Abstract: An actuating rod of an actuator is rotatably connected to a distal end portion of a link member, a connecting pin is integrally provided at a distal end portion of the actuator rod, a pin hole for allowing insertion of the connecting pin is penetrated and formed at a distal end portion of the link member, and a disc spring for biasing the distal end portion of the link member and the distal end portion of the actuating rod in an axial direction (both sides of the axial direction) of the actuating rod as directions opposite to each other between the distal end portion of the link member and the distal end portion of the actuator rod.

Abstract: An agricultural harvester having a combine and a header is provided. The combine includes a primary hydraulic system for use in operations of the combine. The primary hydraulic system includes primary hydraulic fluid. The header is attachable to the combine and includes a header hydraulic system having a header hydraulic fluid and a heat exchanger operatively connected to the primary hydraulic system and the header hydraulic system.

Abstract: A foreign substance removal apparatus for a gas turbine includes a combustor casing having a first cooling air passage formed in a tangential direction of a combustor in a gas turbine in order to move cooling air into the combustor, a first foreign substance collection unit disposed on a flow path in the first cooling air passage in order to primarily filter foreign substances contained in the cooling air, a second cooling air passage extending radially toward a turbine blade in a circumferential direction of a torque tube located in the combustor, and a second foreign substance collection unit disposed on a flow path in the second cooling air passage and communicating with the second cooling air passage to secondarily filter foreign substances contained in the cooling air introduced through the first cooling air passage.

Abstract: A steel soft wall fan case assembly according to one embodiment configured with a thin-walled steel support structure shell including a plurality of annular axial walls of thin sheet metal reinforced by a plurality of rings interconnecting axially adjacent annular axial walls. The steel support structure shell is structurally integrated with honeycomb materials and an annular metallic inner wall. A fabric containment layer may be wrapped around one of the annular axial walls of the steel support structure shell.

Abstract: A method and apparatus for separating particles from an inlet airflow of a turbine engine has a centerbody with at least one radially outward scavenge conduit. The inlet airflow has entrained particulate matter, which can impact an impact surface defining part of the centerbody. The particulate matter is radially diverted outward through at least one inlet to a scavenge conduit, unable to make a turn defined by the shape of the centerbody.

Abstract: An auxiliary power unit may comprise a twin centrifugal compressor including a first blade. A turbine may be disposed aft of the twin centrifugal compressor. The turbine may include a second blade. The first blade comprises a first material and the second blade comprises a second material. The first material may the same as the second material. The twin centrifugal compressor may include forward centrifugal compressor and an aft centrifugal compressor disposed aft of the forward centrifugal compressor.

Abstract: Provided is an air conditioner. The air conditioner includes: a blower fan blowing air; a blower motor rotating the blower fan; and a blower housing coupled with the blower motor and including a ring-shaped air blowing flow passage in which air discharged from the blower fan flows. Here, the blower housing includes a plurality of vanes that are disposed spaced from each other in a circumferential direction on the air blowing flow passage over the blower fan.

Abstract: A turbine exhaust case has an outer housing to be secured within a gas turbine engine and a central hub. Struts extend between the outer housing and the central hub. The struts are formed at least in part of a first material. The central hub is formed at least in part of a second material.

Abstract: Apparatus, including a pumping system, is provided featuring a pump and a control circuit. The pump has an impeller housing configured with a slit at the top for trapped air to leave the impeller housing once the pump has been submerged. The control circuit is configured to cycle the pump on and off for a predetermined number of cycles so that the trapped air will float to the top and be expelled out the slit when the pump is cycled off. The control circuit is configured to leave the pump on after the predetermined number of cycles.

Abstract: Described is a fan assembly comprising a body comprising an air inlet, an air outlet, and means for generating an air flow through the body. The fan assembly also comprises a nozzle for receiving the air flow from the body and for emitting the air flow, a filter upstream from the air inlet and having an upstream surface and a downstream surface, a seat on the body having an upwardly facing surface for supporting the filter, and sealing means for forming a seal between the filter and the body to define a flow path between the downstream surface of the filter and the air inlet.

Abstract: A self-cleaning pool or spa filter system having a filter body housing a set of filter cartridges, each filter cartridge rotatably connected to a filter holder, a spray manifold having an inlet for receiving water from a pump and a plurality of sprayers, a shaft connected to the filter holder and a motor, which can rotate the shaft and thus the filter holder, causing the set of filter cartridges to rotate about the shaft, exposing lengthwise each filter cartridge to the sprayers; a sun gear attached to the first shaft; and a set of planet gears, each planet gear being concentrically associated with one filter cartridge and engaged by the sun gear, causing transfer of a rotational movement of the sun gear to each planet gear and to each filter cartridge, causing each filter cartridge to rotate, exposing the entire circumference of each filter cartridge to the plurality of sprayers.

Abstract: A flow duct able to be connected to a ram outlet header includes a band having an annular shape and a glove connected to the band. The glove can include a first end that is annular in shape and connected to the band, a body that is curved and has a substantially U-shaped cross section with a first opening, and a second end that has a substantially U-shaped cross section and a second opening that is an extension of the first opening.

Abstract: A containment arrangement for a gas turbine engine comprises: a radially outer annular casing (12); a fan track liner (28) radially within the casing comprising: an impact region (30) comprising a cellular material having a first compressive strength; at least one elongate ridge portion (26) extending through the impact region in a direction having an axial component, the ridge portion having a second compressive strength higher than the first compressive strength; and a gas-washed layer (38) radially within the fan track liner.

Abstract: A centrifugal pump (1) includes at least one pump stage (2) and a first housing part (3) having a suction connection (5). A second housing part (6) has a pressure connection (7). At least one intermediate housing part (10) at least in sections delimits a channel (11) leading to a pressure side of the at least one pump stage (2). The pump further includes a third housing part (20). The second housing part (6) and the at least one intermediate housing part (10) are arranged between the first and the third housing part (3, 20). The at least one intermediate housing part (10) and the second housing part (6) are configured to be arranged in at least two different positions with respect to the first and the third housing (3, 20).

Abstract: An air-inlet duct includes an outer wall, an inner wall, and a splitter. The splitter cooperates with the outer wall to establish a particle separator which separates particles entrained in an inlet flow moving through the air-inlet duct to provide a clean flow of air to a compressor section of a gas turbine engine.

Abstract: A centrifugal fan with a permanent-magnet brush-less motor system is provided with a volute, an outer rotor motor installed in the volute through a bracket, and an impeller externally sleeved on the outer rotor motor and positioned in the volute. The impeller is connected with the outer rotor motor and consists of a volute board and side boards on two sides of the volute board. The volute board is formed with an opening at a part on the horizontal plane and a bridge arch-type radiator having radiating fins matched with the opening is installed at the opening. The centrifugal fan improves heat dissipation with load changes allowing the driver to operate at lower temperatures that improves operating efficiency and service life. The larger the load, the better the heat dissipation effect of the driver.

Abstract: Solutions for efficiently filtering air for a machine are disclosed. In one embodiment, a filter element for a filter assembly of a rotary machine is provided. The filter element includes: a first set of pleats, each pleat including a first tip radius and a first spacing; and a second set of pleats, each pleat including a second tip radius and a second spacing, wherein the first and second set of pleats are positioned upon a continuous filter media.

Abstract: A gas turbine engine blade containment system is disclosed. The blade containment system may include a generally cylindrical casing being made of a first material, and a generally cylindrical ring being made of a second material coaxially surrounding the casing, at least some portion of the ring metallurgically bonded to the casing.

Abstract: An engine component for a turbine engine includes a particle collector having a substrate configured to retain at least some particles from a particle-laden stream passing through a portion of the engine. A fluid bypass around the substrate of the collector enables the particle-laden stream to bypass the substrate if the substrate is filled with particles.

Abstract: An inlet particle separator system for a vehicle engine includes a hub section, a shroud section, and a splitter. The hub section has a hub outer surface that diverges, relative to the axis of symmetry, to a hub apex. The shroud section has a shroud inner surface that surrounds, and is spaced apart from, at least a portion of the hub section to define a main flow passageway between the hub outer surface and the shroud inner surface. The splitter is disposed downstream of the air inlet and extends into the main flow passageway to divide the main flow passageway into a scavenge flow path and an engine flow path. The hub section and the shroud section are configured such that the cross sectional flow area of the main flow passageway decreases downstream of the air inlet to define a throat section that is disposed upstream of the hub apex.

Abstract: A flow rectifier (1) for an axial fan (2), having a base body (3) which has rings (4a, 4b, 4c, 4d, 4e) delimited radially inside the outside by cylindrical surfaces (5, 6). Air guide vanes (7) which are distributed in the circumferential direction about a longitudinal axis (X-X) arranged in a generally radial manner and extend between the cylindrical surfaces (5, 6). The air guide vanes (7), in the circumferential direction, extend with a curvature (R1) relative to the axial direction (X-X) between an inflow-side vane edge (7a) and an outflow-side vane edge (7b). In order to minimize the divergence of airflow from the flow rectifier (1), two or more rings (4a, 4b, 4c, 4d, 4e) having air guide vanes (7) are provided in the base body (3).

Abstract: The present invention discloses a turbojet automobile, comprising an air storage bottle in a superhigh-pressure air producing and sealing device, wheels, a chassis, a lever braking device, a spray pipe, a turbine wheel and a turbine shaft. The superhigh-pressure air producing and sealing device comprises a frame, an air compressor arranged at an upper part of the frame, and the air storage bottle arranged at a lower part of the frame; a left part of the spray pipe is fixedly connected with a right part of the chassis; a bottle body is placed on the chassis; the turbine wheel and the turbine shaft are arranged in the spray pipe; the turbine shaft can drive the wheels to rotate together when rotating; and an air outlet pipe of the bottle body is connected with the spray pipe.

Abstract: The invention relates to an assembly comprising a turbine engine casing and a bladed rotor wheel arranged therein. The casing presents an inside wall having a circumferential strip of abradable material. Facing the tips of the blades, the casing presents upstream the strip of abradable material, and downstream a circumferential groove. The strip of abradable material is defined downstream by the circumferential groove. The downstream end of the circumferential groove is in register with or downstream from the trailing edges of the blades. This arrangement optimizes the use of abradable material in the casings of the turbine engines.

Abstract: A steel soft wall fan case assembly according to one embodiment configured with a thin-walled steel support structure shell including a plurality of annular axial walls of thin sheet metal reinforced by a plurality of rings interconnecting axially adjacent annular axial walls. The steel support structure shell is structurally integrated with honeycomb materials and an annular metallic inner wall. A fabric containment layer may be wrapped around one of the annular axial walls of the steel support structure shell.

Abstract: A turbo-molecular pump comprises: a case having a suction port and a flange; a rotor assembly housed inside the case, the rotor assembly having a shaft and a rotor integrated with the shaft with a fastening bolt, the rotor having a plurality of rotor blades formed thereon; a plurality of stator blades housed inside the case and arranged to face the rotor blades; and a plurality of spacers stacked along a peripheral surface of the case, the spacer fixing the stator blades. An anti-corrosion treatment is applied to a gas contacting section in a component that is provided on an evacuation upstream side with respect to an evacuation downstream side end of the first rotor blade from the evacuation upstream side and made of an alloy containing Fe or Cr.

Abstract: The invention relates to a cooling device for cooling of a switchgear cabinet, comprising an air inlet side for warm air and an air outlet side for cooled air, wherein a heat exchanger and at least one fan unit having a radial fan are located between the air inlet side and the air outlet side, and wherein the fan unit creates an air stream through the heat exchanger having a main flow direction between the air inlet side and the air outlet side, wherein the fan unit is located in the main flow direction behind the heat exchanger, characterized in that the fan unit comprises an air guide geometry, so that air exhausted from the radial fan is redirected into the main flow direction.

Abstract: The invention relates to a centrifugal pump, in particular a waste water submersible pump having an impeller (1), of which the end face facing the pump intake opening is open and only the end face of the impeller facing away from the intake opening (8) is covered by a circular coaxial impeller hub (2), on which the curved vanes (3, 4) are fastened, and in particular molded on, wherein the base plate (7) having the intake opening (8) facing the impeller (1) or at least one segment (7a) of the base plate is mounted so as to be movable against spring pressure (20) in such a way that the distance thereof from the impeller (1) and thus from the impeller vanes (3, 4) changes.

Abstract: A fan case for use in a gas turbine engine of an aircraft includes an outer shroud and a liner extending along the outer shroud. The fan case provides a protective band that blocks fan blades from being thrown out of the fan case in case of a blade-off event in which a fan blade is released during operation of the gas turbine engine.

Abstract: An air cycle machine (ACM) compressor housing includes a body including an exterior surface and an interior portion. An inlet is integrally formed with the body. The inlet includes an inlet passage fluidically connected with the interior portion. An outlet is integrally formed with the body. The outlet includes an outlet passage fluidically connected with the interior portion. A bypass is integrally formed with the body. The bypass includes a bypass passage fluidically connected with the interior portion. The bypass passage includes a first end portion extending outwardly from the body, a second end portion and an intermediate portion extending therebetween. The first end portion includes a wall thickness of between about 0.330-inch (8.382-mm) and 0.390-inch (9.906-mm).

Abstract: A method and apparatus for protecting downstream engine components from damage in the event of a turbine failure involves positioning a debris trap downstream of a turbo and upstream of an engine. The debris trap includes an outer body with an inlet opening at a first end of a first diameter, an outlet opening, and an interior of a second diameter which is larger than the inlet opening. An inner body extends into the interior of the outer body with air flow openings in the inner body communicating with the outlet opening. An impaction plate is supported by the inner body in axial alignment with the inlet opening. Turbo fragments strike and are slowed by impact with the impaction plate. The turbo fragments collect in the interior of the outer body with air escaping by entering the air flow openings of the inner body and passing to the outlet opening.

Abstract: A turbine of a gas turbine engine with a rotor and a stator forming a rim cavity, where the rotor includes a turbine rotor blade with a cooling air channel opening into the rim cavity, and a centrifugal impeller rotatably connected to the rotor in which the centrifugal impeller discharges pressurized cooling air into the rim cavity to improve the rim cavity seal and to supply pressurized cooling air to the rotor blade cooling air channel.

Abstract: An aquatic fan device for positioning under a water surface directs cooler water towards the water surface to cool an area for comfortable swimming. The device includes a tube and a line having a first end coupled to the tube such that the line supports the tube in a vertical position when the tube hangs from the line. The line extends from the tube wherein the line suspends the tube within a body of water under a surface of the body of water. A propeller is coupled to the tube and positioned within the tube between a top end and a bottom end of the tube. A submersible motor is coupled to and rotates the propeller such that the propeller is urges water upwardly through the tube towards the surface of the body of water.

Abstract: An aircraft engine guard, for protecting an aircraft engine against ingestion of large objects, includes a generally cone-shaped body, a base section of the rear end of the guard body and a dome section at the distal forward end of the guard body, at least three, vertical, peripherally extending walls located between the base and the dome section, with successive ones of the peripheral walls having different peripheral dimensions, peripherally cylindrical, with the dimension increasing from the base toward the dome section. A plurality of air intake openings are defined in and between the peripheral walls with at least one dimensional size which is small enough to prevent having birds from being able to pass through the guard into the aircraft engine.

Abstract: A separator for separating liquid droplets from an aerosol is provided, including a rotor arranged in a housing and including a plurality of parallel disks, a dirty gas inlet, a clean gas outlet, and an annular space between the rotor's circumference and the housing, wherein adjacent disks form an interspace therebetween, the radially outer area of the interspace opening into the annular space, and wherein one of the dirty gas inlet and the clean gas outlet communicates with the annular space and the other communicates with radially inner areas of the interspaces. The disks have flat disk bodies perpendicular to the rotor axis, and between adjacent disk bodies, there are a plurality of adjacent channels allowing passage of the gas to be cleaned. Each channel is curved and the radially outer channel wall forms an impaction and separation surface for the liquid droplets.

Abstract: A light and fan assembly has a generally tubular housing that has a turbine fan located on one end, the fan discharging a stream of air therefrom, and a light located on the opposing end, the light discharging a light beam therefrom in opposite direction to the direction of the air stream. A clip clips the housing to an appropriate surface such as a hat brim. A monocular is attached to the housing. Alternately, the fan can be held within an assembly that is pivotally attached to a lower surface of the housing.

Abstract: The invention discloses a fan housing with encircling rings, comprising a front housing and a rear housing, wherein the front and rear housings are respectively provided with a circular encircling ring which is used for mutual fixing; multiple protruding ends are provided on the inner wall of the front encircling ring, while multiple slots are correspondingly provided on the outer wall of the rear encircling ring, so that the front and rear housings can be fastened together through match of the protruding ends and the slots; the front housing is provided with a handling cover; a fixing device, which comprises a draw bar, a spring and a pressing plate, is provided at one slot of the rear encircling ring.

Abstract: A filter frame is removably attachable to a box fan. The filter frame is adapted for receiving a standard HVAC-style filter for removing contaminants from air flow induced by the fan. In this manner, a cost-effective means for filtering a flow of air is provided for residential and commercial settings. The filter frame is adaptable to a variety of standard box fan types of different styles and dimensions. The frame is configured to accommodate standard filters, such as those readily available from retail hardware stores and home centers.

Abstract: The invention relates to a turbine of a power plant, having a stator, which has a housing and in the housing at least one stator blade carrier comprising stator blades. A rotor is provided which has a rotor shaft having rotor blades. At least one sealing device is provided which axially seals the respective stator blade carrier with respect to the housing and separates two regions having different pressures from one another. Improved sealing action is achieved in that the sealing device includes an axially acting primary sealing ring extending in the circumferential direction, and an axially acting additional sealing ring extending in the circumferential direction. The primary sealing ring facing the region has the lower pressure. The additional sealing ring facing the region has the higher pressure. The primary sealing ring is attached axially rigidly on the stator blade carrier.

Abstract: A power tool that includes a motor sub-assembly, one or more batteries, and a cooling fan. The motor sub-assembly includes a motor and a motor fan. The one or more batteries are configured to provide power to the motor. The cooling fan is disposed vertically above the motor sub-assembly and the one or more batteries during operation of the power tool, where the cooling fan is configured to draw air in an upwards direction through the cooling fan, thereby dissipating heat from the motor and/or the one or more batteries, and where the upwards direction is the same a free convection direction associated with a density difference between hot air radiating from the motor and/or one or more batteries and surrounding cooler air.

Abstract: A downhole vibration tool for connection with a pipe string, including a housing, an unbalanced turbine assembly contained within the housing, an inlet for introducing a fluid into the unbalanced turbine assembly, and an outlet for discharging the fluid from the unbalanced turbine assembly. The unbalanced turbine assembly includes a sleeve and at least one annular turbine which is located in an annular bore defined between the housing and the sleeve.

Abstract: An abrasive handling submersible pump assembly diffuser is described. An electric submersible pump assembly stage comprises a rotatable impeller, and a co-axially mounted diffuser comprising a diffuser bowl, the diffuser bowl comprising a plurality of diffuser bowl wedges having a blunted pie-shape, each of the plurality of diffuser bowl wedges protruding axially from a diffuser bowl floor into a cavity between the rotatable impeller and the co-axially mounted diffuser such that each of the plurality of diffuser bowl wedges protrudes into a path of pumped solid-laden fluid, wherein the blunted pie-shaped wedges extend radially between an inner wall and an outer wall of the diffuser bowl and a thickness of the blunted pie-shaped wedges in a circumferential direction increases towards the outer wall.

Abstract: The disclosure discloses a rapidly assembling/disassembling device including a fixing frame, partitions, pushing brackets, and a fastening member. The fixing frame includes a first side plate and a second side plate. Fan modules are sequentially arranged between the first and second side plates. The second side plate abuts against a second side of the adjacent fan module. Each of the partitions abuts against the second side of the corresponding fan module. Each of the pushing brackets is pivotally connected in the fixing frame. Each of the pushing brackets includes a pushing arm. The fastening member is disposed on the first side plate. When the fastening member pushes the adjacent pushing bracket to abut against a first side of the adjacent fan module, each of the other pushing brackets is pushed by the corresponding pushing arm to abut against the first side of the corresponding fan module.

Abstract: An exemplary housing of a cooling fan includes a metallic base plate and a plastic bear seat. Clasps extend upwardly from the base plate. The bear seat is formed on the base plate via injection process. A bottom end of the bear seat directly contacts the base plate. The clasps are embedded in the bear seat.

Abstract: An integrated fan includes a centrifugal blade unit and a frame. The centrifugal blade unit has a hub. The frame is used for accommodating the centrifugal blade unit. The frame includes a first casing, a second casing and at least one airflow-guiding plate. The first casing includes a main plate and an airflow inlet, wherein the airflow inlet is disposed in the main plate and aligned with the hub. The second casing is opposed to the main plate of the first casing. The at least one airflow-guiding plate is aslant and externally extended from an edge of the main plate. The airflow-guiding plate, the first casing and the second casing collectively define an airflow output channel. An included angle between an airflow-leaving direction of the airflow output channel and an airflow-entering direction of the airflow inlet is ranged between 90 and 180 degrees.

Abstract: In various implementations, a fan system may include a housing and a fan. The fan may reside in an orifice of the housing. The fan system may include a grate disposed proximate a top surface and an ice deflector. The ice deflector may inhibit ice formation on portions of the housing, orifice, and/or fan residing in the orifice.

Abstract: In various implementations, a fan system may include a housing and a fan. The fan may reside in an orifice of the housing. The fan system may include a grate disposed proximate a top surface and an ice deflector. The ice deflector may inhibit ice formation on portions of the housing, orifice, and/or fan residing in the orifice.

Abstract: A system for extracting foreign matter in a gas turbine includes multiple variable bleed valve (VBV) doors disposed on the outer engine casing between a low pressure compressor and a high pressure compressor for bleeding a portion of flow from a core engine flow path into a bypass flow path. The system includes an outlet guide vane (OGV) assembly having multiple guide vanes disposed within the core flow path and multiple support struts positioned downstream from the multiple guide vanes. Each pairs of adjacent support struts comprises at least one VBV door therebetween and a section of the OGV assembly located at an upstream side of the fan hub frame before the each pairs of adjacent support struts. Each section of the OGV assembly includes a first side with one or more guide vanes with trimmed trailing edges configured for directing flow into the at least one VBV door.

Abstract: An energy efficient climate control system for an offshore wind turbine that is integrated with the component cooling system is disclosed. The climate control system includes a cooling circuit adapted to carry heat generated by a component of the nacelle to outside the nacelle. The climate control system also includes an airflow system adapted to receive a warm outflow of coolant from the cooling circuit, across a variable flow control valve, the airflow system supplying clean ambient air to the nacelle at a predetermined relative humidity. The variable flow control valve regulates a flow rate of the coolant through the airflow system to adjust the relative humidity of the air entering the nacelle.

Abstract: The present invention relates to a compact fan, comprising a fan wheel, in particular a radial fan wheel (1), which is fastened on a rotor of an external rotor motor (82). The fan wheel (1) is supported between a front plate (8) having an air inlet opening (9), which is central, and a motor mount (11). The front plate (8) and the motor mount (11) are connected to one another via multiple spacers (12), which are disposed around the circumference. The front plate (8) and the motor mount (11) are formed as plastic or metal spray parts. The spacers (12) are formed as plastic or metal parts entirely or partially in one piece to the front plate (8) and/or the motor mount (11).

Abstract: A wheel shaped novelty fan is provided with an annular frame; a blade assembly disposed in the annular frame; an electric motor mounted in a central portion of the blade assembly for rotating the blade assembly; a plurality of sections releasably secured to an outer edge of the annular frame; a louvered device rotatably mounted on the motor; a front grill secured to the louvered device; and a rear grill secured to a rear surface of the annular frame.