Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 4,837

Document Document Title
WO/2018/066471A1
[Problem] To provide a vacuum pump having low power consumption while maintaining high exhaust performance. [Solution] In a vacuum pump according to an embodiment of the present invention the outer diameter of a helical plate arranged on...  
WO/2018/060030A1
A rotating device for a compressor of a gas turbine is presented. The rotating device, connectible with the compressor, includes a first shaft, a second shaft, rotatable blades, a bearing assembly, an external drive and an input port for...  
WO/2018/063820A1
An active magnetic bearing system includes a radial actuator and an axial actuator. The radial actuator includes a radial stator coupled to a stationary component, and a radial rotor coupled to a rotatable impeller. The radial rotor exte...  
WO/2018/061577A1
[Problem] To alleviate the occurrence of localized high pressure in a helical plate in a vacuum pump. [Solution] A vacuum pump wherein holes are formed in a stationary disk, and the ratio of holes at the front edge (outer circumferential...  
WO/2018/054722A1
The present invention discloses a compressor or pump stage at least comprising a central shaft (8) and one rotor (3), where the axis of rotation of the rotor (3) is the central shaft (8) and where the rotor comprises a number, n, of rows...  
WO/2018/055780A1
[Problem] To provide a fluid-drawing unit, etc., for drawing in and discharging a byproduct powder generated inside a vacuum pump, etc. [Solution] A fluid-drawing unit 1 is provided with a cylindrical body 10 that is open at both ends an...  
WO/2018/046912A1
A turbomolecular pump (10) has a pumping mechanism (14) disposed in a housing (12). The pumping mechanism has a rotor shaft (24) supported by a rolling bearing (32) supported by a resilient bearing support (40). A lubricant transfer devi...  
WO/2018/046913A1
Infra-red sensors (2) are often used in turbo molecular pumps (1) to detect the temperature of the rotor (100) or other mechanical parts and therefore indicate imminent, or potential, running failures. As deposits build up on either the ...  
WO/2018/042150A1
A pump casing assembly has a first body part (16), a second body part (18) and a seal (14) disposed between the first and second body parts. The first body part has a first face that defines a recess to receive the seal and the second bo...  
WO/2018/042151A1
Electronics modules for vacuum pumps were previously separate from the pump housing. More recently they have been attached to the pump housing. Thermal breaks are usually provided between the pump and the control to allow independent the...  
WO/2018/042172A1
Aspects and embodiments provide a vacuum pump assembly comprising a motor. The motor comprises: a motor rotor magnet and a stator. The rotor motor magnet is configured to be rotatable relative to the stator about an axis to drive a vacuu...  
WO/2018/043072A1
[Problem] To provide a vacuum pump and a rotary cylindrical body installed in the vacuum pump, capable of reducing stress without reducing the rotation speed of the rotary cylindrical body (rotary body). [Solution] In this vacuum pump pe...  
WO/2018/033697A1
A turbo pump vent assembly and method are disclosed. The turbo pump vent assembly comprises: a primary manual actuator operable to deliver an initial volume of air to a turbo pump; and a secondary manual actuator operable to deliver a se...  
WO/2018/033875A1
This invention relates to a ventilator (10), particularly this invention relates to a smoke ventilator. The ventilator (10) comprises a shaft (12) having a bearing means (14) supporting the shaft (12) at a first end region thereof, where...  
WO/2018/029446A1
Turbomolecular stator components typically comprise an array of stator blades, arranged to interact with the pumped gases, mounted on an inner and/or outer diameter hub or shoulder. The stator blade arrays are typically formed as separat...  
WO/2018/029475A1
The present invention is an enclosure system formed of a lightweight panel with a thin non-porous membrane that enables the extraction and leak detection of hazardous gases from housing equipment such as vacuum pumps, valves, abatement e...  
WO/2018/025023A1
A turbomolecular pump has a housing (120), a rotor shaft (24) supported by a plurality of bearings (32, 34) for rotation relative to the housing about an axis of rotation (26), a deflector (40), a lubricant supply system (36) and a lubri...  
WO/2018/015727A1
A vibration damping connector (10) system to connect between a vacuum chamber and a vacuum pump such that the vacuum pump is supported by the vibration damping connector system includes a first cylindrical member (12) and a second cylind...  
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...  

Matches 1 - 50 out of 4,837