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Matches 501 - 550 out of 5,822

Document Document Title
WO/2011/023690A2
The invention relates to a compressor (C) comprising at least two stages (ST1, ST2, ST3, ST4) of compression, a first stage (ST1) and a second stage (ST2). Conventional compressors of this type comprise severe limitations with respect to...  
WO/2011/022898A1
An inflatable and deflatable air pump includes a panel (11), a panel cover (12) matched with the panel (11), an air chamber (13) installed inside the panel cover (12), a motor (14) connected with the air chamber (13), and a hollow cylind...  
WO/2010/129274A3
A turbocompressor for use with a process fluid and including an axial expansion turbine for expanding the process fluid and a centrifugal compressor for compressing the process fluid. The turbine and compressor share a common shaft, all ...  
WO/2011/018005A1
A centrifugal compressor having lower compression ratio and an air conditioning unit using the same are provided. The compressor includes an impeller (4), a rotary shaft (5), a motor (8), a driving gear (6) and a driven gear (7). The imp...  
WO/2011/017857A1
A rotating diffuser wall type adjustable air compressor apparatus includes an air compressor shell (1), the air compressor shell has an air inlet (2) and an air collection path (3), an air compressor impeller (4) is placed in the air com...  
WO/2011/011989A1
A blower, including a snail-shaped base(6), a snail-shaped cover(4), blades(7) and a motor(3), in which the snail-shaped base and the snail-shaped cover are arranged together to form a compression exhaust duct, and the blade is horizonta...  
WO/2011/006736A1
A turbocompressor assembly (10) which is divided along an axis- (12) of a rotor (11) into at least three sections (13, 18, 22), a bearing section (13) having at least one active magnetic bearing (14), a motor section (18) comprising a mo...  
WO/2011/005455A2
A single-shaft exhaust gas-driven turbocharger includes two parallel-flow first-stage centrifugal compressors in series with a single second-stage centrifugal compressor, and a one-stage turbine arranged to drive both the first- and seco...  
WO/2010/111357A3
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/2010/139030A2
The diagonal ventilator or set of ventilators in this invention is used in confined spaces to heat or cool products through a forced flow, in batch or continuous process with or without additional injection of hot or cold gas. The inlet ...  
WO/2010/135091A2
The present invention relates to a compressor (1) of an exhaust-gas turbocharger having a compressor housing (2) which has a compressor outlet connecting pipe (3), and having a sound absorber (4), wherein the sound absorber (4) is formed...  
WO/2010/133868A1
A vacuum pump rotor suitable for use in a vacuum pump is described for a vacuum pump that comprises a regenerative pumping mechanism. The rotor has a generally disc-shaped configuration and is mounted on an axial shaft for rotation relat...  
WO/2010/129214A2
A diaphragm assembly of a centrifugal compressor includes a return channel wall having a generally ring-like shape; a vane assembly having a plurality of vanes formed integrally with at least one ring-shaped track having a rail structure...  
WO/2010/129274A2
A turbocompressor for use with a process fluid and including an axial expansion turbine for expanding the process fluid and a centrifugal compressor for compressing the process fluid. The turbine and compressor share a common shaft, all ...  
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/2010/115420A1
The invention relates to a compressor arrangement (1) having an axial compressor (10) and a radial compressor (20) disposed one after the other on a common driveshaft (30) that can be coupled to a drive (60), and each comprising a compre...  
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/2010/084422A3
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/2010/109149A2
The invention relates to equipment for separating air, including a double column including a medium pressure column (37) and a low pressure column (29), a main exchanger (21), a main compressor (4), and a means (39, 41) for producing gas...  
WO/2010/104083A1
A crossflow fan is provided with a rotatable impeller formed of curved blades (42). Each blade (42) has an outer peripheral edge portion (43), which is in proximity to the centrifugal end of the impeller, and an inner peripheral edge por...  
WO/2010/095507A1
Provided is a gear-driven turbocompressor wherein the length of an overhang from a radial bearing to a shaft end is reduced to increase the natural frequency of the shaft; the amount of lubricant oil is drastically reduced to reduce the ...  
WO/2010/086009A1
The invention relates to an improved multi-stage centrifugal compressor (10) comprising at least four centrifugal compression stages (11,12,13,14), each including an impeller. The impellers of one pair of the stages (12,13) are mounted o...  
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/2009/131462A3
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/2009/056207A3
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/2009/141222A1
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/2009/108014A3
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/2009/136585A1
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/2009/118476A1
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/2009/022103A3
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/2009/112064A1
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/2009/108014A2
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/2009/074834A4
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/2009/056987A3
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/2009/077455A1
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/2009/056821A3
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...  

Matches 501 - 550 out of 5,822