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Patent Searching and Data


Matches 401 - 450 out of 12,594

Document Document Title
WO/2022/119048A1
The present invention relates to a rotary piston air compressor, and to a rotary piston air compressor with a simple structure and easy maintenance by configuring a compression part that compresses air by means of rotation and displaceme...  
WO/2022/110642A1
A large-air-amount heat dissipation fan, comprising a fan frame (1), an electric motor mounting base (2), an electric motor and a fan body (3), wherein the electric motor mounting base (2) is fixed to a rear air inlet of the fan frame (1...  
WO/2022/113821A1
The present disclosure addresses the problem of providing an air-blower apparatus having an increased likelihood that a wireless signal will be properly transmitted thereto, and an air-blow control system using the air-blower apparatus. ...  
WO/2022/111452A1
A portable fan (10) which can be mounted at the top of a display screen of an electronic device to blow air to a user in front of the display screen. The portable fan comprises an elongated main body (12) and a fan wheel (25) which is ar...  
WO/2022/111852A1
The compressor (1000) is used for processing a CO2 flow; a first compressor stage (200) has a first row of blades (250) with a first number of blades and a second compressor stage (300), downstream the first compressor stage (200), has a...  
WO/2022/112910A1
The present invention relates to a compressor device (1 ) comprising: - a compressor installation (2) having at least one compressor element (3a, 3b, 3c) for compressing a suctioned gas, the compressor element (3a, 3b, 3c) being driven b...  
WO/2022/105587A1
The backpack blower includes a backpack assembly and a blower body. The backpack assembly is used for an operator to carry and comprises a battery pack cavity to house a battery pack. The blower body is mounted on the backpack assembly. ...  
WO/2022/105210A1
A back-to-back disposed compressor comprises a rotating shaft (1). An impeller set and a motor (4) are sleeved on the rotating shaft (1). A stator (2) covers the impeller set. The impeller set comprises a pair of impellers (2). The pair ...  
WO/2022/105211A1
A two-stage bilateral gas compressor, comprising a rotating shaft (1). A motor (4) is sleeved at the middle part of the rotating shaft (1), and impellers (2), respectively a first impeller and a second impeller, are sleeved on both sides...  
WO/2022/104946A1
An air circulation processing apparatus used for crispy shrimp storage, relating to the technical field of crispy shrimp production devices, mainly composed of a cuboid housing (1), a cylindrical box (18), a ventilation mechanism, a seal...  
WO/2022/106109A1
The invention relates to a lighting device comprising: - an illuminating structure (100); - an inflatable envelope (190) surrounding the illuminating structure; - an inflation fan suitable for inflating the envelope; and - an electronic ...  
WO/2022/105358A1
An electronic speed regulator having a built-in fan. The electronic speed regulator comprises an aluminum part (10), a frameless fan (20), and screws (30); the frameless fan (20) is mounted on the aluminum part (10) by means of the screw...  
WO/2022/105208A1
A compressor having an oblique thrust structure, and a rotor system. The compressor having an oblique thrust structure comprises a rotating shaft (1); an impeller (2) and a motor (4) are sleeved on the rotating shaft (1); a stator (3) co...  
WO/2022/105209A1
An air-cooled compressor, comprising a rotor (1), an impeller (2) and at least one main air passage. The main air passage is arranged surrounding a stator (41), an outlet of the tail end of the main air passage is connected to a high pre...  
WO/2022/103016A1
A ship resistance reduction apparatus using air is disclosed. The objective of the present invention is to spray air at the bottom side of a ship to cause generated bubbles to remain at the bottom side thereof, and thus reduce frictional...  
WO/2022/100644A1
A fan cover (92) and a fan assembly (900) provided with same. The fan cover (92) is provided with a through hole portion (1) and a blocking cover (2); the through hole portion (1) has a through hole (92a); and the blocking cover (2) is c...  
WO/2022/099811A1
A facial recognition-based device for cleaning and storing a raincoat and rain boots, comprising a storage machine (11), a rain boot storage cavity (15) within the storage machine (11), a raincoat storage cavity (27) is provided in the m...  
WO/2022/102973A1
An apparatus and a method for measuring the RPM of a fan by using an IR-UWB radar are disclosed. The disclosed apparatus comprises: a radar signal variance acquisition unit which receives a reflected signal of an IR-UWB radar to acquire ...  
WO/2022/103868A1
A fan assembly includes an internal housing having an outer internal housing, and an inner internal housing partially disposed within the outer internal housing. The inner internal housing defines an internal cavity, and has a curved ext...  
WO/2022/097835A1
A blower fan (100) having a sterilization module integrated therewith comprises: a stationary part (10) including a central shaft (12) formed at the center to protrude upward, a bracket (16) extending horizontally from the bottom of the ...  
WO/2022/095541A1
A fan with a series structure. The fan comprises a fan main body (1), the fan main body (1) is provided with a clamping structure (11), and more than one fan is connected in series through the clamping structure (11). After a plurality o...  
WO/2022/096016A1
An air guide structure, comprising a through barrel (1) for guiding air, wherein the interior of the through barrel (1) is divided, in a radial direction, into an inner flow channel and an outer flow channel which are separated from each...  
WO/2022/089705A1
The present invention disclose a blade (1) for use in a fan (2) as well as a fan (2) with such a blade (1), where said blade (1) has a profile which profile when travelling through air will impart motion to the air, and where said blade ...  
WO/2022/092723A1
The present invention relates to a cooling fan having a waterproof structure of a printed circuit board (PCB) on which a motor driving circuit is mounted. The cooling fan according to the present invention comprises: a fan housing having...  
WO/2022/091296A1
A blower device (1) comprises a casing, a fan, an orifice (5), a sensor (15) for sensing the environment in a room, a control board (16) that is electric connected to the sensor (15) and the fan, and a box body (7) that is attached to th...  
WO/2022/088691A1
Disclosed is a swing angle adjustment device for an electric fan oscillating head, and an electric fan applying same. By means of an arc reinforcing sleeve, in which one end is in sliding fit with a planetary gear addendum-circle surface...  
WO/2022/088223A1
Disclosed is a fan system, comprising a volute casing (21), and an impeller (22) and an electric motor (23) arranged inside the volute casing (21), wherein the volute casing (21) comprises a front cover plate (211), a rear cover plate (2...  
WO/2022/088237A1
A storable fan, comprising a fan head (1), a supporting rod (2) and a base (3) which are detachably connected. A first accommodating recess (301) and a second accommodating recess (302) are formed on the base (3); the storable fan has a ...  
WO/2022/091439A1
A blower device (10) comprises a pair of long ducts (20) arranged parallel to each other, and a first blower (30) that is positioned between the pair of ducts (20) and blows air into each of the pair of ducts (20). Each of the pair of du...  
WO/2022/088222A1
A parallel-connected double-fan system and a range hood applying the same. The fan system comprises two fan systems configured to be connected in parallel. Each of the fan systems comprises a volute (21). The volute (21) comprises a fron...  
WO/2022/085298A1
Provided is a soldering device in which gas is sucked from suction ports in a first plate more evenly than a conventional device. A soldering device according to the present disclosure is a soldering device for performing soldering and...  
WO/2022/083519A1
A neck fan (10, 210, 500), comprising a first air outlet portion (14, 214, 514) and a second air outlet portion (16, 216, 540); the first air outlet portion (14, 214, 514) is provided with a first accommodating cavity (26, 226, 526) and ...  
WO/2022/077541A1
The present invention relates to an air compression device, a multi-stage air compression device and a hydrogen fuel cell. The air compression device comprises a first compressor and a driving device, wherein the first compressor compris...  
WO/2022/079316A1
An aerodynamic spoiler (4) attached to a fraction of the circumference of a bellmouth (3) in order to eliminate separation of the inlet flow in fan assemblies used in ventilating tunnels and other internal spaces.  
WO/2022/077557A1
A backpack work tool, comprising: a backpack body support, a power mechanism, configured in the backpack body support, and used for outputting mechanical energy when the work tool works; and a power supply assembly, comprising a power su...  
WO/2022/077336A1
Systems and methods for cooling a server case are disclosed. In at least one embodiment, a fan switches between an axial operation mode and a centrifugal operation mode to change a direction of an air flow within this server case.  
WO/2022/077688A1
An air duct component (20) for a cross-flow impeller (10), and an air conditioning device (100) having the same. The air duct component (20) comprises a first volute portion (21) and a second volute portion (22). A cross-flow air duct (2...  
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...  
WO/2022/077559A1
A backpack-type operation tool, comprising: a backpack main body support; a power mechanism, which is arranged in the backpack main body support and is used for outputting mechanical energy when an operation tool performs an operation; a...  
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...  
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...  
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...  
WO/2022/073279A1
A neck-hanging fan (30), comprising an arc-shaped shell (10) and at least four fan assemblies (20). The arc-shaped shell (10) can be worn on the neck of a human body. The arc-shaped shell (10) has a first part (11) and a second part (12)...  
WO/2022/073977A1
The invention relates to an impeller machine comprising an impeller housing (15) and a motor housing (19), wherein the motor housing (19) is arranged in an interior of the impeller housing (15). An aerostator (20) forms a connection betw...  
WO/2022/070009A1
The description relates to a system for mixing air in an environment comprising an air mixer comprisiung an adjustable speed motor and a helical-centrifugal impeller, a sensor configured to measure a parameter indicating the environmenta...  
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...  
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...  
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...  
WO/2022/062076A1
Disclosed in the present invention is a low-loss axial flow fan, comprising a housing, and an impeller, an impeller support shaft, and a motor being disposed inside the housing, the impeller being fixedly connected to one end of the impe...  
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...  

Matches 401 - 450 out of 12,594