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Patent Searching and Data


Matches 401 - 450 out of 5,152

Document Document Title
WO/2009/037255A1
The invention relates to a vacuum pump (10) having a pump rotor (16), and active magnetic bearing (20,21), a safety bearing (22,23) associated with the magnetic bearing (20,21), an electric drive motor (18) having a motor stator having a...  
WO/2009/027274A1
The invention relates to a turbomolecular pump (10) having a rotor (18) which is mounted on a housing (12) by means of at least one rolling bearing (16). The rolling bearing (16) has a non-rotating bearing shell (20) and a rotating beari...  
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/2009/028099A1
In a turbo molecular drag pump comprising a plurality of stages of rotors arranged such that the outside diameter decreases from the pump intake side toward the pump exhaust side, and a plurality of stages of fixed blade arranged alterna...  
WO/2009/021809A2
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/2009/004378A2
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...  
WO/2008/154793A1
A two-stage axial-flow fan for use in an electronic chip radiator comprises a casing (11), two-stage fan blades (5), an airflow director (6), an electrical motor and a motor plate (10). Said electrical motor is a brushless DC motor and h...  
WO/2008/151979A1
The invention relates to a turbomolecular pump (12) with a circular suction opening (16) distal from an inlet rotor stage (18). The suction opening (16) has at least two opening sections (41,42,43) separated from each other.  
WO/2008/139614A1
A vacuum pump comprising a cylindrical pump casing for accommodation of a rotor; a ring fitting part provided at an air inlet area of the pump casing; a C-shaped ring of character C configuration devoid of portion of a ring member, fitte...  
WO/2008/136084A1
A turbo-molecular pump comprises plural stages of a rotary vane with blades extending radially from a rotating body and a fixed vane with blades arranged radially relative to the rotation axis of the rotary body, which are arranged alter...  
WO/2008/111335A1
[PROBLEMS] A vibration-proof structure for a vacuum pump, the structure being suitable to reduce microvibration of a vacuum device caused by operation of a vacuum pump. [MEANS FOR SOLVING PROBLEMS] A vibration-proof structure for a vacuu...  
WO/2008/104314A1
The invention relates to a vacuum pump or vacuum apparatus having a vacuum pump for the evacuation of one or a plurality of volumes, the vacuum pump having a plurality of pressure stages and at least two suction inlets. According to the ...  
WO/2008/101876A1
The invention relates to a rapidly rotating vacuum pump comprising a magnet-mounted rotor driven by an electric drive motor and having a fixed constant nominal rotational frequency (f nom). The rotor and the rotor bearing are embodied in...  
WO/2008/096622A1
A vacuum pump having a pump body and control device integrated together, the pump being able to be disassembled with more improved workability. A base (3) is provided with a connector (23) for leading out internal wiring, such as connect...  
WO/2008/093134A1
A pump insert (50) for supporting a rotor (14) of a pump comprises an annular resilient support (52) for engaging the body (26) of the pump, the support (52) extending about a rolling bearing (10) having an inner race (12) for engaging t...  
WO/2008/076421A3
A device and a method for creating and/or maintaining an obstruction free upper airway. The device is configured to fit under the chin of a subject adjacent to the subject's neck at an external location corresponding approximately with t...  
WO/2008/081030A1
The invention relates to a method for determination of resonant frequencies of a rotor using magnetic bearings, in particular of a rotor of a turbomolecular vacuum pump. While the rotor is stationary or the rotor is rotating at a relativ...  
WO/2008/082428A1
An axial fan assembly including a casing wall with a forward facing step formed therein and a fan rotor with blade tips, each having an aft facing step which radially overlaps the casing step so as to reduce the clearance backflow loss i...  
WO2008027388B1
A vacuum pump includes a housing having an inlet port and an exhaust port, at least one molecular drag stage within the housing, the molecular drag stage including a rotor in the form of a molecular drag disk and a stator that defines a ...  
WO/2008/076421A2
A device and a method for creating and/or maintaining an obstruction free upper airway. The device is configured to fit under the chin of a subject adjacent to the subject's neck at an external location corresponding approximately with t...  
WO/2008/007052A3
A motor comprises stationary and rotary elements rotatable relative to the stationary elements. The stationary elements comprise a housing and a motor stator disposed within the housing. The rotary elements comprise a shaft supported by ...  
WO/2008/065798A1
To properly prevent backflow of particles into an upstream region of an inlet opening without involving significant fall in gas discharge performance. A chamfered face (28a) is formed on a rotary blade (28) of a turbo molecular pump by c...  
WO/2008/062598A1
A vacuum pump having a pump body and a controller integrated together, in which the inside of the controller is appropriately cooled. In a control board on which an element producing a large amount of heat is mounted and that is in conta...  
WO/2008/047168A1
A vibration isolator is described for inhibiting transfer of vibration to an apparatus during evacuation thereof by a pump. The isolator comprising a bellows for isolating from the ambient atmosphere fluid drawn from the apparatus by the...  
WO/2008/027388A3
A vacuum pump includes a housing having an inlet port and an exhaust port, at least one molecular drag stage within the housing, the molecular drag stage including a rotor in the form of a molecular drag disk and a stator that defines a ...  
WO/2008/035113A1
A vacuum pump comprises a housing, a drive shaft supported by a bearing arrangement for rotation relative to the housing about an axis, and a pumping mechanism comprising a stator component mounted on the housing and a disk-shaped rotor ...  
WO/2008/035497A1
Stress concentration in an impact damping structure is appropriately suppressed when it receives an impact. The impact damping structure has grooves (50) arranged on both sides of a bolt penetration section (14), or near portions on both...  
WO/2008/035112A1
A vacuum pump comprises a drive shaft and a Siegbahn pumping mechanism. The Siegbahn pumping mechanism comprises a rotor element located on the drive shaft and an annular stator element located about the drive shaft and proximate the rot...  
WO/2008/031819A1
The invention relates to a fast rotating vacuum pump for generating a high vacuum. Fast rotating vacuum pumps could be combined together with fast rotating high vacuum pumps, for example turbomolecular pumps, to form single shaft vacuum ...  
WO/2008/027388A2
A vacuum pump includes a housing having an inlet port and an exhaust port, at least one molecular drag stage within the housing, the molecular drag stage including a rotor in the form of a molecular drag disk and a stator that defines a ...  
WO/2008/027462A1
A vacuum pump includes a housing (10) having an inlet port (14) and an exhaust port (16), at least one molecular drag stage (30, 32,..... 46) within the housing, the molecular drag stage including a rotor (302) and a stator (300) that de...  
WO/2008/015105A1
The invention relates to a vacuum pump (10) having a vacuum-tight housing (12) and having a gas-tight electrical leadthrough (20) for producing an electrical connection between an electrical component (14, 16, 18) within the housing (12)...  
WO/2008/015849A1
A protective bearing equipped with rolling elements of nonmagnetic body in which corotation of a magnetized inner ring is suppressed. An inner ring and an outer ring are formed of a member of magnetic body, respectively, and rolling elem...  
WO/2007/125106A3
The invention relates to a method for producing the rotors or stators of a turbomolecular pump having rotor blades that are produced from a special aluminum alloy.  
WO/2008/012150A1
The invention relates to a method for determining a statement of a state of a turbomolecular pump and a turbomolecular pump, wherein a vibration curve is determined with a vibration sensor (10) connected to the turbomolecular pump. The d...  
WO/2008/002181A1
The invention relates to a fan comprising an incorporated cooler, in which a coolant can be embodied in the form of a gas, for example freon. The cooling element of the incorporated cooler is combined with the fan blades, i.e. it means t...  
WO/2007/134405A1
A blower (100) for providing a supply of air at positive pressure in the range of approximately 2cmH2O to 30cmH20 includes a motor (140), at least one impeller (150, 152, 154), and a stationary component (170, 172, 174, 180, 182, 184, 19...  
WO/2007/135883A1
[PROBLEMS] To provide a vacuum pump where stationary blades and rotating blades do not interfere with each other even if the stationary blades are cut and formed into a semi-circular shape by inexpensive cutting or grinding method withou...  
WO/2007/125104A1
The invention relates to the rotors or stators of a turbomolecular pump having rotor blades that are produced from a special aluminum alloy.  
WO/2007/127169A1
A support system for a cooling fan for a heat exchanger. A suspension system supports an inner hub inside an outer support structure. The inner hub or ring supports the fan and motor. The suspension system includes an array of spiral sup...  
WO/2007/125106A2
The invention relates to a method for producing the rotors or stators of a turbomolecular pump having rotor blades that are produced from a special aluminum alloy.  
WO/2007/105785A1
This invention is directed to the easy formation of an impact buffer structure. An impact buffer structure for consuming impact energy is provided in a molecular pump in its flange (61d). An insertion hole (40d) is provided in a flange. ...  
WO/2007/099369A1
A rotor assembly for a multi-stage pump is provided. The assembly comprises a drive shaft, a rotor component and a drive component. The rotor component is located on the drive shaft and comprises a rotor element for displacing fluid thro...  
WO/2007/085124A1
An oscillating air flow low-noise composite fan blade includes a hub and an even number of blades equispacedly provided on the perimeter thereof ,wherein the opposing blades are symmetrically provided on the perimeter of th hub between t...  
WO/2007/068969A1
Apparatus for detecting a flammable atmosphere within a compressor during operation thereof is provided. The apparatus comprising a test chamber which is selectably connected between the compressor and an exhaust duct of the compressor u...  
WO/2007/066141A1
A method is described for inhibiting a deflagration within a vacuum pump. The method comprises the step of supplying to the pump during operation thereof a reactant for chemically reacting with solid material that has accumulated within ...  
WO/2007/035695A3
A fluid compression system (10) includes a compressor, an electric motor (15) including a stator (30) and a rotor (20) positioned adjacent to the stator, and a shaft (40) coupled to the rotor to support the rotor for rotation and having ...  
WO/2005/061896A3
A vacuum pumping arrangement is described for evacuating a load lock chamber. A booster pump comprises a molecular drag stage and a multi-stage centrifugal compressor mechanism. A backing pump comprises a multi-stage centrifugal compress...  
WO/2007/045355A1
The invention relates to an apparatus for conveying a cooling air flow for at least one heat exchanger, especially for motor vehicles. Said apparatus comprises a fan frame (1) with a frame opening (2), a fan wheel (4) that revolves in th...  
WO/2007/042842A1
A vacuum pumping arrangement for evacuating an enclosure is provided. The arrangement comprises a turbomolecular vacuum pump having an inlet which is connectable using fixing members to an outlet of an enclosure to be evacuated. Each of ...  

Matches 401 - 450 out of 5,152