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WO/2022/077934A1 |
The present invention relates to the technical field of fans, and more particularly, relates to an impeller. The impeller comprises an upper plate (2), a lower plate (3) and blades (1). An upper end of the blade (1) is fixedly connected ...
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WO/2022/077043A1 |
Described is a cooler (1) having: a heat exchanger (2) for dissipating heat from a medium, for example oil, a fan (3) having a fan housing (4), a fan wheel (5) and a motor, a control unit (11) for controlling the motor, a sensor unit (12...
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WO/2022/079144A1 |
The invention relates to a pump assembly having a coupling unit (1) that connects a pump casing (2) to a motor casing (3). The coupling unit (1) has a pump-side connection part (4) and a motor-side connection part (5). Between the connec...
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WO/2022/079725A1 |
Hydraulic gear pump – Socket Drive shaft with slot and bearing is the outcome of an effort to eliminate a number of drawbacks in the existing models. The new system eliminates all these issues and the pump can be fitted effortlessly an...
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WO/2022/073454A1 |
A fan apparatus (100) and an air conditioner outdoor unit (10). The fan apparatus (100) comprises a first wind wheel (110) and a second wind wheel (120) that are axially disposed at an interval. The spacing S1 between the first wind whee...
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WO/2022/073302A1 |
A magnetic suspension local ventilator for mining, comprising a housing unit and a ventilation unit which is mounted in the housing. The ventilation unit comprises an inner housing, a protective sleeve (12), a magnetic bearing (2), an el...
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WO/2022/073411A1 |
Provided in the present utility model is a motor heat dissipation device. The motor heat dissipation device comprises a motor body, a machine body of which is provided with a water passing hole, and further comprises a rear end cover pro...
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WO/2022/075087A1 |
This blower comprises a driving part (2), a shaft (3), a fan (4), and an anti-rotation member (5). The shaft (3) rotates via torque output from the driving part (2). The fan (4) has a main plate (10) having a shaft hole (11) that is pres...
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WO/2022/073718A1 |
The invention relates to a turbo compressor assembly of a cooling machine comprising a compressor (I), an electric motor (III) a turboexpander (II) arranged in a common housing which comprises a body (19) of the compressor, a body (21) o...
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WO/2022/076597A1 |
A fish pass system includes a helical blade having an outside diameter and an inside diameter extending between a first side of the helical blade and a second side of the helical blade. The inside diameter controls a flow of water flowin...
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WO/2022/073821A1 |
The invention relates to a radial compressor (1) comprising at least one impeller wheel (3), which is driven rotatably in a compressor housing (2) and has a wheel front side (5) and a wheel rear side (6), the wheel front side (5) being i...
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WO/2022/074314A1 |
The invention relates to a method for producing a turbomachine compressor blade, comprising the following steps: - installing primary pins (26) comprising a material other than a titanium-based alloy in primary bores (20) of a core, the ...
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WO/2022/076202A1 |
A pump for transferring molten metal is provided. The pump includes a motor, a base having an impeller chamber, a shaft connected to the motor at one end, an impeller connected to the other end of the shaft and rotatable in the impeller ...
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WO/2022/073657A1 |
A mechanism (150) for a pump (100) which includes a pump body (120) having protrusions (122). The mechanism (150) includes a movable basket (130) movable between a first position and a second position. The one or more protrusions (122) b...
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WO/2022/075400A1 |
The present invention addresses the problem of providing an air blower which can sterilize spaces where people gather in the today's society where the pandemic of emerging infectious diseases such as novel coronavirus infections has beco...
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WO/2022/075856A1 |
The disclosure relates to a method for preventing damage to a multiphase pump, comprising measuring the differential pressure of a fluid across a multiphase pump over a time period and measuring the axial position of a rotor of the multi...
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WO/2022/073589A1 |
The invention is directed to a variable mechanical automotive coolant pump (10) comprising a rotatable impeller wheel (20) being co-rotatably connected to a rotatable rotor shaft (30). The coolant pump further comprises a non-rotatable c...
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WO/2022/074285A1 |
A joint element (101) for mechanically connecting an electric machine (108) to a rotating apparatus (109), such as a turbo-compressor, is presented. The joint element comprises a coupling element (102) for connecting a shaft of the elect...
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WO/2022/069147A1 |
The invention relates to a method for monitoring the oil level of an oil-lubricated compressor, comprising the following steps: reading at least one oil level sensor (21, 21a, 21b), by means of which an oil level representing the compres...
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WO/2022/070323A1 |
This fan structure has a centrifugal fan (83, 83A, 83B) comprising a rotational solid (100) and a plurality of ribs (110) that protrude from the rotational solid (100) in the axial direction of a rotational axis (C) and extend along the ...
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WO/2022/069676A1 |
To improve a design, an impeller wheel (10), more particularly for a centrifugal pump (20), is proposed which has, in at least one side view perpendicular to an axis of rotation (12), an outer contour spaced radially at a distance from t...
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WO/2022/070457A1 |
The purpose of the present invention is to provide a blower capable for improving cooling efficiency of an electric motor and achieving both downsizing and larger air flow rate. The present invention comprises: an electric motor 100; a...
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WO/2022/072798A1 |
Systems and methods for converting ordinary circular rotary motion into any non-circular motion that can be defined as a non-overlapping proper function in polar coordinates are provided. Embodiments disclosed teach how to make and use d...
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WO/2022/069420A1 |
Described herein is a vacuum system configured to mitigate damage or risk associated with a pump malfunction (e.g., an imbalance, a catastrophic failure, etc.). An exemplary vacuum pump includes a housing; a vibration isolator coupled to...
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WO/2022/067385A1 |
A centrifugal slurry pump impeller including a back shroud and a front shroud each with opposed inner and outer faces and an outer peripheral edge and a central axis, a plurality of pumping vanes extending between the inner main faces of...
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WO/2022/070500A1 |
This propeller fan comprises a plurality of blades (14) that extend outward in the direction of the radius of rotation from the outer circumferential surface of a cylindrical hub (12). A ring (16), provided so as to surround the pluralit...
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WO/2022/069544A1 |
The invention relates to a retaining device (12) for fastening a pump (10) to a vehicle (14), more particularly to a battery-operated, electric vehicle (14), the retaining device comprising a pump retainer (16) and a fastening element (1...
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WO/2022/071396A1 |
A fan unit connected to a duct, wherein it is possible to detect airflow volume without installing a sensor in the duct. An airflow volume detection unit (50) has a main body unit (52) and a probe (51) for detecting an airflow volume equ...
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WO/2022/071620A1 |
The present invention relates to a blower and, more specifically, to a blower for generating air flow through an impeller, the blower having a driving part that drives the impeller and has a portion insertively provided in the impeller s...
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WO/2022/070991A1 |
A first bearing base part (71) and a second bearing base part (72) are fixed to each other with a spacer member (73) interposed therebetween, resulting in increased precision of the clearance between a first dynamic pressure thrust beari...
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WO/2022/070654A1 |
Provided is a supercharger (100) comprising an impeller, a scroll casing formed to surround the outer circumferential side of the impeller, a bearing casing (20) located adjacent to the scroll casing, and a connection part (40) which con...
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WO/2022/071677A1 |
The present invention relates to an axial flow fan comprising: a hub serving as the rotation center; a plurality of blades that are arranged radially on the outside of the hub and each have a blade base connected to the outer circumferen...
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WO/2022/070613A1 |
Before a first impeller (51) oscillates and strikes against a first shroud surface (53a) and a second impeller (52) oscillates and strikes against a second shroud surface (53b), an outer circumferential surface of a rotational shaft (40)...
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WO/2022/061569A1 |
An easy-installation fan base, comprising a fan body (1), a fan base (5), strip-shaped grooves (6), a bottom plate (7), and a ventilation mechanism arranged on a side face of the fan body (1), wherein a fixing mechanism is arranged on a ...
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WO/2022/062430A1 |
Provided are a blade (2), axial flow airfoil, and fan. The blade (2) comprises a pressure surface (25), a suction surface (26), a blade base part (23), a blade top part (24), a leading edge part (21), and a trailing edge part (22), defin...
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WO/2022/061572A1 |
A fan volute having impact resistance, comprising a housing (1). Mounting blocks (3) are fixed on one side of the outer wall of the housing (1); the mounting blocks (3) are arranged in a circle with respect to the horizontal centerline o...
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WO/2022/061691A1 |
A blade control assembly structure, comprising: at least one rotor body (30, X30, B30), at least two blade mounting structures (304) being provided on the periphery of the rotor body; at least two blades (401, B401), which are sheet-like...
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WO/2022/066663A1 |
A heating, ventilation, air conditioning, and/or refrigeration (HVAC&R) system (10) includes a vapor compression system (14) having an evaporator (38), a condenser (34), and a compressor (32). The compressor (34) is configured to guide a...
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WO/2022/062933A1 |
An impeller (1) and a vortex-type air pump (100). The impeller comprises: an impeller body (11), the middle part of which is provided with a mounting portion for sleeving on a driving shaft (21); two annular bosses (13), which are respec...
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WO/2022/062077A1 |
Disclosed in the present invention is an axial flow fan having an adjustable center height, comprising an air cylinder. An impeller and a motor are provided in the air cylinder, and the impeller is fixedly connected to the front end of a...
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WO/2022/062030A1 |
A centrifugal fan and a housing structure thereof, an air outlet control method and apparatus, and a range hood. The housing structure of the centrifugal fan comprises a volute (1), a volute tongue (2) and an adjustment mechanism (3). Th...
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WO/2022/064751A1 |
In order to provide a centrifugal compressor making it possible to improve maintenance of efficiency while also reducing the outer diameter of a stationary flow path, the present invention is a centrifugal compressor characterized by com...
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WO/2022/063712A1 |
The invention relates to an open impeller (7) and a submergible pump configured for pumping liquid comprising abrasive matter and comprises such an open impeller (7). The open impeller (7) comprising a cover plate (11), a centrally locat...
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WO/2022/062414A1 |
A compressor, comprising a driving motor and a wind wheel (1). The driving motor comprises a housing (2) and a rotator (3); the rotator (3) is rotatably provided in the housing (2); the wind wheel (1) is mounted on a first end of the rot...
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WO/2022/065306A1 |
Provided is a motor which can inhibit a swelling part caused by residual gas from being formed on the inner peripheral surface of a rotor molded by resin casting. This motor (10) comprises a rotor (20) molded by resin casting, and a stat...
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WO/2022/065243A1 |
This fluid pump comprises a rotation shaft, a motor part, and a pump part. The rotation shaft has a center axis, a first end, a second end, a first axis part, and a second axis part. The motor part has a motor casing including a circumfe...
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WO/2022/062932A1 |
An impeller (1) and a vortex air pump (100) having the impeller (1). The impeller (1) comprises: a body (11), the middle of which is provided with a mounting portion fitted over a driving shaft; two annular bosses (13), respectively prov...
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WO/2022/062130A1 |
A centrifugal wind wheel (100) and an air treatment device having same. The centrifugal wind wheel (100) comprises a hub (1) and blades (2), wherein a plurality of air input holes (10) are formed in the hub (1), the plurality of air inpu...
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WO/2022/062043A1 |
A centrifugal fan (100) and a range hood (1000). The centrifugal fan (100) comprises a volute (1), a centrifugal wind turbine (4), an air guide ring (2), and an adjusting mechanism (3). The centrifugal wind turbine (4) is arranged in the...
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WO/2022/062832A1 |
An air guide ring of an axial flow fan and an axial flow fan. The air guide ring comprises an air guide cylinder (1); a pressure diffusion portion (2) extending outward on one end of the air guide cylinder (1); a plurality of guide vanes...
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