Abstract: A heater with 360° rotation of a heated air stream is provided. The device includes a housing, a motor, an impeller, a heating element, an air stream deflector and a rotational engine. More specifically, the device is directed toward a portable space heater having an outward radial projection of a heated air stream in combination with 360° rotational movement for reducing air temperature stratification and uneven heating problems in a room.

Abstract: An engine blower includes: an engine; a fan that is rotated by the engine; a volute case that houses the fan therein and includes an air intake port; and a sponge cover with which an exterior of the air intake port of the volute case is covered.

Abstract: A fan having a housing and a motor connected to the housing via a nonconductive support member. In one form, the nonconductive support member takes the form of a grill. The motor may be connected to the grill such that separate brackets to support the motor are not needed and the motor is electrically isolated from the fan housing. Insulating members may be used to connect the motor to the nonconductive support member. Additional fasteners may be used to connect the motor to the support member. A generally rectangular box fan assembly includes a metal fan housing having a peripheral shroud portion, a nonconductive grill connected to the shroud portion, and a motor assembly connected to the nonconductive grill such that the motor assembly is electrically isolated from the metal fan housing.

Abstract: A pump for use with a fluid circulation system for a recreational water body is disclosed. The pump includes a strainer housing, an impeller housing integrally formed with respect to the strainer housing, and an impeller cover mounted with respect to the impeller housing. The strainer housing includes a top portion having an outer surface adapted to engage with a strainer housing cover for mounting the strainer housing cover with respect to the strainer housing. A plurality of cams are formed circumferentially with respect to the outer surface of the top portion of the strainer housing. The cams are configured and dimensioned to cooperate with corresponding cam members formed with respect to an inner surface of the strainer housing cover. A positioning tab is formed with respect to the top portion of the strainer housing for appropriate alignment of the strainer housing cover. A positioning notch is formed with respect to the inner surface of the strainer housing cover.

Abstract: The device (100) serves to separate solid particles from the water of a flow (E) feeding a hydraulic machine of the turbine, pump, or turbine-pump type. The device has flow inlet and outlet zones (104, 105) for the flow that are spaced apart along an advance axis (X100) of flow advance through the device (100). The device (100) comprises a plurality of ducts (110) placed in parallel, each having a mouth and a downstream end between the inlet zone (104) and the outlet zone (105). In section perpendicular to the advance axis (X100), each duct presents a section in the form of a spiral with a radius of curvature that increases from the mouth towards the downstream end or from the downstream end towards the mouth, with each duct (110) presenting a thickness measured in a generally radial direction relative to the advance axis that is less than 10% of the width (l110) of said duct, measured parallel to said axis (X100).

Abstract: A centrifugal particle separator is provided for removing particles such as microscopic dirt or dust particles from the compressed cooling air prior to reaching and cooling the turbine blades or turbine vanes of a turbine engine. The centrifugal particle separator structure has a substantially cylindrical body with an inlet arranged on a periphery of the substantially cylindrical body. Cooling air enters centrifugal particle separator through the separator inlet port having a linear velocity. When the cooling air impinges the substantially cylindrical body, the linear velocity is transformed into a rotational velocity, separating microscopic particles from the cooling air. Microscopic dust particles exit the centrifugal particle separator through a conical outlet and returned to a working medium.

Abstract: A detachable portable debris removal apparatus designed to attach to a shaft, such as a golf club. The apparatus includes a housing having an internal cavity containing a motor, a fan, and a power supply to operate said motor, turning the fan. The apparatus further includes a control switch to selectively turn the apparatus on and off. Two openings in the housing permit a flow of air through the internal cavity when the motor is operated. The apparatus further includes an attachment member configured to attach to a shaft. The attachment member can be integrated into the housing or attached to an outside surface of the housing. The apparatus can further include a collection assembly disposed within the internal cavity to collect debris drawn into the housing. The collection assembly can be optionally removable from the internal cavity, permitting the apparatus to function optionally as a blower or a vacuum.

Abstract: Disclosed herein is a vibration-absorbing device for blower motors, which is provided between a blower motor and a motor housing surrounding the blower motor. The vibration-absorbing device includes a vibration-absorbing body, which may be spherical, and an engaging depression. The vibration-absorbing body is provided in the blower motor. The engaging depression is formed in the inner surface of the motor housing such that a vibration-absorbing body can be contained therein.

Abstract: The present invention provides an omnidirectional wind collection apparatus. The wind collector includes an outer housing with a peripheral wind inlet circumferentially formed therein. An inner housing disposed within the outer housing has an inner surface with a first opening at a lower end thereof to guide the collected wind to a smaller second opening at the top end. The inner surface is curved between the bottom and top openings to form a progressively narrower passage. The configuration of the inner surface creates a Venturi effect such that the wind is accelerated toward the second opening. A wind pass-through portion is formed above the second opening in the inner housing. Based on the Bernoulli effect, the passage of uncollected wind through this portion creates a low pressure region that expedites flow of collected wind through the first and second openings of the inner housing.

Abstract: Due to variations arising during manufacturing, axial fans often are slightly imbalanced, resulting in noise during operation, which is undesirable in many contexts, for example when the fan is used for ventilation purposes in a motor vehicle. A fan with improved vibration and noise damping can be achieved by elastically suspending the fan wheel within a first ring formed of a hard plastic, the first ring having a tubular extension formed of a softer plastic, and serving to mechanically connect the first ring to a surrounding annular carrier part. Optionally, the first ring and extension unit can include a spring element. Preferably, the first ring and tubular extension are produced by a multi-component forming technology such as two-plastic technology. The fan is preferably driven by an electronically commutated motor (ECM).

Abstract: An outdoor unit for an air conditioner is disclosed. The outdoor unit according to the present invention comprises a housing which has an air inlet and an air outlet, a ventilation fan rotatably mounted in the housing, and a fan guard connected to the housing to cover the air outlet. Here, the fan guard comprises a plurality of closed ribs arranged sequentially and concentrically between a center and an outline thereof, and a plurality of radial ribs arranged in radial directions to interconnect the plurality of closed ribs, in such a manner that some of the closed ribs, which are disposed at intermediate positions near tips of the ventilation fan, are at a further distance from the ventilation fan than the other closed ribs, which are disposed near the center and the outline.

Abstract: A fan with concealed 360-degree oscillating mechanism includes a main housing; a pivot member vertically, pivotally and turnably mounted in the housing; a first driving motor having a forward first rotary shaft and horizontally, pivotally and turnably mounted in the pivot member; an oscillating mechanism assembled between the first driving motor and a rear end face of the main housing, and having a first end driving an opposing second end to rotate eccentrically; and a set of blades fixedly connected to the first rotary shaft to locate in front of the main housing. With the first driving motor pivotally connected to the pivot member and eccentrically connected to the oscillating mechanism, the set of blades can be oscillated 360 degrees while being rotated by the first driving motor; and parts inside the main housing undertake force evenly to enable stable operation of the fan and reduced stress fatigue of the oscillating mechanism.

Abstract: The present invention relates to a hydraulic pump (10) hydraulic portion body (1) capable of cooperating with a pump electric motor body (1c), said hydraulic portion body (1) including a pre-filter body (1a) comprising: an upper portion (2), and a lower portion (3), and said upper portion (2) and lower portion (3) of said pre-filter body being independent of each other and mounted in a sealed (6a) removable attachment (6b, 6c), the orientation of both of said upper portions (2) and lower portion (3) of the pre-filter body relatively to each other being adjustable in rotation relatively to each other according to several positions, preferably in at least 3 different positions, still preferably at least 4 different positions, still preferably according to any position.

Abstract: A multi-functional air circulation system includes a bottom base, a flow-splitting base, a filter and a main engine. The bottom base has a lower flow-guiding surface, a net, and a space used to contain diverse improving agents. The flow-splitting base is fixed on the bottom base, including an inner flow-guiding surface to rush air flow generated by a blade member down to the bottom base. The filter is laid at an exit of the inner flow-guiding surface, composed of two filter bases forming a room between them for containing aromatic powder, etc. The main engine includes a motor having its shaft fixed with a blade member, and a control system. The motor is installed in a rear shell combined with a front shell. Air is sucked in through the rear shell to run through an ornamental shell and the flow-splitting base to enter a room. The main engine and the bottom base can also be assembled to work independently.

Abstract: A jet engine intake deflector system for preventing foreign objects from entering the intake of a jet engine. The jet engine intake deflector system generally includes an air intake frame, a plurality of fins and a deflection member. The air intake frame is generally comprised of a plurality of laterally extending outer supports arranged at equidistance from each other in a substantially circular configuration around a center support. Each fin is generally comprised of a flat plate, wherein a front end of each fin is attached to the deflection member and a rear end of each fin is attached to the air intake frame. The free end of the air intake frame is generally welded directly onto a jet engine to protect its intake from foreign objects, such as birds. Upon striking a foreign object, the deflector member will direct the foreign object out and away from the jet engine intake.

Abstract: A compressor shroud for containing fragments of a compressor impeller and a turbine wheel within a gas turbine engine. The compressor shroud includes a compressor containment section, a turbine containment section, and a containment continuity section. The containment continuity section connects the compressor containment section and the turbine containment section to form a one-piece part.

Abstract: A filter cassette (1) for removing particles from an air stream, in particular from a gas stream entering a gas turbine, has an upstream end (14) and a downstream end (16) and comprises a mounting frame to which a filter media (4) is fitted and which has a mounting face (5) adapted for mounting the filter cassette to an opening (15) of a partition (6). The mounting face is positioned between the filter cassette's upstream and downstream ends at a first distance (Dup) from said upstream end (14) and a second distance (Ddown) from said downstream end (16). The first and second distances each amount to more than 10% of an overall length of the filter cassette. Preferably, the mounting face (5) is positioned centrally between the upstream and down-stream ends (14, 16), approximately in a barycenter line of the filter cassette (1). The filter cassette thus extends to both sides of the partition opening (15).

Abstract: Disclosed is a protective screen assembly (1) for a fan, comprising a cover part (2) having an air passage opening (4) and a protective screen (6). In the area of the passage opening (4), the protective screen (6) is connected or can be connected to the cover part (2) via a plurality of detent connections (8) distributed over the circumference so as to close the passage opening as protection against contact. Each detent connection (8) comprises a detent shoulder (10) arranged in the passage opening (4) and a detent element (12) arranged on the protective screen (6).

Abstract: A system and method for particle separation in a gas turbine engine centrifugal impeller bleed air system using a tangential velocity component of the compressor bleed air to centrifuge the particles radially outwardly and convey the particles circumferentially, away from a clean air outlet and towards a particle outlet where the particles are extracted from the bleed air.

Abstract: An outdoor unit of an air conditioner is provided. The outdoor unit includes a base assembly defining a lower exterior of the outdoor unit and supporting a plurality of parts, left and right panels that are provided on the base assembly to define left and right exteriors of the outdoor unit, a pair of top panels that are provided between upper ends of the left and right panels to define a top exterior of the outdoor unit, a blower assembly including a blower fan generating air current and a motor providing a torque to the blower fan, a frame assembly supporting the blower assembly and including a pair of transverse supports interconnecting the left and right panels and a motor mount disposed between the pair of transverse supports to support the motor, and a shroud enclosing the blower fan and the motor and guiding airflow generated by the blower fan. The motor mount is received to an inside of the shroud.

Abstract: A fan assembly includes a fan and a fan guard mounted on the fan to protect the fan from contamination and damage during operation. The fan includes a plurality of ears extending outwardly from a circumference thereof. The fan guard includes a frame and a hood made of net and mounted over the frame in a stretched manner. The frame includes a plurality of concentrically arranged annular ribs and a plurality of supporters connecting the annular ribs together. The annular ribs are spaced apart with predetermined spacing along an axial direction. A lowest one of the ribs of the frame is bent to form a plurality of fastening feet for extension of screws to threadedly engage with the ears of the fan. The hood has an outwardly convex periphery due to the configuration of the annular ribs.

Abstract: Disclosed herein is a wind turbine that includes a cylindrical impeller having a plurality of blades located about a radius of the cylindrical impeller, the blades having a span that is less than or equal to 20 percent of the radius. The wind turbine further includes an inlet duct that channels an airflow to the impeller and an outlet duct that channels the airflow away from the impeller substantially perpendicular to the inlet airflow in a plane that is perpendicular to a central axis of the impeller. Moreover, the inlet duct, the outlet duct and the impeller induce a recirculation zone in a center portion of the impeller that is located within the blades of the impeller.

Abstract: An inflatable sealing assembly for sealing between an intake section of a turbine engine and an air inlet ring of a vehicle. The inflatable sealing assembly including a seal holder coupled to the intake section of the engine and having a first inflatable seal, a second inflatable seal, and a closed cell foam material disposed therein. The first inflatable seal and the second inflatable seal are configured when inflated to provide a seal between the intake section of the turbine engine and the air inlet ring of the vehicle and prevent foreign object debris and/or water from entering the turbine engine.

Abstract: A vaneless compressor containment design has an inner bolt circle with more than three fasteners situated in the vaneless space to cut up tri-hub pieces to smaller pieces prior to reaching an outer bolt circle and its associated flange. This containment design may allow a thinner radial wall thickness for the outermost flange as compared to the conventional design. The thinner radial wall thickness may reduce the weight of the compressor. This weight reduction may be achieved with little or no increase in the compressor space envelope.

Abstract: An inlet filter house is provided for use with a turbine engine including an inlet duct. The inlet filter house is coupled to the inlet duct and includes an inlet hood including a filter assembly selectively positionable between an operating position and a bypass position. An actuating assembly is coupled to the filter assembly to selectively position the filter assembly. A sensor is configured to detect at least one operating parameter. A controller is coupled to the sensor for actuating the actuating assembly based on the at least one operating parameter.

Abstract: A fan mounting assembly includes a fan, a supporting device, two fixing devices, and two magnetic units. The fan includes a frame having two spaced walls, and at least two spaced fixing holes are defined in each of the walls. The fixing devices are oppositely mounted to the supporting device and sandwich the fan therebetween. Each of the fixing devices includes a fixing plate and two fixing arms perpendicular to the fixing plate. The fixing arms of the fixing devices are made of ferromagnetic material and align with the fixing holes of the fan respectively. Each of the magnetic units includes two magnets. Each magnet of the magnetic units engages in a corresponding one of the at least two fixing holes of a corresponding wall of the fan and attracts a corresponding fixing arm, to make the fixing arms clamp the fan.

Abstract: A turbine airfoil is disclosed. The airfoil includes one of a turbine shroud, liner, vane or blade, including an airfoil sidewall having a film-cooling hole that extends between an airfoil cooling circuit and an airfoil surface. The airfoil also includes an insert disposed in the film-cooling channel having a body. The body has a proximal end configured for disposition proximate the airfoil surface and a distal end. The body is also configured to define a passageway that extends between the distal end and proximal end upon disposition in the film-cooling hole.

Abstract: An engine cooling system incorporates a cooling fan module having a motor and a fan driven by the motor. The motor has a motor housing and two end caps disposed at respective ends of the motor housing. Each of the end caps has at least one axial hole to allow air to flow through the motor to dissipate heat from inside the motor. The motor also has a dust screen disposed inside the motor and adjacent each of the axial holes for preventing external particles entering the motor through the axial hole. Each dust screen has a plurality of apertures to allow air to flow through the motor but prevents dust particles entering the motor.

Abstract: A centrifugal pump (1, 110) includes an apparatus for the removal of particles, wherein the centrifugal pump includes an impeller (6, 106). A fluid (2, 102) can be conveyed by means of the impeller (6, 106) through a suction passage (5, 105) from a suction stub (3, 103) to a pressure stub (4, 104). The impeller (6, 106) is rotatable in a stator (7, 107). A gap (9, 19, 109) is arranged between the stator (7, 107) and the impeller (6, 106), wherein the gap (9, 19, 109) opens into a storage space (11, 21, 111) for particles. The storage space (11, 21, 111) communicates with the suction passage (5, 105) via a return line (12, 112) running through the stator (7, 107).

Abstract: The present disclosure relates generally to a sump pump guard adaptor, system, and method of adapting thereof, and more particularly to an inlet pre-screen cover also acting as a platform for pit positioning of a pump, a platform for adapting multiple pumps made to adapt over the inlet of sump pumps of different size to be configured into sump pits also of varied size. The adaptor can be adapted using a base connected to a top portion or simply a top portion also called the adaptor itself. The design also includes a plurality of flow openings that allow for easy cutting or bending of different portions of the adaptor for example on the inner and outer radii of the adaptor, a multi-segment design for better stacking and storage in a compact configuration, a plurality of pipe openings for use in a staked sump pumps configuration, an access doors to help lower the sump pump into the adaptor, and an adaptor with a secondary pump support built in the main body or as an external piece adaptable to the main body.

Abstract: Submersible pumps, diffuser assemblies, and related methods for pumping a fluid having a substantial sand content, are provided. A diffuser assembly for a submersible pump can include anti-swirl ribs forming sand dams positioned on an upper surface of the diffuser bowl floor at an acute angle to guide trapped between the bottom shroud of an impeller and the diffuser bowl to the inner surface of the diffuser bowl outer wall and back into the production fluid stream. The diffuser assembly can also include sand jump ramps each separately positioned adjacent the outer peripheral surface of one of the sand dams and positioned adjacent a separate portion of the inner surface of the diffuser bowl outer wall to further enhance deflection of sand back into the production fluid stream.

Abstract: The water-turbine and the intake- and exit-tubes are located in a house, which is supported on stilts from the bed of the headpond. In operation, water is siphoned upwards out of the headpond through the open underside of the house. A trashrack is located in the intake-tube, above the water level of the headpond, whereby the trashrack is in air when the turbine is not running. The trashrack is horizontal.

Abstract: A turbine for a hydroelectric power plant intended to equip a water stream at the level of a very low head lower than 10 meters, and preferably from 1 to 5 meters, comprising a helix-shaped wheel, the ratio between the kinetic energy of the water flow coming out of the wheel and the potential energy of the head being smaller than 20%.

Abstract: A centrifugal particle separator removes particles such as dust particles from a compressed airflow prior to reaching and cooling the turbine blades of a turbine engine. A particle separator structure defines a plurality of inward-facing pockets which are separated by pocket dividers defining an airflow path having a diameter that decreases from the entrance to the exit. A centrifugal force created by the rotating centrifugal particle separator assembly causes particles to collect within the plurality of pockets and the remaining compressed air is provided to cool the turbine blades. The decreasing diameter of the airflow path forces the airflow with particles to accelerate to a rotational velocity greater than that of the rotating particle separator by conservation of momentum.

Abstract: A fan unit (1), to be attached to a filter frame (40) of a filter fan, consisting of a housing with a cylindrical housing rim, an inlet opening (20), an outflow opening (7) and at least one protective grid which covers one of both of the openings, and one fan (4) attached to the housing via a motor mount (14) which conveys the air in at least the axial direction. The design enabling the manufacture of a more compact fan unit in an easier and more cost-effective manner, which provides high efficiency and can be installed as a suction as well as a blowing fan unit in the filter fan, and is easy to dismount for the maintenance of the filter fan.

Abstract: The present invention provides a motor which includes a stator including a plurality of one-phase stators composed of a pair of stator cores having claw-type teeth and a coil for generating magnetic flux at the claw-type teeth, and a rotor for generating torque at a rotary shaft, wherein the stator core includes a plurality of split cores having the same shape, and the split cores are formed to have a recessed portion and a projected portion to be fitted in the recessed portion. Thereby, by using a plurality of the split cores having the same shape, one stator core is formed. On this occasion, the shape of the split cores is molded so that the recessed portion and the projected portion of one stator core are disposed at positions at which those are fitted to the projected portion and the recessed portion of the opposing stator core, respectively.

Abstract: An embodiment of the present invention takes the form of a system that may recirculate a portion of the exhaust of at least one turbomachine where it may be mixed with the inlet air and re-enter the turbomachine without affecting reliability and availability of the unit. An embodiment of the present invention provides an inlet system for an exhaust gas recirculation system. This inlet system may take a variety of forms and may optimize the direction that the portion of the recirculated exhaust stream flows within the inlet system.

Abstract: A variable geometry turbine comprising: a housing; a turbine wheel supported within said housing for rotation about a turbine axis; an annular inlet passage within said housing upstream of said turbine wheel and defined between respective radial inlet surfaces of first and second wall members; an outlet passage within said housing downstream of said turbine wheel; an array of vanes extending across the inlet passage, said vanes being connected to said first wall member; at least one of said first and second wall members being moveable along the turbine axis to vary the size of the inlet passage and/or at least one of said vanes being rotationally moveable about an axis that is substantially parallel to said turbine axis to vary the size of the inlet passage; wherein at least one particulate filter is provided within said housing at a location such that said particulate filter can be contacted by particulate matter flowing through said turbine during use.

Abstract: An exemplary axial flow steam turbine is disclosed which includes a motor, a turbine casing and at least first and second turbine stages, with the second turbine stage being located adjacent to and downstream from the first turbine stage. A radially outer static diaphragm ring of the second turbine stage includes an annular axial extension extending in an upstream axial direction and carrying a circumferential tip sealing device which cooperates with shrouds of a circumferential row of moving blades of the first turbine stage. An upstream end of the annular axial extension is axially spaced from a radially outer static diaphragm ring of the first turbine stage such that a circumferential passage is defined between the upstream end of the annular axial extension and the radially outer static diaphragm ring of the first turbine stage. Solid particles are diverted from steam flow by a circumferential passage during operation.

Abstract: A heat dissipating fan includes a housing having a base and a sidewall coupled to the base. The sidewall defines a compartment. The housing further includes an air inlet, an air outlet, and a dust channel. The air inlet, the air outlet, and the dust channel are in communication with the compartment. A stator is coupled to the base of the housing. An impeller is rotatably coupled to the stator. A control element includes a driving circuit electrically connected to the stator and a rotating direction control circuit electrically connected to the driving circuit. In another embodiment, the heat dissipating fan includes a housing having a base and a lateral wall coupled to the base. The lateral wall defines a compartment. The lateral wall includes an air inlet and an air outlet both in communication with the compartment. The air inlet also acts as a dust channel.

Abstract: A portable air blower includes a blower fan, a drive unit for driving the blower fan, a casing for covering at least the blower fan and having a side wall with an air intake opening defined therein, and a covering unit for covering the air intake opening. The covering includes an air intake grille fitted to the casing and operable to permit an air to pass therethrough into the air intake opening, but to block foreign matters off therefrom, and a protective shroud held in overlapping relation with the air intake grille for covering the air intake grille on one side of the air intake grille opposite to the air intake opening. The air intake grille has an outermost area having a circumferential edge, which is positioned substantially radially inwardly of an outer peripheral edge of the protective shroud.

Abstract: Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow performance. A floor edge allows for flush positioning of the air mover's outlet to improve flow of air. Various supports and engagement members allow for horizontal and/or vertical engagement of a plurality of the air movers for storage or increased air moving capacity for a given application. An alignment guide assists with positioning of the air mover with respect to a room wall to enhance air flow within the room. A cord retaining system provides an enhanced approach for securing the air mover's electrical cord. Grill guards have slotted ends to assist with assembly of the air mover.

Abstract: Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow performance. A floor edge allows for flush positioning of the air mover's outlet to improve flow of air. Various supports and engagement members allow for horizontal and/or vertical engagement of a plurality of the air movers for storage or increased air moving capacity for a given application. An alignment guide assists with positioning of the air mover with respect to a room wall to enhance air flow within the room. A cord retaining system provides an enhanced approach for securing the air mover's electrical cord. Grill guards have slotted ends to assist with assembly of the air mover.

Abstract: A hydrokinetic turbine system, including a plurality of hydrokinetic turbines is installed on a bed of a body of water. Each turbine has a shroud with a forward entrance portion and rear exit portion. The shroud includes a propeller disposed in a middle portion thereof. An inner surface of the shroud includes a plurality of rifling vanes formed therein to induce water entering the forward entrance portion to rotate in a vortex-like fashion. A plurality of pre-spin guard blades disposed adjacent the forward entrance portion also induce rotation of water and serve to provide a barrier preventing objects from passing into the forward entrance portion. A plurality of stabilizers extending from an exterior surface of the shroud that position the forward entrance portion in the direction of current flow.

Abstract: The invention provides a blower system of a high performance, which is constructed to have stabilized characteristics, a high efficiency, a reduced thickness and a reduced noise. A blower system according to the invention includes an impeller, a motor for rotating the impeller and having a rotor and a stator, and a bell-mouth for supplying air to an intake port in the impeller, wherein the rotor is fixed to the impeller, and the stator is fixed to the bell-mouth. A gap between the impeller and the bell-mouth is composed of a gap between the rotor and the stator of the motor. Alternatively, the rotor is fixed to the impeller, and the stator is fixed to a fitting for mounting a housing of the blower system or the blower system.

Abstract: An active flow control (AFC) system for use with a wind turbine is provided. The wind turbine includes at least one rotor blade having at least one manifold extending at least partially therethrough and at least one aperture defined through a surface of the at least one rotor blade. The at least one aperture is in flow communication with the at least one manifold. The AFC system includes an air intake duct configured to draw ambient air into the wind turbine, a self-cleaning air filter coupled in flow communication with the air intake duct and configured to filter the ambient air, and an AFC distribution system configured to eject the filtered air through the at least one aperture.

Abstract: An engine air particle filter system configured to selectively receive one of at least a first tray which supports a first filter media and a second tray which supports a second filter media different than the first filter media.

Abstract: An exhausting system and an exhausting pump connected to a processing chamber of a substrate processing apparatus are provided. The exhausting pump is provided with at least one rotary blade and a cylindrical intake part disposed at the processing chamber side from the rotary blade. The exhausting pump includes a reflecting device disposed inside the intake part and having at least one reflecting surface oriented to the rotary blade.

Abstract: A fan includes a frame, rotor supported by this frame and having a central hub and a number of blades and a drive mechanism for rotatably driving the rotor, in addition to a ring to which the end zones of the blades are connected. The ring is assembled from two part-rings of the same form which each include a circular strip of sheet material, the free ends of which are mutually connected to form the outer surface of a truncated cone, and a third part-ring which mutually connects the inner edges of the first two part-rings. The end zones of the blades are connected to the third part-ring. The ring has a diameter of more than about 1.50 m. The number of blades amounts to at least eight. The blades are hollow and include a framework structure which is provided with a skin connected thereto.

Abstract: Apparatuses, systems, and methods for preventing foreign objects from being ingested into the air intake of a jet engine. Apparatuses can have a mount with an opening for fluid communication with an air intake of the engine, a generally pyramidal shaped tip, and at a generally frusto-pyramidal shaped shield between the tip and the mount. The tip and the shield can be generally conical, generally polygonal, generally elliptical, or generally lunal. A proximal end of the tip can overlap and attach to a distal end of the shield and a proximal end of the shield can overlap and attach to a distal end of the mount. The exposed lateral surface of the tip and/or the shield can be solid without openings therein. Systems can include a nacelle provided around a portion of the jet engine and a plurality of overlapping generally frusto-pyramidal guards attached to each other and the nacelle with a plurality of gussets.