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WO/2015/015902A1 |
[Problem] To provide a vacuum pump that makes it possible to efficiently heat, in a focused manner, only fixed components that constitute an exhaust-side gas channel, which need to be brought to a high temperature from the standpoint of ...
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WO/2015/007598A1 |
The invention relates to a rotor element for a vacuum pump, in particular a Holweck stage, having a cylindrical rotor part (16) made of a highly heat-conductive material such as aluminum. The rotor part (16) is reinforced on one surface ...
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WO/2015/003711A1 |
Disclosed is an axial compressor (1) comprising a first compressor stage (2) including a first impeller (4) driven by first drive means (6), and a second compressor stage (3) including a second impeller (5) driven by second drive means (...
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WO/2015/000700A1 |
The stator disk has an inner ring and an outer ring. The outer ring and the inner ring are interconnected by a plurality of vanes, the transitions from the vanes to the inner ring and/or outer ring being substantially closed.
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WO/2015/001911A1 |
[Problem] To provide a vacuum pump configured so that the generation of a gas product at the air discharge-side outlets of screw grooves is reduced to thereby maintain the pump performance for a long period of time. [Solution] A vacuum p...
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WO/2014/197343A1 |
A shaft of a compressor may include a first shaft section defining a first cavity axially extending therein and a second shaft section defining a second cavity axially extending therein. A plurality of inlet holes may be defined on an ou...
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WO/2014/196248A1 |
[Problem] To provide a vacuum pump equipped with a control unit and capable of definitively preventing condensation on the surface of a cooling pipe or the vicinity thereof, and effectively reducing trouble such as electronic device fail...
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WO/2014/192356A1 |
[Problem] To provide a maintenance prediction device configured so as to be capable of highly accurate notification of the necessity for maintenance, in a device to be maintained such as a vacuum pump that discharges gas by rotating a ro...
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WO/2014/191087A1 |
The invention relates to a fan assembly having a rotatingly driven hub (7) and fan blades (10) which can be pivoted relative to the hub body (29). The fan blades (10) are adjusted by means of a linear drive in the form of a spindle drive...
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WO/2014/188121A1 |
The invention relates to an aircraft turbopropeller (10) comprising two coaxial contra-rotating unducted propellers (12, 14'), upstream and downstream respectively, each propeller comprising an annular row of blades. The blades of the do...
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WO/2014/181575A1 |
[Problem] To provide a clamped circular plate having a communication hole for improving exhaust efficiency in a vacuum pump having a Siegbahn molecular pump part, and to provide a vacuum pump having the clamped circular plate. [Solution]...
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WO/2014/180650A1 |
The invention relates to an arrangement having a seal, comprising: a casing (CAS), a cover (COV), and at least one seal. In order to ensure damage-free installation of the cover and simultaneously simplify the installation process itself...
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WO/2014/173692A1 |
A vacuum-pump system has a first vacuum pump (10), which is not sensitive to particles. A second vacuum pump (12), which is connected to the first vacuum pump (10), is sensitive to particles. The connecting element (14) between the two v...
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WO/2014/174273A1 |
The present invention relates to a vacuum pump (10) comprising a bearing (26) and a lubricant supply system (60) for lubricating the bearing. The lubricant supply system comprises: a lubricant reservoir comprising a reservoir matrix (62)...
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WO/2014/173961A1 |
An analyzing device such as a mass spectrometer has a plurality of vacuum chambers (12, 14, 6, 18, 20, 22) in particular arranged in series. In a device housing (10) is provided an insertion recess (28) into which a multi-inlet vacuum pu...
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WO/2014/170099A1 |
A vacuum pump such as a turbo-molecular pump has a rotor shaft (10) which bears at least one rotor element. The rotor shaft (10) is mounted in a prestressed fashion by means of two bearing elements (10, 14), in particular in the case of ...
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WO/2014/166714A1 |
The invention relates to a method for cleaning a vacuum pump, in particular a Holweck pump, wherein the rotor element to be cleaned is vibrated. This occurs by actuating an electromagnet (38) using a control device (40), wherein the elec...
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WO/2014/147876A1 |
The purpose of the present invention is to provide a method for preventing a by-product from solidifying and accumulating and that can be applied to even a dry vacuum pump that has already been installed and is currently operating, and t...
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WO/2014/135559A1 |
The invention relates to a cooling system, in particular for a motor vehicle, for cooling an internal combustion engine; comprising a cooling circuit, which conducts a cooling medium; comprising an internal combustion engine positioned i...
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WO/2014/131678A1 |
A vacuum pump, particularly a turbomolecular pump, comprises a rotor shaft (10), which is arranged in a pump housing (11) and supported by two bearing assemblies (12). One of the bearing assemblies, in particular the pressure-side bearin...
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WO/2014/125238A1 |
The present invention relates to a vacuum pump (10) comprising a regenerative pumping mechanism (12) and a drag pumping mechanism (14). The regenerative pumping mechanism (12) comprises a generally disc-shaped member (16) mounted on an a...
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WO/2014/119191A1 |
[Problem] To effectively reduce the amount of adhered product material in an entire vacuum pump and prevent problems in the electrical system of the vacuum pump due to leakage of magnetic flux. [Solution] A vacuum pump (P1) equipped with...
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WO/2014/085024A1 |
A counter rotating helico-axial pump is provided, the pump comprising: (a) an inner rotor comprising a plurality of outwardly extending helico-axial impeller vanes; (b) a hollow outer rotor comprising a plurality of inwardly extending he...
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WO/2014/083055A2 |
A counter-rotating wet gas compressor for deployment and operation on the sea floor is described. The compressor has alternating rows of impellers, with each successive row of impellers being mounted a central hub or to an outer sleeve. ...
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WO/2014/083946A1 |
[Problem] To provide an electromagnetic rotating device and a vacuum pump equipped with the electromagnetic rotating device whereby it is possible to reduce the size and costs by consuming power during regeneration through an electromagn...
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WO/2014/073315A1 |
[Problem] To provide a vacuum pump comprising a fixed vane that is manufactured by casting and that does not require finishing processing. [Solution] A vacuum pump according to an embodiment of the present invention is configured so that...
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WO/2014/068277A1 |
The present invention relates to a vacuum pump (10) comprising a turbo molecular pumping mechanism (14) wherein an operative characteristic of the turbomolecular pumping mechanism is dependent on the orientation of the vacuum pump and th...
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WO/2014/068276A1 |
The present invention relates to a vacuum pump (10) comprising a vacuum pumping mechanism (12) comprising a rotor (14) supported for rotation by a drive shaft (16), a first bearing assembly (22) for controlling movement of the rotor duri...
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WO/2014/056662A1 |
The invention relates to a wall ring for receiving an axial fan (6) in particular, comprising an annular body (1) with a central longitudinal axis (X-X), a flow inlet opening (2), a flow outlet opening (3), and an electric heating elemen...
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WO/2014/056630A1 |
The invention relates to a housing for a fan or blower, in particular an axial fan, comprising a wall ring (2) having an inlet nozzle section (3) and an outer diffuser (6) having an inlet flow opening (7) and an outlet flow opening (8) a...
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WO/2014/056677A1 |
The present invention relates to a wall ring for receiving in particular an axial fan (6), comprising an annular body (1) with a flow inlet opening (2) and a flow outlet opening (3) and a central longitudinal axis X-X as well as an annul...
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WO/2014/049728A1 |
A protective net (50) for a vacuum pump comprises a peripheral part (51), and a flat net part (52) formed on the interior of the peripheral part (51) and in which a plurality of through-holes (55) are formed. The thickness of the net par...
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WO/2014/050648A1 |
[Problem] To provide a rotor that improves the evacuation capabilities of a vacuum pump, and that prevents shedding of fragments from a balancing section, and a vacuum pump equipped with this rotor. To provide a rotor for a vacuum pump s...
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WO/2014/045438A1 |
In the present invention, a turbomolecular pump is provided with: a rotor in which cylindrical parts and a plurality of stages of rotor blades are formed; a plurality of stages of fixed blades alternately disposed with respect to the plu...
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WO/2014/043248A1 |
An apparatus for shielding a controlled pressure environment, including a shield assembly with: a gate disc arranged for location in a chamber and including a first continuous surface facing an opening in the chamber and including an out...
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WO/2014/041995A1 |
[Problem] To prevent a decrease in processing quality of a semiconductor wafer or the like due to contamination of a device chamber with foreign matter such as rust, particles, etc. [Solution] A rotor shaft (7) having an axle (22) in a s...
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WO/2014/038416A1 |
[Problem] To provide a fixed-side member which is arranged in a vacuum pump and which, without the provision of a heat insulation material, prevents the deposition of products at the lower side of a threaded groove pump unit, which is an...
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WO/2014/034645A1 |
A molecular pump (1A) is provided with a pump body (2) having a turbo molecular pump part (2a), a control unit (4) having a control part and a power part, and a cooling unit (3) for cooling the pump body (2) and the control unit (4). At ...
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WO/2014/021096A1 |
[Problem] To provide a vacuum pump capable of preventing a rotor from being unable to rotate and the operating rate from lowering by suppressing the adhesion and deposition of a sublimate from a gas component onto a thread groove pump pa...
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WO/2014/021160A1 |
[Problem] To provide a part for vacuum pumps and a vacuum pump for which a coating can be suitably formed on the surface of a fiber reinforced composite material. [Solution] A part for a vacuum pump is a cylindrical second cylinder membe...
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WO/2014/016551A1 |
A sealing arrangement (2, 3, 5) is provided for a UHV pump having a first housing member(1) and a second housing member(2). The first housing member (1) houses a pumping mechanism (7),the sealing arrangement (2, 3, 5) is positioned to pr...
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WO/2013/180538A1 |
Disclosed is a turbo compression system comprising: a first impeller which has a first intake port and a first discharge port, and which compresses a fluid flowing into the first intake port by using a rotational motion such that the flu...
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WO/2013/179749A1 |
[Abstract] To provide an IPM motor for a vacuum pump which is suitable as the motor for a small vacuum pump. [Problem] An IPM motor for a vacuum pump includes a rotor core into which a rotor shaft for a vacuum pump is pressed and a magne...
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WO/2013/171454A1 |
A method for adjusting operating parameters of a vacuum pump arrangement includes determining characteristics of a gas flowing through the vacuum pump arrangement; and setting operating parameters of the vacuum pump arrangement based on ...
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WO/2013/164571A2 |
A method for warming up a vacuum pump arrangement having a booster pump and a backing pump downstream of the booster pump for evacuating a process chamber includes setting the booster pump at a first speed higher than an idle speed of th...
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WO/2013/160432A1 |
A generator system that includes an engine and an alternator which is driven by the engine to generate electrical power. A radiator is connected to the engine and an axial fan directs air toward the radiator to cool the radiator. A plura...
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WO/2013/161399A1 |
Provided is a deposit detection device for an exhaust pump which can be implemented easily without generating burdens such as the installation of equipment for circulating a gas or the addition of or changing of a device operating mode. ...
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WO/2013/151015A1 |
A vibration suppression mechanism (50) is interposed between a ball bearing (8) and the support part (2a) of a base (2). The vibration suppression mechanism (50) is equipped with multiple stacked sliding members (51, 52) and an elastic b...
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WO/2013/142121A1 |
A pump with magnetically-levitated rotor includes a position sensor having an eddy-current sensor coil that operates as a resonating element in a low frequency oscillator located within the pump housing. The oscillator is operably interc...
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WO/2013/131911A1 |
The present invention relates to a pumping unit (IP) comprising at least one first positive-displacement machine (10) and one second positive-displacement machine (20), as well as a control module (MC), in which unit a gas (G) is dischar...
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