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Matches 1 - 50 out of 4,794

Document Document Title
WO/2018/011764A1
Axial ventilator (1) comprising a motor (M) equipped with a shaft and a fan (3) comprising a central hub (4) keyed by interference on the shaft of the motor (M); the ventilator (1) has at least one stable and irreversible connection poin...  
WO/2018/007029A1
The invention relates to a geared turbo machine (10), comprising a transmission (11), a drive assembly (12) and multiple output assemblies (13, 14, 15, 16), which are integrated to form a machine train; wherein the transmission (11) comp...  
WO/2018/001811A1
A vacuum pump, such as a turbomolecular vacuum pump, comprises a rotor shaft (10) that is mounted in a pump housing (16) by means of two bearings (12, 14). The rotor shaft supports rotor elements (18, 20). Furthermore, two bearing accomm...  
WO/2017/216173A1
The invention relates to a mass-spectrometry leak detector, comprising a multi-stage turbomolecular pump (12), a mass spectrometer (17) connected to the suction side of the turbomolecular pump (12), a preliminary vacuum pump (18) connect...  
WO/2017/216514A1
A pump assembly method and computer program are disclosed. The pump assembly comprises: a pump, an associated motor controller and an accelerometer mounted on the pump. The motor controller is configured to control power supplied to driv...  
WO/2017/207706A1
The invention relates to a vacuum device, in particular a vacuum pump, sensor, measuring device, or valve, comprising at least one component having a portion which, during operation of the vacuum device, is in contact with a vacuum and w...  
WO/2017/198801A1
The present disclosure relates to a fan apparatus (1). The fan apparatus (1) includes an impeller (12A, 12B, 12C, 26A, 26B) for generating a flow of air. A drive means (14) is provided for driving the impeller (12A, 12B, 12C, 26A, 26B). ...  
WO/2017/198801A9
The present disclosure relates to a fan apparatus (1). The fan apparatus (1) includes an impeller (12A, 12B, 12C, 26A, 26B) for generating a flow of air. A drive means (14) is provided for driving the impeller (12A, 12B, 12C, 26A, 26B). ...  
WO/2017/192651A1
A fan assembly includes a shrouded fan rotor (18) having a plurality of fan blades (22) extending from a rotor hub (24) and rotatable about a central axis (20) of the fan assembly and a fan shroud (26) extending circumferentially around ...  
WO/2017/192647A1
A fan assembly (10) includes a shrouded fan rotor (18) having a plurality of fan blades (22) extending from a rotor hub (24) and rotatable about a central axis (20) of the fan assembly, and a fan shroud (26) extending circumferentially a...  
WO/2017/184804A1
One exemplary embodiment of this disclosure relates to a refrigerant compressor for use in a chiller system. The compressor includes an electric motor arranged upstream of a stage of a compressor in the main refrigerant flow path. This d...  
WO/2017/170829A1
This compressor rotor is provided with: a first outside cavity (23A) which is formed in a rotor main body (21) and into which high-pressure side air from a moving blade (82) is introduced; a first inside cavity (24A) which is formed inwa...  
WO/2017/159397A1
A multistage axial compressor according to the present invention is provided with a rotating shaft to which a plurality of moving blades is attached, a casing that surrounds the rotating shaft and that forms a flow path for a working flu...  
WO/2017/157529A1
An electric appliance has a housing part, a holding part (2), a printed circuit board (30, 31), a plug connector (21) and a cooling fan (1), wherein the cooling fan is connected to the holding part, the plug connector is mechanically con...  
WO/2017/149227A1
Motor-fan assembly (3) for cooling a motor vehicle component (1), said motor-fan assembly (3) comprising an air propelling device (5, 7), characterized in that the air propelling device (5, 7) includes a hydraulic circuit (31a, 31b, 31c)...  
WO/2017/140471A1
The invention relates to a vacuum pump (10) for a packaging machine (1), said vacuum pump (10) comprising an electric motor (11), a pressure generation unit (12) and a housing (14). The vacuum pump (10) is characterized in that a control...  
WO/2017/138154A1
[Problem] To provide a vacuum pump which suppresses the penetration of foreign matter such as rust or particles attributable to a process gas into a semiconductor wafer manufacturing process, and a flexible cover and a rotor for use in t...  
WO/2017/137201A1
The invention relates to compressor rotor blade for an axial-type compressor having a blade profile having a transsonic section and has a profile section (21) of the blade profile which extends in the transonic section and which has a co...  
WO/2017/127101A1
A novel integrated modular, multi-stage motor - pump/compressor device (10) is disclosed herein. In one example, the device (10) includes an outer housing (12) an electric motor stator (25) positioned within the outer housing (12) and a ...  
WO/2017/127754A1
A two stage axial fan includes a tubular fan housing, first and second motors which are positioned in series in the fan housing, a first impeller which is positioned in the fan housing and is driven by the first motor, and a second impel...  
WO/2017/126742A1
A fluid transfer apparatus is disclosed. The apparatus of the present invention comprises: a housing; a rotation shaft rotatably disposed in the housing; and a blade installed to the rotation shaft, wherein at least one groove is formed ...  
WO/2017/121696A1
The invention relates to a vacuum pump, in particular a turbo-molecular pump, having a rotor element (10) arranged in a housing (30). A stator element (14) cooperates with the rotor element (10). The rotor element (10) is connected to a ...  
WO/2017/111344A1
The present invention relates to a pump assembly for discharging, by high pressure, mixed materials (a mixture of liquid and fluid) having flowed therein, and, more specifically, to a pump assembly having a mixing function, providing a d...  
WO/2017/108528A1
A connection device serves to connect a first tube end (10) which can be connected to a vacuum pump to a second tube end (12) which can be connected to a chamber to be evacuated. To this end, the connection element (26) has a tube elemen...  
WO/2017/103580A1
The present invention relates to a turbo-molecular vacuum pump comprising bearings (26) for supporting the drive shaft and/or the rotor in relation to a pump body (10), wherein a first bearing is coupled to the rotor and disposed on supp...  
WO/2017/104541A1
[Problem] To provide: a vacuum pump with which particles are prevented from flowing back towards the gas inflow side; and a rotating blade and a reflection mechanism mounted on the vacuum pump. [Solution] A reflection mechanism 30 is ins...  
WO/2017/099182A1
[Problem] To provide a linked-type screw groove spacer that can be reduced in size while exhaust performance of a screw groove pump section is maintained, and a vacuum pump furnished with this linked-type screw groove spacer. [Solution] ...  
WO/2017/093245A1
The invention relates to a fan wheel (2) for an axial fan for producing a cooling air flow, preferably for a vehicle radiator, comprising a hub (7), from which a plurality of blades (8) extends, wherein each blade (8) has, radially insid...  
WO/2017/085076A1
The invention relates to a device for storing kinetic energy, which has a flywheel (18) in a housing (10). The flywheel (18) is mounted in the housing (10) via a shaft (16). A motor-generator unit (22) is provided for storing energy as w...  
WO/2017/086135A1
[Problem] To provide a vacuum pump with which the solidification of gas is prevented while the pump is operated normally. [Solution] A vacuum pump (1) equipped with a rotor (20) rotatably supported on a base (11), a stator (70) having a ...  
WO/2017/087508A1
A method of operating a pumping system includes an electric motor and a variable speed drive. The method includes the steps of setting a first preference for the operation of the motor, loading a first optimized motor model into the vari...  
WO/2017/069249A1
A ventilation flow path (22), a cooling air flow path (178), a mixing space (177) and a mixed air flow path (137) are formed in this gas turbine rotor (2). The ventilation flow path (22) guides compressed air (Acom) which is axially upst...  
WO/2017/063712A1
The present invention concerns a connecting element for connecting a blade, or airfoil profile, to the hub of an industrial axial fan, a blade system comprising said connecting element, and an industrial axial fan comprising such blade s...  
WO/2017/061540A1
Provided is an impeller for reducing power consumption without deterioration of airflow characteristics of a fan and an axial fan including the impeller. An impeller (1) of the present invention includes a hub (10) and a plurality of bla...  
WO/2017/041009A1
A fan with a hub, one or more fan blades (302) coupled to the hub, each fan blade having a length L1 and a width W and a plurality of serrations over a length L2 of a leading edge.  
WO/2017/021553A1
A fluid processing machine that includes a stator capable of generating an electromagnetic field and a first rotor section having at least one impeller and at least one permanent magnet. The stator is configured to electromagnetically en...  
WO/2017/017025A1
The LNG plant comprises a compression train (100) and a further compression train (200), and may advantageously implement for example 3-cycles pure-refrigerants liquefaction technologies or multiple-cycles pure-refrigerant and mixed-refr...  
WO/2017/014022A1
[Problem] To provide a venting system in which condensation or solidification of gas in a vacuum pump can be prevented, and in which early-stage overheating can be prevented, without increasing the cost of the overall venting system, and...  
WO/2017/012988A3
The invention relates to a pump system comprising a vacuum pump (12) and a cooling element (18) connected to said vacuum pump (12). A coolant feed (20) and a coolant discharge (22) are connected to the cooling element (18) for the purpos...  
WO/2017/012761A1
A compressor includes impellers each having its chord angle less than its stall angle. The impellers can be used in a contra-rotating impeller arrangement without static diffusers. The contra-rotating impeller arrangement provides for mu...  
WO/2017/005843A3
The compressor system (1) comprises: a first compressor (7) having a compressor suction side (7S) and a compressor delivery side(7D); an anti-surge line (23) having an inlet (23A) and an outlet (23B); an anti-surge valve (25) arranged al...  
WO/2017/006844A1
[Problem] To provide an electromagnet unit, a magnetic bearing device, and a vacuum pump in which radial displacement of a rotating body is detected with precision. [Solution] An upper electromagnet unit (61) is provided with a radial el...  
WO/2017/005843A2
The compressor system (1) comprises: a first compressor (7) having a compressor suction side (7S) and a compressor delivery side(7D); an anti-surge line (23) having an inlet (23A) and an outlet (23B); an anti-surge valve (25) arranged al...  
WO/2016/201455A1
A blower includes a power supply unit drivingly coupled to a fan assembly including a plurality of fan stages via an input shaft coupled to the fan stages. Each fan stage includes a housing, a plurality of stationary vanes, and a fan inc...  
WO/2016/198260A1
The invention relates to a vacuum-pump rotor, in particular a vacuum-pump rotor for a turbomolecular pump, having a hub element (10) for connecting to a rotor shaft or for forming a rotor shaft. A plurality of rotor blades (12) are conne...  
WO/2016/193664A1
An improved split flow vacuum pump is provided with at least two of compound pumps housed in a common housing comprising first, second, third and fourth inlets for receiving gas from a respective first to fourth chamber; said pumps are a...  
WO/2016/190754A1
A solar heat collector (100) is provided which has a plurality of upper air channels (3) arranged adjacently. A first flow control means (20) is provided at a first end of the upper air channels (3) and a second flow control means (20) i...  
WO/2016/173595A1
The invention relates to an inlet nozzle (1) for a radial, diagonal or axial-flow fan, comprising an inlet section (3) that is circular in cross-section, has a radius of curvature, and tapers in diameter in the direction of flow (4), cha...  
WO/2016/167223A1
A gas turbine manufacturing method for manufacturing a derivative gas turbine 200 having a different cycle from a standard gas turbine 100 provided with a standard compressor 1, wherein a compressor 201 of the derivative gas turbine 200 ...  
WO/2016/166504A1
The present inventive concept is directed to a vacuum pump comprising a rotor and a stator, wherein the rotor is supported by metal bearings (such as steel bearings) to allow relative rotation of the rotor with respect to the stator. A l...  

Matches 1 - 50 out of 4,794