Abstract: An electronic device comprises a casing, a heat generation source, an airflow guiding structure, and a jet flow generator. The casing includes an interior space. The airflow guiding structure is in contact with the heat generation source and has one air inlet. The jet flow generator, the heat generation source, and the airflow guiding structure together are situated within the interior space. The jet flow generator includes a nozzle which directs toward the air inlet of the airflow guiding structure at a distance apart. Airflows emitted by the jet flow generator through the nozzle travel at a velocity greater than 0.1 meters/second (m/s), causing a fluid pressure differential with the neighboring air and pulling air in the vicinity along the air inlet into the airflow guiding structure.

Abstract: A fan module is detachably mounted in a chassis. The chassis includes a sidewall defining a locking slot. The fan module includes a bracket including a base plate defining a first through slot, a fan fixed to the base plate, a fan duct fixed to the base plate beside the fan, and a locking member. The fan duct includes a side plate defining a second through slot. The locking member is fixed to the fan duct. The locking member includes a locking portion extending through the second through slot of the fan duct and the first through slot of the bracket to lock into the locking slot of the chassis.

Abstract: A heat dissipation structure for a lighting engine, may include: a primary heat sink, and an extended heat sink, wherein the primary heat sink has a first contact surface, and the extended heat sink has a second contact surface provided opposite to the first contact surface, the first contact surface and the second contact surface directly contacted each other with no additional layer therebetween.

Abstract: Refrigerant tubes each having a refrigerant side turning portion for changing a flow direction of refrigerant, and cooling medium tubes each having a cooling medium side turning portion for changing a flow direction of coolant for an electric motor MG for travelling are alternately stacked over each other between a refrigerant header tank and a cooling medium header tank. An outer fin is disposed in an outside air passage formed between the refrigerant tube and the coolant tube adjacent to each other. The refrigerant side turning portion is positioned closer to the cooling medium header tank than the refrigerant header tank. The cooling medium side turning portion is positioned closer to the refrigerant side header tank than the cooling medium header tank.

Abstract: A multiple tube bank heat exchanger includes a first tube bank (100) including at least a first and a second flattened tube segments extending longitudinally in spaced parallel relationship and a second tube bank (200) including at least a first and a second flattened tube segments extending longitudinally in spaced parallel relationship. The second tube bank (200) is disposed behind the first tube bank (100) with a leading edge of the second tube bank spaced from a trailing edge of the first tube bank. A continuous folded plate fin extends between the first and second flattened tube segments of both of said first tube bank and said second tube bank.

Abstract: The heat exchanger (1) comprises: two header pipes (2),(3) arranged in parallel with an interval therebetween; a plurality of flat tubes (4) which are arranged between the header pipes and which place coolant paths (5) provided therein in communication with the interior of the header pipes; a plurality of fins (6) attached to the flat surface of each flat tube; and side sheets (10U), (10D) attached to an outside of the fins (6aU), (6aD), which are positioned farthest outward among the plurality of fins. The side sheet (10D) positioned in the bottom part of the heat exchanger (1) has a plurality of notches (11) formed at intervals from each other on the edge of the side where condensed water collects in the heat exchanger (1). The notches are each provided with a width sufficient for covering the interval pitch (P) of the fin by several pitch lengths.

Abstract: In various embodiments devices and methods are provided for an improved dry-cooling condensation system. In certain embodiments the methods involve receiving steam from a source of steam (e.g., a power plant); condensing the steam into water while transferring the latent heat of the steam into the latent heat of a thermal storage material; and dissipating the latent heat from the thermal storage material at a later time when the ambient temperature is lower than the ambient temperature at the time the steam was condensed into water.

Abstract: A cooling plate includes a casing being internally divided into an upper chamber and a lower chamber; an air inlet deposited on at least one lateral wall of the casing enclosing the upper chamber; a plurality of through holes being formed on the partition board and such arranged that the through holes closer to the air inlet are smaller in diameter and the through holes farther from the air inlet are larger in diameter, wherein the upper chamber and the lower chamber are communicated to each other via the through holes; and a plurality of air outlets provided on a lower board below the lower chamber for communicating the lower chamber to an exterior of the casing, wherein the air outlets are identical in diameter and arranged into a matrix-like pattern.

Abstract: An exemplary method for manufacturing a heat sink includes steps: providing a base with a plurality of spaced protrusions formed thereon; providing a plurality of fins and bending a distal end of each fin to form a connecting end; fitting each fin between two adjacent protrusions correspondingly and attaching the connecting end of each fin to the base; and deforming each protrusion to press the connecting ends of two adjacent fins.

Abstract: A communication plate extends along and is sandwiched between cylindrical communication manifolds of a first heat exchanger assembly and a second heat exchanger assembly. The communication plate includes a saddling surface arcuate in one direction and a saddling surface arcuate in the opposite direction for engaging in saddle-like fashion the cylindrical shape of the manifolds. The communication plate defines a plurality of communication plate orifices disposed along the communication plate and aligned co-axial with a plurality of communication orifices disposed along the manifolds to seal the communication orifices of the manifolds and establish distributed and sealed fluid communication between the heat exchanger assemblies.

Abstract: A communication plate extends along and is sandwiched between cylindrical communication manifolds of a first heat exchanger assembly and a second heat exchanger assembly. The communication plate includes a saddling surface arcuate in one direction and a saddling surface arcuate in the opposite direction for engaging in saddle-like fashion the cylindrical shape of the manifolds. The communication plate defines a plurality of communication plate orifices disposed along the communication plate and aligned co-axial with a plurality of communication orifices disposed along the manifolds to seal the communication orifices of the manifolds and establish distributed and sealed fluid communication between the heat exchanger assemblies.

Abstract: This invention relates to a method of manufacturing a heat exchanger block, to a spacer means for use in the method, and to a heat exchanger block. The heat exchanger block comprises a number of tubes and a number of fins, the fins having a predetermined spacing determined by the spacer means. The method includes the steps of locating the fins in a carrier and pressing the fins onto the tubes, and providing spacer means for the fins, whereby the spacer means supports a fin during the pressing step and determines the spacing between the fins in the assembled heat exchanger. Each of the fins has apertures for the tubes, the apertures engaging the tubes. Each of the spacer means has openings for the tubes, the openings being larger than the apertures.

Abstract: A heat exchanger comprises a base portion and a plurality of fins. The fins are disposed on the base portion in parallel along a processing direction. Each fin has a processing surface far away from the base portion. The processing surfaces sunken to form at least one groove, and the groove extends along a grooving direction which intersects with the processing direction. Furthermore, each fin has two upper valley sides at the groove, and the two upper valley sides connect the processing surface. The two upper valley sides and the processing surface form an obtuse angle. The structure of the heat exchanger can prevent processing waste filling in the passages between fins.

Abstract: A heat exchanger comprises a base portion and a plurality of fins. The fins are disposed in parallel on the base portion. Each fin has an upper margin far away from the base portion. The distance between each upper margin and the base portion is substantially gradually reduced along a first direction. The upper margins sunken to form at least one groove. The groove extends along a second direction which intersects with the first direction. The structure of the heat exchanger can prevent cutting waste filling in the passages between fins and thus block of passages can be avoided.

Abstract: A container includes a main body, a number of computer servers, a number of heat dissipating fins, a first group of fans and a second group of fans. Two frames are symmetrically mounted in the main body. The frames divide the main body to a middle airflow channel and side airflow channels. The computer servers are positioned in the frames. The heat dissipating fins are positioned on the main body. A number of flow spaces are defined between the heat dissipating fins. A first group of fans are positioned in the middle airflow channel, and a second group of fans are positioned in the side airflow channels. The first group of fans draws the airflow into the middle airflow channel to pass through the computer servers, and the second group of fans draws the airflow passing through the computer servers to the heat dissipating fins.

Abstract: The present invention relates to a wireless downhole unit (1) adapted to be lowered into a well (2) in a casing (3) having an inner wall (4) and an inner diameter (Dc). The wireless downhole unit comprises an electrical motor (5), a pump (6), and driving means (7) for allowing movement of the wireless downhole unit within the casing, and at least one battery pack (8). The present invention further relates to a downhole system.

Abstract: A coiled tubing injector apparatus for inserting and/or removing coiled tubing from a well head comprising a first injector column and a second injector column forming a central pathway within a frame. The first and second injector columns each comprise an inner and outer band, the outer band containing a plurality of rolling elements for engaging the coiled tubing and the inner band creating drive force to energize the outer band. The inner band further comprises a wear plate designed to sustain the majority of wear for less costly maintenance and repair of injection heads.

Abstract: A downhole pumping system includes a motor, a pump driven by the motor and a seal section positioned between the pump and the motor. The seal section preferably includes a first seal bag assembly, a second seal bag assembly and an interconnect module connected between the first seal bag assembly and the second seal bag assembly. The interconnect module includes a plenum, at least one fluid exchange passage connected to the plenum, and a shaft seal assembly. The shaft seal assembly is configured to divert fluid from the plenum into the at least one fluid exchange passage. In another aspect, a first group of interconnect modules within the seal section each includes a shaft seal assembly oriented in a first direction and a second group of the interconnect modules each includes a shaft seal assembly oriented in a second direction to selectively apply an axial force on the shaft.

Abstract: A plug for isolating a wellbore. The plug can include a body having a first end and a second end, at least one malleable element disposed about the body, at least one slip disposed about the body, at least one conical member disposed about the body, and an insert secured to an inner surface of the body proximate the second end of the body. The insert can be adapted to receive a setting tool that enters the body through the first end thereof. The insert can include a passageway extending therethrough. The insert can be adapted to release the setting tool when exposed to a predetermined axial force, thereby providing a flow passage through the insert and the body. At least one of the body and the insert can be adapted to receive an impediment that restricts fluid flow in at least one direction through the body, wherein the impediment comprises one or more decomposable materials.

Abstract: A configurable insert for a downhole tool. The configurable insert can include a body having a bore that is blocked by an impediment such that fluid flow is prevented through the body in both axial directions. The impediment can include a decomposable material. The configurable insert can also include at least one shear element disposed on the body for connecting to a setting tool. The shear element can be adapted to shear when exposed to a predetermined force, thereby releasing the setting tool from the body. The configurable insert can also include one or more threads disposed on an outer surface of the body below the at least one shear element for connecting the body to the downhole tool.

Abstract: The invention relates to isolation of part of a well, which comprises pipe provided, along its external face, with a first external sleeve, wherein the opposite ends are connected directly or indirectly to said external face of the pipe. The pipe, first external sleeve and its ends together delimit an annular space, the wall of said pipe exhibiting at least one opening which allows it to communicate with said space, this sleeve being likely to expand and to be applied tightly against the well over an intermediate part of its length. The device also comprises on the one hand, a second internal sleeve, which extends between said pipe and the first sleeve, its ends being also connected directly or indirectly to the external face of said pipe and, on the other hand, at least one communication passage between the exterior of the first sleeve and said space.

Abstract: A plug for isolating a wellbore is provided. The plug can include a mandrel having a bore formed therethrough, at least one sealing element disposed about the mandrel, at least one slip disposed about the mandrel, at least one conical member disposed about the mandrel, and an insert disposed at least partially within the bore of the mandrel. The insert can include a body, at least one circumferential groove disposed on an outer surface of the body, wherein the at least one circumferential groove is adapted to retain an elastomeric seal, and at least one interface disposed on an end of the body for securing the insert into the mandrel. The body can also have a bore formed only partially therethrough or a bore formed completely therethrough with the body being adapted to receive an impediment that restricts fluid flow in at least one direction through the body. At least one of the body and the impediment can include one or more decomposable materials.

Abstract: A method of increasing biogenic production of a combustible gas from a subterranean geologic formation is described. The method may include extracting formation water from the geologic formation, where the extracted formation water includes at least a first species and a second species of microorganism. The method may also include analyzing the extracted formation water to identify the first species of microorganism that promotes the biogenic production of the combustible gas. An amendment may be introduced to the formation water to promote the growth of the first species of microorganism, and the biological characteristics of the formation water may be altered to decrease a population of the second species in the geologic formation.

Abstract: A reservoir production management system includes a plurality of dielectric spectrometers disposed at different locations along the length of production tubing within a wellbore, each of the plurality dielectric spectrometers being in fluid communication with separate producing zones of the reservoir, wherein the plurality of dielectric spectrometers are configured to detect one or more dielectric properties by measuring the response of incident radio waves through fluids from each of the respectively separate producing zones, and a plurality of valves in the production tubing to selectively control production from each of the respectively separate producing zones in response to detected dielectric fluid properties.

Abstract: A method of extracting hydrocarbon-containing organic matter from a hydrocarbon-containing material includes the steps of providing a first liquid comprising a turpentine liquid; contacting the hydrocarbon-containing material with the turpentine liquid to form an extraction mixture; extracting the hydrocarbon material into the turpentine liquid; and separating the extracted hydrocarbon material from a residual material not extracted.

Abstract: A cement retainer comprises a plug that may be run into casing on a wire line and set in a conventional manner. A passage through the plug allows cement to be pumped therethrough. A wiper plug follows the cement, wipes the inside of the casing and latches onto the retainer to prevent back flow of cement. In some embodiments, the cement retainer and wiper plug are made of drillable materials allowing a series of squeeze operations to be conducted, one after another without undue delay, and then be drilled up in a single bit run. In some embodiments, the cement retainer and wiper plug are made of metals, drillable or non-drillable, or other long lived materials in order to plug wells in the process of abandoning them.

Abstract: An apparatus and method for generating a drive force in a downhole environment includes chambers of a reactant and a catalyst, respectively, that are maintained separate until selectively exposed to one another. Once exposed, the reactant and catalyst produce expanding fluid pressure and sometimes heat. The products of the reaction are directed to a drive member to carry out a desired operation in the downhole environment.

Abstract: Apparatus and method for economically removing salts and heavy metals from water. The apparatus and method provide for flowing of the water across a transducer/resonator assembly which has enhanced resonation such that the water vaporizes and condenses without the salts or heavy metals. The water may then be used for drinking, irrigation, agricultural purposes, or injecting into subterranean formations related to mining or the recovery of hydrocarbons. The water may also be used to supplement or prepare water for reverse-osmosis desalination processes.

Abstract: An embodiment of the present techniques provides a method of injecting a particulate mixture into a target location. The method includes forming a mixture of at least two sources of particles with different size distributions wherein the mixture of solids has a permeability in a predefined range. A water content of the mixture is varied to control the rheology of the mixture. The particles are injected through one or more pipes into a target location.

Abstract: A method of inducing fracture complexity within a fracturing interval of a subterranean formation comprising characterizing the subterranean formation, defining a stress anisotropy-altering dimension, providing a wellbore servicing apparatus configured to alter the stress anisotropy of the fracturing interval of the subterranean formation, altering the stress anisotropy within the fracturing interval, and introducing a fracture in the fracturing interval in which the stress anisotropy has been altered. A method of servicing a subterranean formation comprising introducing a fracture into a first fracturing interval, and introducing a fracture into a third fracturing interval, wherein the first fracturing interval and the third fracturing interval are substantially adjacent to a second fracturing interval in which the stress anisotropy is to be altered.

Abstract: A tool that is usable in a well and may include an operator, a switch, a resilient device and an indexer. The switch may be configured to selectively communicate a first force to the operator, thereby actuating the tool. The resilient device may exert a second force. The indexer may cycle through a sequence of positions in response to alternating between the second force and a third force. The sequence includes a predetermined position configured to actuate the switch, thereby communicating the first force to the operator to actuate the tool.

Abstract: A releasable guidepost extension is used on the seabed together with a bottom fixed guidepost part. These parts make up a guidepost for use during the lowering of a component from the surface of the water to a subsea structure. The guidepost part includes an upward (in use position) projecting end designed for engagement with a lower (in use position) end of the guidepost extension. The guidepost extension is loosely connected to the bottom fixed guidepost part via a pin and socket part on respective ends. A gap, or clearance, exists between the pin and socket part in the longitudinal direction, and at least one friction forming device arranged in the gap on either the pin part or in the socket part. The friction forming device does not get in contact, or engaged, with the other part unless the guidepost extension is subjected to a lateral force.

Abstract: A manipulator device (4) arranged to move a hose manifold (13) as one or more hoses (12) is/are being connected to and disconnected from pipelines (11) arranged on a marine riser (1), the manipulator (4) being fixed to an undercarriage (3) which is movable relative to a working well (21).

Abstract: An offshore oil production system, comprising a structure in a body of water, having a portion extending above a surface of the body of water; a wellhead located at a boom of the body of water; a riser extending from the wellhead to the portion extending above the surface; a primary wellbore extending into a subsea formation beneath the body of water; and at least two secondary wellbores extending further into the subsea formation beneath the body of water and beneath the primary wellbore.

Abstract: A well head system for application in sub sea well exploration comprising a well head (23) having a well head housing secured to a well casing, at least one valve stack, e.g. a BOP (1) located atop said well head (23). The valve stack is removably locked on a well template (15) supporting said well head by a plurality of locking devices (7). Also described is a locking device comprising two opposite clamping arms (19) hingedly attached to a main frame (21). The Main frame is slidable relative to a spindle (17) and can be selectively secured to the spindle (17).

Abstract: A fire suppressant mixture comprising: an organic or supplemental organic fire suppressant compound; a halogen element, and an organic compound, wherein the organic fire suppressant compound, the halogen element and the organic compound are combined such that a boiling point of the mixture is lower than the boiling point of the organic fire suppressant. In some embodiments, the organic fire suppressant compound is FK 5-1-12 and the organic compound is carbon dioxide. In other embodiments, the mixture is supplemented with an additional organic compound such as CF3I or 2,2-Dichloro-1,1,1-trifluoroethane (R123), or an halogen element. In some embodiments an inorganic pressurizing gas, such as nitrogen, is also added.

Abstract: A fire suppressant mixture comprising: an organic or supplemental organic fire suppressant compound having a boiling point; and an organic compound with a boiling point lower than the boiling point of the organic fire suppressant compound, wherein the organic fire suppressant compound and the organic compound are combined such that a boiling point of the mixture is lower than the boiling point of the organic fire suppressant. In some embodiments, the organic fire suppressant compound is FK 5-1-12 and the organic compound is carbon dioxide. In other embodiments, the mixture is supplemented with an additional organic compound CF3I and an inorganic pressurizing gas, such as nitrogen.

Abstract: A sprinkler assembly can utilize an adapter having straight threads and an internal sealing member therein to attach the sprinkler to a piping system. The sprinkler may include tapering threads that engage with the straight threads of the adapter and compress the sealing member therein to form a fluid-tight seal. A sprinkler assembly can utilize a fitting that is attached to an extension member containing the sprinkler. The fitting allows the sprinkler and extension member to be coupled to the piping system with a solvent weld. A sprinkler assembly can utilize an attachment system to couple a sprinkler attached to an extension member to a piping system. The attachment system can include a first fitting attached to the connection member, a second fitting attached to the piping system, and a clamping member to clamp the two fittings together.

Abstract: A low profile explosion proof by containment enclosure includes a base wall having first and second edge sections that are joined with third and fourth edge sections to define a substantially planar surface. First and second side walls extend from the first and second edge sections, and third and fourth side walls extending from the third and fourth edge sections and are joined with the first and second side walls. The base wall, first and second, and third and fourth side walls define an interior zone. A cover is coupled to the first and second, and third and fourth side walls to enclose the interior zone and provide containment to any flammable events. At least one of the first and second side walls, third and fourth side walls, base wall, and cover includes one or more unobstructed openings that provide fluid drainage while also providing containment to any flammable events.

Abstract: An automatic fire extinguisher valve assembly includes a valve body, a push rod disposed in the valve body, a poppet stem arranged perpendicular to the push rod and disposed in the valve body, a poppet-to-valve body seal coupled to the poppet stem and disposed in the valve body and a poppet return spring coupled to the poppet stem and disposed in the valve body, wherein the push rod is configured to engage the poppet stem to open the poppet-to-valve body seal.

Abstract: A cartridge monitoring system for use in a cartridge-operated fire suppression system having an enclosure with an opening, sidewalls, an interior space, a cover, and a regulator assembly having a cartridge-receiving opening for receiving a cartridge and a regulator mount. The system includes a fixture positioned in the interior space in a fixed position relative to the regulator assembly; an elongate member having a rotation point fixed to a hinge member, a free end, and an arm portion between the free end and the rotation point, with the elongate member being rotatable about the axis of rotation between a first position in which the free end of the elongate member is within the interior space and a second position in which the free end is outside of the interior space.

Abstract: A folding agricultural tool carrier for supporting tillage, seeding, fertilizer or other ground engaging tools. On each side of a carrier frame a boom support frame is hinged for pivoting about a fore-and-aft axis, and a wing frame or boom is pivotally connected to the boom support frame forwardly of the aft end of the carrier frame and adjacent wheel structure supporting the carrier. A rear fold cylinder pivots the boom forwardly from an extended position to a flat-fold position alongside the boom support frame, and a torque resisting and fatigue reducing diagonal brace flat-folds between boom and the support frame. Frame cylinders pivot the support frame and folded boom and brace into a narrow transport position over the carrier frame. A wheel accommodation space is defined between support frame hinges to facilitate tread adjustments.

Abstract: A one-piece garden tool, and process for manufacturing a one-piece garden tool such as a shovel, in which the head of the garden tool and its rod are made from two pieces of plastic. The head further contains a joint portion into which the rod is inserted and axial force and rotational speed are applied with sufficient force to create friction that melts a layer of the rod and joint so the plastic of each mixes. The rod and head are then cooled, and the plastics merge into a single one-piece plastic garden tool. Alternately, ultrasonic waves may be used to melt the rod and joint layers.

Abstract: A soil working tool, such as a cultivator tip, having a carrier which bears a primary cutting element and at least two secondary cutting elements on a cutter holder, wherein both the primary cutting element and the secondary cutting elements include a cutting edge. To optimize the penetration to achieve better cutting results, the cutting edges of the secondary cutting elements are arranged offset with respect to the cutting edges of the primary cutting element.

Abstract: A mounting assembly (6) for mounting a bulldozer blade (2) to a vehicle (4) is disclosed. The assembly comprises a lower link (8) adapted to be mounted to a vehicle, a pair of first actuators (16, 18) adapted to be pivotably mounted to the blade, and to a pair of link plates (24, 26) via respective pin joints (28, 30), and a pair of second actuators (36, 38) adapted to adjust the position of respective pin joints (28, 30) relative to the lower link to adjust the orientation of the blade relative to the vehicle.

Abstract: A method for operating a machine tool is disclosed wherein during operation of the machine tool at least one state of the machine tool is projected into a working area of the machine tool with a 3D projector at a predefined point in space in the working area. A projection device performing the method and a machine tool with such a projection device is also disclosed.

Abstract: A crimp tool includes a frame, a lead screw and a nut assembly connected to the lead screw. A spring member is connected to the frame and movable with rotation of the lead screw. A first transducer is connected to the nut assembly to measure a first force applied on the nut assembly. A second transducer is connected to the spring member to measure a second force applied thereon by the spring member.

Abstract: A power tool for operating on a workpiece, the power tool having a housing and a motor disposed within the housing. A controller is connected to the motor and receives user inputs for turning on the motor and a power tool battery pack is connected to the controller and the motor. At least one light is connected to the controller for illuminating the workpiece. The controller can turn on the light in a predetermined pattern to alert the user to a tool condition, such as the charge level being below a predetermined level.

Abstract: A hand-held power tool has a tool housing in which a gear unit which is drivable by a drive motor for driving a drive shaft is situated and to which a torque clutch is assigned. On the hand-held power tool, the drive shaft is provided with a tool holder for holding an assigned insertion tool, and an acceleration sensor is provided which is designed for enabling detection of an activation of the torque clutch.

Abstract: The invention relates to a power unit which is receivable in or at a medical handheld medical device in a disengageable manner, wherein the power unit includes at least a voltage source, a motor and/or a circuit board, wherein the power unit includes an arrangement for identifying which is configured to identify at least one feature of the medical handheld device and to emit a signal caused by the identified feature or based on the identified feature. The invention furthermore relates to a medical handheld device, comprising at least one power unit according to one of the preceding claims and/or at least one feature which is provided to be identified through the identification arrangement. The invention furthermore relates to an arrangement for identifying a medical handheld device that is connected with the power unit according to the invention.