Abstract: A motorized roller shade is provided. The motorized roller shade includes a shade tube in which a motor unit, a controller unit and a power supply unit are disposed. The controller unit includes a controller to control the motor. The power supply unit includes at least one bearing rotatably coupled to a support shaft. The motor unit includes at least one bearing, rotatably coupled to another support shaft, a DC gear motor and a counterbalancing device. The output shaft of the DC gear motor is coupled to the support shaft such that the output shaft and the support shaft do not rotate when the support shaft is attached to a mounting bracket.

Abstract: The invention provides a mounting system for holding one or more affinity displays upon a window in an exceptionally stable manner. The apparatus comprises a drape that is capable of being wrapped around the edge or frame edge of a window, and the drape is also attached to a plurality of surface mounting components. The drape is further linked to the affinity display.

Abstract: This technology relates to a method of sizing paper through the use of an aqueous solution of ketene dimer and vinylamine-containing polymers. It also relates to the stability of the ketene dimer/polyvinylamine solution.

Abstract: A system and method for continuous casting. The system includes a melt chamber, a withdrawal chamber, and a secondary chamber therebetween. The melt chamber can maintain a melting pressure and the withdrawal chamber can attain atmospheric pressure. The secondary chamber can include regions that can be adjusted to different pressures. During continuous casting operations, the first region adjacent to the melt chamber can be adjusted to a pressure that is at least slightly greater than the melting pressure; the pressure in subsequent regions can be sequentially decreased and then sequentially increased. The pressure in the final region can be at least slightly greater than atmospheric pressure. The differential pressures can form a dynamic airlock between the melt chamber and the withdrawal chamber, which can prevent infiltration of the melt chamber by non-inert gas in the atmosphere, and thus can prevent contamination of reactive materials in the melt chamber.

Abstract: Various embodiments provide systems and methods for casting amorphous alloys. Exemplary casting system may include an insertable and rotatable vessel configured in a non-movable induction heating structure for melting amorphous alloys to form molten materials in the vessel. While the molten materials remain heated, the vessel may be rotated to pour the molten materials into a casting device for casting them into articles.

Abstract: A packaging substrate includes a first dielectric layer; a plurality of first conductive pads embedded in and exposed from a first surface of the first dielectric layer; a first circuit layer embedded in and exposed from a second surface of the first dielectric layer; a plurality of first metal bumps disposed in the first dielectric layer, each of the first metal bumps having a first end embedded in the first circuit layer and a second end opposing the first end and disposed on one of the first conductive pads, a conductive seedlayer being disposed between the first circuit layer and the first dielectric layer and between the first circuit layer and the first metal bump; a built-up structure disposed on the first circuit layer and the first dielectric layer; and a plurality of second conductive pads disposed on the built-up structure. The packaging substrate has an over-warpage problem improved.

Abstract: An LED heat sink and a manufacturing method thereof are disclosed. The LED heat sink includes a main body having a heat receiving section and an extended heat transfer section. The heat transfer section is externally provided with a plurality of receiving grooves for correspondingly connecting with a plurality of radiating fins. The LED heat sink manufacturing method includes the steps of molding a main body using a half-molten metal material and cooling the main body, so that the cooled main body is connected with a plurality of radiating fins to form an integral unit. With the LED heat sink manufacturing method, it is able to manufacture an LED heat sink having a relatively complicated radiating fin structure or being formed of two or more types of materials, and to largely reduce the time, labor and material costs of the LED heat sink.

Abstract: Described herein is a method of melting a bulk metallic glass (BMG) feedstock, comprising: feeding the BMG feedstock into a crucible; melting a first portion of the BMG feedstock to form molten BMG, while maintaining a second portion of the BMG feedstock solid; wherein the second portion and the crucible hold the molten BMG.

Abstract: Described herein is a device comprising a crucible, a movable base and a heater; wherein the heater is configured to melt BMG to form molten BMG feedstock in the crucible; wherein the movable base configured to slide along a length of the crucible; wherein the movable base and the crucible are configured to hold the molten BMG feedstock.

Abstract: Described herein is a method of melting a bulk metallic glass (BMG) feedstock, comprising: heating at least a portion of the BMG feedstock to temperatures slightly below a solidus temperature of the BMG, wherein the portion remains a solid at the temperatures slightly below the solidus temperature and wherein a temperature distribution of the portion is essentially uniform; heating the portion of the BMG feedstock to temperatures above a liquidus point.

Abstract: Various embodiments provide apparatus and methods for injection molding. In one embodiment, a constraining plunger may be configured in-line with an injection plunger to transfer a molten material from a melt zone and into a mold. The constraining and injection plungers are configured to constrain the molten material there-between while moving. The constrained molten material can be controlled to have an optimum surface area to volume ratio to provide minimized heat loss during the injection molding process. The system can be configured in a longitudinal direction (e.g., horizontally) for movement between the melt zone and mold along a longitudinal axis. A molded bulk amorphous object can be ejected from the mold.

Abstract: A cooling system for a motor vehicle or for an internal combustion engine includes: at least one heat exchanger, having an inlet and an outlet for a medium to be cooled and an inlet and an outlet for coolant air; at least one fan connected upstream of the heat exchanger; and a connection channel, which is arranged between the fan and heat exchanger, for conveying coolant air to the heat exchanger. A branch line is connected to the connection line or between the individual heat exchangers and removes a partial flow of the coolant air therefrom. The combustion air supplied to the engine is filtered. A Venturi nozzle is connected in the branch line and a suction line is connected to a constriction of the Venturi nozzle and suctions out the filtered particles of the air filter.

Abstract: A heating and cooling system for a building having a passive source of heat energy, a heat sink reservoir to store heat energy in, and a first heat exchange system operating a temperature of 15 degrees Celsius or less and being operatively connected to said reservoir. There is a second heat exchange system operating at a temperature of above 15 degrees Celsius which is also operatively connected to the heat sink reservoir and a thermal mass wall which is connected to the heat exchanger systems. In one aspect, the invention provides a dynamic wall having a first insulating layer on an interior surface of the wall, a thermal mass adjacent to the first insulating layer, a second insulating layer on an outside surface of the thermal mass and a heat exchanger operatively connected to said thermal mass to add or subtract heat from said thermal mass wall.

Abstract: An aircraft thermal control system includes a thermal control unit including an internal circuit, an evaporator and a condenser, the evaporator and the condenser being disposed in the internal circuit. The aircraft thermal control system further includes a cooling circuit which is thermally coupled to the evaporator of the thermal control unit, and a heating circuit which is thermally coupled to the condenser of the thermal control unit.

Abstract: Connecting system for a heat exchanger, the housing of which is formed by a housing top part and a housing bottom part, wherein the connecting system has a first and a second connecting element, by means of which the housing bottom part is connected to the housing top part by a positive and/or material connection.

Abstract: A device for exchanging heat between the two fluid streams is disclosed. The device includes parallel heat exchange tubes arranged in an annular pattern, the first and second ends of the tubes being coupled to first and second halves of a core housing configured to channel the first gas stream through the heat exchange tubes between a first intake formed on the first half of the core housing and a first exhaust formed on the second half of the core housing. The device further includes a shell enclosing the core housing and separated from the core housing by a space, the shell configured to channel the second gas from a second intake, then between the heat exchange tubes, and then through a second exhaust. The heat exchanger device includes an expansion joint coupling the core housing and the shell housing such that the core housing floats within the shell.

Abstract: A method and a rapper device for cleaning a heat exchange surface in a pressure vessel. The rapper device comprises a striker rod which has one end contacting the heat exchange surface in the pressure vessel and one end projecting out of the pressure vessel via a passage opening. The rapper device also comprises an impacting device for impacting the projecting end of the striker rod. A section of the striker rod is slideably supported in a pressure chamber adjacent the passage opening. The pressure chamber is connected to a sealing gas supply maintaining the pressure in the pressure chamber at a higher level than the pressure in the pressure vessel. A bellows defines a pressure chamber around at least a section of the striker rod.

Abstract: An air flow control assembly, system, and method for controlling air flow to a server rack. An example air flow control assembly includes a retractable barrier configured to block the air flow, at least partially, from passing through a perforated floor tile to the server rack. The air flow control assembly also includes a barrier mount configured to secure the retractable barrier proximate the perforated floor tile.

Abstract: Heat exchanger having a housing, having a first fluid connection and a second fluid connection, the housing being in fluid communication with a fluid circuit, and a fluid flowing through said housing, by means of said fluid connections, wherein the housing a housing upper part and a housing lower part, wherein the housing lower part can be connected to the housing upper part by a connecting element by means of an interlocking and/or cohesive connection, wherein the connecting element has a large number of stud-like elements which are connected to one another by means of connecting crosspieces, wherein the connecting element has an at least partially circumferential edge, and at least the stud-like elements and/or the edge are/is in contact with the housing upper part and/or the housing lower part.

Abstract: The present invention relates to a heat-transfer device and has an object to provide a heat-transfer device that has a high degree of freedom of aspects in arrangement with respect to the heating element. The heat-transfer device is provided with a contact surface 20e coming into contact with a heating element 100. The heat-transfer device has a pin portion 20 transferring heat from the heating element 100 through the contact surface 20e, and has a gelled latent heat storage material 70 arranged to be in contact with the pin portion 20.

Abstract: A cooling device to which a heating element is joinable includes a base, a plurality of first groups of pin fins and a plurality of second groups of pin fins. The second groups and the first groups are arranged alternately in a flow direction in which a cooling medium flows through a passage of the base. A second outermost pin fin of each second group is more distant from a side surface of the base than a first outermost pin fin of each first group. Width between a side surface of the second outermost pin fin of each second group and the side surface of the base is the same as or larger than width between a side surface of the pin fin of each first group that is adjacent to the first outermost pin fin of the first group and the side surface of the second outermost pin fin.

Abstract: Heat exchanger having a housing, having a fluid inlet and having a fluid outlet, wherein the heat exchanger is in fluid communication via the fluid inlet and the fluid outlet with a fluid circuit, having a flow-guiding element in the interior of the housing, wherein the housing is formed from a substantially planar housing upper part and a substantially trough-like housing lower part, wherein the housing lower part has a base region and an encircling side wall, wherein the housing lower part is formed by a supporting structure and an encasement and the supporting structure is at least partially surrounded by the encasement, wherein the supporting structure is formed from a metallic material, and the encasement is formed substantially from a plastic, wherein the housing upper part is formed from a plastic and the housing lower part is connected to the housing upper part substantially by means of plastic-on-plastic contact.

Abstract: Heat exchanger (1) having a housing (9), having a first fluid port (6, 7) and having a second fluid port (7, 6), wherein the housing (9) is in fluid communication with a fluid source via the first fluid port (6, 7) and the second fluid port (7, 6) and can be traversed by a flow of a fluid, characterized in that the housing (9) is of multi-part design and is formed by a housing upper part (3) and a trough-like housing lower part (2), wherein the housing lower part (2) has a base region (7) and an at least partially encircling turned-up edge region (6), wherein the housing upper part (3) or the housing lower part (2) is formed from a plastic and the respective other housing part (3, 2) is formed from a plastic, a metallic material or a fiber composite material.

Abstract: Heat exchanger having a first collecting box and having a second collecting box, having at least one tube arranged between the two collecting boxes, wherein a fluid inlet and a fluid outlet are provided which are arranged individually on in each case one of the collecting boxes or on a single one of the collecting boxes, wherein the tube is received at the ends in an opening in in each case one of the collecting boxes and is in fluid communication with the collecting boxes, wherein the opening is surrounded by an opening edge whose contour corresponds to the outer contour of the tube, and in that the opening is designed such that the opening cross section narrows toward the interior of the collecting box and the tube can be inserted, under preload at the circumference, into the opening.

Abstract: Heat exchanger having a housing, having a first fluid port and having a second fluid port, wherein the housing is in fluid communication with a fluid source via the fluid ports, wherein the housing can be traversed by a flow of a fluid, wherein the housing is of multi-part design and has a housing upper part and a housing lower part, wherein the housing upper part and/or the housing lower part has a base region and an at least partially encircling turned-up edge region, wherein housing the two parts are formed from a plastic or a fiber composite material.

Abstract: The invention relates to a cooling system and an electronic apparatus using the same, and particularly aims to use a thermosiphon as the cooling system and derives an optimum shape (inter-fin gap, fin height, and fin upper-end hole diameter) of a boiling heat transfer surface for different coolants. In a cooling system using a thermosiphon according to the invention, an optimum shape (inter-fin gap, fin height, and fin upper-end hole diameter) of a boiling heat transfer surface of a heat receiving jacket that forms the cooling system is identified based on a critical radius of a steam bubble produced in an overheated liquid and the diameter of an air bubble departing from the heat transfer surface for a variety of coolants.

Abstract: An apparatus and a method are provided. Use is made of a wick structure configured to receive a liquid and generate vapor in when such wick structure is heated by heat transferred from heat sources to be cooled off. A vapor channel is provided configured to receive the vapor generated and direct said vapor away from the wick structure. In some embodiments, heat conductors are used to transfer the heat from the heat sources to the liquid in the wick structure.

Abstract: Assemblies and methods are described. One assembly includes a first plate and a second plate. The assembly also includes an adjustable heat pipe positioned between the first plate and the second plate, the adjustable heat pipe being in thermal contact with the first plate and the second plate. In another aspect, a plurality of springs may be positioned between the first plate and the second plate. Other embodiments are described and claimed.

Abstract: An inorganic aqueous solution for use in a phase-change heat transfer device comprises an aqueous solution of potassium permanganate (KMnO4), potassium dichromate (K2Cr2O7), chromium trioxide (CrO3), silver chromate (Ag2CrO4), strontium hydroxide (Sr(OH)2), calcium hydroxide (Ca(OH)2), magnesium hydroxide (Mg(OH)2) and sodium hydroxide (NaOH).

Abstract: A heat exchange device is presented, the device comprises one or more channels having inlet and outlet ports configured to direct flow of a predetermined fluid to and from said one or more channels. Said one or more channels of the device comprise at least one channel having at least one orifice of a predetermined hydraulic diameter configured such that a flow of said predetermined fluid through said orifice and through said channel thereby generating a vortex ring-like fashion of the flow within the channel to provide efficient heat transfer by the fluid.

Abstract: A heat dissipation device includes a fan module, a first plate structure and a fin assembly. The fan module includes a fan outlet. The first plate structure is disposed at the fan outlet. The thermal conductance of the first plate structure is above 100 W/(m·K). The first plate structure includes a heat-absorbing and a heat-dissipation surface. The heat-absorbing surface includes a heat-absorbing region in thermal contact with a heat source. The heat-dissipation surface includes a heat-dissipation region. The fin assembly is disposed on the heat-dissipation surface and in thermal contact with the heat-dissipation surface. The fan module is adapted to exhaust an air flow flowing above the heat-dissipation surface via the fan outlet. The air flow flows through the heat-dissipation region before through the fin assembly. The distance between the fan outlet and the heat-dissipation region is greater than the distance between the fan outlet and the fin assembly.

Abstract: A system for cooling a transmission of a hover-capable aircraft, the system having: a stator; a heat exchanger connectable thermally to the transmission; a fan for creating a current of a first heat-carrying fluid from the heat exchanger to the fan itself, to remove heat from the heat exchanger; a rotary member, which rotates about an axis to rotate an impeller of the fan about the axis; and a bearing supporting the rotary member for rotation about the axis; the system also having cooling means for cooling the bearing, and in turn having conducting means for conducting a current of a second heat-carrying fluid along a path from an outside environment, external to the bearing, to and to cool the bearing itself.

Abstract: A heat exchanger element includes at least two honeycomb structures arranged serially and each including a cell structural portion having cells separated and formed by partition walls containing SiC and functioning as passages which extend from one end face to the other end face and which a first fluid passes through, and an outer peripheral wall disposed on the outer periphery of the cell structural portion. The first fluid passes through the cells of the honeycomb structures without leaking out of the cells or mixing. The cell structural portions of at least a pair of the honeycomb structures adjacent to each other among the honeycomb structures arranged serially are disposed with a gap, and the first fluid passing through the cells mixes together between end faces forming the gap.

Abstract: A rotary regenerative heat exchanger [1] employs heat transfer elements [100] shaped to include notches [150], which provide spacing between adjacent elements [100], and undulations (corrugations) [165,185] in the sections between the notches 150. The elements [100] described herein include undulations [165,185] that differ in height and/or width. These impart turbulence in the air or flue gas flowing between the elements [100] to improve heat transfer.

Abstract: The invention relates to a heat exchanger with a first and a second collecting tank, with at least one tube arranged between the two collecting tanks, each having a fluid inlet and a fluid outlet. At least one tube end is in fluid communication with a collecting tank and is connected to the collecting tank via a form-fitting and/or integrally bonded connection, wherein the opening is surrounded by an opening edge.

Abstract: The invention relates to an apparatus for conducting a fluid, in particular a cooling fluid for cooling components to be cooled, in particular for cooling electronics components and/or battery cells and/or battery modules, having a first covering plate and a second covering plate and having a structural mesh between the two covering plates for defining a spatial region, through which flow can pass, a division being provided by reshaping of the structural mesh and/or by introduction of a sealant for at least partially sealing the spatial region with respect to an outer space and/or for dividing the spatial region into definable flow channels.

Abstract: A liquid-cooled heat dissipating device includes a chamber-confining body confining a liquid chamber adapted to receive a liquid coolant, and having a surrounding wall that surrounds the liquid chamber, a cover plate covering the liquid chamber and sinter-bonded to the surrounding wall, a liquid inlet spatially communicating with the liquid chamber, and a liquid outlet spatially communicating with the liquid chamber. A method of making the liquid-cooled heat dissipating device is also disclosed.

Abstract: A cold storage heat exchanger includes multiple refrigerant tubes having therein refrigerant passages. The refrigerant tubes are arranged to provide a clearance therebetween. The cold storage heat exchanger further includes a cold storage container that is brazed with the refrigerant tube and defines a compartment receiving a cold storage material. The cold storage container has an open-hole portion at a brazed part with the refrigerant tube. Accordingly, efficiency of heat exchange by the cold storage heat exchanger can be improved.

Abstract: The heat exchanger HE comprising a case 2 housing a plurality of heat transfer tubes 1 and a header 3 having a hollow main body 30 with an open edge 33. A side wall 21 of the case 2 is provided with a bulging portion 22 having a cylindrical circumferential wall 22a bulging out of the case 2 and an end wall 22b which blocks a tip portion of the circumferential wall 22a. Each end of the heat transfer tubes 1 is inserted into a penetrating hole 22c provided for the end wall 22b of the bulging portion 22, and is jointed to the end wall 22b, and the open edge 33 of the header 3 is fitted onto the circumferential wall 22a of the bulging portion 22, thereby forming a chamber 36 communicating with the inside of each heat transfer tube 1. Therefore, it is possible that the number of the members of the heat exchanger HE is reduced, the configuration is simplified, and the heat exchanger HE is easily manufactured at low cost.

Abstract: Systems according to the present disclosure provide one or more surfaces that function as heat or power radiating surfaces for which at least a portion of the radiating surface includes or is composed of “fractal cells” placed sufficiently closed close together to one another so that a surface (plasmonic) wave causes near replication of current present in one fractal cell in an adjacent fractal cell. A fractal of such a fractal cell can be of any suitable fractal shape and may have two or more iterations. The fractal cells may lie on a flat or curved sheet or layer and be composed in layers for wide bandwidth or multibandwidth transmission. The area of a surface and its number of fractals determines the gain relative to a single fractal cell. The boundary edges of the surface may be terminated resistively so as to not degrade the cell performance at the edges.

Abstract: A climate control device includes a first and a second thermal module. The first module is configured to provide climate conditioned air to a first portion of a seat. The second module is configured to provide climate conditioned air to a second portion of the seat. A control system is provided for controlling the climate control device. The control system includes an input device for providing a set point for the system. A first control unit of the control system is provided for the first thermal module and a second control unit is provided for the second thermal module.

Abstract: A lubricator is provided which has a unitized body with at least one port in communication with the body's bore and its outer surface, to which port(s) connectors with different outer fittings for further connection to other equipment may be attached and sealed, and later detached and replaced with other connectors. The connectors may have different outer fittings or may be a plug or valve. This allows the connection of a single port to external equipment to be changed and the fitting for that external equipment's connection to be altered, without having to disconnect the lubricator from its well-head and stem or any of the lubricator's other connections.

Abstract: A slip assembly for a downhole tool, such as a composite plug, has a slip body and at least one insert. The slip body has an incline at one end that interfaces with an inclined surface of a cone. As this occurs, the slip body is pushed away from the tool's mandrel against a surrounding casing wall. The insert is disposed in the slip body with the axis of the insert angled away from the cone. In particular, the insert's axis is preferably angled normal to the slip body's incline and the inclined surface of the cone.

Abstract: A mandrel arrangement is for use in a wellbore tubing. A method is for using the same. A mandrel body houses at least one piston, the at least one piston being movable in relation to the mandrel body between a first position and a second position by a fluid force acting on the piston. A cavity is arranged adjacent the piston for communicating wellbore fluid pressure between the wellbore tubing and the piston. The cavity is provided with drainage means for facilitating removal of any particles present in at least a lower portion of the cavity.

Abstract: Method comprising providing a portion of a subterranean formation having a first formation bacterial count as a result of the presence of a plurality of bacteria in the formation; providing a wellbore treatment fluid having a first wellbore treatment fluid bacterial count as a result of the presence of a plurality of bacteria in the wellbore treatment fluid; combining the wellbore treatment fluid with a a plurality of bacteriocins; placing the wellbore treatment fluid into a wellbore in the portion of the subterranean formation; reducing the first formation bacterial count to a second formation bacterial count; and reducing the first wellbore treatment fluid bacterial count to a second wellbore treatment fluid bacterial count.

Abstract: A method of producing heavy oil from a heavy oil formation by combining electromagnetic heating to achieve fluid communication between wells, following by in situ combustion to mobilize and upgrade the heavy oil.

Abstract: According to various embodiments, a method may include supplying a gas to an upstream side of a core holder containing a core sample, accumulating permeated gas that has flowed through the core sample in a cavity coupled to a downstream side of the core holder, measuring an elapsed time during which the permeated gas accumulates in the cavity using a timer, measuring a pressure of the permeated gas using a pressure transducer coupled to the cavity, and determining a gas permeability of the core sample based at least in part on the pressure of the permeated gas and the elapsed time.

Abstract: A safety valve for downhole use in a well comprises a valve body having a longitudinal bore for fluid flow; a bore closure assembly positioned to seal about a longitudinal cable within the bore; and a control assembly positioned and configured to actuate in response to a change in a control signal condition.

Abstract: A system for identifying location of a plunger that moves along a length of a well, includes an acoustic source carried in the well configured to transmit an acoustic signal when the plunger reaches a sense location in the well. An acoustic receiver is positioned at a top of the well and is configured to receive the acoustic signal processing circuitry processes the received acoustic signal and provides an output indicative of the plunger reaching the sense location.

Abstract: An alkylaromatic sulfonate is disclosed wherein the alkyl group contains a distribution of alkyl chain lengths which comprise greater than 15 weight percent and up to about 35 weight percent of C30 to C58. Also disclosed is a process for preparing an alkylaromatic sulfonate and its use in recovering crude oil from a subterranean hydrocarbon containing formation.