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JP7338538B2 |
To provide a new top foil holding structure.A radial foil bearing 3 comprises a bearing housing 12 comprising an insertion hole 12a, a top foil 9 housed in the insertion hole 12a, and a locking member 40 for locking the top foil 9 in the...
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JP2023536354A |
The present invention is a bearing system for the drive turbine of a rotary atomizer (1), comprising a rotatable turbine shaft (3) for receiving a bell cup (2) used to inject paint and the turbine. It relates to a bearing system with rad...
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JP7331275B2 |
A damping arrangement (1) for damping radial vibrations in a rotating shaft (2), the damping arrangement (1) comprising at least one first damping element (3), at least one second damping element (4), and a bearing arrangement (5) operab...
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JP2023114004A |
To provide a foil bearing capable of increasing a load by forming floating gaps at three places near a tip end of a top foil portion, near an arc portion at an inner diameter end, and an arc portion of an outer diameter end.A foil bearin...
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JP2023095528A |
To provide a turbo type fluid machine capable of effectively cooling a foil bearing without making the axial body large.A second plate 16 which partitions the inside of a housing 11 into a first impeller chamber 13b where a first impelle...
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JP2023089556A |
To certainly supply oil into between a bearing and a fixed side member.A drive device is equipped with a fixed side member, a bearing, and a rotary side member that is driven and coupled to a driving source and is supported so as to rota...
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JP2023524255A |
The present invention provides a rotor (4) for an air supply unit (1) of a fuel cell unit, rotatable by means of foil air bearings (15, 16) within a housing (5) of the air supply unit (1). It relates to a rotor (4) which is provided to b...
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JP2023078780A |
To provide a turbo type fluid machine capable of improving durability of a coating layer formed on a bearing surface of a foil bearing and a borne surface to prolong the product life-time of the foil bearing.A turbo type fluid machine co...
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JP7276035B2 |
To provide a hydrodynamic bearing that can increase an upper limit value of a rotation speed capable of stably supporting a rotating shaft.A hydrodynamic bearing 10 includes a top foil 20 arranged on the outer peripheral side of a rotati...
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JP7275029B2 |
This is invention relates to a bearing support for a vacuum pump and, in particular, to a polymer bearing support for a vacuum pump. The invention further encompasses vacuum pumps comprising polymer bearing supports, and methods of manuf...
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JP2023066194A |
To suppress breakage of an O-ring.A rolling bearing includes an outer ring, an inner ring, a rolling element rotatably arranged between the outer ring and the inner ring, and an O-ring made of an elastic body and fitted to a peripheral g...
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JP7267772B2 |
To provide a squeeze film damper bearing having improved attenuation performance.A squeeze film damper bearing comprises an internal support ring that supports a bearing part, and an external support ring that is provided on the outer pe...
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JP2023061140A |
To ensure durability.The direction of a thrust load acting on a rotating shaft 30 with rotation of a first impeller and a second impeller is opposite to a direction of gravity. A first dynamic pressure thrust bearing 50 is arranged above...
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JP7265431B2 |
To provide a structure that can be manufactured in large quantities at low cost, in which a covering layer is sufficiently fixed to a metal member, and that has high reliability.A bearing 10 is a structure comprising an outer ring 21 mad...
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JP7261202B2 |
Proposed is a novel coupling mechanism (10) capable of applying a preload to a ball portion and a socket portion which constitute a coupling mechanism (10) of a titling pad bearing (1), without using a spring element.
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JP2023055282A |
To provide a turbo type fluid machine capable of suppressing lowering of load capacity of a thrust foil bearing by suppressing lowering of a fluid film pressure without deteriorating durability of a top foil.A thrust foil bearing 30 incl...
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JP2023055283A |
To suppress lowering of load capacity of a radial foil bearing by suppressing lowering of a fluid film pressure without deteriorating durability of a top foil.A radial foil bearing 40 includes: a bump foil 42 comprising a corrugated plat...
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JP7257432B2 |
A bearing device is configured to rotatably support a rotational shaft of a rotating machine and includes: a semi-floating bearing supported by a bearing housing; and an anti-rotation pin fixed to the bearing housing and having an insert...
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JP7257156B2 |
To ensure that vibration of a rotating shaft can be reduced.A gas bearing 1 comprises: ring-shaped top foil 2 inside which a rotatable cylindrical rotating shaft 13 is passed, and of which an inner peripheral surface 2B is located at a d...
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JP7253948B2 |
To improve damping performance of a squeeze film damper by using a simple structure.A squeeze film damper comprises: an inside member for supporting a bearing part; an outside member provided on the side of an outer periphery of the insi...
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JP7253936B2 |
To provide a squeeze film damper bearing having improved attenuation performance.A squeeze film damper bearing comprises an internal support ring that supports a bearing part, and an external support ring that is provided on the outer pe...
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JP2023046778A |
To prevent foil from breaking when a bearing surface is subject to overload.A foil bearing 10 includes: foil 12 having a bearing surface; and a cylindrical foil holder 11 having an inner peripheral surface 11a on which the foil 12 is fit...
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JP7244780B1 |
An object of the present invention is to improve assembly workability of a radial foil bearing. A radial foil bearing (26) comprises a top foil (80) and a housing (60). The main body (81) of the top foil (80) has a first side edge (81a),...
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JP7242454B2 |
To provide a thrust bearing device and a rotating electrical machine that can restrain a decrease in performance.A thrust bearing device according to an embodiment comprises a thrust collar attached to a rotating shaft, a guide bearing f...
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JP7230927B2 |
A thrust foil bearing (3) includes a foil (10, 20) which faces a thrust collar (4) mounted on a shaft (1) in an axial direction, and a case (8) which supports the foil and surrounds the thrust collar, wherein a cooling hole (50) is forme...
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JP7224631B2 |
To provide a foil bearing which achieves reduction of frictional force and high cooling effect.The invention includes top foils 20 disposed in a rotation direction A of a rotating body. In the top foil 20, a groove-like rotation directio...
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JP7222329B2 |
To provide a bearing device capable of achieving improvement in durability performance.A rotary shaft 21 includes a hollow part 25 which has a cylindrical shape and which deforms so as to bulge outwardly during rotation. A rolling bearin...
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JP2023505901A |
The bearing holder (10) includes an inner portion (30) and an outer portion (20), the inner portion (30) including a receiving contour (32) for receiving a bearing, and the outer portion (20) housing ( 90). A transition region (25) betwe...
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JP7217232B2 |
Vented bearing retainer and roller bearings for turbomachines, such as compressors and turbines. Axial openings in, or adjacent to, the inner circumferential surface of the bearing retainer member equalize pressure differentials on the r...
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JP2023503419A |
A compressor device (2) comprising at least one compressor element (3) and a drive (4) for the compressor element (3), the static A bearing damper in which all bearings (6) of at least one shaft configured to carry an axial load comprise...
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JP7206209B2 |
A solar tracker assembly is provided which includes a support column, a torque tube or torsion beam connected to the support column, a mounting mechanism attached to the torque tube or torsion beam, a drive system connected to the torque...
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JP2023002087A |
To provide a fluid pump which is excellent in maintenance performance, and suppressed in a constriction related to a transfer-objective liquid, and a fluid transfer device.A liquid pump 100 comprises a rotating body 50 having an impeller...
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JP7194000B2 |
To provide a slide bearing device which enables improvement of a function for absorbing vibration caused by sliding between a slide bearing and a rotary shaft and a function for diffusing frictional heat during dry operation and can secu...
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JP7192320B2 |
A thrust foil bearing (3) of the present disclosure includes a base plate (30) which includes an insertion hole (30a) through which a rotation shaft (1) is inserted, a back foil (20) which is disposed around the insertion hole (30a) and ...
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JP7180755B2 |
A radial foil bearing (3) of the present disclosure includes a bearing housing (12) which has an insertion hole (12a) therein, a top foil (9) disposed inside the insertion hole, and a foil structure (10, 11) interposed between the top fo...
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JP2022549054A |
A compliant foil thrust bearing subassembly includes a fluid plate including an annular mating ring and a plurality of fluid foil elements disposed radially inwardly from the fluid plate mating ring; a force transmission plate including ...
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JP2022547177A |
A rotor for a thread picking device, the rotor housing, first and second bearing assemblies each comprising at least two ball bearings each seated in a respective bearing seat, and the first bearing a substantially horizontal shaft rotat...
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JP7167691B2 |
To provide a worm speed reducer which can inhibit occurrence of abnormal noise between a buffer member and an outer peripheral surface of a bearing.A worm speed reducer 40 includes: a housing 42; a worm shaft 44 which has a first end par...
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JP2022544805A |
[Task] The present invention is a foil bearing (10) comprising at least one foil (16, 18), said foil (16, 18) being arranged in a bearing hole (14) of a bearing receiver (12), It relates to the type fixed in the bearing hole (14). [Solut...
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JP2022159545A |
To obtain a bearing device capable of effectively suppressing the reduction of vibrations by a rotary shaft.A cylindrical bearing case 5 supports a bearing 4 from an outer peripheral side of the bearing 4. The bearing case 5 includes a p...
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JP2022157572A |
To stably support a rotor by a foil bearing.Each notch part N1 is formed on a first back foil 22 side, not on a bearing surface 210 side. Accordingly, the bearing surface 210 becomes smoother than, for example, when each notch part N1 is...
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JP7150626B2 |
To provide a connecting rod which can prevent a bearing load from leaning to an end part of a bearing metal at a small end part.A connecting rod includes: a large end part to which a crank shaft of an engine is connected; a small end par...
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JP2022147351A |
To adjust the rigidity of foil without changing a shape of a bearing surface.A foil bearing 20 has a plurality of pieces of foil 22 with a bearing surface S formed thereon. The downstream side end part of each foil 22 is provided with a ...
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JP2022146264A |
To prevent damage of a foil due to contact between the foil and a shaft.Each foil 12 has a top foil part 12a having a bearing surface S1, and an insertion part 12b provided on the downstream side of the top foil part 12a. The insertion p...
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JP7146353B2 |
To obtain a bearing device capable of effectively suppressing the reduction of vibrations by a rotary shaft.A cylindrical bearing case 5 supports a bearing 4 from an outer peripheral side of the bearing 4. The bearing case 5 includes a p...
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JP7143028B2 |
To properly restrain detachment of a pin for positioning bearing metal, in a semi-floating bearing serving as a bearing of an exhaust turbo supercharger.The structure is configure to comprise: bearing metal 7 formed into a cylindrical sh...
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JP7139800B2 |
A thrust foil bearing (3) of this disclosure includes a base plate (30) provided with an insertion hole through which a rotation shaft is inserted; a corrugated bump foil (20) placed around the insertion hole and supported by the base pl...
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JP7139055B2 |
To properly exhaust lubrication oil supplied to a bearing of an exhaust turbo supercharger.A bearing structure for journaling a shaft 6 coupling a turbine wheel 4 and a compressor wheel 5 of an exhaust turbo supercharger by a bearing hou...
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JP2022134757A |
To provide a steering device that can more suitably absorb the force acting in an axial direction of a turning shaft.A steering device includes a bearing 20, a disc spring 32, and a plate 31. The bearing 20 supports a ball screw nut so t...
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JP7136637B2 |
To provide a rolling bearing which achieves long life even when used in high speed rotation, a high temperature environment, and an evaporative fuel atmosphere.A rolling bearing includes: an outer ring 21 in which a circumferential groov...
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