Abstract: One object of the present invention is to realize a heat discharger having a high precision and in which heat conduction efficiency is maintained at the bonding between the heat pipe and heat sink. A heat discharger comprises a heat pipe and a heat sink formed separately from the heat pipe and bonded to the heat pipe via solder. The contact surface portion between the heat pipe and the solder and the contact surface portion between the heat sink and the solder are made of a wettable material having a wettablility such that the contacting angle with respect to the solder is 90 degrees or less.

Abstract: A heating and/or air-conditioning system for the interior of a vehicle has an air-conveying device, a heat exchanger and an evaporator. At least one air-conveying assembly of the air-conveying device is designed as a disc fan so that the heating and/or air-conditioning system can have as compact a build as possible and so as to achieve high efficiency.

Abstract: A cold storage facility energy transfer system has a building which includes walls, a roof, and a floor. The building defines an enclosed space, which is to be cooled. A cooling system, which includes a compressor, a condenser, and an evaporator, is provided to cool the air within the enclosed space of the building. A ground water heat transfer mechanism reduces the operating temperature of the cooling system and raises the temperature of the building floor. A heat exchange mechanism draws heat from the compressor and the condenser to reduce operating temperature of the condenser and/or compressor. The heat exchange mechanism includes a mechanism associated with an area adjacent to the building floor for maintaining that area at a temperature so that underfloor icing is prohibited. An additional objective of the system reduces the temperature of the walls and roof of the building, reducing heat loss and improving the energy efficiency of the building.

Abstract: A fan controller is described herein that can be connected to other fan controllers to provide fault information from one controller to the other(s). The fan controllers each control one or more fans. The controllers include signal(s) connected between the controllers that transmit fault information from one fan controller to the other(s) without the involvement of the host processor. Further, the controllers are capable of performing a “free wheeling” test in which idle fans are spun and tested.

Abstract: A bi-level assembly comprises a heat sink, a processor and a power supply. The heat sink includes a base and at least one fin structure attached to the base. The base may be a plate with attached heat pipes or the base may be a vapor chamber. The base is connected to the top of the processor and power supply and has an s-bend to accommodate the differing heights of the processor and power supply. Heat from the higher heat generating processor may be transferred by the base and dissipated by the fins above the power supply.

Abstract: A heat mass transport device, utilizing microchannels and micropumps, achieving a thinner form and offers a higher thermal conductance. The heat mass transport device (1) has a structure in which the microchannels for passing through a coolant and the micropumps for transporting the coolant form a single unit. For example, a channel layer (2), in which the microchannels (2a) are formed, and a pump layer (4), in which the micropumps (4a) are formed, may be laminated in a multi-layer structure, or a large number of single units in which a microchannel and a micropump are combined, may be placed in an array. Moreover, the heat mass transport device is made flexible, as the microchannels and micropumps are formed on a resin substrate utilizing flexible material.

Abstract: A heat dissipater for a CPU (Central Processing Unit) includes an upper plate and a lower plate abutting each other. The upper plate has a series of fins extending upwards from a first side of the upper plate and a recess defined in a second side of the upper plate. The lower plate includes a first side having a recess defined to correspond to the recess in the upper plate and forming a closed chamber with the recess in the upper plate and a second side adapted to abut the CPU. Volatile liquid is received in the closed chamber to promote the dissipating effect of the heat dissipater for a CPU. The upper and lower plates are integrally made and the only step of assembly is to securely combine the two plates together so that the manufacturing processing is simplified to save manufacturing time and cost.

Abstract: A heat pipe has a tube with an open end and a closed end. Copper powder is sintered onto an inner surface of the tube to form a porous lining. Air is then evacuated to form a substantially vacuum state in the tube from the open end. Working fluid is added into the tube and the open end is sealed afterwards. In operation, heat generated by an electronic component is absorbed by the heat pipe and forms a heated region in the tube. Working fluid in the heated region evaporates and travels to a cool region and condenses. The working fluid is then driven by capillary force to circulate back to the heat region through the porous lining. This thermodynamic cycle continues as the heat is transferred and dissipated throughout the heat pipe in an extremely high efficiency.

Abstract: A heat exchanger and manufacturing method thereof, include a plurality of radiating pins which are aligned at a predetermined interval and a plurality of refrigerant tubes which are positioned to be penetrated among the radiating pins and through which refrigerant passes. In addition, the refrigerant tubes are mutually connected by the connection pipes, inflow/discharge pipes are respectively connected with the refrigerant tubes of one side, and connection portions of the refrigerant tubes and connection pipes and connection portions of the inflow/discharge pipes and the refrigerant tubes are simultaneously joined by a melting processing. Accordingly, the heat exchanger can reduce a manufacturing process and cost, by simultaneously joining a connection portion of the refrigerant tubes and connection pipes and connection portion of the inflow pipe and discharge pipe, by a melting processing.

Abstract: A method of exchanging heat that includes flowing a high pressure, high temperature fluid within a tubing generally along a first direction and flowing a low pressure, low temperature fluid within a first gap formed between a first wall and a first portion of the tubing positioned nearest the first wall and a second gap formed between a second wall and a second portion of the tubing that is positioned nearest the second wall.

Abstract: A heat exchanger that includes a manifold tube having a plurality of spaced apart openings formed through its wall in flow communication with a flow passageway, and a plurality of stacked flat tube elements each including a first plate and a second plate defining a flow channel therebetween, the plates each being provided with an aperture therethrough, the apertures in the first and second plates being substantially in alignment with each other. The manifold tube is received through the apertures in the first and second plates of each of the flat tube elements with each of the spaced apart openings in flow communication with the flow channel of a respective one of the flat tube elements. During assembly, the wall of the manifold tube is radially enlarged so that an outer surface of the manifold tube engages an inner surface surrounding the aperture in each of the first and second plates to secure the flat tube elements to the manifold tube.

Abstract: A cooler for an electrical component, including a pressure-tight vessel enclosing the electrical component and including a support plate above the electrical component, a bath of electrically insulating and evaporating liquid surrounding the electrical component within the vessel, a flow channel for cooling liquid on the support plate, and a heat exchange element. The heat exchange element includes a serpentine plate having generally horizontally extending and aligned flanks alternately connected along horizontally extending upper and lower edges, with the lower edges being connected by connectors spaced along the horizontally extending edges and the upper edges being connected by horizontally extending crests secured to the flow channel for heat conduction therebetween. The flow channel may define a U-shaped path with two channel legs connected at one end, with a cooling liquid inlet connected to one of the channel legs and a cooling liquid outlet connected to the other of the channel legs.

Abstract: The invention relates to an installation for utilizing surplus heat from a power transformer. A first pipe system (7) is connected to the cooling device of the transformer for circulation of a first, heat carrying fluid between the transformer and a heat pump (5) with the purpose of enabling emission of heat to an evaporator (10) included in the heat pump, which evaporator via a second pipe system (11) containing a second fluid communicates with a compressor (12), a condenser (13) and an expansion valve (14), a third pipe system (15) having a third, heat carrying fluid for transfer of heat to one or more consumption units (16) being connected to the condenser.

Abstract: A digital programmable thermostat comprising up and down temperature adjustment buttons, an LCD display, and a Program button, which a user can simply press once to initiate a single setback program that sets back the last user selected temperature setting during a predetermined setback time period. The thermostat can also automatically set the current time and date, to allow the user to initiate the program without having to set the current time and date.

Abstract: The invention provides a connector head, such a casing head for using in a well bore, for connecting an inner tubular body, such as a casing pipe within an outer, concentric tubular body, such as a conductor pipe, and for transferring at least a portion of the load from the inner tubular body onto the outer tubular body.

Abstract: An injection probe assembly is disclosed for injecting material into subsurface formations for making geotechnical improvements. The probe assembly includes a sheath having an upper end for attaching to a mating tool string and a lower end for receiving a solid drive point. The sheath has a reduced diameter injection area which includes an interior space enclosed by a tubular sidewall, a valve seat, and a plurality of injection ports extending through the sidewall through which materials can be injected laterally. A check valve spool is arranged for sliding movement within the interior space for preventing back-flow of material into the interior space. The spool is seated on the valve seat and covers the injection ports in a first position, and is unseated from the valve seat with the injection ports uncovered in a second position. The spool is responsive to pressure changes of the injected materials.

Abstract: An apparatus for translating an expander tool within a wellbore. The apparatus enables an expander tool to be moved axially within a wellbore during an expansion operation without raising or lowering the working string during the expansion operation. In one aspect, the apparatus comprises a shaft, a nut member which rides along the shaft when the shaft is rotated, and a recess connected to the nut member for receiving the shaft as the nut member travels axially along the shaft. The expander tool is connected at an end to the nut member such that translation of the nut member along the shaft serves to translate the expander tool axially within the wellbore. In one aspect, the shaft employs helical threads for incrementally advancing the nut member upon rotation of the shaft. In a further aspect, the apparatus includes a nut housing for holding the nut member, and a key member disposed within the circumference of the nut and the nut housing.

Abstract: A method of producing gas through liquid level detection in oil or gas wells uses various types of artificial lift systems that include sub surface gas lift, beam pumps, progressive cavity pump and submersible pumps. The artificial lift systems are controlled in response to a known liquid level within the well bore to prevent the well from pumping off and damaging the artificial lift system or from reducing the liquid level in the well bore to an unnecessarily low level to thereby increase the energy required by the artificial lift system to remove the liquid from the well bore.

Abstract: A method is disclosed which utilizes multiple overlapping surveys to estimate a position in a wellbore and related position uncertainty. Multiple surveys are often taken over the same portion of a wellbore either concurrently or sequentially and/or using various instruments. Each survey generates an estimated survey position and related uncertainty for a given location in the wellbore. By combining the estimated survey positions and uncertainties for these overlapping surveys, a resultant position and related ellipsoid of uncertainty is estimated. This resultant position estimates a position in the wellbore by incorporating the estimated survey positions and uncertainties of multiple overlapping surveys.

Abstract: A method for separating oil from geological formations by application of an aqueous oxidant. The oxidant breaks the interfacial attraction between the oil phase and the geological formation and also produces ketone moieties which assist in separating the oil phase from the mineral phase and also dissolve into the oil phase, thereby decreasing the viscosity. The method is especially useful in recovering heavy oil from geological formations wherein oil has been previously extracted to exhaustion by prior art methods.

Abstract: A method and composition is provided for sealing a subterranean zone penetrated by a well bore, wherein the composition basically comprises a mixture of latex, dithio carbamate, zinc oxide, and sulfur.

Abstract: Methods for cementing a pipe string in a well bore containing oil-based drilling fluid using oil-based settable spotting fluid compositions are provided. The oil-based settable spotting fluid compositions basically comprise an oil external emulsion comprising oil, water and an emulsifying surfactant; a hydraulically settable component; and a de-emulsifying surfactant for de-emulsifying the oil-external emulsion when the emulsion is cured.

Abstract: Methods and compositions for sealing subterranean zones penetrated by well bores are provided. The methods basically comprise the steps of introducing a sealing composition into the subterranean zone comprised of a hydraulic cement, sufficient water to form a slurry and a rapidly acting thixotropy providing gelling agent, and allowing the sealing composition to remain at rest in the zone whereby the sealing composition rapidly gels and then sets into a hard impermeable mass therein.

Abstract: This invention relates to a method for carrying out well construction, repair and abandonment operations, which method involves introducing a resin into a well and curing the same to form a seal, plug or connection, wherein the cured resin is expanded to at least the volume occupied by the resin prior to curing (compensating shrinkage), by cooling the well and curing the resin at a reduced temperature and subsequently allowing the well to reach its static bottom hole temperature. This invention also relates to a method for analyzing the setting time, elastic properties, shrinkage/expansion, compressibility or coefficient of thermal expansion of thermosetting resins or oil well cements under simulated reservoir pressure and temperature conditions, which comprises a introducing a sample (7) of a thermosetting resin or oil well cement into a pressure vessel (3) that is equipped with a means(9) to provide the pressure and register the volume change; and to the analyzer used by this method.

Abstract: A method and apparatus is provided for created multiple fractures in a subterranean formation with a single, continuous treatment operation. A plurality of burst disk assemblies are included, each having an independent burst pressure and corresponding to a specific interval to be treated, whereby the assemblies are arranged on a work or completion string such that the assembly with the lowest burst pressure is positioned at the toe, or lowest position, and subsequent assemblies have increasing burst pressures toward the heel of the string. As fluid is pumped down the string, pressure builds up to exceed the burst pressure of the first disk, allowing treatment fluid to contact the formation. Once a first interval treated or fractured, it may be isolated thereby allowing pressure to again build up in the string and burst subseqent disks.

Abstract: A subsurface safety valve for controlling fluid flow in a well bore. In one embodiment, the subsurface safety valve includes a tubular member having a longitudinal bore extending therethrough, a curved flapper removably connected to the tubular member. The curved flapper is configured to pivot against the tubular member between an open position and a closed position. The subsurface safety valve further includes a hard seat positioned inside the tubular member, in which the hard seat defines a seating surface configured to receive a sealing surface defined on a bottom periphery portion of the curved flapper to form a sealing interface having a slope that varies along the sealing interface.

Abstract: A subsurface safety valve has a closure sleeve or rod mounted below the closure mechanism. Control signal pushes the sleeve up (uphole) or down (downhole), whichever is applicable, which causes the closure element to rotate (or slide, or otherwise translate) to its open position. A loss of control signal allows the closure spring to push the sleeve or rod downhole (or uphole, whichever is appropriate). This movement causes the closure element to be driven to its closed position against the seat.

Abstract: The disclosure defined by this invention is a method and assembly for conducting wireline operations in a deep, subsea location, which includes providing a rig on the surface of a body of water, having a riser extending from the rig floor to the floor of the deep body of water; an annular preventer positioned on the end of the riser on the sea floor; a plurality of blowout preventers positioned below the riser to prevent a blowout into the riser; and, a wireline subsea blowout preventer control head assembly. A lubricator is lowered into the riser, with the control head assembly attached thereto, and wherein the wireline tool is disposed within the control head assembly. The lubricator is position within the annular preventer. Wireline operations may then be conducted. If a blowout occurs during wireline operations, any pressure would be prevented from entering the riser, and would be contained by the control head assembly. Thereafter, the assembly and lubricator is rigged down.

Abstract: A subsea wellhead assembly has the capabilities of communicating from a tree assembly mounted on an inner wellhead housing to a casing annulus. A passage in the wellhead assembly extends within the bore of the wellhead housing from the casing annulus to the tree assembly. A portion of the passage is located within a casing hanger. The passage is opened and closed by a valve. The valve does not open the passage until the tree assembly is connected to the wellhead housing and a tubing hanger orientation sleeve lands in the wellhead assembly. The tubing hanger orientation sleeve actuates the valve when it lands to open the passage. When the passage is opened, the casing annulus is in fluid communication with the interior surface of the wellhead housing, which is in communication with the tree assembly.

Abstract: The present invention relates to an apparatus and to a method for pre-installation of a petroleum wellhead on the seabed. The apparatus that is the subject of the present invention comprises two principal components: a wellhead (1) and a ballast tube (9). The wellhead comprises a tube in which are fixed guide fins (3) and structural fins (8). The ballast tube (9) comprises a tube with a holding member (12) for its recovery after the wellhead (1) has been fixed on the seabed. The ballast tube (9) is placed inside the wellhead (1) and the assembly is launched towards the seabed, being embedded in it by the inherent weight of the assembly. After the wellhead (1) has been fixed, the ballast tube (9) is raised to the surface.

Abstract: An apparatus for releasably coupling two elements.

Abstract: A latching assembly for a lower collar on an inflatable is provided. After deflation, the lower collar is engaged to the mandrel so that the deflated inflatable can be advanced with other connected downhole equipment, such as screens to be expanded, in a location further downhole without swabbing.

Abstract: The present invention generally provides a reduced downtime maintenance apparatus and method for replacing and/or repairing a subassembly in sealing equipment for oil field use. The invention allows the removal of rotating portions of a rotary drilling head without having to remove non-rotating portions. The reduction in weight and size allows a more efficient repair and/or replacement of a principal wear component such as a packer. Specifically, the packer in a rotary drilling head can be removed independent of bearings and other portions of the rotary drilling head. Furthermore, because of the relatively small size and light weight, the packer can be removed typically without having to use a crane to lift a rotary BOP and without disassembling portions of the drilling platform. In some embodiments, the packer can be removed with the drill pipe without additional equipment. Furthermore, the packer can be removed remotely without necessitating manual disengagement typically needed below the platform.

Abstract: The invention relates to a fire drill and training facility with at least one fire room in which at least one simulation fire, in particular for an item of furniture, an installed object, a piece of equipment or the like is arranged, with a flame generation device actively connected to at least the simulation fire, a smoke generation device with at least one outlet in the fire room, a ventilation device at least for the fire room, an emergency shutdown device at least for the flame generation device and smoke generation device, a parameter determination means and a control and evaluation device actively connected to the flame generation device, smoke generation device, ventilation device, emergency shutdown device and the parameter determination means, in which the parameter determination means comprises a plurality of sensors for determining the behaviour of the fire drill and training facility, in particular the operational functioning of the flame generation device, smoke generation device, ventilation dev

Abstract: Methods for operating a laser scanning system are disclosed. The laser scanning system can be used in construction projects to generate a field survey. An architect or engineer can use the field survey to create construction drawings. In addition, relevant points from the construction drawings can be identified at the construction site with the scanning system. Further, earth moving equipment can be controlled using the same information. The laser scanning system can also be used to determine if two parts can be mated together by scanning and comparing the parts that are to be mated. The laser scanning system can further be used to determine if an object can be moved through an opening in a structure by comparing scan points of the structure with scan points from the object. The laser scanning system can additionally be used to identifying objects within the site, to build databases that have relevant information about the objects, and to guide reproducing machines.

Abstract: A method of controlling the combination of a tractor and an attached implement includes the calibration of a tractor/implement combination to allow for variations in prevailing slip-pull data at progressively increasing implement draft levels. The recorded data is then interpolated at a reference slip value and compared with a series of reference slip-pull curves. The slip-pull curve approximately most closely to the recorded pull value at the reference slip value is then selected for subsequent use in a control algorithm.

Abstract: The self-engaging, solenoid-releasable with manual override, latch is designed for use in a variety of applications. As such, the latch accepts the striker peg of the load when misaligned, and the latch accommodates bouncing, sideways laoding, etc of the load, without springing open.

Abstract: A motor end cap and output device housing is provided that includes a motor end plate having an output device attachment area and a output device housing having a motor end plate attachment area. The output device attachment area includes a locking tab that mates with a slot portion in the output device housing to interlock the two together. As a result, the motor end plate can be conveniently attached to the output device housing without requiring extra fasteners.

Abstract: It is an object of the invention to provide work control system that can prevent an interference of the transmitting signals of the power tools in relation to the work progress. A representative work control system according to the present teachings may include a plurality of power tools and detecting device. Each of the power tools may transmit signals relating to the work progress. The detecting device may detect the work progress of each of the power tools by receiving and detecting the signals transmitted from the respective power tools. The signals relating to the work progress may be transmitted from each power tool several times. Preferably, the transmission intervals may vary among the power tools in order to prevent the signals from being confused.

Abstract: A hand-held electrical combination hammer drill capable of being used both as a drilling hammer and as a chisel hammer, and including an actuation member (17) for actuating an electrical on-off switch of the hammer drill and located on the tool handle switching elements (3, 4) for switching between drilling and chiseling operations, stop elements (5-22) actuated by the switching means (3, 4) for retaining the actuation member (17) in a on-position of the on-off switch upon selection of the chiseling operation, and a stop switch (15) having, upon selection of the chiseling operation, a first position in which the stop switch provides for securing the actuation member (17) in its on-position with the stop elements (5-22), and a second position in which the stop elements occupies a non-operative position in which the actuation member, upon being released, automatically moves into its off-position under an action of a biasing force.

Abstract: A rigid preformed insert is molded into a plastic housing for a power tool. The power tool further comprises a motor having a shaft, the motor being at least partly supported by the insert, and an impact clutch attached to the insert and operatively coupled to the motor shaft. The motor and clutch have a common axis, with the preformed insert located between the motor and the clutch. The insert fixedly secures the axis of the output shaft of the motor. The insert also forms a seal between the motor and clutch. The insert will not warp, distort or otherwise lose tolerance as a result of the molding process for the plastic housing. Further, because the insert is preformed of metal, is precisely orientated within the housing mold, and is permanently molded into the housing, it accurately defines the motor-clutch axis minimizing misalignment of the motor shaft.

Abstract: A pneumatic rotary tool has a housing formed primarily from plastic so that the weight and price of the tool are substantially reduced. The air motor is formed for economic assembly while permitting greater structural stability should the housing deflect under an impact. The tool includes a torque selector which controls the amount of pressurized air allowed to enter the air motor, thereby controlling the torque output of the motor. The user may adjust the torque selector to a number of set positions which correspond to discrete torque values. The tool additionally incorporates early and late stage exhaust ports, so that backpressure within the air motor does not slow motor rotation or decrease tool power.

Abstract: A driving tool includes a block and an impactor received in a front and a rear chambers of a handle, a driving shank attached to the block, and a plunger engaged between the block and the impactor. The impactor includes a cavity formed in one end for selectively receiving the tip of the plunger and for impacting onto the plunger and the block and the driving shank when the tip of the plunger is aligned with and engaged into the cavity of the impactor. The block has a guide device for guiding the block and the driving shank to rotate relative to the handle.

Abstract: Provided herein is a system that comprises re-chargeable batteries which enables a workman to use hand-held power implements having greatly reduced weight over systems of prior art. By minimizing the weight of the hand-held implement, stress on the users hand and wrist which are normally necessary to counterbalance gravitational forces acting on the implement are greatly diminished, thus dramatically reducing the propensity for a workman using such a system to develop carpal tunnel syndrome.

Abstract: The invention is directed to a machine tool, in particular to a hand-operated hammer drill, having a compartment (10) containing lubricant and a device (12, 14, 34) for compensation of the pressure in the compartment (10) in the area of a bearing (16, 18, 36) of a component (20, 22, 54) able to be driven so as to allow rotation.

Abstract: The present invention is directed to a machine tool, in particular to a hand-operated hammer drill, having a compartment (10) containing lubricant in which at least one rotationally drivable component (12) is mounted and having a device (14) for compensating the pressure in the compartment (10), the device having a rotationally drivable centrifugal component (16) which shields at least one pressure-compensation channel (18) disposed downstream from it, in terns of fluid mechanics in the venting direction of the compartment (10).

Abstract: It is an object of the present invention to provide a technique to increase efficiency of the output torque of the blushless motor to drive a power tool. A representative power tool may comprise a tool bit, a brushless motor to drive the tool bit, a battery to operate the brushless motor and a control device. The control device may operate the brushless motor by means of the battery. The control device may include an advance angle controlling section to control an advance angle of the brushless motor. According to the present teachings, the advance angle of the brushless motor may be determined based upon indexes that reflect working condition of the tool bit when the brushless motor is under the operation. By reflecting the working condition of the tool bit to the determination of the advance angle of the brushless motor, the brushless motor can be operated with higher efficiency under the various working condition such as a hard joint operation and a soft joint operation.

Abstract: An integrated radiating enclosure is disclosed. The enclosure housing is formed from a dielectric material with a radiating element formed on the exterior surface of the housing and a groundplane material formed on the interior of the housing. The groundplane provides EMI shielding for the enclosed electronics. The three antenna elements are directly connected to the circuitry of a transceiver system, thereby integrating the transceiver antenna components directly into the transceiver enclosure.

Abstract: A bent metal plate for an electronic device includes a spring arm segment bent from one end of a mounting segment, and an abutting segment bent from the spring arm segment, and cooperating with the mounting segment and the spring arm segment to define a buffer space with an opening. A first shielding segment is bent from the abutting segment to block an upper portion of the opening. A second shielding segment is bent from the other end of the mounting segment to block a lower portion of the opening, cooperates with the first shielding segment to define a gap therebetween, and has a blocking portion extending through the gap and into the buffer space to deny access to the buffer space through the gap.

Abstract: An EMI clip retaining system comprising a flexible EMI clip with a center contact portion that bows upwards and inwards from acute bends situated at the outer ends of the EMI clip and also comprising enlarged end portions that extend flatly inwards from the acute bends. The EMI clip is captively installable in a planar mounting surface with tapered mounting holes through which the enlarged end portions of the EMI clip are inserted, such that once the EMI clip is installed, the enlarged ends of the EMI clip reside on a bottom side of the mounting surface while the center contact portion bows upward from the opposite, top side of the mounting surface. When the center portion is compressed flat against the top side of the mounting surface, the EMI clip lies flat against both the top and bottom sides of the mounting surface.