtaining the maximum radial basic rated static load. By applying the high-temperature-resistant bearing, the technical problems that an existing bearing loses efficacy quickly due to high temperature and insufficient lubrication in a high-temperature environment for a long time, and a bearing made of a ceramic material is low in fracture toughness and thermal shock resistance can be solved.

The utility model provides a magnetic suspension rotating machine. The magnetic suspension rotating machine comprises a magnetic suspension bearing, a motor stator and a rotor, the thrust disc is arranged between the first axial stator and the second axial stator, thrust disc ventilation holes are formed in the thrust disc in a penetrating mode from one axial end face to the other axial end face of the thrust disc, the first axial stator comprises a first radial outer side portion and a first radial inner side portion, and the first radial outer side portion and the first radial inner side portion are arranged in the radial direction of the first axial stator in a spaced mode. A first coil groove is formed between the first thrust disc air inlet hole and the second thrust disc air inlet hole, a first coil is arranged in the first coil groove, one end, located on one axial end face of the thrust disc, of the first thrust disc air inlet hole is opposite to the first coil groove in the axial direction, and the motor rotor flow channel and the motor stator flow channel can both communicate with the first bearing stator ventilation hole; the first thrust disc air inlet hole is not opposite to the magnetic pole position of the first axial stator. According to the magnetic suspension bearing, heat dissipation and cooling of the magnetic suspension bearing are improved, meanwhile, influence on a magnetic suspension magnetic circuit can be avoided, and enough magnetic suspension supporting force is guaranteed.

A gyroscopic roll stabilizer for a boat includes an enclosure mounted to a gimbal for rotation about a gimbal axis and configured to maintain a below-ambient pressure, and a flywheel assembly including a flywheel and flywheel shaft, with the flywheel assembly rotatably mounted inside the enclosure for rotation about a flywheel axis. The gyroscopic roll stabilizer also includes a motor operative to rotate the flywheel assembly and mounted in a boss that is integrally formed in the enclosure. A motor cooling circuit is configured to transfer heat away from the motor. The motor cooling circuit has a closed fluid pathway for recirculating cooling fluid therein. The fluid pathway extends through the boss so that the cooling fluid circulates through the boss around the motor. The gyroscopic roll stabilizer is configured to transfer heat away from the motor to the cooling fluid. Related methods are also disclosed.

A gyroscopic roll stabilizer comprises a gimbal having a support frame and enclosure configured to maintain a below-ambient pressure, a flywheel assembly including a flywheel and flywheel shaft, one or more bearings for rotatably mounting the flywheel inside the enclosure, a motor for rotating the flywheel, and bearing cooling system for cooling the bearings supporting the flywheel. For smaller units, the bearing cooling system is effective to enable a flywheel with a moment of inertia less than 40,000 lb in2 to be accelerated at a rate of 5 rpm / s or greater. For larger units, the bearing cooling system is effective to enable a flywheel with a moment of inertia greater than 40,000 lb in2 to be accelerated at a rate of 2.5 rpm / s or greater.

A bearing and flywheel system can include a first bearing portion having an opening of a first dimension there through and a central longitudinal axis, a second bearing portion having a second dimension, the second dimension being smaller than the first dimension, and a flywheel coupled to the second bearing portion. The bearing portions can include high-temperature superconductor(s) and / or magnets. The second bearing portion can be disposed at least partially within the opening through the first bearing portion. A gap can exist between an outer surface of the second bearing portion and an inner surface of the first bearing portion. The second bearing portion can be configured to rotate relative to the first bearing portion.

The invention relates to the technical field of bearing structures, and discloses a lightweight thin-wall crossed roller bearing for a high-precision industrial robot, the lightweight thin-wall crossed roller bearing comprises a mounting seat, an outer ring, an inner ring and a crossed roller set, the outer ring is fixed in the mounting seat, the inner wall of the outer ring is provided with a first V-shaped channel, the outer wall of the inner ring is provided with a second V-shaped channel, and the crossed roller set is fixed in the mounting seat; the first V-shaped channel and the second V-shaped channel are combined to form a roller path for accommodating the crossed roller group, and a sealing ring is arranged at an annular gap between the two end surfaces of the outer ring and the inner ring; the lubricating assembly comprises a valve cavity formed in the outer ring, a lubricating flow channel communicating with the valve cavity and a distributor located at an outlet of the lubricating flow channel, and a valve element is arranged in the valve cavity. By arranging the lubricating assembly, lubricating oil can be supplied to the crossed roller set in a self-adaptive mode according to the working temperature of the bearing, the surface of the crossed roller set is evenly covered with the seepage holes in the distributor in an infiltration mode, and an oil film is formed to achieve lubrication and heat dissipation.

The invention discloses a non-contact mechanical sealing device for a rolling bearing, and relates to the technical field of non-contact sealing, the non-contact mechanical sealing device comprises a sealing end shell, a mounting flange, a connecting end shell and a rotating shaft, the sealing end shell is internally provided with a sealing mechanism for realizing sealing of a connecting structure of the sealing end shell and the rotating shaft; a lubricating mechanism for promoting liquid in the sealing end shell to flow back and forth is arranged on the side face of the sealing mechanism. An outer liquid sealing mechanism used for supplementing lubricating oil in the sealing end shell in real time is installed on the front side of the sealing end shell, and a liquid conveying port is formed in the outer surface of the outer liquid sealing mechanism. The sealing mechanism comprises an inner sealing ring, an annular sealing structure is additionally arranged at the joint of the side face of the sealing end shell and the rotating shaft through the side sealing ring groove and the side wedge ring, a multi-stage sealing defense line is formed by the annular sealing structure and a main sealing interface, and the overall sealing reliability between the inner wall of the sealing end shell and the rotating shaft in the axial direction and the radial direction is further improved.

Disclosed is a support frame of a CT imaging system, including: a connection flat plate portion; a support body portion disposed on the connection flat plate portion; an X-ray source installation reference portion disposed on the connection flat plate portion; an electrical installation portion; a cooling component installation portion; and a through hole, wherein the through hole is surrounded by the support body portion, the X-ray source installation reference portion, the electrical installation portion and the cooling component installation portion, and the through hole penetrates the connection flat plate portion. The connection flat plate portion, the support body portion, the X-ray source installation reference portion, the electrical installation portion and the cooling component installation portion are integrally formed.

The utility model discloses a built-in circulating water jacket joint for cooling a bearing of a reduction furnace, which comprises an air outlet end cover rotating along with a rotary drum in the reduction furnace, an air outlet pipeline penetrating through the air outlet end cover from inside to outside and extending out, and a water cooling sleeve with two closed ends, the water cooling sleeve is fixedly sleeved between the air pipeline and the inner ring of the bearing and used for cooling the air outlet pipeline and the bearing, and a water inlet and a water outlet are correspondingly formed in the two opposite sides of the outer end of the water cooling sleeve respectively. The bearing cooling device is simple in structure, the air outlet pipeline and the bearing can be effectively cooled, an existing external spraying mode is replaced for cooling the bearing, the problem that the bearing is abnormally stuck due to heating is solved, meanwhile, the negative effects of inconvenient field management and poor environment cannot be generated, and the service life of the bearing is prolonged. And the service life of the bearing in a high-temperature gas environment is prolonged.

The invention belongs to the field of rotating machinery bearing engineering and magnetic circuit design, and discloses a bearing bush and magnetic circuit integrated structure with radial and axial composite vortex suppression slots. The partition magnetic conduction embedded blocks are embedded into the bearing bush body in an annular multi-sector array and are symmetrically arranged between the left end face and the right end face of the bearing bush body in the axial direction; the vortex suppression slits are arranged at equal intervals along the circumferential direction of the bearing bush body; the partition water paths are respectively arranged on the back sides of the partition magnetic guide embedded blocks; the compliant thin-wall area is a liquid film area arranged between the bearing bush body and the partitioned magnetic conduction insert block; the magnetic flux gathering windows are magnetic path areas with small magnetic resistance in the bearing bush body, and each partition magnetic conduction embedded block correspondingly forms one magnetic flux gathering window and is distributed in the bearing bush body on the back side of the partition magnetic conduction embedded block. The adjustable shielding sheet is parallel to the surface of the bearing bush body and arranged in the axial center area of the bearing bush body.

The present invention relates to the technical field of bearing seats, and discloses a porous heat-dissipating bearing seat, which includes an upper housing, a lower housing, and a bearing. The upper housing and the lower housing form the main body of the bearing seat, and the bearing is arranged in the main body of the bearing seat formed by the upper housing and the lower housing. A heat-dissipating mechanism is arranged on the upper housing and the lower housing; the heat-dissipating mechanism includes a sealing ring, a liquid inlet pipe, a liquid outlet pipe, a cavity, and a rib. By opening a cavity for storing a coolant, the coolant is used to directly contact the bearing to quickly dissipate heat from the bearing. A heat conducting sheet is provided for heat exchange with the coolant. After the coolant is heated, the heat is exchanged from the heat conducting sheet to the heat sink, and the heat sink with a larger area is used for heat exchange with the air. In a space where the air flow is slow, the coolant is added into the cavity through the liquid inlet pipe, and the coolant is discharged from the liquid outlet pipe to realize the replacement of the coolant in the cavity, thereby ensuring the heat dissipation of the bearing.

The utility model discloses a medium-large size bearing seat system for a ball mill, and belongs to the technical field of ball mill bearing seats. Comprising a bearing seat body, a bearing mounting hole is formed in the bearing seat body, a sealing end cover is arranged on the rear side of the bearing mounting hole, an oil inlet communicated with the bearing mounting hole is formed in the sealing end cover, a bearing seat oil chamber is formed in the bottom of the bearing seat body, and an engine oil circulating hole communicated with the bearing seat oil chamber is formed in the bottom of the bearing mounting hole. The engine oil liquid level in the bearing seat oil chamber is higher than the top face of a bearing bottom steel column in the bearing mounting hole, an iron remover is arranged in the bearing seat oil chamber, and the oil inlet is communicated with the bearing seat oil chamber through an engine oil circulating cooling assembly located outside the bearing seat body. According to the bearing seat system, the bearings are effectively cooled and lubricated through the lubricating oil supplied in a circulating mode, and the service life of the middle and large bearings is effectively prolonged.

The invention discloses a piezoelectric ceramic-based self-lubricating rolling composite structure guide pillar and guide sleeve device, which comprises a guide pillar assembly, a sliding sleeve assembly, a locking assembly and a guide sleeve main body, the guide pillar assembly comprises a guide pillar main body, the outer side of one end of the guide pillar main body is sleeved with a reset spring, and the end of the guide pillar main body is internally sleeved with an end cover; a bolt which is in threaded connection with the guide pillar main body is arranged in the end cover; the sliding sleeve assembly comprises a first C-shaped lubricating sleeve body, a limiting strip and a second C-shaped lubricating sleeve body which are sequentially arranged in the axial direction, one end of the first C-shaped lubricating sleeve body is connected with the reset spring in an attached mode, and the other end of the first C-shaped lubricating sleeve body is connected with the limiting strip in an attached mode. The inner side of the limiting strip is fixedly connected with the guide column main body, and the other side of the limiting strip is connected with the second C-shaped lubricating sleeve body in an attached mode. Three technical bottlenecks of lubrication failure, heat accumulation and maintenance difficulty of a traditional guide column and guide sleeve are systematically solved through cooperation of three technologies of rolling and sliding composite lubrication, modular locking and phase change active heat dissipation; and the reliability and the economical efficiency of the equipment are obviously improved.

A ram air journal bearing shaft includes an additively manufactured body having a main body portion and a journal bearing portion. The main body portion and the journal bearing portion are coaxial along a first axis. The additively manufactured body includes at least a first set of regions additively manufactured using a first material and a second set of regions additively manufactured using a second material. At least a first set of heat exchanger fins extends from an outer diameter of the ram air journal bearing shaft to an inner diameter tie rod passage. Each heat exchanger fin in the first set of heat exchanger fins is additively manufactured as an integral structure to the additively manufactured body. A set of cooling air passages are disposed circumferentially about the first axis. Each cooling air passage is defined between adjacent heat exchanger fins of the first set of heat exchanger fins and the ram air journal bearing shaft is configured such that a cooling flowpath through the cooling air passages is established.

The invention belongs to the technical field of mechanical parts, and particularly relates to an embedded self-powered intelligent bearing which comprises a bearing outer ring, a bearing inner ring, a retainer and a plurality of rollers, the rollers are located in a raceway between the bearing inner ring and the bearing outer ring, the retainer is installed between the rollers, and the embedded self-powered intelligent bearing is characterized by further comprising a plurality of magnets, the magnet is fixed on the retainer between the rollers, a mounting cavity is formed in the roller, a plurality of turns of coils, a circuit board and a vibration sensor connected to the input end of the circuit board are arranged in the mounting cavity, the circuit board is in wireless communication connection with an external upper computer, and the coils are connected to the circuit board. Magnetic induction lines generated when the coil cuts the magnet supply power to the circuit board. The coil is arranged in the roller, the relative motion between the magnet and the coil can cut magnetic induction lines to the maximum extent, strong electromotive force is generated, and the energy conversion efficiency is improved; and meanwhile, the vibration sensor is arranged in the roller, so that the environmental interference is reduced, and the detection precision is improved.

The invention provides a magnetic suspension radial hybrid bearing, a magnetic suspension motor and a magnetic suspension rotating machinery, the bearing comprises a bearing seat and a radial magnetic suspension assembly, the radial magnetic suspension assembly is assembled in a bearing chamber, the radial magnetic suspension assembly comprises an iron core assembly, a permanent magnet and a magnetic conductive radial ring, and the iron core assembly comprises a bearing iron core. The magnetic conductive radial ring is fixedly connected to the radial peripheral wall of the bearing iron core and used for forming a magnetic circuit of the permanent magnet, the magnetic conductive radial ring is further fixedly connected with the bearing seat, a plurality of first heat dissipation air channels are formed in the magnetic conductive radial ring, and cooling airflow can flow in from one side ports of the first heat dissipation air channels and flow out from the other side ports of the first heat dissipation air channels. According to the invention, the first heat dissipation air ducts are arranged on the magnetic conductive radial ring, so that the arrangement positions, the arrangement number and the through-flow area of the first heat dissipation air ducts are not limited by the structure of the bearing iron core any more, the winding groove fullness rate of the control winding can be higher, and the working performance of the bearing can be improved while efficient air cooling of the bearing is ensured.

The invention discloses an organic working medium turbine axial force supporting component which comprises a hydraulic thrust disc, thrust pads, oil sprayers, a thrust base ring and a clamping ring, the multiple thrust pads are evenly distributed in the circumferential direction and supported on the thrust base ring through protruding edges at the bottoms of the thrust pads, and the oil sprayers are fastened to the thrust base ring and located between the thrust pads. A plurality of middle oil injection holes for supplying lubricating oil to the middles of the pads are formed in the top of the oil injector in the radial direction, inclined planes are arranged on the two sides of the oil injector, outer inclined plane oil injection holes and inner inclined plane oil injection holes for supplying cooling oil are formed in the inclined planes, end discharge grooves are formed in the positions, close to the inner diameter, of the thrust pads, and oil blocking dams are formed between the end discharge grooves and the inner diameter of the thrust pads in the radial direction. And the end discharge chute is communicated with a cooling hole arranged in the thrust pad. The stirring loss of lubricating oil gathered between the inner diameter of the thrust pad and the rotating shaft is avoided, the high-temperature area of the thrust pad is cooled through low-temperature lubricating oil discharged along the inner diameter end of the thrust pad, and the bearing capacity of the axial force supporting component of the organic working medium turbine is improved.