30 results about "Fluid bearing" patented technology

A generator includes a housing that defines a housing region and a fluid passage that forms a portion of a fluid circuit and includes an outlet in fluid communication with the housing region, a pump configured to convey fluid along the fluid passage, a bearing disposed about the pump, an alternator having a stator and a rotor disposed within the housing region, and a hub configured to receive torque for rotation about an axis. The hub is coupled with the rotor, such that rotation of the hub about the axis drives rotation of the rotor about the axis, and is coupled with the pump, such that rotation of the hub about the axis operates the pump. The hub defines an interior volume and comprises a bearing carrier engaged with the bearing, such that the bearing supports and facilitates rotation of the bearing carrier relative to a portion of the pump.

The invention relates to an axial fluid bearing point (24) with two axial foil bearing arrangements, each comprising at least one bearing foil (26), which are radially assigned within a housing circumferential surface of a receiving space to two axially opposite housing end faces of two housing bodies. To optimize the axial fluid bearing point (24), the axial foil bearing arrangements are held at an axial distance from each other by means of at least one guide and / or retaining geometry provided on a cover foil of the respective axial foil bearing arrangement.

The invention relates to an axial fluid bearing part (24) having two axial foil bearing assemblies, each having at least one bearing foil (26), which are assigned to two axially opposite housing end faces of two housing bodies radially in a housing circumferential surface of a receiving space. In order to optimize the axial fluid bearing portion (24), the axial foil bearing assemblies are each held at an axial distance from one another by means of at least one guide and / or holding geometry provided on the cover foil of the respective axial foil bearing assembly.

The invention relates to an axial fluid bearing point (24) with two axial foil bearing arrangements, each comprising at least one bearing foil, which are radially assigned within a housing circumferential surface of a receiving space to two axially opposite housing end faces of two housing bodies. To optimize the axial fluid bearing point (24), the axial foil bearing arrangements are held in a rotationally secure manner at an axial distance from each other by means of at least one guide and / or holding geometry, which is combined with an anti-rotation device.

An apparatus and method for enhancing mass-transfer rate of reactive species. The apparatus includes an optically transparent stator, a rotor, a pressurized fluid bearing, and a microfluidic channel. The rotor includes a target. The pressurized fluid bearing acts on the target. The pressurized fluid bearing maintains a height of the microfluidic channel. The microfluidic channel is positioned between the optically transparent stator and a reactive surface of the target.

The method for manufacturing an optical fiber includes drawing a bare optical fiber from an optical fiber preform along a drawing path, and further includes, during the drawing step, moving a first fluid bearing from a first position to a second position, where the first position is positioned off the drawing path and the second position is positioned within the drawing path, such that moving the first fluid bearing to the second position changes the direction of at least a first segment of the drawing path.

The utility model provides a magnetic fluid bearing box secondary protection magnetic drive pump belongs to the technical field of magnetic drive pump, including the pump body, the one end fixed mounting of pump body has the pump cover, the back surface fixed connection of pump cover has the double -layer isolation bushing. The utility model discloses a pressure sealed cavity that double -layer isolation bushing, sealing bracket and magnetic fluid bearing box constitute, cooperate multistage monitoring system of first pressure transmitter and second pressure transmitter, realized secondary protection when magnetic drive pump leak: when the inner layer of double -layer isolation bushing leaks, and first pressure transmitter alarms, but equipment still can safe operation, realizes secondary protection through second pressure transmitter when complete failure, all contact medium's sealing bracket, outer magnetic rotor and magnetic fluid bearing box all adopt corrosion -resistant material, ensure long -term reliability, and the structure design is simple and efficient, and the water -cooling jacket of magnetic fluid bearing box equipment makes it have wide applicable temperature range, can adapt to various magnetic drive pump type.

A turbine engine is provided. The gas turbine engine defines a radial direction and includes: a rotor; a stator comprising a carrier; a seal assembly disposed between the rotor and the stator, the seal assembly comprising a seal segment, the seal segment having a seal face configured to form a fluid bearing with the rotor; and a seal support assembly, the seal support assembly including a magnet assembly having a magnet coupled to the carrier or the seal segment for biasing the first seal segment along the radial direction.

The invention relates to an axial fluid bearing point (24) with two axial foil bearing arrangements, each comprising at least one bearing foil, which are radially assigned within a housing circumferential surface of a receiving space to two axially opposite housing end faces of two housing bodies. To optimize the axial fluid bearing point (24), the axial foil bearing arrangements are held at an axial distance from each other by means of at least one guide and / or retaining geometry.

The invention provides a controllable rotary lifting load platform device, which comprises a vacuum chamber, a lifting platform and a lifting platform, the load platform is located in the vacuum chamber; the outer supporting shaft penetrates through the mounting hole, and the outer supporting shaft is provided with a hollow cavity; the inner supporting shaft penetrates through the hollow cavity and is connected with the load platform; a magnetofluid bearing is arranged on the rack, the lower end of the outer supporting shaft is arranged on the upper end face of the magnetofluid bearing, the lower end of the inner supporting shaft is connected with a driving device through the magnetofluid bearing, the driving device drives the inner supporting shaft to rotate, and the rack is fixed to a guide rail capable of ascending and descending. According to the controllable rotary lifting load platform device, the requirement for stable lifting and rotating of the load platform in the vacuum environment can be met, the sealing performance of an equipment container is also guaranteed, and meanwhile the phenomenon that when lifting and rotating are achieved through a shaft sleeve, bending is caused to be stuck due to the fact that the bending moment is too large under asymmetric loads is avoided.

A fluid bearing arrangement (9) comprises a first member (10), a second member (20), a pressurized-fluid source connection (31) and a fluid distribution channel network (32) The second member is arranged movable relative to the first member in a predetermined motion direction (40). A first side (11) of the first member have protrusions (13) facing a first side (21) of the second member. A distance (d) between the protrusions and the first side of the second member is smaller than an average distance (D). The first side protrusions encircle a first side first and second area (15, 16). The fluid distribution channel network connects the pressurized-fluid source connection to a respective pocket (42) of the first side first and second areas by means of connection channels (38), comprising a respective flow restriction (34). A mean offset of the first side first and second areas, transverse to the predetermined motion direction.

The invention discloses a method for carrying goods through fluid for transportation, which has the effect that the previous scheme does not have, and solves the problem that artificial water is difficult to bear transportation responsibilities at different altitudes. On one hand, the water surface is closed, the drainage process is hindered, and the cargo loading capacity of fluid is enhanced. And on the other hand, the water tanks are additionally arranged on the two sides, floating is achieved through water pressure, all resistance is overcome to do work at the initial step that cargoes enter the water channel, and mechanical loss of energy in subsequent steps is avoided.

The invention relates to an axial fluid bearing point (24) with two axial foil bearing arrangements, each comprising at least one bearing foil, which are radially arranged within a housing circumferential surface of a receiving space and assigned to two axially opposite housing end faces of two housing bodies. To optimize the axial fluid bearing point (24), the two housing bodies are designed in a pot-like shape, each with a housing end face and each with a partial housing circumferential surface, wherein in each of the two pot-like housing bodies one of the axial foil bearing arrangements is held axially on the respective housing end face by means of at least one guide and / or retaining geometry.

A turbine engine is provided. The turbine engine includes: a rotor; a stator having a carrier; a seal support assembly coupled to the carrier; and a seal assembly disposed between the rotor and the stator and supported by the seal support assembly, the seal assembly defining a high pressure side and a low pressure side and including a plurality of seal segments, the plurality of seal segments having a first seal segment, the first seal segment having a seal face configured to form a fluid bearing with the rotor, a lip assembly, and a body, the lip assembly positioned on the high pressure side, the lip assembly including a seal lip having a high pressure surface defining a first angle with an axial direction and a low pressure surface defining a second angle with the axial direction, the second angle being greater than the first angle.

The invention relates to a high-rotating-speed output motor, which belongs to the technical field of motors and comprises a sealing shell, an air exhaust joint is arranged on the sealing shell, a magnetofluid bearing is arranged at the extending end of a rotating shaft of the sealing shell, and a driving assembly for driving the rotating shaft to rotate is arranged in the sealing shell. According to the invention, the effect of reducing the windmill loss during the operation of the motor is realized.

Linear drive and guide bearing (1) for performing a relative linear movement of two machine components (5, 10), with - at least one linear motor (27) having at least one magnet (15) arranged on one of the machine components (5) and at least one coil (25) arranged on the other machine component (10) and operatively connected to the at least one magnet (15), wherein the at least one magnet (15) and the at least one coil (25) are configured to exert a mutual attraction force and at least a temporary relative movement towards each other, - at least one hydrostatic fluid bearing (30-1, 30-3) arranged on one of the two machine components (10) and operatively connected to the other machine component (5), wherein the hydrostatic fluid bearing (30-1, 30-3) exerts a repulsive force in the opposite direction to the attractive force, - wherein the two machine components (5, 10) each have a first virtual, mutually parallel plane (E1, E2) in which the linear motor (27) and the hydrostatic fluid bearing (30-1, 30-3) extend, forming a first bearing gap (H1), characterized in that - a second virtual plane (E3) inclined, preferably orthogonal, to the respective first virtual plane (E1, E2), in which at least one linear guide means (60) is formed, is provided, and - the first bearing gap (H1) formed between the two machine components (5, 10) has a height greater than 0 µm and less than or equal to 10 µm.

A closure system comprising a closure element (110) for closing a process chamber (12), a process tool assembly (140) which can be inserted into the process chamber through an opening (122) of the closure element (110) for processing in the process chamber, with which the opening (122) in the closure element (110) can be closed in the inserted state, and a control (170) for causing a movement of the process tool assembly (140) in conjunction with a movement of the closure element (110) when the process chamber (12) is closed and when the process tool assembly (140) is partially inserted through the opening (122) of the closure element (110), wherein the process tool assembly (140) and the closure element (110) are coupled by a fluid bearing (1350).

A heating, ventilation, air conditioning, and refrigeration (HVAC&R) system includes a compressor configured to circulate a working fluid along a working fluid circuit, a bearing disposed around a shaft of the compressor, and a fluid supply system configured to direct a portion of the working fluid from the working fluid circuit to the bearing, the bearing configured to discharge the portion of the working fluid toward the shaft.

This invention discloses a multi-media adaptable hydrostatic-dynamic coupling fluid suspension bearing assembly, system, rotating machinery, and operating method, belonging to the field of fluid suspension support technology. The bearing assembly includes a bearing body and a bearing housing forming a constant pressure fluid chamber. The working surface has axially arranged annular static pressure grooves and circumferentially distributed helical dynamic pressure grooves. At the intersection of their projections, fluid inlet micro-holes connecting to the constant pressure chamber are provided, forming a distributed matrix throttling network. The fluid inlet micro-holes include three forms: equal-diameter channels, classic Venturi, and simplified Venturi, flexibly adapting to conventional liquids, gas-liquid two-phase flows, and conventional gases. The bearing body has composite sealing components at both ends and an optional cooling system. This invention achieves multi-media compatible support through a unified core geometric framework and a mass-parameter adaptation system. Furthermore, the distributed micro-hole matrix and grid channel topology endow the bearing with parallel fault tolerance and passive flow pattern adjustment capabilities, significantly improving the bearing's adaptability to various operating conditions.

A turbine engine is provided. The turbine engine includes: a rotor; a stator having a carrier; a seal support assembly coupled to the carrier; and a seal assembly disposed between the rotor and the stator and supported by the seal support assembly, the seal assembly defining a high pressure side and a low pressure side and including a plurality of seal segments, the plurality of seal segments having a first seal segment, the first seal segment having a seal face configured to form a fluid bearing with the rotor, a lip assembly, and a body, the lip assembly positioned on the high pressure side, the lip assembly including a seal lip having a high pressure surface defining a first angle with an axial direction and a low pressure surface defining a second angle with the axial direction, the second angle being greater than the first angle.

The present invention relates to an electric machine in the form of an air compressor (1) with a cylindrical housing (2), wherein the housing (2) comprises at least one bearing plate (6) and a fluid bearing arrangement (8) with a rotatably mounted rotor (10) and at least one fluid radial bearing and / or fluid axial bearing (12, 12n), wherein the housing (2) and / or the at least one bearing plate (6) have at least one area of ​​reduced wall thickness (14) positioned such that an elastic zone (16) is formed around the at least one fluid radial bearing and / or fluid axial bearing (12, 12n) to compensate for vibrations. The invention further relates to a method for producing at least one area of ​​reduced wall thickness (14) and a method for adapting the elastic zone (16) to a simulated and / or measured required elasticity of the at least one fluid radial bearing and / or fluid axial bearing (12, 12n).The invention further relates to the use of the electric machine in the form of the air compressor (1) and the methods for compensating for manufacturing and / or assembly tolerances.

A turbine engine is provided. The gas turbine engine defines a radial direction, and includes: a rotor; a stator comprising a carrier; a seal assembly disposed between the rotor and the stator, the seal assembly comprising a seal segment having a seal face forming a fluid bearing with the rotor; and a seal support assembly comprising a torsional spring extension extending from the carrier, from the seal segment, or both, to bias the seal segment along the radial direction.

A turbomachine includes a housing, a rotating pack housed within the housing, and a fluid bearing system having thrust members. The turbine also includes a compressor stage configured to receive fluid from the region within the housing. Further, the turbine includes a sealing plate of the housing. The sealing plate includes a first face portion and a second face portion. The first face has a flow surface that at least partially defines a fluid flow path toward the compressor wheel. The second face has a thrust member support surface configured to support the thrust member during rotation of the rotating set. The seal plate includes an aperture fluidly connecting the region to the fluid flow path.

The application discloses a torsional damping bearing, a photovoltaic tracking support and a photovoltaic system, wherein the torsional damping bearing comprises a bearing outer ring, a bearing inner ring, an elastic movable component, a cover plate and a fluid; an outer ring surface of the bearing inner ring is provided with a contact position in sealing and close contact with an inner ring surface of the bearing outer ring, and a first cavity between the bearing outer ring and the bearing inner ring is divided into at least three second cavities arranged in a circumferential direction of the bearing inner ring through the contact position; the elastic movable component is arranged in the second cavities and is at least one. The cover plate is used for sealing an outer side of the first cavity; the fluid is sealed and filled in the second cavities; when the bearing inner ring rotates, the elastic movable component slides in the second cavities, changes the volume of at least two separated cavities in the second cavities, forces the fluid to slowly flow from the separated cavities with a smaller volume into the separated cavities with a larger volume through the elastic movable component, and generates damping. The application effectively suppresses torsional vibration of a rotating beam and improves the stability of the rotating beam.

A linear electric machine includes a shaft, a piston assembly operably coupled with the shaft, a stator assembly supporting the shaft and housing a load device, and a bearing assembly supporting an end of the shaft. The bearing assembly includes a bearing housing, a fluid bearing within the bearing housing, and a bearing support defining a support surface engaged with the fluid bearing. The bearing housing includes an opening for receiving the shaft therethrough. Further, the support surface of the bearing support defines an arcuate profile to allow the fluid bearing to maintain alignment with the shaft as the shaft tilts during operation of the linear electric machine.

The application discloses a power transmission device and a semiconductor manufacturing equipment, the power transmission device comprises a supporting body, a rotating shaft, a magnetic fluid, a bearing assembly and a gasket sealing assembly, the supporting body is installed at an opening of a vacuum reaction chamber communicated with an atmospheric environment, an axle hole is arranged in the supporting body; the rotating shaft extends into the vacuum reaction chamber through the axle hole; the magnetic fluid is arranged between the rotating shaft and the inner wall of the axle hole; the bearing assembly is sleeved on the rotating shaft, the bearing assembly comprises at least one vacuum side bearing, and the vacuum side bearing is located on the side of the magnetic fluid close to the vacuum reaction chamber; and the gasket sealing assembly is attached to the side of the vacuum side bearing facing the vacuum reaction chamber. In the power transmission device, the gasket sealing assembly is attached to the side of the vacuum side bearing facing the vacuum reaction chamber, so that the reaction gas in the vacuum reaction chamber is prevented from polluting the vacuum side bearing and the magnetic fluid, and the service life of the vacuum side bearing and the magnetic fluid is prolonged.

A turbine engine includes a rotor, a stator having a carrier, and a seal assembly that is disposed between the rotor and the stator. The seal assembly includes a plurality of seal segments. The plurality of seal segments includes a seal segment having a seal face forming a fluid bearing with the rotor, a body, and an aft bearing extending from the body. The turbine engine further includes a roller assembly having one or more rolling elements coupled to one of the aft bearing or the carrier. The one or more rolling elements in rolling contact with the other of the aft bearing or the carrier.

A linear electric machine includes a shaft, a primary piston assembly operably coupled with the shaft, a stator assembly supporting the shaft and housing a load device, and a bearing assembly supporting an end of the shaft. The bearing assembly includes a bearing housing and a fluid bearing within the bearing housing. The bearing housing includes an opening for receiving the shaft therethrough. The linear electric machine also includes a secondary piston assembly formed integrally with the shaft and at least a portion of the bearing assembly for providing fluid to the bearing assembly.

A rotary nozzle having a rotating shaft operating within a cylindrical housing is balanced by allowing passage of a small amount of pressurized fluid to be bled to an area between the outside of the opposite end of the shaft and the inside of the housing where the fluid force acts axially in an opposing direction upon the shaft to balance the axial inlet force exerted by the pressurized fluid. The balance of axial forces is self-regulating by controlling escape of the fluid through a tapered or frusto-conical region between the shaft and housing. A plurality of centrifugal weight segments around the inlet end of the shaft are thrust outwardly against the cylindrical housing to retard rotational speed while pressurized fluid around the centrifugal weight segments provides a fluid bearing between the weights and the housing.

The invention relates to a closure system comprising a closure element (110) for closing a process chamber (12), a process tool assembly (140) which can be inserted into the process chamber through an opening (122) in the closure element (110) for processing in the process chamber and by means of which the opening (122) in the closure element (110) can be closed when the process tool assembly has been guided through the opening and inserted into the process chamber, and a controller (170) for bringing about a conjoint movement of the process tool assembly (140) and the closure element (110) when the process chamber (12) is closed and when the process tool assembly (140) has been partly guided through the opening (122) in the closure element (110), the process tool assembly (140) and the closure element (110) being coupled by a fluid bearing (1350).