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Patent Searching and Data


Matches 351 - 400 out of 5,166

Document Document Title
WO/2010/116747A1
Provided is a surface-treatment method for components of mechanical booster pumps, turbomolecular pumps, or dry pumps, said method resulting in high resistance to corrosion and low outgassing. Also provided is a dry pump treated with sai...  
WO/2010/111357A2
Hydrogen gas compression systems that each include a multistage centrifugal compressor in which each stage has an inlet-to-outlet pressure rise ratio of about 1.20 or greater. In one embodiment, the multistage compressor includes six hig...  
WO/2010/105908A1
The invention relates to a multi-inlet vacuum pump having a first pump device (10) and a second pump device (12). The first pump device (10) comprises a first rotor element (18) having a plurality of first rotor discs (20, 21) arranged c...  
WO/2010/100626A1
The pumping device comprises a central body (1) closed by a couple of headers (2, 3) and is internally provided with a separating disk (4), suitable to divide the inner space into a first and a second chamber (10, 11) separated. The devi...  
WO/2010/098192A1
A turbo molecular pump is provided with: a rotor (30) having formed thereon a multi-stage rotating blades (32) and rotating at high speed; fixed blades (33) arranged alternately relative to the rotating blades (32) in the pump axis direc...  
WO/2010/097384A2
The invention relates to a multi-inlet vacuum pump having a first pump device (10) provided with a first rotor element (18) comprising several first rotor disks (20) which are arranged successively in the conveying direction (36), and a ...  
WO/2010/095218A1
If the natural frequency of a rotor fluctuates, a spindle vibration may be excited and oscillated when the rotor is arranged in the unstable region of a filter inside of a control circuit. In order to realize the stabilization of the spi...  
WO/2010/089579A1
First and second pump stages provide a flow-path from an inlet to the outlet (30), the flow-path being arranged so that molecules entering the first inlet (26) pass to the outlet through the first (120) and second (122) pump stage, and s...  
WO/2010/081294A1
An axial-flow type electronic radiator fan includes a fan blade (5) and a motor. The fan blade (5) is formed in multi-stage blade structure or single-stage blade structure. The single-stage blade structure is that all of the fan blades a...  
WO/2010/072568A1
The invention relates to a vacuum pump, particularly a Holweck vacuum pump, comprising a pump housing (34), in which a rotor element (24, 36) is arranged. The rotor element comprises at least two tube-shaped conveying elements (24), whic...  
WO/2010/069814A1
The invention relates to a vacuum pump comprising at least one pump element (12) arranged in a housing (10). The pump element is supported by a shaft (14). A fastening flange (20) is connected to the housing (10) in order to fasten the p...  
WO/2010/066540A1
An impeller for a fan has a hub (1), in which a receptacle (8) for a shaft is formed, and a multiplicity of vanes (2) which are fastened to the hub (1). At least one elastic damping body (6) is provided on the hub (1) so as to be arrange...  
WO/2010/064321A1
A vacuum pump comprises a rotary body rotating at a high speed, a pump casing having an air suction port and storing the rotary body, and a protection net which is attached to the suction port and formed by integrally laminating a plural...  
WO/2010/058002A1
The invention relates to a method for operating a multistage compressor (CO), comprising monitoring the pump limit (SL), wherein at least a first measurement parameter measured during operation is compared to a reference parameter, said ...  
WO/2010/057834A1
A turbomolecular pump comprises a rotor element (12) disposed in a pump housing (18). The rotor element (12) is surrounded by a stator element (24). An intermediate chamber (36) is provided between the stator element (24) and the pump ho...  
WO/2010/052056A1
A vacuum pump rotor, particularly a turbomolecular pump rotor, comprises a plurality of separate rotor elements (10). Each rotor element (10) comprises at least one rotor disc (18). The rotor disc (18) is connected to a cylindrical proje...  
WO/2010/042958A2
A pedestal fan comprising fan grill with diverting surface and wind direction changing mechanism is provided, in which the wind direction changing mechanism comprising a steel plate (10) provided a funnel (lO.a), one end of the funnel is...  
WO/2010/038896A1
Disclosed is a turbo-molecular pump, wherein in connection with a dimensionless number (X), that is, the ratio between an inter-blade distance (S) of the moving blade of a rotary vane (4B) and the stationary blade of a fixed blade (2B) a...  
WO/2010/031977A1
The turbomolecular pump with a flexible mount includes: a sealed housing (100) mounted by means of a mechanical damper (150) onto a frame (160); a vertical mounting (102) driven by an electric motor (140); radial magnetic bearings (111, ...  
WO/2010/023200A1
A stator-rotor arrangement for a vacuum pump, in particular for a turbomolecular pump, comprises a plurality of stator discs (18) that cooperate with a rotor element (14), said stator discs being disposed between rotor discs (16). The st...  
WO/2010/021307A1
Provided is a vacuum pump in which the temperature of a rotor is more accurately detected by a simpler method. A sensor unit in which a thermistor (51) is fixed to a frame (53) by a thin film such as a polyimide film is disposed on a sta...  
WO/2010/016141A1
A rotary vacuum pump has a rotor (4) rotatably supported on a base (3), a stator (43) disposed around the rotor (4), an outer casing (2) in which the stator (43) is received, fastening devices (71) for fastening together a flange surface...  
WO/2010/015847A1
A vacuum pump surrounded by a ballistic blanket.  
WO/2010/015501A1
A rolling-element bearing for bearing rotating components in vacuum devices comprises a plurality of rolling elements (10) arranged between bearing elements (12, 14). A bearing compartment (26) is for example closed by sealing elements (...  
WO/2010/012526A1
A vacuum pump, in particular a turbomolecular pump or a multi-inlet pump, comprises a rotor shaft (12) that supports at least one rotor device (14). The rotor shaft (12) is mounted on the pressure side by way of a bearing arrangement (56...  
WO/2010/007975A1
Provided is a vacuum pump which can detect precisely the physical contact between a rotary portion and a stationary portion and the arrival of the accumulation of a solid product at the clearance between the rotary portion and the statio...  
WO/2009/156286A1
A shaft arrangement for fast-rotating shafts, such as are used as rotor shafts for turbomolecular pumps in particular, comprises two separate shaft journals (10) that are connected together. A roller bearing (12) is disposed at each of t...  
WO/2009/153874A1
A turbo-molecular pump comprises a rotating body (3) having multiple stages of rotary vanes (31) formed in the axial direction and a rotary cylindrical part (32) formed on the exhaust side, a stacked body (23) formed by stacking multiple...  
WO/2009/147426A1
The present invention relates to a vacuum pumping system (10) which comprises: a vacuum pumping mechanism (12) and a motor (14) for driving the vacuum pumping mechanism. Means (16) are provided for determining a cumulative load on the va...  
WO/2009/147241A2
The invention relates to an apparatus for indirect conversion of ocean wave energy into electric energy or into mechanical work. In this regard the apparatus comprises at least one floating element, a lever arm connected to the floating...  
WO/2009/141222A1
The invention relates to a multi-stage vacuum pump, comprising a plurality of rotor elements (14, 16) disposed on a common shaft (10) in a pump housing (12) for configuring multiple pump stages (18, 24, 26). The shaft is driven by an ele...  
WO/2009/142905A1
A method of depositing a material on a substrate comprises placing a substrate into a process space in fluidic communication with a Gaede pump stage (GPS). A precursor gas is then injected into the process space while injecting a draw ga...  
WO/2009/115752A3
The present invention relates to an electric fan (1) comprising a shroud (7), a motor, a rotary assembly (2) comprising at least one blade (5) rotated by the motor in such a way as to create an airflow inside the shroud, an electronic co...  
WO/2009/133106A1
A vacuum pump has a suction chamber (12), in which multiple pump elements (14) are disposed. The suction chamber (12) is connected to a container (28) for receiving a cleaning liquid. Sound waves can be generated via noise generators (34...  
WO/2009/133394A1
A vacuum pump comprising fluid distribution systems which utilise quick connect fittings.  
WO/2009/127656A1
The invention relates to a pump stator (10) and a pump rotor (11). The pump rotor (11) contains a transponder (14) that can be read out by a reader of the pump stator. The pump rotor (11) also contains sensors (26) for determining operat...  
WO/2009/128743A1
The invention relates to aviation engine engineering, more specifically to fans for aircraft gas-turbine engines and makes it possible to reduce noise during the operation thereof. The technical result is achieved in the inventive birota...  
WO/2009/127483A1
The invention relates to a pump stator (10) and a pump rotor (11). Said pump rotor (11) contains a transponder (14) that can be read out by means of a reader (12) of the pump stator. The pump rotor (11) also contains an identity protecti...  
WO/2009/128742A1
The invention relates to aviation engine engineering, more specifically to fans for aircraft gas-turbine engines and makes it possible to reduce noise during the operation thereof. The technical result is achieved in the inventive birota...  
WO/2009/122506A1
A turbomolecular pump comprising a base (3); a rotor (4) rotatably supported thereon; a stator (400) disposed around the rotor (4); and a tubular casing (2) designed to accommodate the stator (400). The stator (400) consists of a laminat...  
WO/2009/115752A2
The present invention relates to an electric fan (1) comprising a shroud (7), a motor, a rotary assembly (2) comprising at least one blade (5) rotated by the motor in such a way as to create an airflow inside the shroud, an electronic co...  
WO/2009/107106A1
A personal cooling fan is integrated into a mobile electronic device (110, 210, 310). The mobile electronic device (110, 210, 310) has a vibration alert system that includes control circuitry (140, 340) to control a vibration motor (120,...  
WO/2009/103701A1
A vacuum pump is connected to two multi-staged vacuum pumps (26) and one pre-vacuum pump (22) for producing very low pressures, in particular in the range of 10-10 mbar. A pressure is produced in the individually series-arranged vacuum c...  
WO/2009/101699A1
A turbomolecular pump has multiple stages of alternately arranged rotors and stators. Each of the rotors has blades radially extending from a rotating body. Each of the stators has blades radially extending toward the rotating shaft of t...  
WO/2009/100741A1
The invention relates to an inlet connecting piece for an axial-flow compressor, especially a turbocompressor, comprising an inlet housing (1) containing a bearing housing (2) comprising a bearing (3), especially a radial and/or axial be...  
WO/2009/097644A1
A ceiling sweep fan comprising a rotor supported for axial rotation about upper and lower housings, the rotor supporting a plurality of radially extending fan blades, the upper housing and rotor enclosing an electric motor that drives th...  
WO/2009/098479A1
A gas compressor has an upstream rotor arrangement (A) and a downstream rotor arrangement (B), wherein the upstream and downstream rotor arrangements are driven to rotate in opposite senses. Also, for an axial flow gas compressor having ...  
WO/2009/089958A1
The invention relates to a turbo molecular pump, comprising a rotor (12) connected to a drive shaft (10). The rotor (12) has multiple rotor blades (16). The rotor (12) is surrounded by stator rings (26), wherein one stator ring (26) is p...  
WO/2009/021809A3
The invention relates to a pump bearing arrangement suitable particularly for rapidly rotating pumps, such as turbomolecular pumps, having a pump rotor (10) connected to a rotor shaft. The rotor shaft (14) is supported in a shaft housing...  
WO/2009/004378A3
A vacuum pump (50) comprises a casing and a rotor located in the casing, the rotor comprising a shaft (52) supported by a bearing arrangement (64, 66) for rotation relative to the casing. A lubricant reservoir (82) is provided for storin...  

Matches 351 - 400 out of 5,166