Abstract: A one-piece generator housing locates and secures the generator stator assembly, rotor bearings, and brush holder, and provides for attachment of the housing assembly to the engine interface. The disclosed one-piece housing completely encloses the stator and rotor assembly of the generator. An embodiment of the one-piece generator housing is applied to welding machine applications that use an in-line engine. With this type of engine, the power take-off (PTO) is normally the engine flywheel, and the variety of engine interfaces to which to mount the generator become more diverse. In an embodiment, the rotor has a flange with integral cooling fan blades that bolts to the flywheel. A shorter adapter is used in order to access the fasteners that attach the rotor shaft to the flywheel. The housing attaches to the adapter using cast-in bosses and bolts.

Abstract: The disclosure relates to a tool storage device for a machine tool having a tool storage unit which can be mounted and displaced on a guide rail of the machine tool and is further designed to receive non-mounted tools for the machine tool.

Abstract: A method for dismantling a steam generator or heat exchanger, such as found in nuclear power plants, which steam generator or heat exchanger includes a plurality of primary circuit tubes with a contaminated inner surface and wherein one or more tubes are sealed with a plug at both end is provided, the method comprising a) opening one or both ends of each sealed tube by creating an opening in or removing, the plug (13); b) introducing a viscous polymer to cure inside the tube wherein the polymer fills the tube across the full tube cross-section at least at the tube ends, immobilizing contaminations in the filled portion inside the tube (11); c) curing the polymer, then detaching the tubes with cured polymer the detached tubes being sealed by the polymer d) sorting out the detached tubes with polymer.

Abstract: A method of removing a metal sleeve from a bore formed in one or more elements is disclosed. The sleeve may be a cold-expanded sleeve secured within the bore by an interference fit. The method includes removing material from the internal surface of the sleeve by a cutter along a line to a depth less than the thickness of the sleeve, and subsequently urging the sleeve from the bore.

Abstract: A hole in a metal and composite stack is cold worked. An interference is formed between a cold working tool and the metal layers results in a radial force that is applied only to the metal layers.

Abstract: Systems, methods and devices for converting existing ice resurfacers to reuse collected ice and snow for further ice resurfacing. The systems, methods and devices allows for efficient, clean and environmental friendly ice resurfacing. The conversion includes the modification and/or replacement of the snow dump tank, main water tank and the installing of heating and power systems. This invention is designed for present machines and for incorporation into future manufacturing of ice resurfacers. While reducing the requirement for large amounts of fresh water, the surface water being pre-heated by two commercial hot water tanks, it also reduces the amount of labour and costs associated with ice resurfacing.

Abstract: A method and arrangement for repairing a leaking point in a plate pack of a plate heat exchanger (1), in which a space between adjacent plate pairs of the plate pack (4), with which the leaking point is in connection, is closed by arranging a separate strip (9) or sealing tape (10) into the space between the plate pairs on the whole length of the outer perimeter of the plate pack.

Abstract: Disclosed is a plant for the production of urea. The plant comprises conventional sections for synthesis and recovery, for evaporation and condensation, for urea finishing, and for dust scrubbing. According to the invention, an additional evaporation and condensation loop is introduced from and to the dust scrubbing section. This loop results in a more favorable energy consumption of the plant.

Abstract: An inspection apparatus for a heat transfer tube is provided in an inspection robot to be fixed to a tube plate surface of a tube plate at which the heat transfer tube is opened and is for inspecting a seal-welded portion at which the heat transfer tube is welded to the tube plate. The inspection apparatus includes: an inserting unit to be inserted into and withdrawn from the heat transfer tube; a detecting unit having detecting unit for detecting the presence or absence of a defect at the seal-welded portion; a rotating mechanism for rotating the detecting unit around a central axis of the inserting unit; and a moving mechanism for moving, with respect to the inspection robot, the inserting unit, the detecting unit, and the rotating mechanism along the central axis for the rotation of the detecting unit.

Abstract: Methods and systems are disclosed with regard to a transition used in air conditioning systems having box evaporator coils. One embodiment includes a method for accessing box evaporator coils. The method may include opening an access panel located on a transition having a first opened end and a second opened end located opposite of the first opened end, wherein the first opened end securably aligns with an opened end of a furnace, and the second opened end securably aligns with one opened end of a box housing the box evaporator coils. Further, the method may include extending a member through the access panel for interacting with the box evaporator coils.

Abstract: According to an installation method of a water-chamber working apparatus of the present invention, the water-chamber working apparatus includes a base that holds heat transfer tubes on a tube plate surface and is fixed to the tube plate surface, and a manipulator that is coupled with the base, suspended in a water chamber and arranged therein, and has a separable configuration. In this case, a base installing step of installing the base on the tube plate surface and a manipulator coupling step of carrying the separated manipulator (a front stage and a rear stage) into the water chamber sequentially and individually and coupling the manipulator with the base (a coupling link) are performed.

Abstract: Provided herein is a supplemental heating element that may be inserted into a tank of a residential or commercial hot water heater. A collar of the supplemental heating element engages a threaded inlet or outlet of the hot water heater and provides a flow path into or out of the hot water heater while the supplement element is suspended within a tank of the hot water heater.

Abstract: An improved, energy-efficient HVAC system and method of use employing a solution that is run parallel to refrigerant lines in a chiller unit. The solution is directed through the chiller unit through its proximity to chilled refrigerant wherein the chilled solution, rather than refrigerant, enters an air handler or an air pump and used to adjust the air temperature to a desired level. The system and method permits the place of a refrigerant based system external an enclosed building and a non refrigerant based system position internal the enclosed building.

Abstract: A method of manufacturing a heat exchanger includes forming elongated holes in two connection walls among a plurality of connection walls to be laminated, and forming paired notches on a claw forming portion of the remaining connection wall facing the elongated holes. A longitudinally intermediate portion of the claw forming portion is pressed toward the other end to break the claw forming portion at the longitudinal center and bend the claw forming portion at the notches to thereby form two claws forming pieces and form bent portions at the distal ends of the claws forming pieces. The claws forming pieces are bent at the notches to form claws. Distal end portions of the claws are bent outward to form fold-back portions, which are engaged with the outer surface of the connection wall at the other end, whereby all the connection walls are provisionally fixed together.

Abstract: An energy recovery apparatus for use in a refrigeration system, comprises an intake port, a nozzle, a turbine and a discharge port. The intake port is adapted to be in fluid communication with a refrigerant cooler of a refrigeration system. The nozzle comprises a fluid passageway. The nozzle is configured to reduce temperature and pressure of refrigerant discharged from the refrigerant cooler and increase velocity of the refrigerant as it passes through the fluid passageway. The turbine is positioned relative to the nozzle and configured to be driven by refrigerant discharged from the fluid passageway. The discharge port is downstream of the turbine and is configured to be in fluid communication with an evaporator of the refrigeration system.

Abstract: A method of rebuilding a salvaged EGR coolers is disclosed in which the existing heat exchanger elements are removed from the salvaged stock EGR cooler housing and replaced with a heat exchanger element made from a pair of heat exchanger tube sub-assemblies. Each of the heat exchanger tube sub-assemblies includes an end plate with a selected number of attached tubes and a selected number of bores, which are adapted to receive the ends of the tubes attached to the other tube sub-assembly. The tube sub-assemblies are mated together with the free ends of the tubes received into the bores of the opposite end plate. Exhaust fittings are then welded to the ends of the housing.

Abstract: A reactor including a monolith having a plurality of fins in an annular arrangement for receiving fluid flow through the reactor. The monolith is disposed within a generally cylindrical outer tube, and around a corrugated inner tube. The reactor includes a device for urging the monolith radially outward, so as to maintain contact between the monolith and the outer tube.

Abstract: An apparatus for facilitating servicing of a liquid-cooled electronics rack is provided. The apparatus includes a coolant tank, a coolant pump in fluid communication with the coolant tank, multiple parallel-connected coolant supply lines coupling the coolant pump to a coolant supply port of the apparatus, and a coolant return port and a coolant return line coupled between the coolant return port and the coolant tank. Each coolant supply line includes a coolant control valve for selectively controlling flow of coolant therethrough pumped by the coolant pump from the coolant tank. At least one coolant supply line includes at least one filter, and one coolant supply line is a bypass line with no filter. When operational, the apparatus facilitates filling of coolant into a cooling system of a liquid-cooled electronics rack by allowing for selective filtering of coolant inserted into the cooling system.

Abstract: An energy recovery apparatus for use in a refrigeration system, comprises an intake port, a nozzle, a turbine and a discharge port. The intake port is adapted to be in fluid communication with a condenser of a refrigeration system. The nozzle comprises a fluid passageway. The nozzle is configured to expand refrigerant discharged from the condenser and increase velocity of the refrigerant as it passes through the fluid passageway. The turbine is positioned relative to the nozzle and configured to be driven by refrigerant discharged from the fluid passageway. The discharge port is downstream of the turbine and is configured to be in fluid communication with an evaporator of the refrigeration system.

Abstract: A kit and method for converting a refurbishing machine into a reforming apparatus. The apparatus reforms a portion of a plastic container using induction heating. The kit includes a reform heating assembly that achieves a temperature of above about 500° F., heats the container via radiant and convection heating without contacting the container, and has a power and thermocouple connection to a first controller. The kit also includes a reform cooling assembly that has a forming die which contacts and reforms the container portion, a support housing a Peltier thermoelectric cooler, a heat sink facilitating heat transfer away from the forming die, and a power and thermocouple connection to a second controller. The method includes the steps of replacing heating assemblies of the refurbishing machine with the reform heating assembly and the reform cooling assembly, respectively, using the existing equipment utilities of the refurbishing machine.

Abstract: Method for repairing and/or checking a refrigerating installation accommodated in a tank which is closed in a permanently pressure-tight manner, includes the steps of cutting the tank open at at least one predetermined severing location, repairing and/or checking the installation located in the tank, and closing the tank at the severing location by an integral connection.

Abstract: A method for repairing a plate heat exchanger of the type comprising a plurality of plates which, together with side bars arranged on the plates, define fluid flow paths is presented.

Abstract: A reactor installation tool and method for installing a reactor unit in a reactor tube. A reactor installation tool including a movable assembly and a fixed assembly linked together such that the movable assembly can be adjusted relative to the fixed assembly. The movable assembly including a reactor sleeve attachment means for releasably securing a reactor sleeve loaded with a reactor unit to the tool. The fixed assembly including an expandable clamping unit for releasably securing the tool to a reactor tube. A reactor unit can be installed in the reactor tube by adjusting the movable assembly to extract the reactor unit from the reactor sleeve as the fixed assembly is rigidly secured to the reactor tube. The fixed assembly can be released from the reactor tube and the reactor installation tool can be removed from the reactor tube.

Abstract: An insert tube is used for the repair or improvement of a pre-heating tube for air arranged in an exhaust gas pathway of a fuel burner. A pre-determined radial gap exists between the outer surface of the insert tube and the inner surface of the pre-heating tube for air such that the insert tube can be slid into the pre-heating tube for air. The insert tube is provided in the vicinity of each end with at least one groove that runs around its circumference. In the groove there is arranged at least one sealing ring of an elastic material. The sealing ring mounted in the groove has an external diameter that exceeds the internal diameter of the preheating tube for air. The sealing ring forms a seal against the inner surface of the pre-heating tube for air and prevents leakage through the sealing ring.

Abstract: A water boiling chamber for a steam humidifier may include an enclosure having a water volume and scale collection surfaces that are exposed to water in the enclosure. The scale collection surfaces may have a scale collection surface area that is at least two times greater than a reference surface area, where the reference surface area is defined as the surface area of a sphere having a volume equal to the water volume of the enclosure. Scale collection surfaces may be part of the enclosure and project into an interior of the enclosure. Alternatively, or in addition, one or more scale collectors may be disposed within the enclosure. Methods for capturing scale in a steam humidifier are also described.

Abstract: A furnace repair device and method therefore is accomplished by including pipe of suitable length and strength to have at least one swedged end permitting assembly in female to male relationship, which permits a proper securing of the replacement pipe in a desired position in the heat exchanger.

Abstract: A heat transfer tube repairing apparatus including a wire that is flexible and is insertable into a heat transfer tube, a sleeve that is fixed to a predetermined position in the longitudinal direction of the wire, a pair of pressing members that is provided at the front and rear sides of the sleeve in the longitudinal direction of the wire and is able to press the inner surface of the heat transfer tube, and operation members that are able to move the pressing members between a pressing position where the pressing members press the inner surface of the heat transfer tube and a separating position where the pressing members are separated from the inner surface of the heat transfer tube.

Abstract: In a heat exchanger of the present invention, a release port for, in a case where a fluid flows into an internal space, releasing the fluid to an exterior is provided in a protection unit main body of each of protection units arranged on both outer sides of a heat exchange unit, and a protection unit fin plate of the protection unit has such strength that a coupling state between an outer surface of an outermost-layer partition plate and a bonding plate of the protection unit main body facing the outer surface is maintained even in a case where an inner pressure set as a design pressure for a part of the heat exchange unit constituting an outermost-layer flow passage adjacent to the protection unit is applied to the internal space of the protection unit main body of the protection unit.

Abstract: A rapper device for cleaning a heat exchange surface in a pressure vessel by transmitting impact energy. The rapper device includes a striker and an impacting device for impacting the striker which has one end contacting the heat exchange surface in the pressure vessel. The striker includes a piston section having a piston rod projecting out of the pressure vessel via a passage opening in line with the impacting device. A piston head is slideable within a piston chamber in line with the passage opening. The piston chamber is operatively connected to a sealing gas supply. The piston head is a separate part with an aperture. The piston rod runs through the aperture, e.g., in a slideable arrangement.

Abstract: A refrigeration, air conditioning or other cooling system is disclosed. The refrigeration system includes a refrigerant storage tank fluidly connected to a refrigerant expansion device which is fluidly connected to a refrigerant evaporator for absorbing ambient heat, a refrigerant vapor compressor fluidly connected to the refrigerant evaporator and a refrigerant condenser fluidly connected to the refrigerant compressor and the refrigerant storage tank. A liquid refrigerant pump and eductor are included in the system along with a refrigerant receiving tank and associated controls that maintain the appropriate Net Positive Suction Head at the inlet to the pump along with proper flow and pressure control in the system.

Abstract: A rapid startup heat recovery steam generator (HRSG) comprises a gas inlet, a high pressure section, an optional intermediate pressure section, an optional low pressure section, and a gas outlet. At least one of the pressure sections includes a vertical steam separator.

Abstract: A method and a rapper device for cleaning a heat exchange surface in a pressure vessel. The rapper device includes 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 includes 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: A seal comprising a high temperature silicone adhesive sealant layer; a first non-ceramic layer mounted to the silicone adhesive sealant layer; a first expanded metal layer mounted to the first non-ceramic layer; a first silicone cloth layer mounted to the first expanded metal layer; a metal reinforcement layer mounted to the first silicone cloth layer to provide structural integrity without the use of ceramic materials; a second expanded metal layer mounted to the metal reinforcement layer; a second non-ceramic layer mounted to the second expanded metal layer; a turbine mesh layer mounted to the second non-ceramic layer; a second silicone cloth layer mounted to the turbine mesh layer; a sealing castable applied over the second silicone cloth layer to provide a covering; and, a high temperature bonding adhesive disposed between each layer following the first non-ceramic layer to bind the layers together.

Abstract: A method for dismantling a furnace having a multilayered refractory structure including: a furnace shell; a containing layer that is formed of a containing refractory that contains asbestos, and covers the inner side of the furnace shell; and a multilayered non-containing layer that is formed of a non-containing refractory that contains no asbestos, and covers the inner side of the containing layer, the method includes: a primary dismantling process; and a secondary dismantling process conducted after the primary dismantling process. In the primary dismantling process, the non-containing layer is dismantled from a furnace-core side thereof but the containing layer and at least one layer of the layers forming the non-containing layer, which is in contact with the containing layer, are left as a remnant. In the secondary dismantling process, the remnant is dismantled while asbestos measures are implemented.

Abstract: A plate heat exchanger comprising a set of heat exchanger plates arranged between a frame plate and a pressure plate. A guide bar guides the set of heat exchanger plates and the pressure plate relatively the frame plate, a tightening member is arranged on the guide bar and a plate engager is arranged intermediate the tightening member and the pressure plate for allowing the tightening member to press the pressure plate in a direction towards the frame plate. The plate engager is releasable and the tightening member is configured to protect the guide bar, such that the pressure plate may move in a direction from the frame plate and past the tightening member when the plate engager is released. A related method is also described.

Abstract: A tubular reactor for carrying out a catalytically supported, homogeneous chemical reaction in the gas phase at an elevated temperature and a subsequent cooling, wherein the reactor is arranged upright, and therefore the tubes extend vertically and the as flows downward through the tubes. The tubes are filled with a catalyst bed in the upper part thereof extending in the reaction zone of the reactor and are filled with a structured packing in the lower part, the cooling zone of the reactor.

Abstract: According to various aspects, exemplary embodiments are disclosed in which thermal insulation is used to provide a thermal break and/or thermally insulative barrier generally between a body and flange assembly of a gas water heater control. An exemplary embodiment of a valve assembly for a water heater generally includes a flange, a body, and a thermal insulator. The thermal insulator is configured for placement generally between the body and the flange. The thermal insulator has a lower thermal conductivity than the flange and the body. The thermal insulator is operable for inhibiting heat loss from within the storage tank through the valve assembly.

Abstract: Provided herein are systems and methods directed to using renewable energy sources with hot water heating systems.

Abstract: A heat exchanger assembly and method of servicing is described and illustrated, and in some embodiments includes a pair of core units in an end-to-end arrangement, and a fluid tank arranged between the core units. Each core unit includes air fins arranged in parallel with one another and spaced apart in a core stacking direction, and parallel arranged fluid conveying tubes located between and bonded to adjacent air fins. The fluid tank includes a first end sealingly attached to a header plate of one core unit and a second end sealingly attached to a header plate of the other core unit. The fluid tank can be crimped to adjacent core units, and can be located entirely within the core stacking direction outermost boundaries of at least one of the core units.

Abstract: A system and a method for promoting improved air flow through a cooling tower and reduced inner air pressure losses caused by rain in the rain zone of a cooling tower. Aerodynamic modules are mounted on the lower edge of the cooling tower shell in order to deflect the downward-flowing air about the lower edge of the tower shell and into the rain zone. The aerodynamic modules can be modularly mounted, can be replaced, and do not affect the statics of the tower shell. Aerodynamic modules can also be built on the base area to deflect the incoming air over any obstacles. Troughs or dripping elements can also promote flow by reducing the rain falling in an outer area.

Abstract: A cooling device for cooling electronic components includes a base plate, a power source, and a cooling module. The cooling module includes a cooling sheet and a thermal conductive base. The cooling sheet includes a hot surface and a cooling surface. The thermal conductive base is located above the cooling surface of the cooling sheet, and configured to support electronic components on a printed circuit board and transfer heat between the electronic components and the cooling surface. When the cooling sheet is powered on, the cooling surface is in a constant state of low temperature. Due to the heat transfer between the cooling surface and the thermal conductive base, heat from the electronic components can be transferred from the thermal conductive base to the cooling surface continuously.

Abstract: A seal comprising a high temperature silicone adhesive sealant layer; a first non-ceramic layer mounted to the silicone adhesive sealant layer; a first expanded metal layer mounted to the first non-ceramic layer; a first silicone cloth layer mounted to the first expanded metal layer; a metal reinforcement layer mounted to the first silicone cloth layer to provide structural integrity without the use of ceramic materials; a second expanded metal layer mounted to the metal reinforcement layer; a second non-ceramic layer mounted to the second expanded metal layer; a turbine mesh layer mounted to the second non-ceramic layer; a second silicone cloth layer mounted to the turbine mesh layer; a sealing castable applied over the second silicone cloth layer to provide a covering; and, a high temperature bonding adhesive disposed between each layer following the first non-ceramic layer to bind the layers together.

Abstract: A method of salvaging a scrap partially completed spine fin coil by initially placing the partially completed coil on a reel. Connecting an end of a straight tube that is helically wrapped with a spine fin strip to an end of the partially completed coil while said partially completed coil is on the reel, rotate the reel after completing the connection until the partially completed spine fin coil is complete.

Abstract: A method for retrofitting a pulverized coal boiler in an air combustion boiler system is disclosed, which has a plurality of burners over a plurality of stages along the vertical direction on a wall surface of a furnace of the pulverized coal boiler and an after-air port for introducing air for two-stage combustion located above the burners to retrofit into a two-stage combustion pulverized coal boiler in an oxyfuel combustion boiler system.

Abstract: Apparatus and method for facilitating servicing of a liquid-cooled electronics rack are provided. The apparatus includes a coolant tank, a coolant pump in fluid communication with the coolant tank, multiple parallel-connected coolant supply lines coupling the coolant pump to a coolant supply port of the apparatus, and a coolant return port and a coolant return line coupled between the coolant return port and the coolant tank. Each coolant supply line includes a coolant control valve for selectively controlling flow of coolant therethrough pumped by the coolant pump from the coolant tank. At least one coolant supply line includes at least one filter, and one coolant supply line is a bypass line with no filter. When operational, the apparatus facilitates filling of coolant into a cooling system of a liquid-cooled electronics rack by allowing for selective filtering of coolant inserted into the cooling system.

Abstract: A seal comprising a high temperature RTV silicone adhesive sealant layer; a first non-ceramic layer mounted to the RTV silicone adhesive sealant layer; a first expanded metal layer mounted to the first non-ceramic layer; a first silicone cloth layer mounted to the first expanded metal layer; a metal reinforcement layer mounted to the first silicone cloth layer to provide structural integrity without the use of ceramic materials; a second expanded metal layer mounted to the metal reinforcement layer; a second non-ceramic layer mounted to the second expanded metal layer; a turbine mesh layer mounted to the second non-ceramic layer; a second silicone cloth layer mounted to the turbine mesh layer; a sealing castable applied over the second silicone cloth layer to provide a covering; and, a high temperature bonding adhesive disposed between each layer following the first non-ceramic layer to bind the layers together.

Abstract: Devices and methods for retrofitting a natural gas liquids plant are contemplated to extend recovery of C3+ hydrocarbons from various feed gases to recovery of C2+ and C3+ hydrocarbons. In especially preferred aspects, dedicated C2+ exchangers are integrated to exclusively cool the feed gas to produce a cooled absorber feed and to produce two separate absorber reflux streams. During C2+ recovery, absorber reflux is provided by a portion of the residue gas and a portion of the feed gas, while during C3+ recovery absorber and distillation column reflux are provided by the distillation column overhead product.

Abstract: A subsea electronics module or pressure bottle with greatly enhanced capabilities for conducting heat away from internal electronics boards by means of an adjustable heat conduction wedge system.

Abstract: A gas-fired water heater includes a pilot assembly that provides a pilot flame deflector. The pilot flame deflector causes the pilot flame to surround a hot junctions end of a thermopile. The flame deflector does not cover a cold junctions end of the thermopile, such that the cold junctions are ventilated. A temperature differential between the hot and cold junctions is increase by ventilating the cold junctions and surrounding the hot junctions with the pilot flame. The temperature differential is further increased by radiant and convective heat applied to the hot junctions as a result of the flame deflector.

Abstract: A method and device for reducing sulfidation corrosion and depositional fouling in heat transfer components within a refining or petrochemical facility is disclosed. The heat transfer components are formed from a corrosion and fouling resistant steel composition containing a Cr-enriched layer having a surface roughness of less than 40 micro inches (1.1 ?m) and a protective layer formed thereon.