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Matches 201 - 250 out of 11,043

Document Document Title
WO/2013/079896A1
A gas bearing assembly for a gas bearing spindle. The assembly comprises a housing portion (11) and an inner radial bearing portion (10) disposed within and resiliently mounted relative to the housing portion. The inner radial bearing po...  
WO/2013/077175A1
Provided is a structure for a small-sized, lightweight air slide device in which the travel stability of a slider is high. This air slide device (1) comprises: a rail (2) having slider guide surfaces (211, 212) formed of a magnetic subst...  
WO/2013/077172A1
Provided is a hydrostatic gas bearing structure that is robust against load variations and in which the devices installed can be reduced in size and weight. This air bearing (1) comprises: a magnetic-force generating part (11) that gener...  
WO/2013/071385A1
The present invention pertains to restrictors (16,17) for aerostatic bearings capable of guaranteeing a constant flow, regardiess of their size and dimensional tolerance, such that the gas flow is adjusted by means of deforming their int...  
WO/2013/073166A1
The aerostatic bearing (1) is provided with: a bearing substrate (2) formed from a thermoplastic synthetic resin or a reinforcing filler-containing thermoplastic synthetic resin comprising 30-50 mass% of glass fiber, glass powder, carbon...  
WO/2013/071385A8
The present invention pertains to restrictors (16,17) for aerostatic bearings capable of guaranteeing a constant flow, regardiess of their size and dimensional tolerance, such that the gas flow is adjusted by means of deforming their int...  
WO/2013/063709A2
A rotating electrical machine comprises a stator (2), a rotor (3) and at least one active magnetic bearing (21, 22, 31, 32, 33) comprising a bearing winding (21; 22) which is an air-gap winding and comprises at least a first phase windin...  
WO/2013/065268A1
An aerostatic bearing (1) which is equipped with a bearing base (2) preferably constituted of a thermoplastic synthetic resin such as a polyacetal resin (POM), a polyamide resin (PA), or a polyphenylene sulfide resin (PPS), a filler-rein...  
WO/2013/065216A1
The turbine blades (9) of the spindle device are provided with a front surface (21) that faces towards the front of the direction of rotation, and a back surface (22) that faces towards the back and is struck by the gas. The back surface...  
WO/2013/063709A3
A rotating electrical machine comprises a stator (2), a rotor (3) and at least one active magnetic bearing (21, 22, 31, 32, 33) comprising a bearing winding (21; 22) which is an air-gap winding and comprises at least a first phase windin...  
WO/2013/061813A1
 Provided is an air roller unit configuration that prevents shaft damage and enables a reduction in costs. The air roller unit (1) is equipped with: a shaft (21) that is connected to a main roller body (20); collars (3) that are atta...  
WO/2013/056920A1
Backup bearings for a magnetic bearing as per the prior art often have to be replaced because they also wear during operation of the magnetic bearing without the magnetic bearing failing. A friction brake (10) prevents this in such a man...  
WO/2013/046493A1
A stator (21) for applying a composite electromagnetic force (F) of a plurality of electromagnets (24) is provided to a drive shaft (13) having a fluctuating load (Ld). A control part (30) is provided for controlling a current difference...  
WO/2013/048836A1
Rolling mill bearings incorporate bearing bushings (20) with pluralities of hydrostatic pad recesses (30, 40), that are preferably in conjunction hydrodynamic bearings also formed within the bushing. Each recess (30, 40) has an isolated ...  
WO/2013/046793A1
Provided is a structure for a compact air bearing unit which, with the use of a simple configuration, more stably supports without contact a part rotating at high speed. Fluid (t) is supplied to a radial bearing gap (60) from a porous si...  
WO/2013/038625A1
Provided are: a synthetic-resin bearing base (2) provided with a base (4), an ring-shaped protruding part (6) integrally projecting from one surface (5) of the base (4), and an air-supply channel (11) that opens at one end (7) on the pro...  
WO/2013/028507A2
The present invention relates to a bearing arrangement (28) having at least one radial air bearing (1) and/or having an axial air bearing (15'), wherein the radial air bearing (1) has an inner annular bearing plate (7) and a spring plate...  
WO/2013/028507A3
The present invention relates to a bearing arrangement (28) having at least one radial air bearing (1) and/or having an axial air bearing (15'), wherein the radial air bearing (1) has an inner annular bearing plate (7) and a spring plate...  
WO/2013/011711A1
[Problem] To make positioning on the order of 1 nm possible using a universal servo amp and without using a linear amp. [Solution] The stage device (3) is provided with: two guide rails (12) having guiding surfaces; a slider (13), which ...  
WO/2013/011150A1
The invention relates to a method for operating a rotary machine with a rotor (14) that is mounted in a bearing (39), said rotor (14) being subjected to a thrust that acts substantially in only an axial direction during the operating tim...  
WO/2013/005090A4
The BOHG wind turbine generator systems with a vertical lift-device rotational axis and with a surface-variable airscrew are principally aimed at making such systems more reliable and inexpensive. They are characterized in that they oper...  
WO/2013/004788A1
In the method for operating a rotatable device, particularly a rotatable medical imaging device, a rotary body (2) is mounted by means of a magnetic bearing (1) via a plurality of bearing elements (3, 4, 5, 6). Distances (Sx1, Sx2, Sy1, ...  
WO/2013/005090A3
The BOHG wind turbine generator systems with a vertical lift-device rotational axis and with a surface-variable airscrew are principally aimed at making such systems more reliable and inexpensive. They are characterized in that they oper...  
WO/2013/000007A3
What is disclosed are: an electric machine (1) and a method for operating an electric machine (1) comprising at least one in particular magnetic bearing (2, 3), in particular an axial bearing (17), with at least one armature (4), which h...  
WO/2012/175653A1
The invention relates to a pivot bearing for the low-friction support of components, comprising a cylindrical bearing body (2, 2''', 3) and a bearing part (1) pivotably arranged therein, wherein the bearing body (2, 2''', 3) has a substa...  
WO/2012/174624A8
A thrust-stabilised magnetic levitation ultracentrifuge comprises a magnetic levitation homopolar motor formed by a lower cylindrical magnet (1) that carries two parallel bismuth or graphite cylinders (2) with a rotor (3) located in a va...  
WO/2012/174624A1
A thrust-stabilised magnetic levitation ultracentrifuge comprises a magnetic levitation homopolar motor formed by a lower cylindrical magnet (1) that carries two parallel bismuth or graphite cylinders (2) with a rotor (3) located in a va...  
WO/2012/171782A1
Eddy current losses in a radial magnetic bearing should be reduced. For this purpose the invention relates to a magnetic bearing having a stator (3) which comprises electromagnets, a rotor (6) which rotates at a rotational speed in or ab...  
WO/2012/168682A3
A pseudo-levitation permanent magnet repulsive bearing and drive system arrangement for a large diameter, hollow centre composite flywheel for multi megawatt hours energy storage. The magnets are positioned in a frustrated cone to assist...  
WO/2012/163138A1
Disclosed is an air bearing (100), which bearing (100) comprises an air bearing body (120) and a rotation shaft (140) located within the air bearing body (120), with the rotation shaft (140) containing a cylindrical shaft portion (142) a...  
WO/2012/166236A1
Coast-down bearing apparatus and methods are provided. The coast-down bearing includes a plurality of segments each having a radius of curvature substantially equal to an outer radius of a shaft and spaced radially therefrom to define a ...  
WO/2012/162716A3
The invention relates to an electric machine (1, 15, 17, 25, 26), comprising a magnetically supported reluctance rotor (2) and a stator (4) that forms poles (19, 20, 21, 22), which stator has at least one electrical stator winding (5) fo...  
WO/2012/159842A1
A magnetic radial bearing with low eddy current losses is made compact and easily actuable. For this purpose, a radial bearing with four coils (S1, S2, S3, S4) is proposed, said coils lying opposite one another in pairs on two axes (X, Y...  
WO/2012/160204A1
Measuring apparatuses (1) for determining the position of an object (3) relative to a reference surface, in particular a seating inspection device for workpieces or workpiece carriers, often have the problem that the measuring apparatuse...  
WO/2012/158065A3
The utility model relates to the field of instrumentation and can be used in devices that enable the accurate positioning of measuring instruments or machine tools relative to an object. The angular pneumatic mount comprises a fixed memb...  
WO/2012/156506A1
An equipment (111) for high speed transversal perforations of variable lengths on continuous forms (32) in movement comprising a blade support (34) with at least a perforating blade (39a) and a blade contrast (112) having at least one pr...  
WO/2012/155170A1
An energy storage system is generally disclosed. An example system includes a flywheel having a substantially cylindrical flywheel portion, and a housing defining a substantially cylindrical cavity configured so as to receive the substan...  
WO/2012/158266A3
A coast down bushing having a plurality of grooves formed in the inner radial surface thereof. Each groove is filled with a lubricating insert or plug to reduce the contact friction between a rotating shaft and the bushing during coast d...  
WO/2012/158065A2
The utility model relates to the field of instrumentation and can be used in devices that enable the accurate positioning of measuring instruments or machine tools relative to an object. The angular pneumatic mount comprises a fixed memb...  
WO/2012/152522A1
The invention relates to a method for operating a three-phase inverter (6) of a converter-fed magnetic bearing (2), the two coils (12, 14) of which are connected by a first connection (20, 22) to a respective output (W, V) of the three-p...  
WO/2012/153109A2
Stray magnetic fields created by non-symmetrical magnetisation of the permanent magnets in a rotating magnet array of a magnetic bearing assembly, when used in turbo molecular pumps, can cause significant problems to devices such as scan...  
WO/2012/154066A1
This invention relates to magnetic bearing and magnetic bearing mode of action, stabilizing the rotation of rotating machine parts using neodymium magnets both in radial and axial direction, the bearing is composed of one stationary moun...  
WO/2012/152541A1
The invention relates to a bearing arrangement for the rotatable mounting of a shaft (7) in relation to a housing (8), comprising a back-up bearing (9) which is designed as a rolling contact bearing, wherein the rolling contact bearing c...  
WO/2012/153109A3
Stray magnetic fields created by non-symmetrical magnetisation of the permanent magnets in a rotating magnet array of a magnetic bearing assembly, when used in turbo molecular pumps, can cause significant problems to devices such as scan...  
WO/2012/152539A1
The invention relates to a bearing arrangement for the rotatable mounting of a shaft (7) in relation to a housing (8), comprising a back-up bearing (9) which is designed as a rolling contact bearing, wherein the rolling contact bearing c...  
WO/2012/143269A1
The invention relates to an installation fixture (1) for installing a rotor (2) in a magnetic bearing (3) and for aligning the rotor (2) in the nominal position thereof. The magnetic bearing (3) is arranged in a bearing housing (4) of an...  
WO/2012/145486A3
A fluid compression system is disclosed having at least a compressor and a motor (or alternate driver) arranged within a hermetically-sealed housing. The motor rotates a shaft upon which the compressor is disposed, and the shaft is suppo...  
WO/2012/145486A2
A fluid compression system is disclosed having at least a compressor and a motor (or alternate driver) arranged within a hermetically-sealed housing. The motor rotates a shaft upon which the compressor is disposed, and the shaft is suppo...  
WO/2012/136452A1
The aim of the invention is to provide an axial bearing device having increased force density and a simple construction. Said aim is achieved by an axial bearing device having an annular electrical sheet arrangement, wherein the individu...  
WO/2012/135586A3
An axial magnetic bearing (20) for a rotating machine is provided. The axial magnetic bearing (20) includes a rotatable shaft (26), at least one fixed stator (24) and a rotor (22) secured to the shaft (26). The at least one fixed stator ...  

Matches 201 - 250 out of 11,043