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Patent Searching and Data


Matches 601 - 650 out of 11,708

Document Document Title
WO/2009/071843A2
The invention relates to an axial-flow electric machine (1) for converting mechanical energy, in particular from a wind turbine, into electric energy, that comprises an outer rotor (6) defining an inductor and symmetrically surrounding a...  
WO/2009/071843A3
The invention relates to an axial-flow electric machine (1) for converting mechanical energy, in particular from a wind turbine, into electric energy, that comprises an outer rotor (6) defining an inductor and symmetrically surrounding a...  
WO/2009/069530A1
A high temperature-side cylinder (30H) of a Sterling engine (100) has a sleeve (30HR) and a cylinder block (30HB). A high temperature-side piston (20H) reciprocates in the sleeve (30HR). The sleeve (30HR) is connected to a heater (105) f...  
WO/2009/069423A1
A slide stage can be made low and compact, can transfer smoothly at a high speed and in high precision, and can be manufactured at a low price. A surface table (1) and a slider (4) are dug, and the slider (4) for injecting air downward t...  
WO/2009/062418A1
A magnetic levitation magneto-electric bicycle wheel hub comprises a hub (1), two hub shell covers (2), a flywheel (3), and a catch plate (15). The flywheel (3) and the catch plate (15) are carried on the two hub shell covers (2). A stat...  
WO/2009/062851A1
An aerostatic bearing comprises a guide element (1) provided with drillings (15) and a body (4) which may be moved along a surface of the guide element (1). The drillings (15) comprises a first section (16) adjacent to the body, of which...  
WO/2009/051192A1
A hydrostatic slide device in which the number of surfaces forming a hydrostatic bearing is reduced as much as possible and a clearance in a hydrostatic bearing portion is maintained uniform with high precision. A first slide portion (10...  
WO/2009/051938A2
Hydrodynamic bearing assemblies and apparatuses are disclosed. Such hydrodynamic bearing assemblies may be employed in bearing apparatuses for use in downhole motors of a subterranean drilling system or other mechanical systems. In one e...  
WO/2009/049070A3
Some embodiments relate to a compact noncontact mechanical coupling, damping, and/or load bearing device comprising an internal load bearing member and an external load bearing member mated in an interdigitated relation while maintaining...  
WO/2009/049070A2
Some embodiments relate to a compact noncontact mechanical coupling, damping, and/or load bearing device comprising an internal load bearing member and an external load bearing member mated in an interdigitated relation while maintaining...  
WO/2009/035548A1
Multi-recess hydrostatic journal bearings support a rotating shaft and have inclined surfaces, each inclined surface forming a variable radial gap with the surface of the shaft, the variable gaps converging in the direction of rotation o...  
WO/2009/025076A1
A magnetic bearing device integral with a motor has improved long term durability, is compact, can be rotated at high speed, and can more efficiently cool the motor. In the magnetic bearing device, a motor rotor of the axial gap motor is...  
WO/2009/023815A2
A method of positioning a shaft and an associated seal in turbomachinery utilizing electromagnetic bearings. The method comprises the steps of applying electrical power to the windings of the electromagnetic bearings in which the shaft c...  
WO/2009/022943A1
The invention relates to mechanical engineering, in particular to plain bearings with liquid or gas lubrication, which are used for radially suspending the rotors of high-speed rotodynamic machines for different use, for example cooling ...  
WO/2009/022942A1
The invention relates to mechanical engineering, in particular to plain bearings with liquid or gas lubrication, which are used for radially suspending the rotors of high-speed rotodynamic machines for different use, for example cooling ...  
WO/2009/023815A3
A method of positioning a shaft and an associated seal in turbomachinery utilizing electromagnetic bearings. The method comprises the steps of applying electrical power to the windings of the electromagnetic bearings in which the shaft c...  
WO/2009/013119A1
The present invention relates to a continuous-flow or displacement machine, in particular a steam turbine (1), having a flow area through which a flow medium flows in which at least one rotor (2) including shaft sections (3) with rotor b...  
WO/2009/008467A1
A bearing structure for a coating roll according to one embodiment of the invention has a second bearing section for allowing a first bearing section to tilt to follow only deflection of the coating roll in the direction of gravity. Even...  
WO/2009/004853A1
A static pressure bearing pad in which separation between a housing (2) and a pad member (1) as well as entry of a bonding agent into gas supply grooves (4) are prevented, with the result that the bearing pad has stable bearing performan...  
WO/2009/000711A3
The invention relates to a bearing device (100) for the contactless bearing of a rotor in relation to a stator (101). Said bearing device (100) comprises a rotor provided with a shaft (102) and at least one rotor disk (103), and a stator...  
WO/2009/000711A2
The invention relates to a bearing device (100) for the contactless bearing of a rotor in relation to a stator (101). Said bearing device (100) comprises a rotor provided with a shaft (102) and at least one rotor disk (103), and a stator...  
WO/2008/154757A1
In a magnetic bearing device in which a rotor is supported for rotation, recovery after a touchdown in the touchdown bearings during rotation is improved by providing, in addition to a basic controller module (220), an impact recovery co...  
WO/2008/154962A2
The invention relates to a magnetic bearing control device and the use of a three-phase converter for controlling a magnetic bearing. According to the invention, a three-phase converter (70) is used for controlling a magnetic bearing (10...  
WO/2008/154962A3
The invention relates to a magnetic bearing control device and the use of a three-phase converter for controlling a magnetic bearing. According to the invention, a three-phase converter (70) is used for controlling a magnetic bearing (10...  
WO/2008/149038A2
Hydrodynamic bearing with four lobes (l_1, l_2, l_3, L4) with centres of curvature that are eccentric relative to its geometrical centre, said lobes (L1, L2, L3, L4) being separated by oil feed grooves (5, 6, 7, 8), characterized in that...  
WO/2008/149038A3
Hydrodynamic bearing with four lobes (l_1, l_2, l_3, L4) with centres of curvature that are eccentric relative to its geometrical centre, said lobes (L1, L2, L3, L4) being separated by oil feed grooves (5, 6, 7, 8), characterized in that...  
WO/2008/148800A1
The present invention is related to a conical air bearing comprising one or more flexible foils (11) adapted for enveloping a conically shaped portion of a shaft. The conical foil air bearing comprises a self- aligning mechanism (15) in ...  
WO/2008/146453A1
A motor-integrated magnetic bearing includes a three-phase rectifier-less motor (28) having phase detectors (40A to 40C) for detecting the phase of a motor rotor (28a). The motor has: a calculation unit (38) for generating a coil current...  
WO/2008/141967A1
Disclosed is a rotary table bearing (4) comprising a radial-axial rolling bearing (5) for mounting a first part (9) of a ball race relative to a second part (10) of the ball race. Said rotary table bearing (4) further comprises a squeeze...  
WO/2008/132064A1
The invention relates to a bearing device (100) having a magnetic bearing (210) for mounting a shaft (101) and a damping device (200). The damping device (200) comprises a first disc-shaped damper part (201) that is part of the shaft (10...  
WO/2008/124868A1
A power generation system (100) includes a working fluid (6) circulating around a closed working fluid circuit (101) which includes means (5) to superheat the working fluid, energy conversion means (7) adapted to convert internal energy ...  
WO/2008/126462A1
An electromagnetic attraction magnetic bearing comprises at least a pair of electromagnets (1, 2) arranged oppositely, a float (3) arranged between the electromagnets and held at the middle position thereof, a sensor (4) for detecting di...  
WO/2008/121561A1
Substrate processing method and apparatus are disclosed. The apparatus includes a chuck having a surface with one or more gas flow openings configured to provide a flow of gas to the surface. The surface includes one or more vacuum chann...  
WO2008080372B1
The method of levitation, centering, stabilization and driving of single electromagnetic functional part of radial electromagnetic bearing and electrical rotation drive, which is movable and rotatable in stator (1) of radial electromagne...  
WO/2008/108063A1
A motor-integrated magnetic bearing device in which the long term durability of rolling bearings under a thrust load is improved, which is compact and can cope with high-speed rotation, and in which the motor can be cooled by a simple st...  
WO/2008/098846A2
Disclosed is an electric direct drive device, particularly for a turntable, comprising a rotationally symmetrical central cylinder (2) and two rotor components (3, 4) which can be rotated about the axis of symmetry (S) of the central cyl...  
WO/2008/098846A3
Disclosed is an electric direct drive device, particularly for a turntable, comprising a rotationally symmetrical central cylinder (2) and two rotor components (3, 4) which can be rotated about the axis of symmetry (S) of the central cyl...  
WO/2008/096805A1
A magnetic bearing device has a rotating shaft (3) and a bearing structure (5) for supporting the rotating shaft (3) by magnetic force. The bearing structure (5) has magnetic pole parts (7) opposed to the outer peripheral surface of the ...  
WO/2008/092456A3
An apparatus (1) for rotational motion about a rotational axis (14) of a first member (2) relative to a second member (3), the first member having an outer surface being rotational symmetric about the rotational axis, and the second memb...  
WO/2008/092456A2
An apparatus (1) for rotational motion about a rotational axis (14) of a first member (2) relative to a second member (3), the first member having an outer surface being rotational symmetric about the rotational axis, and the second memb...  
WO/2008/081030A1
The invention relates to a method for determination of resonant frequencies of a rotor using magnetic bearings, in particular of a rotor of a turbomolecular vacuum pump. While the rotor is stationary or the rotor is rotating at a relativ...  
WO/2008/081241A1
The invention relates to an electric chuck (1) for high-speed drilling, composed of a shaft (2) fixed to a motor (6) and connected to a sleeve (11) by means of two pneumostatic radial bearings (3, 4) and an axial bearing (5) which is als...  
WO/2008/080372A1
The method of levitation, centering, stabilization and driving of single electromagnetic functional part of radial electromagnetic bearing and electrical rotation drive, which is movable and rotatable in stator (1) of radial electromagne...  
WO/2008/078718A1
In a superconducting magnetic thrust bearing with integrated dynamotor, a first fixed core is formed to have a U-shaped cross-section in the direction of central axis of a tubular shape with the opening of the U-shape being directed perp...  
WO/2008/074045A2
The invention relates to a magnetic bearing device (1) for the non-contact bearing of a moving object (2), such as a shaft, with a stationary bearing part (2), a permanent magnet system (11) with at least one permanent magnet (4, 4A, 4B)...  
WO/2008/074044A2
Magnetic bearing device (1) for non-contact mounting of a moving body (3), such as a shaft, with a stationary bearing part (2) with an electromagnet system (11), which, during operation, may be supplied with a control current dependent o...  
WO/2008/074044A3
Magnetic bearing device (1) for non-contact mounting of a moving body (3), such as a shaft, with a stationary bearing part (2) with an electromagnet system (11), which, during operation, may be supplied with a control current dependent o...  
WO/2008/074045A3
The invention relates to a magnetic bearing device (1) for the non-contact bearing of a moving object (2), such as a shaft, with a stationary bearing part (2), a permanent magnet system (11) with at least one permanent magnet (4, 4A, 4B)...  
WO/2008/064802A2
The invention relates to a bearing for the rotary mounting of a rotor (500) on a stator (502), which has an idle position and a working position, comprising an actuator (512) for moving the rotor (500) or stator depending on a control si...  
WO/2008/064802A3
The invention relates to a bearing for the rotary mounting of a rotor (500) on a stator (502), which has an idle position and a working position, comprising an actuator (512) for moving the rotor (500) or stator depending on a control si...  

Matches 601 - 650 out of 11,708