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Patent Searching and Data


Matches 201 - 250 out of 4,395

Document Document Title
WO/2021/123709A1
There is provided a contra-rotating fan drive assembly comprising a first impeller; a first motor comprising an inner rotor, an outer stator and a driveshaft connecting the inner rotor and the first impeller, the first motor being arrang...  
WO/2021/112021A1
Provided are an evacuation device capable of controlling the pressure in a chamber to be evacuated accurately and at high speed, and a vacuum pump used in the same. The evacuation device is provided with: a vacuum pump (1) including a ro...  
WO/2021/105656A1
A Siegbahn or Holweck stage of a pump (400) comprising: a rotor (402) configured to be rotated about an axis of rotation (408); a stator (404) mounted in proximity to the rotor (402) such that a side of the rotor (402) faces a side of th...  
WO/2021/090738A1
Provided is a vacuum pump that has a thread groove and can suppress precipitation and accumulation of by-products in a flow path downstream of the thread groove. The vacuum pump (1) has: a casing (11) having an intake port (12) or an exh...  
WO/2021/085444A1
[Problem] To provide a vacuum pump that can prevent damage to a water cooling spacer that is one component of an outer case, said damage being caused by destruction of an internal component. [Solution] A vacuum pump (P1) that sucks in ga...  
WO/2021/078404A1
The invention relates to an electrical device, in particular an inverter, in particular converter, the electrical device having a heat sink and a fan. The fan is surrounded by a base region of a fan housing, the fan housing comprises a g...  
WO/2021/073226A1
A combined direct-current variable-frequency compressor unit, an air storage tank (2) is arranged on the outer surface of the upper end of a fixed bottom plate (1), a first air outlet pipe (3) is arranged on the outer surface of the uppe...  
WO/2021/069874A1
A vacuum pump and method of mounting a shaft within a vacuum pump is disclosed. The vacuum pump comprises a rotor and a stator. The rotor comprises a shaft comprising pumping elements extending therefrom. The shaft is mounted to rotate a...  
WO/2021/065584A1
[Problem] To obtain a vacuum pump that suppresses generation of deposits resulting from exhaust gas. [Solution] This vacuum pump is provided with: a pump part 10b provided with a shaft section 13, a rotor 11 disposed on the outer circumf...  
WO/2021/063805A1
A turbomolecular vacuum pump (1) comprises a stator (2), a rotor (3) configured to rotate in the stator (2) about an axis of rotation (I-I) and a regulation valve (13) configured to modify the inlet conductance of said vacuum pump (1) by...  
WO/2021/058945A1
A vibration damping connector system (110) to provide a sealed flow path between a port of a vacuum chamber and a suction port of a vacuum pump has a first end member (112) configured to define a first end of the flow path, a second end ...  
WO/2021/059989A1
In order to adjust the flow of a fluid with high precision, a flow adjustment valve (150) is provided with: a flow path (151) that has an opening (152) formed at one end thereof, and through which the fluid flows; a rising/lowering valve...  
WO/2021/060003A1
Provided are a vacuum pump and an accessory unit of a vacuum pump that do not require adjustment with a device-side operation schedule and that can easily execute a version upgrade of incorporated software and modification of setting dat...  
WO/2021/049454A1
[Problem] To provide a vacuum pump from which reaction byproducts can be removed without performing an overhaul. [Solution] This vacuum pump comprises: a motor 16 for rotating a rotor 28; a heater 48 capable of increasing in temperature;...  
WO/2021/039478A1
[Problem] To provide: an electromagnet unit which prevents a displacement sensor from being affected by noise and can be installed in a space-saving manner; and a vacuum pump provided with said electromagnet unit. [Solution] This electro...  
WO/2021/025851A1
A refrigerant compressor assembly (20A, 20B, 20C) includes an axial compressor (22B, 22C, 22) that includes at least one axial stage. A downstream compressor (24) is located fluidly downstream of the axial compressor (22B, 22C, 22) and i...  
WO/2021/022141A1
An anti-rotation device configured to prevent a plurality of blades of the industrial fan from rotating. The anti-rotation device includes a movable member and a non-movable member, wherein the movable member is slidable relative to the ...  
WO/2021/018729A1
A molecular vacuum pump comprising: a stator and a rotor and a thermoelectric device arranged to cool the stator such that gas molecules impacting said stator are slowed and a capture rate of gas molecules by the pump is increased.  
WO/2021/013496A1
The invention relates to a protective grating (1) designed as a finger guard for fastening to a fan, with a perforated plate (2) which extends areally and in which a central ring element (3) is situated and forms a plug-through opening f...  
WO/2021/013497A1
The invention relates to a housing ring (1) of an axial ventilator formed from at least two annular segments, having a radially outwardly facing cover surface (2). At least one securing rail (3) is formed in one piece on the cover surfac...  
WO/2021/015018A1
[Problem] To provide a vacuum pump having a structure wherein rupture occurs in a planned state at a planned location when greater-than-expected torque for rotating a rotor in the rotational direction of the rotor is generated, thereby p...  
WO/2021/013979A1
A drag pump for pumping fluid from an inlet to an outlet is disclosed. The drag pump comprises a stator and a rotor. One of the stator or rotor comprises a disc comprising a plurality of channels each of the channels extending from an in...  
WO/2021/010347A1
The purpose of the present invention is to provide a vacuum pump in which the strength of the fixing portion of a stator column is maintained, the conductance of an exhaust flow path is maintained, and the exhaust performance does not de...  
WO/2021/010196A1
[Problem] To provide: a vacuum pump and a washer capable of reducing the vibration of a rotor; and a rotor capable of reducing the vibration. [Solution] According to the present invention, when the moment of inertia ratio, which is the r...  
WO/2021/006408A1
The disclosed pump backstream preventing structure for a semiconductor manufacturing device comprises a detection sensor, an isolation air supply pipe, a three-way valve, and a three-way control unit. Accordingly, the pump backstream pre...  
WO/2021/006224A1
[Problem] To provide a vacuum pump device wherein it is possible to achieve uniform exhaust with a relatively simple structure. [Solution] A vacuum pump unit 1 comprises an outer rotor 12 and an inner stator 11. A lifting type gate valve...  
WO/2021/006453A1
The disclosed pump backstream preventing structure for a semiconductor manufacturing device comprises a detection sensor, an isolation air supply pipe, and a control member. Accordingly, the pump backstream preventing structure can relat...  
WO/2020/251720A1
An axial fan assembly includes blades rotatable about a central axis, a hub connecting the blades at radially-inner ends thereof, and a motor connected to a first portion of the hub. A second portion of the hub supporting the plurality o...  
WO/2020/249431A1
A rotor support (5) configured to rotatably mount a rotor shaft (20) in a vacuum pump is disclosed. The rotor support (5) comprises: a rolling bearing (10) for rotatably supporting the shaft (20); an insert (70) and at least one resilien...  
WO/2020/239975A1
A turbomolecular pump, vacuum pumping system and method of evacuating a vacuum chamber is disclosed. The turbomolecular pump comprises: a rotor comprising a plurality of rotor blade rows, a stator comprising a plurality of stator blade r...  
WO/2020/237273A1
The invention relates to a cooler (1), comprising: a fan having a substantially rigid fan housing (4) which encloses a fan air-flow space (9); a heat exchanger having a substantially rigid heat-exchanger housing (6) which encloses a heat...  
WO/2020/240155A1
A vacuum pump and vacuum assembly. The vacuum pump comprises: an inlet for receiving gas; and an exhaust for exhausting the gas; a hollow shaft defining an axial passage extending through the pump from an opening in a base of the pump to...  
WO/2020/241522A1
Provided are: a vacuum pump in which sparking is eliminated in the event of contact between a rotating component and a fixed component, making it possible to prevent an explosive reaction in a vacuum container; and a protecting member pr...  
WO/2020/241521A1
The objective of the present invention is to provide a vacuum pump with which it is possible to prevent a deterioration in the exhaust performance of the vacuum pump even if a linked-type screw groove spacer is fastened using fixing bolt...  
WO/2020/240621A1
A vacuum pump (100) of the present invention comprises a rotor (22b), a rotary blade (13), and a magnetic-bearing-integrating stator (22a) containing a coil. The rotor includes a pair of spacer members (29), a support member (27), a perm...  
WO/2020/241520A1
The present invention addresses the problem of providing a vacuum pump in which a gap due to fastening of a bolt is less likely to be caused. The vacuum pump is provided with: a body casing (14) including an intake opening (12a) or an ex...  
WO/2020/229820A1
A rotor or stator stage for a vacuum pump, the rotor or stator stage comprising an array of radially extending rotor or stator blades. The rotor or stator stage is made from two or more preformed laminate layers, and two or more of said ...  
WO/2020/230799A1
[Problem] To provide a vacuum pump suitable for preventing backflow of particles from the vacuum pump to a vacuum chamber side. [Solution] A vacuum pump P1 is provided with a turbo molecular pump unit PT which vents gas molecules by mean...  
WO/2020/229811A1
A multiple stage rotary vacuum pump comprising: a stator comprising multiple pumping stages; at least one inter-stage divider separating two adjacent pumping stages; the at least one inter-stage divider comprising two walls defining a ca...  
WO/2020/229069A1
Compressor casing (50) for a turbine engine, the casing (50) comprising: - a housing (52) comprising a radially inner surface (52.1); - an upstream ferrule (54); and - a downstream ferrule (56); each of the ferrules (54, 56) having a res...  
WO/2020/225528A1
Lubricant supply system comprising a lubricant container body defining a lubricant reservoir wherein the lubricant container body comprising an indentation of through-hole to receive a lubricant transfer device of a vacuum pump. Therein,...  
WO/2020/221760A1
The invention relates to an outlet guide device configured for arranging in an outflow-side flow of an impeller of an axial fan (1), wherein the outlet guide device has a multiplicity of outlet guide struts (6), wherein each of the outle...  
WO/2020/217407A1
A rotary mechanism (20) of this vacuum pump (100) includes: a magnetic bearing unit (21) that has a first outer diameter (91) and can operate as a first radial magnetic bearing (40); and a motor unit (22) that is provided at a position c...  
WO/2020/208375A1
A vacuum chamber module and an apparatus are disclosed. The vacuum chamber module comprises: a pump wall defining a recess shaped to receive a multi-stage vacuum pump; a plurality of vacuum chambers, each vacuum chamber being configured ...  
WO/2020/193905A1
The invention relates to a counter-rotating turbine (22) of an aircraft turbomachine (10), comprising: - a casing (34) comprising an endoscopy port (40) configured for an endoscopy plug (58) of a non-destructive testing device (60) to pa...  
WO/2020/194852A1
Provided is a pump monitoring device that diagnoses product accumulation inside a vacuum pump, the pump monitoring device including: an acquisition unit that acquires data indicating the pump state of the vacuum pump; a statistics calcul...  
WO/2020/195941A1
[Problem] To provide a vacuum pump that has few parts and superior sealing properties. [Solution] The present invention is provided with: a plurality of stator blades 19 provided toward the center of an intake-side casing 14a; a rotor sh...  
WO/2020/195942A1
[Problem] To provide a vacuum pump that is configured by dividing an intake opening flange and a casing (outer tube) into two components and reducing the weight while maintaining the required strength, with the result that the manufactur...  
WO/2020/195944A1
[Problem] To provide a vacuum pump and a control device for the vacuum pump in which a structure resistant to penetration of water droplets is implemented at low cost without using a sealing member, and which are structured to enable eas...  
WO/2020/193607A1
The present invention relates to a fan housing (1) of an axial fan for receiving a motor (2) and a motor electronics system (3), wherein the fan housing (1) has a substantially cylindrical housing wall (10) which extends in the axial dir...  

Matches 201 - 250 out of 4,395