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Patent Searching and Data


Matches 501 - 550 out of 5,758

Document Document Title
WO/2010/084422A2
Herein described is a system for injecting and extracting gas for a fluid rotating machine (10) of the type comprising at least one stator case (12), one first stage (20) which receives the gas flowing into the machine (10), one final st...  
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/2010/052074A1
The present invention relates to a diagonal fan, comprising a diagonal fan impeller (1) which is fastened to a rotor (2) of an external rotor motor (3) and which is arranged between a front plate (5), which has an in particular central i...  
WO/2010/047242A1
Provided is a flowing-through fan formed by laminating, in the center axis direction, a plurality of wheels each including a plurality of blades (224). The section of each of the blades (224) perpendicular to the rotational center axis ...  
WO/2010/042077A1
The subject of the invention is a new design of a centrifugal turbo machine rotor, such as a blower, pump or fan, which is generating the pressure difference and volume flow of fluid. The rotor (1) of the centrifugal turbo machine of the...  
WO/2010/030802A2
A high-efficiency, multi-stage centrifugal pump and method of assembly. The pump can include three pump stages with each one of the three pump stages including a front casing, a back casing, an impeller, and a bladed diffuser. The front ...  
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/2010/015847A1
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/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/2009/140854A1
A multi-function centrifugal fan includes a casing (8), an impeller (9), an air swirl chamber (5), an impeller working chamber (6), an air inlet (7), an air outlet (4) and a motor (10). The casing (8) is divided into the air swirl chambe...  
WO/2009/136585A1
A cross‑flow fan is equipped with a blade wheel comprising plate blades (42). The blades (42) are inclined so that the outer edge (42a) of a blade (42) is located forward of the inner edge (42d) thereof in the rotational direction of t...  
WO/2009/136584A1
The cross‑flow fan is equipped with a blade wheel comprising plate blades (42). The blades (42) are inclined so that the outer edge (42a) of a blade (42) is located forward of the inner edge (42d) thereof in the rotational direction of...  
WO/2009/132956A1
Arrangement (1) with an electric motor (3) driving a pump (2), which is delivering a process fluid (10) along a flow path (100), which flow path extends along a gap (35) between a stator (32) and a motor rotor (31) of the electric motor ...  
WO/2009/131462A3
The invention relates to a wet gas compression system comprising a compact flow conditioner (21), intended to be placed below sea level in close vicinity to a well head or on a dry installation, said flow conditioner (21) being intended ...  
WO/2009/118476A1
The present invention relates to an electric fan (1) of the tower type, comprising a vertical casing (2) of elongate shape which can stand freely or via a base on the floor, the said casing (2) containing at least one electric motor capa...  
WO/2009/112064A1
A turbo engine comprises: An outer housing (2) with an inner housing (6) arranged therein, in particular a guide vane carrier with an impeller shaft (10) arranged therein; a cover (4; 8) which is attached to the outer housing (2) and whi...  
WO/2009/108014A3
The present invention relates to a turbo compressor using mass-containing liquid. The disclosed turbo compressor comprises: a housing which is closed so a space is formed therein; a driving motor whereof a drive shaft is inserted into th...  
WO/2009/108014A2
The present invention relates to a turbo compressor using mass-containing liquid. The disclosed turbo compressor comprises: a housing which is closed so a space is formed therein; a driving motor whereof a drive shaft is inserted into th...  
WO/2009/105600A1
A centrifugal compressor assembly (24) for compressing refrigerant in a 250-ton capacity or larger chiller system (20) comprising a motor (36), preferably a compact, high energy density motor or permanent magnet motor, for driving a shaf...  
WO/2009/105602A1
A centrifugal compressor assembly (24) for compressing refrigerant in a 250-ton capacity or larger chiller system (20), the centrifugal compressor assembly comprising a mixed flow impeller (56, 58) and a vaneless diffuser (112) sized suc...  
WO/2009/103578A1
The present invention relates to a ventilator wheel or fan wheel composed of a hub and blades which are fastened in said hub. The hub and/or the blades are at least partially provided, on the surface thereof, with an antibacterial agent.  
WO/2009/077455A1
A fluid-mechanical machine comprises a bladed rotor (2) which can be rotated about a rotation axis (X) and which can be housed in a manifold (3) in which an inlet section (4) and an output section (5) are defined for the operative fluid ...  
WO/2009/074834A4
Disclosed is an actinic (radial) fluid drive (AF) which can replace any propeller used, e.g. for fans, ventilators, pumps, hydraulic power plants and wind power plants (repeller), watercraft and aircraft (boats, helicopters, etc.) and ca...  
WO/2009/074834A1
Disclosed is an actinic (radial) fluid drive (AF) which can replace any propeller used, e.g. for fans, ventilators, pumps, hydraulic power plants and wind power plants (repeller), watercraft and aircraft (boats, helicopters, etc.) and ca...  
WO/2009/074834A8
Disclosed is an actinic (radial) fluid drive (AF) which can replace any propeller used, e.g. for fans, ventilators, pumps, hydraulic power plants and wind power plants (repeller), watercraft and aircraft (boats, helicopters, etc.) and ca...  
WO/2009/072160A2
A gas compression plant (1) including at least a gas compressor (2) and at least a cylinder casing (3) is disclosed. The compressor (2) completely compresses the gas via at least two consecutive compression stages. The cylinder casing (3...  
WO/2009/071910A1
A compressor (110) comprising a casing (1) and an impeller (12) with a back side (16) is disclosed. The casing (1) comprises at least one inlet (21, 22, 23) which is connected to a cooling liquid supply and located such as to lead a cool...  
WO/2009/065394A1
The invention relates to a blower arrangement for turbo machines consisting of at least one, preferably, spiral-shaped housing (20) and at least one impeller (10) that is rotationally mounted about a rotational axis (90) and that is acco...  
WO/2009/066323A2
The invention is essentially a tangential flow rotor assembly that can function as a turbine or a blower/compressor or a propeller or a combination of these. Its main components are a tangential flow rotor, a rotor rim cover plate encirc...  
WO/2009/062583A1
The invention relates to a two-stage air compressor, comprising a first compression stage with a low pressure cylinder; a second compression stage with a high pressure cylinder; a connecting element for producing a channel connection fro...  
WO/2009/058975A1
A system for controlling a centrifugal gas compressor (108) in an HVAC, refrigeration or liquid chiller system (100) in which flow of gas through the compressor is automatically controlled to maintain desired parameters within predetermi...  
WO/2009/056821A3
A gas compressor a rotor shaft and is arranged such that gas flow to an impeller stage is via a bore in the rotor shaft; and/or impeller stages are arranged in series such that flow into respective stages is in respectively opposed direc...  
WO/2009/056987A2
A system and a method for adding and subtracting stages of compression to a compressor as and when the compressor requires them. If the compressor needs only a low pressure ratio, then the system and method allow the compressor to operat...  
WO/2009/056207A2
The invention relates to an air exhaust device (2) comprising an intake opening (4), an air conduction channel and a discharge opening (6). The aim of the invention is to improve the precipitation rate of the air exhaust device. To achie...  
WO/2009/056207A3
The invention relates to an air exhaust device (2) comprising an intake opening (4), an air conduction channel and a discharge opening (6). The aim of the invention is to improve the precipitation rate of the air exhaust device. To achie...  
WO/2009/056821A2
A gas compressor a rotor shaft and is arranged such that gas flow to an impeller stage is via a bore in the rotor shaft; and/or impeller stages are arranged in series such that flow into respective stages is in respectively opposed direc...  
WO/2009/056288A2
Disclosed is a pharmaceutical composition comprising a mixture of a basic granulate made of at least one pharmaceutically acceptable adjuvant, atorvastatin or rosuvastatin or pharmaceutically acceptable salts thereof, and other optional ...  
WO/2009/056987A3
A system and a method for adding and subtracting stages of compression to a compressor as and when the compressor requires them. If the compressor needs only a low pressure ratio, then the system and method allow the compressor to operat...  
WO/2009/053155A1
The invention relates to a pressure vessel (1) having a lid (3), particularly a pressure vessel (1) of a turbo engine (turbo compressor 4), particularly comprising a lid (3) that is configured as an inlet spiral (7), wherein the lid (3) ...  
WO/2009/046700A1
The invention relates to a compression method, wherein the mechanisms of action of the radial and axial compressors take place in one process stage. Such a technical solution is required primarily in the field of energy management and in...  
WO/2009/041460A1
A compressor in which a resonance sound in a circulation flow path is suppressed so that the compressor does not to produce increased noise. The compressor has blades rotationally driven about their rotation axis, a gas entrance (4) exte...  
WO/2009/041844A1
The invention relates to fan units with a free radial fan impeller which are mainly used in tube axial fans. Said invention makes it possible to increase the productive efficiency at high static pressure and to reduce a noise level. The ...  
WO/2009/033699A1
The invention relates to a drum ventilator (1) having a ventilator motor comprising a stator (2) and a permanent magnetic rotor, and having a ventilator drum (3) comprising at least one first and a second drum collar (4), particularly be...  
WO/2009/034006A1
The present invention relates to a compressor unit, composed of a drive motor and a single-stage or multi-stage turbo compressor, wherein the drive motor and the compressor are arranged in a common housing which is gas-tight with respect...  
WO/2009/027485A1
The vacuum pump has a housing (10) which is closed by way of a vacuum lid (20). A printed circuit board (16) is situated as current leadthrough between an end wall (14) of the housing (10) and the vacuum lid (20). The printed circuit boa...  
WO/2009/022103A3
There is described a gas turbine engine (10) comprising a gas inlet (12), a compressor (14), a combustion chamber (16), and a gas outlet (20) at or near the periphery of the combustion chamber. The gas inlet (12) is located at or near an...  
WO/2009/022103A2
There is described a gas turbine engine (10) comprising a gas inlet (12), a compressor (14), a combustion chamber (16), and a gas outlet (20) at or near the periphery of the combustion chamber. The gas inlet (12) is located at or near an...  
WO/2009/011241A1
A gas compression device for compressing gas by multiple compression means arranged in series relative to the direction of flow of the gas. The flow rate of the gas sucked into a gas compression section is controlled according to the amo...  
WO/2008/149773A1
A seal device for a rotary fluid machine, which can stabilize a behavior of a rotating shaft of the rotary fluid machine, and a rotary fluid machine. The seal device has a housing (2) for rotatably receiving a rotating shaft (3) inside i...  

Matches 501 - 550 out of 5,758