Abstract: A transmission cooling assembly of a helicopter includes: a transmission including a speed change structure that changes the speed of rotation produced by rotational power input from a prime mover and outputs the resulting rotational power and a housing accommodating the speed change structure; a cowl covering at least a part of an outer surface of the housing, with a gap defined between the cowl and the outer surface; and a flow structure that allows external air to flow through the gap.

Abstract: An outdoor unit includes a housing having a front surface formed with an outlet and a back surface facing the front surface, an airflow flowing through the outlet; a substrate horizontally placed in the housing, an electric component being mounted on the substrate; and a heat dissipator including a plurality of fins, each of the fins having a heat dissipation surface, the heat dissipator dissipating, due to the airflow, heat generated by the electric component. The heat dissipation surface of each of the fins is parallel to the back surface or is angled at greater than 0 degrees and less than 90 degrees relative to the back surface in top view.

Abstract: A fan includes an annular frame, a rail assembly, a driving member and blades. The blades are connected to the driving member. The driving member is electromagnetically movable along the maglev assembly that extends along an edge of the annular frame. The driving member does not contact the annular frame or the maglev assembly so that when the fan is used, the maglev assembly is energized to generate an electromagnetic force between the maglev assembly and the driving member to move the driving member along the edge of the annular frame to drive the blades to rotate. Therefore, the blades can be rotated without having to use any motor behind the annular frame, thereby reducing the volume of the fan.

Abstract: In one instance, a cooling unit for use as an aspect of a cooling system includes a cabinet having a plurality of panels and having an interior, a front face with a fan aperture formed in the front face, and a bottom panel. The cooling unit further includes a drain pan below the bottom panel. The cooling unit also includes a plurality of guide-rail slide and track assemblies coupled between at least a portion of the cabinet and the drain pan for providing controlled movement of the drain pan between an operational position and a maintenance position. Other cooling units are disclosed with drain pans that may be lowered by a single technician.

Abstract: A layered diffuser-channel heat exchanger may comprise a plurality of fluid channel layers and a plurality of diffuser fin layers interleaved with the plurality of fluid channel layers. Each fluid channel layer of the plurality of fluid channel layers may have a first surface, a second surface opposite the first surface, and a fluid channel located between the first surface and the second surface.

Abstract: A liquid-cooling radiator includes liquid pipes, heat-dissipating fins arranged on the liquid pipes, two reservoirs, a liquid-collecting box, a liquid pump, and a heat-dissipating base. The two reservoirs are mounted to two ends of the liquid pipes, respectively. The reservoir at one end is partitioned into a first cold liquid reservoir and a second cold liquid reservoir, and the reservoir at the other end is partitioned into a first hot liquid reservoir and a second hot liquid reservoir, thereby forming a bilateral circulation.

Abstract: A duct body (101) of a blowing device provided in a chassis dynamometer includes a bottom wall (31), a top wall (32) and a pair of side walls (33) that form a flow passage having a rectangular cross section. In each of the side wall (33), a vertically elongated window part (42) is formed for enabling the passage of vehicle restraint member such as a chain (5). Each window part (42) is closed through the tiled arrangement of a few cover plates (53, 54), and a chain plate set (100). The chain plate set (100) is formed through the sandwiching of an elastic sheet member (61, 62) having a restraint member through hole (63) and a slit (64) between an inner plate (51) and an outer plate (52) each having an opening part (57, 58).

Abstract: A mobile device case is described. The mobile device case includes a housing configured to retain a mobile device and an active cooling system integrated into the housing. The active cooling system configured to use vibrational motion to cool a surface of the mobile device.

Abstract: An embodiment discloses an electronic component package comprising: a housing including a flow path arranged on one surface thereof; and an inlet and an outlet arranged on the housing, wherein the flow path includes a first area connected with the inlet and a second area connected with the outlet, the first area includes a guide, and the guide includes an area of which the width gradually widens from the inlet.

Abstract: A fan cowling assembly for mounting to a working machine, the fan cowling assembly including: a support for mounting to a working machine, the support defining an opening for receiving a plurality of rotatable blades of a fan, in use; a fan ring mounted to the support by a ring mounting arrangement, the fan ring being arranged to surround the plurality of rotatable blades, in use; wherein the ring mounting arrangement is configured such that the fan ring is moveable relative to the support when mounted thereto.

Abstract: Example containers are provided to retain and cool electronic devices in environments where power and/or coolant (e.g., airflow) is limited or finite. In examples, a container can include a housing and a conduit system. The housing can include a plurality of sides including a front side and a back side, and can be structured to retain at least a first computing device. In addition, the housing can provide for a first and second inlet opening and a first and second outlet opening on the back side of the container. The conduit system can be provided within the housing to guide the airflow received from each of the first and second outlet openings through an interior volume of the container to cause the airflow to exit from each of the first and second outlet openings.

Abstract: The present disclosure provides a motor structure including a winding set, a rotor and a motor base. The rotor is driven by the winding set. The motor base includes a central portion, a surrounding portion and at least one connecting element. The central portion is configured to dispose the winding set thereon. The surrounding portion is disposed around the central portion. The connecting element is deformable and connected between the central portion and the surrounding portion. The connecting element includes a first supporting part, a second supporting part and a deformation part. The first supporting part and the second supporting part are connected with the central portion and the surrounding portion, respectively, and the deformation part is connected therebetween. The hardnesses of the first supporting part and the second supporting part are greater than or equal to those of the central portion and the surrounding portion, respectively.

Abstract: A heat spreader is disclosed with regions where material is absent to reduce the mass/weight of the heat spreader without substantially reducing the temperature of the semiconductor chip and without substantially affecting the warpage and mechanical stress/strain in the electronic package.

Abstract: A telescopic fan cage includes a main frame and a side frame which are slidably connected with each other to form a fan installation space. The side frame is capable of sliding toward the main frame to shrink the fan installation space, or sliding away relative to the main frame to expand the fan installation space. An apparatus case includes a casing and the telescopic fan cage. The telescopic fan cage is detachably disposed in the casing. Therein, the side frame is capable of sliding toward the main frame to shrink the fan installation space, so that the telescopic fan cage is at a transit state for moving in or out the casing; the side frame is capable of sliding away relative to the main frame to expand the fan installation space, so that the telescopic fan cage is at an installation state for being fixed in the casing.

Abstract: A vehicle power conversion device includes: a housing configured to accommodate an electronic component therein and having an opening; and a cooling device. The cooling device includes a base being a plate-shaped member and heat sinks attached to the base. The base has a groove with refrigerant enclosed. The base has a first main surface to which the electronic component is to be attached, and covers the opening by the first main surface facing an interior of the housing. The heat sinks are joined, at intervals, onto the second main surface of the base.

Abstract: An inflator with an air guiding sleeve includes a chassis, a core and a drive motor installed in the chassis, an air guiding sleeve and a cooling fan. The air guiding sleeve has an air guiding hole penetrating through the air guiding sleeve. The drive motor includes a main body and a shaft rotatably installed to the main body, and the shaft has an end protruded from the main body and provided for driving the core to move and the other end protruded from the main body and provided for connecting the cooling fan. The air guiding sleeve includes a positioning shell and an air guiding ring connected to the positioning shell, and the positioning shell is installed to the chassis and/or the drive motor, and the air guiding ring is sheathed onto the external side of the cooling fan and installed around the cooling fan.

Abstract: A liquid-cooling heat dissipation apparatus includes a water distribution box, a water collection box, a first radiating pipe, a second radiating pipe, a third radiating pipe, a fourth radiating pipe, and a pumping device. The channels in the liquid-cooling heat dissipation apparatus are connected in sequence to form a circuitous configuration. This allows the water to travel a longer distance in the liquid-cooling heat dissipation apparatus, so that the liquid-cooling heat dissipation apparatus can effectively cool the water and dissipate heat.

Abstract: An air conditioner includes a housing comprising an external panel defining an external appearance and having an opening formed at the external panel; a heat exchanger configured to exchange heat with air flowing into the housing; and an air discharge unit configured to discharge air heat-exchanged by the heat exchanger out of the housing. The air discharge unit includes a first discharge unit connected to the opening and discharging air; and a second discharge unit provided at the external panel and discharging air. A method of blowing heat-exchanged air may be changed in accordance with an environment of a user.

Abstract: This cooling module (14A) comprises: an assembly of one or more Peltier cells comprising, on the inside, an internal heat transmission face and, on the outside, an external heat transmission face; an internal heat sink (46A) and an external heat sink (48A), which are in thermal contact, respectively, with the internal heat transmission face and the external heat transmission face; and at least one internal fan (50A) and at least one external fan (54A), which are respectively suitable to circulate an internal air flow through the internal heat sink (46A) and an external air flow through the external heat sink (48A).

Abstract: A heat dissipation fin structure includes a plurality of fins provided on a surface of a fin base plate. The fins configure a plurality of flow passages in which cooling air that enters from an inlet passes. The fins include a first fin, and an end portion of the first fin on an inlet side is arranged in an intermediate part of a first flow passage that is formed between a pair of the fins. The first flow passage is divided by the first fin into a second flow passage and a third flow passage. An interval between the pair of fins is wider on an outlet side than the inlet side. A sectional area of the first flow passage is substantially equal to a sum of sectional areas of the second flow passage and the third flow passage.

Abstract: A heat dissipation assembly includes a bottom plate, an outer cover, a heat guiding base, a flow-acceleration unit and two side cover sets. The bottom loads a heat-generating source. The outer cover includes a cover body and two slots. The cover body covers the bottom plate to define an accommodation space therebetween, and the slots are oppositely formed on the cover body and connected to the accommodation space. The heat guiding base thermally contacts the heat-generating source and the cover body, and is formed with voids arranged alongside, each of the voids is communication with the slots respectively. The side cover sets are disposed within the slots, respectively, and detachably connected to the cover body and the heat guiding base. The flow-acceleration unit is disposed in one of the side cover sets to lead a fluid to the other through the voids.

Abstract: A work vehicle includes an engine, a compressor used to compress an air toward the engine, a charge air cooler, a sensor, and a control unit. The charge air cooler comprising or coupled to a fan. The fan can rotate in a first direction to remove a heat of the air and to rotate in a second direction reverse to the first direction so as to blow a debris. The control unit is electrically coupled to the engine and to the fan. The control unit predicts whether a temperature of the air exceeds a threshold based on a signal received from the sensor. When the temperature of the air is below the threshold, the fan can rotate in the second direction. When the temperature of the air is equal to or above the threshold, the fan is inhibited from rotating in the second direction.

Abstract: Core-coil devices operate by electromagnetic induction and include inductors, transformers, and electromagnets. Cooled core-coil devices include a magnetic core having a channel through it, and a coil wound around the core. Cooled core-coil devices additionally include a coolant loop that carries ferrofluid coolant through the channel and forms a loop with the channel that extends outside the core. Ferrofluid coolant circulates in the loop without a pump due to a thermo-magnetic response to the device's thermal and magnetic field gradients and thereby cools the core while simultaneously adding to the device's inductance.

Abstract: A heat dissipation device which is effectively vibration-free in relation to its host includes a fan, an enclosure, and a mounting apparatus. The mounting apparatus includes a receiving bracket for receiving the fan, a locking member, and a vibration-absorbing member slidably mounted to the enclosure. The receiving bracket has a locating member corresponding to the locating slot. The locating member is locked, and the vibration absorbing member abuts against a side of the receiving bracket, receiving and not transmitting the vibrations of a cooling fan.

Abstract: An outdoor unit for an air conditioning device includes a heat exchanger including (i) heat transfer tubes arranged with a space therebetween and each having one end connected to a refrigerant tube, and (ii) fins extending from the heat transfer tubes; first and second protective members each having (i) a flat plate that covers a respective end portion of the heat transfer tubes and an endmost fin that is located nearest the end portions of the heat transfer tubes, and (ii) a protrusion that protrudes from the flat plate toward the space between the heat transfer tubes near the end portions of the heat transfer tubes; first and second cover members that cover a respective flat plate; and a housing having an inner wall abutting the first cover member and an inner wall abutting the second cover member.

Abstract: A case suitable for solid state memory is described that offers enhanced cooling. In one example, a memory case includes a base, a cover having a plurality of fins on a top of the cover, channels between the fins, defined by the fins, and a ramp extending from a front on the top of the cover to the channels, and an inner cavity defined by the base and the cover to house a solid state memory.

Abstract: A fan motor support includes a rightward-and-leftward direction guide piece which projects in a direction of approaching a fan motor from a lower intermediate transverse plate or an upper intermediate transverse plate extending across a pair of support columns in a rightward-and-leftward direction at a position above or below the fan motor in a vertical direction at a distance apart from the fan motor. The rightward-and leftward direction guide piece is formed to be opened in a direction opposite to a machine chamber in a rightward-and-leftward direction and recessed toward the machine chamber. A rightward-and-leftward direction guide groove which is configured to change a wiring path of the lead wire of the fan motor hooked thereto to a direction toward the machine chamber from the upward-and-downward direction.

Abstract: An electronic apparatus that is capable of cooling heat sources efficiently by taking in outside air through intake ports effectively while reducing the number of components. The electronic apparatus obtains an image signal corresponding to an optical image formed through an image pickup lens. A first heat generating element is implemented in a first substrate. A second heat generating element is implemented in a second substrate. A first duct is connected to the first heat generating element at a position nearer to an exhaust port formed in a housing of the electronic apparatus than a first blower that sends air to the first duct. A second duct is connected to the second heat generating element at a position nearer to the exhaust port than a second blower that sends air to the second duct.

Abstract: A refrigerator, including a sealed refrigeration system, is provided herein. The sealed refrigeration system may include a compressor, a phase separator, and a rotatable heat exchanger. The compressor may compress a refrigerant fluid through the sealed refrigeration system. The phase separator may be in fluid communication with the compressor. The phase separator may include a separator body defining an inner face and an outer face. The inner face may define a refrigerant cavity within the phase separator body. The outer face may be directed away from the refrigerant cavity opposite the inner face. The rotatable heat exchanger may include a thermally conductive body defining a dynamic shear surface directed toward the outer face of the separator body. Moreover, a set fluid gap may be defined between the dynamic shear surface and the outer face.

Abstract: Air conditioner units and methods for operating air conditioner units are provided. A method includes determining a steady state speed of a blower fan of the air conditioner unit. The method further includes receiving a call for heating and activating the blower fan in response to the call for heating. The method further includes measuring a speed of the blower fan after activating the blower fan and comparing the measured speed of the blower fan to the steady state speed of the blower fan. When the measured speed of the blower fan is greater than the steady state speed of the blower fan, the method includes disabling one of a plurality of heater banks of a heating unit of the air conditioner unit.

Abstract: An extruded housing for an electric motor comprises: an extruded cylindrical body for holding electrical parts of the motor, extruded axial fins formed about the outside of the cylindrical body, and radial cuts machined through the axial fins.

Abstract: A fan shroud of a motor vehicle has a shroud body which comprises a round airflow opening for a fan impeller. The fan shroud additionally includes a motor mount which is arranged above the airflow opening and is attached by means of a strut to a fastening dome. The fastening dome is attached to the shroud body and is oriented perpendicularly to said shroud body. The radially outer end of the fastening dome, with reference to the airflow opening, is at a varying distance from the mid-point of the airflow opening. This disclosure additionally relates to a cooler fan of a motor vehicle.

Abstract: An imaging device includes LED elements disposed on a first surface of a board to be electrically connected to first and second wiring patterns, and emitting illumination light in an imaging direction of a camera. A first heat dissipation member and second heat dissipation members are mounted onto opposite sides of the board. The first heat dissipation member is disposed opposite to the first surface. Each of the second heat dissipation members is disposed opposite to a second surface in a region including an area opposite to the LED elements via the board.

Abstract: A cooling device comprises a frame and a heat radiating portion. The frame is mounted on a substrate, and includes a convex portion for cooling the substrate. The heat radiating portion is mounted on the frame at a position associated with a heating component located on the substrate. The convex portion assists positioning where the heat radiating portion is mounted.

Abstract: A bottom frame (50) which constitutes a bottom surface of a casing (40) is divided into a main bottom frame (51) where a first compressor (11) is to be provided and a sub bottom frame (55) where a second compressor (21) is to be provided. The main bottom frame (51) is further divided into a first bottom frame (52) and a second bottom frame (53). The first compressor (11) is to be provided on the first bottom frame (52). A refrigerant circuit component (47) to be replaced or added in accordance with a capability or a function is to be provided on the second bottom frame (53).

Abstract: An information handling system includes a base cover, an exhaust port, a hinge knuckle, and an airfoil. The exhaust port is positioned above the base cover. The hinge knuckle is coupled to the base cover, and diverts airflow from the exhaust port. The airfoil is mounted on the base cover between the exhaust port and the hinge knuckle, and inclines up from the base cover and away from the exhaust port.

Abstract: A method of initiating a low-energy cooling mode using a controller of an HVAC system includes measuring a temperature of ambient air proximal to a condenser coil and determining whether the temperature of the ambient air proximal the condenser coil is less than a temperature threshold. If the temperature of the ambient air is less than the temperature threshold, the HVAC system is configured to operate in a low-energy cooling mode. In the low-energy cooling mode, the controller opens a first bypass valve to allow a refrigerant to bypass a compressor and the compressor is powered off. The HVAC system is operated until a cooling demand has been met.

Abstract: A heat dissipation apparatus, including a base plate, a guide fin group, and a heat dissipation fin group, where the guide fin group is formed on a surface of the base plate, the guide fin group is disposed with at least two guide fins that are disposed at an interval, and the at least two guide fins extend along a surface of the base plate from an edge of the base plate, and a flow path for flowing of an airflow is formed between two adjacent guide fins, and the heat dissipation fin group includes at least one heat dissipation fin, where the at least one heat dissipation fin is fixedly connected to the top of the at least two guide fins to dissipate heat of the at least two guide fins. The heat dissipation apparatus further includes, guide fins and a stopper fin.

Abstract: Disclosed examples include enclosures with segregated or divided cooling paths and improved arc flash resistance. In one example, a TYPE 12, 50 DEGREE C. ambient common bus power conversion enclosure design provides enhanced arc flash protection & segregated cooling for high reliability of imbedded electronics. Example enclosures and systems can be used in association with AC/DC converters for motor drives or motor control centers, and/or for electroplating or painting systems with modular anode control (MAC) systems to implement an anodic DC electroplating for workpieces and other end use applications.

Abstract: An air baffle may include a body portion having a length and a height, as well as a plurality of folding lines arranged along the length of the air baffle. The folding lines may be substantially parallel to one another and directed along a direction of the height of the body portion. The air baffle may also include mounting features for mounting to a chassis of an information handling system. Based on a configuration of the plurality of folding lines, the air baffle may be mountable in a chassis of an information handling system to direct airflow within the chassis.

Abstract: A fan apparatus comprises a stator unit, a rotor unit comprising an impeller, and a casing that houses the stator unit and the rotor unit. The casing comprise a side wall portion that surrounds a periphery of the impeller, a base portion that holds the stator unit and the rotor unit, and a plurality of connection portions that connect the side wall portion and the base portion. The casing is formed by at least two members including a first member and a second member coupled to the first member. The first member includes at least one of the connection portions and at least part of the base portion, and the second member includes at least one of the connection portions.

Abstract: A sensor assembly includes an elongated tubular beam, a chamber positioned to receive air from the beam, and a sensor thermally connected to the chamber. The chamber has a plurality of outlet holes. A plurality of fins may be disposed in the beam and/or the chamber. The sensor may be supported by the beam.

Abstract: A casing has a wall portion surrounding an impeller, as seen in an axial direction of a rotating shaft. The wall portion of the casing has a portion, and a portion located further away from a center of rotation of the rotating shaft than the portion, as seen in the axial direction. A curved portion has a curved surface portion located on a line connecting the center of rotation and the portion, and a curved surface portion located on a line connecting the center of rotation and the portion, as seen in the axial direction. A radius of curvature of the curved surface portion is greater than a radius of curvature of the curved surface portion.

Abstract: Components installed on a topside of printed circuit board (PCB), such as a motherboard, are provided airflow cooling by a plurality of cooling fans located on a proximal end of the PCB. A hardware component is installed on the topside of a distal end of the PCB, furthest from the cooling fans. The hardware component includes cooling elements that extend to the underside of the PCB. Cooling the hardware component is complicated by the distance from the cooling fans and the cooling elements that extend below the PCB. A plenum extending from the proximal end of the PCB towards the distal end of the PCB is installed on the underside of the PCB. The plenum draws airflow from the cooling fans and delivers the airflow to the hardware component along the underside of the PCB, thus avoiding heating by the components on the topside of the PCB.

Abstract: Examples described herein include socket covers with air impeding structures. In some examples, a processing unit socket cover comprises a base, an air impeding structure, and an engagement latch. The base may have a surface facing away from the socket and a perimeter defined by the surface. The air impeding structure may protrude from the surface and extend from a first side of the perimeter to a second side of the perimeter, diving the surface. The engagement latch may be connected to the air impeding structure to attach to the socket.

Abstract: Disclosed is a dehumidifier, including a main body (300) and a front panel (200); a compressor is arranged in the main body (300), and is positioned at the bottom of the main body (300), the front panel (200) is arranged on the outside of the main body (300); the dehumidifier further comprises a lower seal panel (100) for shielding the compressor; the lower seal panel (100) is disposed on the main body (300) and positioned between the front panel (200) and the compressor.

Abstract: There is provided an electric device having such a structure that members are moved by a driving force of an electric motor. The electric device comprises: an electric motor; a driving member which receives a driving force from the electric motor to advance and retreat; a moving member pressed by the driving member to move; a stopper which restricts a moving range of the moving member; and a cushioning mechanism located on a pressing part of the driving member against the moving member or a pressure-receiving part of the moving member pressed by the pressing part configured to transmit a pressing force of the driving member to move the moving member before the movement of the moving member is restricted by the stopper, and to absorb the pressing force of the driving member after the movement of the moving member is restricted by the stopper.

Abstract: A heat sink assembly and a fan and a fan module thereof, the heat sink assembly includes a heat sink (1), a heat sink rack and a fan module. The fan module includes a fan rack (3) and a fan (4). The heat sink rack is installed on the heat sink (1). The heat sink rack includes a first sliding portion (200), and the fan rack (3) or the fan (4) includes a second sliding portion (31). The first sliding portion (31) is configured corresponding to the first sliding portion (200) with a slidable cooperation in order to allow the fan rack (3) or the fan (4) to use the cooperation between the first sliding portion (200) and the second sliding portion (31) to slide in a predefined direction.

Abstract: Example implementations relate to a fan guard device. One example fan guard device includes a frame to receive a fan. The example fan guard device includes a plurality of snaps extending in a first direction from the frame. The snaps engage the fan. The fan guard device includes at least one flexible member extending in the first direction from the frame to engage a flange of the fan. The flexible member may compress and remain in contact with the flange. The amount of compression of the at least one flexible member may accommodate a range of flange thicknesses of the fan.

Abstract: An air conditioning indoor unit includes a body, a panel, and a horizontal flap. The body is provided with an air outlet. The panel is positioned to cover the front of the body. The horizontal flap is able to vary the air direction of conditioned air blown out from the air outlet. A recess recessed toward the back side of the air conditioning indoor unit is disposed between an upper edge of an open peripheral edge of the air outlet and a lower end of the panel. During non-operation, the recess and the air outlet are covered by the horizontal flap.