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WO/2018/217594A1 |
Most multistage compressors specify a maximum inlet pressure that may be supplied to the compressor to stay within designed limits. If the supply gas to be compressed is at a higher pressure than the specified maximum inlet pressure, the...
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WO/2018/214636A1 |
A rotary fluid machine adopts a cross-flow structure having an automatic rotating blade (1). Rotation of a rotary wheel (2) once through 720 degrees is a cycle. Automatic rotation of the blade (1) is driven by a guide rail curving throug...
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WO/2018/212990A1 |
A seal apparatus (58) for a casing (12) of a turbomachine (10). The seal apparatus (58) may include an annular body (60) having first (66) and second (88) annular body portions and an appendage (94). The second annular body portion may e...
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WO/2018/207669A1 |
The radial load of a drive shaft (30) is supported only by a plurality of bearingless motors (60, 70). The maximum values of the radial load applied to the respective bearingless motors (60, 70) are nonuniform. In the bearingless motor (...
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WO/2018/209213A1 |
One feature pertains to an air mover the includes a direct current (DC) electric motor, an impeller operatively coupled to the DC motor, a battery electrically coupled to the DC motor, and a housing that includes the DC electric motor, t...
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WO/2018/205631A1 |
Provided are a back-flow device blade, a compressor structure and a compressor. The back-flow device blade (4) comprises a blade body (1), wherein a hollow cavity (2) is formed inside the blade body (1), and an air supplementing hole (3)...
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WO/2018/207767A1 |
A drive support unit (160, 170, 180, 250, 260, 450, 460, 621, 640, 760, 770, 780, 782, 784, 787, 840, 850) of a turbo compressor (101, 210, 410, 601, 701, 812) comprises at least one bearingless motor (160, 170, 250, 450, 640, 760, 770, ...
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WO/2018/207018A1 |
A blower comprising: (a) a stator including: (i) one or more magnets and (ii) an impeller having a cup that receives the magnet; (b) a stator including: (i) an arbor; and (ii) motor windings; (c) a printed circuit board; and (d) a contac...
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WO/2018/206843A1 |
A method for controlling a vacuum pump comprises: measuring (101) inlet pressure of the vacuum pump, determining (102) an estimate for theoretical suction speed based on data indicative of rotational speed of the vacuum pump and data ind...
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WO/2018/204350A1 |
A double suction impeller features an impeller main body and an impeller suction eye. The impeller main body may include a suction eye adapter coupling member. The impeller suction eye may include a removable suction eye adapter having a...
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WO/2018/197622A1 |
The invention relates to an internal combustion engine (42) for a motor vehicle, comprising at least one exhaust gas turbocharger (20), which has at least one turbine (20), drivable by exhaust gas of the internal combustion engine (10), ...
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WO/2018/198808A1 |
Provided is a centrifugal compressor comprising: an impeller (compressor impeller 10); a primary flow path 12 that has the impeller disposed therein and extends in a direction of a rotation axis of the impeller; a secondary flow path 21 ...
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WO/2018/197174A1 |
Method for controlling a plural stage compressor comprising at least a first stage (10), a second stage (20) and a first inter-stage line (12) between the first stage (10) and the second stage (20), comprising the steps of: a- measuring ...
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WO/2018/180057A1 |
An intake-and-discharge flow channel (30) is provided with a circumferential flow channel (40) extending in an arc shape centered about an axis (O), and an external communication channel (50) connected to both ends of the circumferential...
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WO/2018/177543A1 |
A cross Flow Fan CFF (10) with variable blade angles is provided. This means that the angle of each blade (18) can vary in relation to the body of the impeller (16) between a maximum and minimum value in the span of one revolution of the...
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WO/2018/181343A1 |
This centrifugal compressor is provided with: a plurality of stages of impellers (4) arranged in the axial line (O) direction and forcibly feeding a working fluid introduced from an one-side inlet in the axial line (O) direction to the o...
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WO/2018/166716A1 |
The invention relates to a backfeed stage (BFS) of a radial turbo fluid energy machine (RTFEM), in particular of a radial turbo compressor (RTC), for deflecting a flow direction (FD) of a process fluid (PF) flowing out of an impeller (IM...
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WO/2018/162655A1 |
The bearing arrangement includes a one-piece gas bearing sleeve (32) configured to rotatably support the drive shaft (4) and made in molybdenum or in a molybdenum alloy, the one-piece gas bearing sleeve (32) including a radial bearing su...
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WO/2018/162667A1 |
The centrifugal turbo-compressor (2) includes a hermetic casing; a drive shaft (6); a first and a second compression stage (12, 13) configured to compress a refrigerant and respectively including a first and a second impeller (18, 19) co...
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WO/2018/161948A1 |
Disclosed is a vertical composite radial flow molecular pump, comprising a pump cylinder (11) with the upper end being open, wherein a side wall of the pump cylinder (11) is provided with an air inlet (12) and an air outlet; a radial flo...
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WO/2018/162204A1 |
The invention relates to an electric machine (40) comprising: a housing (12), a stator, a rotor which is rotatably mounted in a receiving area of the stator, a cooling device for discharging heat out of the housing (12), a heat exchanger...
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WO/2018/162660A1 |
The double-stage impeller arrangement (17) includes a first impeller (18) and a second impeller (19), each of the first and second impellers (18, 19) having a front-side (21, 22) and a back-side (25, 26), the first and second impellers (...
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WO/2018/163574A1 |
This air conditioner comprises: a suction opening; a fan for sucking air from the suction opening; a heat exchanger for exchanging heat with the air having been sucked from the suction opening; a discharge opening for discharging air hav...
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WO/2018/154931A1 |
The present invention addresses the problem of providing a centrifugal pump with which thinning is achieved by using a radial gap type motor, with which flow passage losses from a suction flow passage to a discharge flow passage are smal...
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WO/2018/155546A1 |
According to the present invention, a casing that surrounds a rotary shaft and impellers (4) comprises: return flow paths; and pluralities of return vanes (50) that are provided in the return flow paths at intervals in the circumferentia...
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WO/2018/153583A1 |
A recirculation stage (RCH) of a radial turbomachine (RTM) having at least one stator vane stage (VST), wherein the recirculation stage (RCH) extends in annular fashion around an axis (X), wherein the recirculation stage (RCH) is defined...
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WO/2018/148789A1 |
A compact respiratory therapy device suitable for use by a patient during sleep to provide respiratory pressure therapy such as at a pressure between 4-30 cmH2O includes a housing, an inlet, an outlet, a motor including a rotor, and an i...
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WO/2018/151293A1 |
This centrifugal compressor is provided with: an impeller which rotates about a main shaft (4); a plurality of stages of compressing units (6) including a return flow passage (63) which has a return vane (64) for guiding a main flow of a...
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WO/2018/147993A1 |
A centrifugal gas compressor with rotating hollow housing and an independently rotating turbine compresses gas bubbles in capillary tubes and recovers energy from the liquid drain (sometimes a liquid recycler). The housing rotatably reta...
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WO/2018/145838A1 |
Return stage, radial turbomachine The invention relates to a return stage (RTC) through which a process fluid is designed to flow along a throughflow direction of a radial turbomachine (RTM), in particular a radial turbo compressor retur...
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WO/2018/143135A1 |
A cross-flow-type blower (30), wherein the relationship between an angle θ when the position of a protrusion (71) relative to a volute tongue point (O) of a scroll wall part (37a) is represented by the center angle of a fan rotor (31) a...
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WO/2018/138438A1 |
The invention relates to a wheel blade (40) for a turbomachine compressor. The blade (40) comprises a body (41) extending between the root (P) of the blade in the direction of the height (Y-Y) of the blade. The body (41) extends from a l...
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WO/2018/130690A1 |
A fan wheel (1) comprising a base disc (3) and a cover disc (2) that has an axial inlet opening, and a blade ring arranged between the base disc (3) and the cover disc (2) and formed from fan wheel blades (4) to convey a conveyed medium,...
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WO/2018/113855A1 |
The invention relates to a fan module comprising at least one fan (1), possibly a nozzle plate (5) and a suspension (10). Said fan module has a device on the pressure side to reduce or suppress a backflow and to even out the air flowing ...
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WO/2018/111457A1 |
A compressor (22) comprises: a housing (50); a shaft (70); a plurality of bearings (66, 67, 68, 74, 76) mounting the shaft to the housing for relative rotation about an axis (500); and a motor (52). The motor has: a rotor (64) mounted on...
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WO/2018/108479A1 |
The invention relates to a vacuum pump system, comprising a main vacuum pump (10) that is connected to a chamber (14) that is to be evacuated. An auxiliary pump (12) is connected to an outlet of the main vacuum pump (10). Furthermore, a ...
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WO/2018/104719A1 |
An improved cooling arrangement for a vacuum pump motor and control is provided; wherein both the motor and control are provided with cooling mechanisms and housed in respective housings connected by at least one opening. The cooling mec...
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WO/2018/095917A1 |
According to one aspect of the present disclosure, a turbo-compressor (100) is provided. The turbo-compressor (100) includes: a rotor assembly (110) extending in an axial direction A and comprising at least one impeller (112) configured ...
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WO/2018/097511A1 |
The present invention relates to a turbo compressor for compressing gas such as air so as to supply the same to the outside, the turbo compressor comprising: a compressed gas suction port through which gas is suctioned; a first impeller ...
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WO/2018/085293A1 |
A magnetically driven centrifugal pump has a pump case, an open vane impeller in the pump case, a stuffing box including a stuffing box outer being fixed relative to the pump case and a stuffing box inner threadedly engaged with the stuf...
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WO/2018/075635A1 |
A blower assembly includes a blower housing and a fan wheel mounted within the blower housing and being rotatable about an axis of rotation. The fan wheel includes a support disk positioned near a center of the fan wheel. A first wheel p...
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WO/2018/066134A1 |
Provided are an electric blower capable of effectively dissipating heat transmitted to a rotary shaft, and an electric vacuum cleaner and a hand dryer equipped with the electric blower. The electric blower is equipped with: an electric u...
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WO/2018/062540A1 |
A cross-flow blower (30) provided with a fan rotor (31) and a housing (32), wherein two sidewall parts (38) disposed on both ends in the axial direction of the fan rotor (31) are formed in such a manner that a blowout flow passage (F), w...
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WO/2018/064101A1 |
A pump having two impellers driven by a common drive shaft where the impellers have suction inlets facing each other and are configured to axially receive fluid from a common chamber. A direct line path exists between suction inlets of t...
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WO/2018/058892A1 |
A centrifugal fan comprises a housing (20) having an air inlet provided on a cover portion (23) thereof and a plurality sets of air outlets provided on a peripheral wall portion (22) thereof; a wind wheel (30) configured to urge the air ...
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WO/2018/054691A1 |
The invention relates to a turbocompressor housing (TCC) which extends along a longitudinal axis (X). The turbocompressor housing (TCC) has an inflow (INL1) in an axial inflow section (INA1) leading into an interior (CAC) and an outflow ...
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WO/2018/050404A1 |
The invention relates to a single-shaft turbo compressor (STC) comprising a rotor (R) extending along an axis (X), an outer housing (OC), static flow fittings (SFE), bearings (BG) for supporting the rotor (R), and at least one first shaf...
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WO/2017/061912A9 |
The present specification relates to a fan assembly 1 comprising a fan wheel 100 rotatably arranged around an axis A in a fan duct 200. The fan wheel comprises a first side 130, a second side 140 comprising an inner periphery 141 forming...
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WO/2018/041605A1 |
The invention relates to a vacuum-pump rotor having at least one displacing element (12, 14), which is arranged on a rotor shaft (10). The rotor shaft (10) has at least one shaft end (16) for arranging a bearing element. The rotor elemen...
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WO/2018/040448A1 |
Disclosed is a centrifugal fan. The centrifugal fan comprises: a housing (20), with an air inlet being provided on a cover portion (23) and a plurality of air outlets (221, 222, 223) being provided on a circumferential wall portion (22);...
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