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WO/2021/256562A1 |
A compressor assembly (120) is provided. Embodiments of the present disclosure generally relate to compressors used in chiller air conditioning systems for indoor spaces. The disclosed compressors have magnetic bearings (290, 300, 320) t...
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WO/2021/244023A1 |
An air bearing spindle and a machine tool. The air bearing spindle comprises: a machine body (1), provided with a spindle hole and an air flow passage; a spindle core (2), provided in the spindle hole in a penetrating manner, the spindle...
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WO/2021/246229A1 |
Provided are: a motor capable of more stably rotating a needle in non-contact by a simpler structure; and a device using the motor. This motor has: a first portion that includes a plurality of permanent magnets; and a second portion that...
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WO/2021/237910A1 |
An active magnetic bearing controller construction method based on a table lookup method, comprising the following steps: establishing a finite element model of an active magnetic bearing; on the basis of a normative Kriging model, obtai...
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WO/2021/242271A1 |
An electric submersible pump (ESP) assembly. The ESP assembly comprises a centrifugal pump, an electric motor mechanically coupled by a drive shaft to the centrifugal pump, wherein the electric motor comprises a stator and a rotor, a bea...
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WO/2021/240250A1 |
A table group (10) for a machine tool (1) comprises a support assembly (12), a rotational table (14), a ring gear (20) provided with an inner face (20') and an upper face (20''), integral with the table (14), a plurality of main hydrosta...
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WO/2021/241510A1 |
This guide device is provided with: a track member; a moving member that comprises a first rolling surface that forms, with a rolling surface of the track member, a load rolling passage; and a damping unit disposed in a first region of a...
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WO/2021/223843A1 |
A drive unit (120) for moving a device (110) in a vacuum processing system is provided. The drive unit includes one or more electromagnets (124) having one or more coils (126) and a housing (122). The one or more electromagnets are arran...
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WO/2021/224104A1 |
The invention relates to an axial gas bearing (10) comprising a gas bearing support (20) for at least one axial bearing surface provided on a supported bearing body, which is facing a surface (5, 5') that rotates during operation of the ...
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WO/2021/219517A1 |
Fluid film bearing, comprising a first and second part (6, 7), wherein the first part (7) comprises at least two annular sliding surfaces (14, 16, 17, 32, 33) that are arranged at an angle to each other, wherein the second part (6) compr...
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WO/2021/219927A1 |
A control system for controlling a magnetic suspension system comprises controllers (101, 102) each being configured to control one or more of magnetic actuators (108-111) magnetically levitating an object (113). One of the controllers i...
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WO/2021/216960A1 |
A magnetically levitated motor includes a stator, a rotor configured to rotate relative to the stator, and a passive radial magnetic bearing configured to support the rotor relative to the stator in a radial direction. An active longitud...
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WO/2021/208278A1 |
An active and passive magnetic suspension bearing, comprising a rotating shaft (10) and a stator (20). The rotating shaft (10) is inserted into a center hole of the stator (20); the stator (20) comprises an active axial control magnetic ...
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WO/2021/212137A1 |
A passive magnetic bearing employs eddy currents in a copper core between neodymium annular magnets to support the copper core and an associated rotating shaft. The copper core has an annular flange that is coaxial with a hollow cylinder...
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WO/2021/208482A1 |
Disclosed are a stator assembly and a wiring adjustment method therefor, and a magnetic suspension bearing. The stator assembly comprises a stator iron core (1), an insulation framework (2), a coil winding (3) and a PCB (4). The stator i...
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WO/2021/199750A1 |
According to the present invention, a first thrust magnetic bearing (50) is axially disposed between a motor rotor (12) and an impeller (21). A second thrust magnetic bearing (60) is disposed closer to one axial side than the motor rotor...
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WO/2021/200159A1 |
An electric motor system (10) comprises: a first thrust magnetic bearing part (50A) and a second thrust magnetic bearing part (50B); an electric motor (20) placed between the two bearing parts; and a detection part (70) that detects the ...
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WO/2021/200375A1 |
Provided is a technique capable of suppressing the increase of the current capacity of a drive unit for electrically driving the magnetic axis support mechanism of a turbo compressor. A drive device 100 is provided with: a DC link circui...
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WO/2021/190933A1 |
Disclosed is a bearing assembly for a drive shaft of a turbocompressor, comprising at least one water-hydraulic bearing designed to rotatably mount the drive shaft of the turbocompressor, said water-hydraulic bearing surrounding the driv...
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WO/2021/191133A1 |
Vacuum pump, in particular a turbomolecular vacuum pump, with a rotor shaft borne in a pump housing, this shaft bearing at least one rotor element. Two bearings are respectively arranged between a bearing seat element connected to the pu...
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WO/2021/183835A1 |
Today, chemical rockets are the most expensive components of a launch; even reusable boosters require costly fuel, ongoing maintenance, and long durations between launches. As a result, far too many space bound opportunities are prohibit...
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WO/2021/169493A1 |
A dynamic-pressure sliding vane bearing rotor system and a motor comprising same. The rotor system comprises a rotating shaft (100). A dynamic-pressure sliding vane bearing is provided on the rotating shaft (100). The dynamic-pressure sl...
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WO/2021/164826A1 |
Provided in an aerostatic bearing for a rotatable rotor (2), which has an axis of rotation, an axial bearing face extending radially relative to the axis of rotation, and a radial bearing face extending axially relative to the axis of ro...
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WO/2021/166778A1 |
[Problem] To provide a harmonic elimination circuit which achieves low vibration and low noise without the use of high-cost components by eliminating harmonics generated by a synchronous detection circuit, and to provide a position detec...
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WO/2021/166816A1 |
[Problem] To obtain a vacuum pump controller that satisfactorily operates a vacuum pump at a prescribed rotation frequency range, and to obtain a vacuum pump. [Solution] A signal processing unit 31 generates a current command value on th...
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WO/2021/167613A1 |
This disclosure relates to an axial magnetic bearing for a centrifugal refrigerant compressor, and a corresponding system and method. A centrifugal refrigerant compressor system according to an exemplary aspect of the present disclosure ...
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WO/2021/160502A1 |
The invention relates to a compressor (20) for generating a compressed air flow for a fuel cell (10), said compressor comprising a compressor element (21), in particular a compressor wheel. In this compressor: the compressor element (21)...
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WO/2021/150375A1 |
A circumferential seal assembly (87) suitable for forming a thin film between a rotatable runner (15, 35, 67) and a sealing ring (3, 4, 23, 24) is presented. The assembly (87) includes an annular seal housing (2, 22), a rotatable runner ...
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WO/2021/143758A1 |
A design method for a six-pole hybrid magnetic bearing having symmetrical suspension forces. Started from particularity that a permanent magnet of the six-pole hybrid magnetic bearing having symmetrical suspension forces forms a magnetic...
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WO/2021/143766A1 |
Provided is a cross-tooth four-pole hybrid magnetic bearing, comprising a stator and a rotor; the stator comprises two control cores (1, 2) and an axially magnetized permanent magnet ring (3) therebetween; four suspension teeth (101, 102...
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WO/2021/143759A1 |
Disclosed is a radial two-degree-of-freedom six-pole alternating-current/direct-current hybrid magnetic bearing. The bearing comprises a stator and a rotor, wherein the stator comprises three control iron cores (2, 8, 10), three radial m...
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WO/2021/143415A1 |
An air bearing (1) comprising an adaptive damper, used for being mounted between a rotating shaft and a stator. A hollow cylindrical intermediate connector (83) is sleeved between the air bearing (1) and the stator; at least one first da...
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WO/2021/139292A1 |
Disclosed is an axial protection system for a magnetic suspension bearing, belonging to the technical field of magnetic suspension bearing protection. The protection system comprises a first component (1) and a second component (2), wher...
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WO/2021/139291A1 |
A radial protection system for a magnetic levitation bearing comprises a first component (1), a second component (2), a seat body (3), and a ball bearing (4). The first component is a structural member made from a soft material. The seco...
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WO/2021/137103A1 |
Methods and apparatuses for applying coatings on a moving web are provided. A coating die and a back-up roll engage with each other. The back-up roll includes a shell rotatably supported by a pressurized air layer. When a coating materia...
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WO/2021/135276A1 |
A magnetic suspension bearing, a compressor, and an air conditioner. One of the magnetic suspension bearings comprises a radial stator (1); the radial stator (1) has a plurality of stator teeth (11) extending radially inwardly thereof, a...
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WO/2021/129425A1 |
An air bearing, comprising: a bearing body (220), a bearing housing (230), a bearing end cover (240), and an anti-rotation component (250). The bearing body (220) is sleeved on a rotating shaft (110), and maintains a predetermined gap wi...
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WO/2021/128573A1 |
A novel magnetic suspension bearing assembly, comprising an axial magnetic bearing I (2), an axial magnetic bearing II (8) and an axial magnetic bearing rotor (3). The axial magnetic bearing I (2) and the axial magnetic bearing II (8) ar...
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WO/2021/129426A1 |
A parallel bearing, comprising a rotary shaft bearing (1) and a stator bearing (2). The rotary shaft bearing (1) is a contact bearing, and is fitted over a rotary shaft (100); the stator bearing (2) is a non-contact bearing, and is fitte...
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WO/2021/128634A1 |
A bearing base structure for improving damping of a magnetic bearing. The bearing base structure comprises a magnetic bearing base body (1) and a pressing ring (2); the magnetic bearing base body (1) is internally provided with a through...
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WO/2021/129427A1 |
A combined bearing comprising a radial bearing (100) and a thrust bearing (400) that are fixedly connected, wherein the radial bearing (100) comprises a rotating shaft bearing (101) and a stator bearing (102), the rotating shaft bearing ...
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WO/2021/128632A1 |
Provided is an auxiliary magnetic bearing rotor heat dissipation structure, comprising a motor rotor (1), a radial magnetic bearing seat (2), a rotor silicon steel sheet lamination (3), a first pressing plate (4) and a second pressing pl...
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WO/2021/128878A1 |
An axial magnetic bearing, a motor, a compressor, and an air conditioner. The axial magnetic bearing comprises a front axial bearing iron core (1), a rear axial bearing iron core (2), and a thrust bearing (17). The thrust bearing (17) is...
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WO/2021/129428A1 |
A motor using parallel bearings, comprising a rotating shaft (200) and a stator (210). A pair of radial bearings (100) are sleeved on the rotating shaft (200); each radial bearing (100) comprises a rotating shaft bearing (101) and a stat...
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WO/2021/121092A1 |
A method for compensating in real time an interference force to which a rotor (1) is subjected in a magnetic suspension bearing system, which relates to the technical field of numerically-controlled machine tools. The method comprises: p...
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WO/2021/114488A1 |
A permanent magnetic bearing, comprising a rotor core shaft (1), rotor assemblies, stator assemblies, and axial electromagnetic bearings (11). The rotor assemblies are respectively sleeved on both ends of the rotor core shaft (1). The st...
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WO/2021/116637A1 |
A magnetiser apparatus and method are disclosed. The magnetiser apparatus comprises: a first plurality of rings, each ring having a longitudinal axis, the first plurality of rings being axially-aligned and stacked along the longitudinal ...
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WO/2021/112759A1 |
An ultra-low profile aerostatic bearing and the method of manufacturing the same is disclosed. The aerostatic bearing comprises a substrate as a bearing housing, a hypodermic tubing and a plurality of orifices on the tubing. The method o...
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WO/2021/101211A1 |
Provided is a hybrid fluid bearing. The hybrid fluid bearing comprises: a bearing housing installed on an outer diameter surface of a rotary shaft in the form of being coupled via a ring; a sleeve ring installed between the rotary shaft ...
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WO/2021/101210A1 |
Provided is a floating-sleeve hybrid fluid bearing. The floating-sleeve hybrid fluid bearing may comprise: a bearing housing which is mounted by ring-coupling to the outer circumferential surface of a rotary shaft; and a floating sleeve ...
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