Abstract: A heat exchanger comprising at least one pipe (1) and at least one lamina (2), for exchanging heat between a first coolant that flows through the pipe (1) and a second coolant that wets the heat exchanger under the influence of centrifugal forces in order to be cooled and to be available to further cool a rotating machine element (3) that is situated in a housing (4). The heat exchanger is of approximately ring-shaped design, essentially surrounds the rotating machine element (3) and is integrated into the housing (4).

Abstract: A gas turbine combustor including: a primary combustion chamber; a secondary combustion chamber downstream of the primary combustion chamber; a venturi having a venturi throat; a transition piece; a cap assembly attached to the primary combustion chamber, and an external turbulator member in operable communication with the cap assembly, wherein the primary combustion chamber includes a mixing hole arrangement for improving homogeneity of an air and fuel mixture in the combustor; the venturi throat is disposed within a predetermined distance upstream from the downstream end of the primary combustion chamber; the transition piece is composed of a duct body, with a plurality of dilution holes formed in the duct body; and the external turbulator member includes a step positioned at the second end of the centerbody, the step defining a radial distance about the second end of the centerbody.

Abstract: A turbomachine includes a combustor assembly, a cap assembly attached to the combustor assembly, a centerbody within the cap assembly, a wall of the centerbody having a first end, a second end and an intermediate portion, and an external turbulator member in operable communication with the cap assembly. The external turbulator member is spaced from the wall to form a passage defined by a gap between the wall of the centerbody and the external turbulator. The external turbulator member includes a step positioned at the second end of the centerbody. The step defines a radial distance about the second end of the centerbody. The external turbulator member is formed having a step-to-gap ratio relative to the centerbody in a range of about 0.8 to about 1.2.

Abstract: A compound heat exchanger includes a plurality of adjacent, continuous fins. Each fin defines a channel having an associated fin axis. A first portion of each channel extends along the axis, and a second portion of each channel is tortuous in opposing directions about the axis.

Abstract: Provided is a temperature adjusting mechanism, which can keep deviation of a temperature of a portion in contact with the temperature adjusting mechanism to be small by controlling the temperature accurately at a high speed. A semiconductor manufacturing apparatus using such temperature adjusting mechanism is also provided. A cooling jacket (6) is provided with a cooling channel (61), and a heat lane (62). The heat lane (62) is provided with a heat receiving section (63), and a heat dissipating section (64), and seals a two-phase condensable working fluid (hereinafter referred to as the working liquid) in an annular narrow tube alternately folds back and forth therebetween. The heat dissipating section (64) is a portion to be cooled by the cooling channel (61), and the heat receiving section (63) is a portion having a temperature higher than that of the heat dissipating section (64).

Abstract: A furnace panel leak monitoring and control system for fluid-cooled panels in high temperature industrial furnaces such as, for example, smelting furnaces, blast furnaces and electric arc furnaces. The system performs at least two and up four functions simultaneously. At minimum, the system includes one or more temperature sensors received within the body of the panel to monitor temperature within the metal of the panel itself, and pressure sensors installed proximate the inlet and outlet of each panel coolant fluid circuit, which circuits are preferably periodically automatically tested, to check for leaks in the coolant circuits. In addition, the system preferably includes temperature and flow sensors for monitoring the furnace panel coolant circuit(s) for temperature and flow fluctuations, respectively, which may be indicative of leaking cooling circuits. The system triggers visual and/or audible alarm means to alert a human operator of an apparent coolant fluid leak situation.

Abstract: A cooling manifold and a method for manufacturing the cooling manifold are provided. The cooling manifold includes a housing that defines an interior region having a serpentine flow path therein. The housing has a first plurality of grooves extending from a first surface of the housing into the housing. The grooves do not fluidly communicate with the interior region. The first plurality of grooves receive a portion of a thermally conductive member therein to conduct heat energy from the thermally conductive member to the housing. The cooling manifold further includes a top cap configured to seal a first end of the housing and a bottom cap configured to seal a second end of the housing.

Abstract: A heat exchanger system includes a duct having a duct wall with a duct wall outer surface and a duct wall inner surface; and a heat exchanger partial shell hermetically joined to the duct wall inner surface. The heat exchanger partial shell and a shell portion of the duct wall inner surface constitute a heat exchanger. A heat exchanger inlet manifold is defined by a nonplanar inlet sheet of material hermetically joined to the duct wall outer surface. A heat exchanger outlet manifold is defined by a nonplanar outlet sheet of material hermetically joined to the duct wall outer surface. A heat exchanger inlet opening extends through the duct wall between the inlet manifold and the heat exchanger, and a heat exchanger outlet opening extends through the duct wall between the outlet manifold and the heat exchanger.

Abstract: A method for modifying the processing capabilities of a container. The method includes providing a container that defines a cavity and comprises a wall. The wall defines at least a portion of the cavity and has thermal energy transfer characteristics. At least one of the thermal energy transfer characteristics comprises a first value. Changing the first value of the one thermal energy transfer characteristic to a second value for at least a first portion of the wall, the second value being different from the first value.

Abstract: A heat exchanger panel for a surface of a room, the panel having plate-type heat exchanger elements and having a heat exchanger pipe. The heat exchanger elements include two main surfaces facing away from each other and a peripheral surface linking the main surfaces, a fiber mat and a thin plaster layer. The plaster layer adheres to the fiber mat and the heat exchanger pipe extends at least partially within the plaster layer. The pipe has at least two connections in the area of the peripheral surface.

Abstract: A catalytic reactor including a heat exchanger and a method are provided for transferring heat to a coolant and a reaction fluid. The catalytic reactor includes a reaction fluid flow path, a reaction region, and a coolant flow path. A reaction fluid catalytically reacts at a surface area in the reaction region thereby generating heat. The heat is transferred to a coolant and the reaction fluid based on the coolant and reaction fluid convective heat transfer coefficients respectively. In one embodiment, the ratio of the coolant convective heat transfer coefficient to the reaction fluid heat transfer coefficient is at least 5:1.

Abstract: A reaction vessel which includes internally placed temperature controlling mixing baffles in which liquid is boiled, resulting in an isothermal heat sink. The energy of vaporization is supplied by the reaction vessel contents. The vapor produced by the boiling may be directed to channel coils which surround the outside of the reaction vessel wall. The channel coils contact the outside wall of the reaction vessel perpendicularly, and provide mechanical support for the reaction vessel. The mechanical support from the channel coils allows for a decrease in the thickness of the reaction vessel wall and corresponding increased heat transfer efficiency between the channel coil contents and the reaction vessel contents. The entire above described apparatus is enclosed within an evacuated shell to provide additional insulation.

Abstract: A coolant-conducting element with an enclosed, linearly extending hollow profiled body, having an exterior wall with a multitude of access openings spaced apart from each other in a longitudinal direction and open or closed but can be opened, toward a conduit arrangement located in the interior. The conduit arrangement has an inflow conduit and an outflow conduit to each of which a number of access openings are assigned. A coolant-conducting arrangement with such a coolant-conducting element is also disclosed.

Abstract: A heat exchange apparatus of a high-load bottom-up-type condensing gas boiler is disclosed. In the gas boiler system having a ventilator attached to a lower part of a combustion chamber, the heat exchange apparatus structured in such a manner that a Venturi path for achieving a high-pressure and high-velocity flow of exhaust gas is mounted in an exhaust duct formed between a sensible heat exchanger in which first heat exchange is performed and a latent heat exchanger to which firstly heat-exchanged exhaust gas is flown, so that the sensible heat exchanger and the latent heat exchanger are perfectly independent from the exhaust gas after combustion.

Abstract: A supporting body within an isothermal plate includes a flat plate having two surfaces, and a plurality of bosses and pits arranged on both surfaces of the plate. The plate is provided thereon with a plurality of through holes. The though holes are located between the bosses and pits respectively. A portion of the bosses and pits protrudes from one surface of the plate, and the other portion thereof protrudes from the other surface of the plate.

Abstract: A cooling jacket resistor includes a passageway incorporated into a wall and across the entire inside length of a cooling jacket from an inside of the cooling jacket. The passageway may include at least one sump and may have a depth that inclines from a first to a second end. The cooling jacket resistor may be positioned at the lowest point of the cooling jacket when installed in an electrical motor/generator. The cooling jacket resistor may collect condensed refrigerant in liquid form and may transport the condensed refrigerant towards a drain port by gravity. The condensed refrigerant may then be drained from the cooling jacket resistor through the drain port. The cooling jacket resistor may be suitable for, but not limited to, applications in electric motors or generators that uses vapor as a coolant, for example, two-stage refrigerant cooled vapor cycle compressors.

Abstract: The present invention discloses a hybrid combustor, such as an anode tailgas oxidizer (ATO), for fuel processing applications which combines both flame and catalytic type burners. The hybrid combustor of the present invention combines the advantages of both flame and catalytic type burners. The flame burner component of the hybrid combustor is used during start-up for the preheating of the catalytic burner component. As soon as the catalytic burner bed is preheated or lit off, the flame burner will be shut off. Optionally, the hybrid combustor may also include an integrated heat recovery unit located downstream of the catalytic burner for steam generation and for the preheating of the feed for a reformer, such as an autothermal reformer.

Abstract: An evaporator with a plurality of tubes which extend through the shell. The plurality of tubes have first respective tubes and second respective tubes, the second respective tubes being proximate to and laterally displaced from the first respective tubes. A generally vertical partition is positioned to direct the flow of the process fluid through the plurality of tubes in a generally sideways pattern.

Abstract: The invention relates to an exhaust system for internal combustion engines, especially for use in motor vehicles, comprising an exhaust gas purifying device and a temperature control device disposed in the exhaust path between the internal combustion engine and the exhaust gas purifying device, said temperature control device being provided with a heat exchanger. In order to simplify the construction of such an exhaust system and to achieve a defined cooling capacity, the heat exchanger is configured as a radiation cooler with internal radiation sheets radiating the energy towards the housing.

Abstract: Improvement, in hydraulic systems, such as for vehicle transmissions and the like, in the form of a hydraulic reservoir with integrated heat exchanger having fluid supply/return and fluid return ports, including a central section, having inner and outer shell portions with a first gap therebetween, the outer shell being provided with a plurality of radially-spaced, external cooling fins, longitudinally-directed for the length of the central section; the ends of the latter being closed off via respective bottom and top cap portions, thereby defining a central fluid cavity, the top cap portion having spaced outer and inner cap portions, with a second gap therebetween, with a fluid inlet port, in the outer cap portion, directing incoming fluid from the second gap into and through the entire length of the first gap before entering the central fluid cavity, thereby maximizing heat transfer from the fluid via the plurality of cooling fins.

Abstract: In a heat exchanger plate freedom of design of the flow channel is improved. A flat main body on a surface of which is formed at least one first groove having a rectangular cross-sectional shape, and a second groove having a rectangular cross-sectional shape that is narrower than the first groove, and that is formed following along opposite side faces of the first groove at a center of a bottom face of the first groove; and a flat cover which covers an entire surface of the main body, and on a rear face of which is formed a protrusion whose top face contacts a bottom face of the first groove and whose opposite side faces contact opposite side faces of the first groove, when the cover is superposed on the surface of the main body, and which forms a flow channel by means of a top face thereof and the second groove, are joined by friction stir welding.

Abstract: A heat exchanger system includes a duct having a duct wall with a duct wall outer surface and a duct wall inner surface; and a heat exchanger partial shell hermetically joined to the duct wall inner surface. The heat exchanger partial shell and a shell portion of the duct wall inner surface constitute a heat exchanger. A heat exchanger inlet manifold is defined by a nonplanar inlet sheet of material hermetically joined to the duct wall outer surface. A heat exchanger outlet manifold is defined by a nonplanar outlet sheet of material hermetically joined to the duct wall outer surface. A heat exchanger inlet opening extends through the duct wall between the inlet manifold and the heat exchanger, and a heat exchanger outlet opening extends through the duct wall between the outlet manifold and the heat exchanger.

Abstract: An installation for very long term storage of products emitting a high thermal flux. The installation comprises a container (14), in which the products to be stored are placed, and an evaporator (22) surrounding the container, to evacuate the heat through a heat-pipe effect. The evaporator (22) comprises a jacket (28), pipes (32) integral with the jacket and filled with a coolant fluid such as water, and a system for tightening the evaporator (22) on the container (14). The arrangement is such that the evaporator (22) is not maintained in close contact with the container (14) except in front of the pipes (32). Advantageously, channels (42) are provided for air circulation by natural convention between the evaporator (22) and the container (14), on both sides of the pipes (32).

Abstract: Disclosed is a built-in refrigerator provided in a sink and effectively discharging heat from a condenser and a compressor. The built-in refrigerator includes a cabinet provided in the sink and a component chamber at a rear bottom thereof and a dust guard provided at a front bottom of the cabinet; a compressor provided in the component chamber; a condenser provided under a bottom surface of the cabinet; a ventilating passage communicating the component chamber with a bottom of the cabinet and outside of the dust guard for discharging heat generated from the condenser and the compressor to outside; and a cooling fan provided in the component chamber for cooling the compressor and the condenser.

Abstract: Disclosed is a built-in refrigerator provided in a sink and effectively discharging heat from a condenser and a compressor. The built-in refrigerator includes a cabinet provided in the sink and a component chamber at a rear bottom thereof and a dust guard provided at a front bottom of the cabinet; a compressor provided in the component chamber; a condenser provided under a bottom surface of the cabinet; a ventilating passage communicating the component chamber with a bottom of the cabinet and outside of the dust guard for discharging heat generated from the condenser and the compressor to outside; and a cooling fan provided in the component chamber for cooling the compressor and the condenser.

Abstract: A heating apparatus is provided that is optimized in terms of its heating efficiencies and wind proofing against flame out. The heating apparatus includes a heating head and a burner assembly for igniting fuel from a fuel source. The heating head has a dual-walled construction to form several flue chambers with the inner wall preferably being insulated to maximize heat transfer to the outer wall from combustion gases flowing through the flue chambers. The flue chambers can also be formed to be substantially isolated from each other and configured to generate turbulent gas flow therein for maximum heat transfer to the outer wall.

Abstract: Disclosed is a built-in refrigerator provided in a sink and effectively discharging heat from a condenser and a compressor. The built-in refrigerator includes a cabinet provided in the sink and a component chamber at a rear bottom thereof and a dust guard provided at a front bottom of the cabinet; a compressor provided in the component chamber; a condenser provided under a bottom surface of the cabinet; a ventilating passage communicating the component chamber with a bottom of the cabinet and outside of the dust guard for discharging heat generated from the condenser and the compressor to outside; and a cooling fan provided in the component chamber for cooling the compressor and the condenser.

Abstract: A reaction vessel which includes internally placed temperature controlling mixing baffles in which liquid is boiled, resulting in an isothermal heat sink. The energy of vaporization is supplied by the reaction vessel contents. The vapor produced by the boiling is directed to channel coils which surround the outside of the reaction vessel wall. The channel coils contact the outside wall of the reaction vessel perpendicularly, and provide mechanical support for the reaction vessel. The mechanical support from the channel coils allows for a decrease in the thickness of the reaction vessel wall and corresponding increased heat transfer efficiency between the channel coil contents and the reaction vessel contents. The entire above described apparatus is enclosed within an evacuated shell to provide additional insulation.

Abstract: Disclosed is a built-in refrigerator provided in a sink and effectively discharging heat from a condenser and a compressor. The built-in refrigerator includes a cabinet provided in the sink and a component chamber at a rear bottom thereof and a dust guard provided at a front bottom of the cabinet; a compressor provided in the component chamber; a condenser provided under a bottom surface of the cabinet; a ventilating passage communicating the component chamber with a bottom of the cabinet and outside of the dust guard for discharging heat generated from the condenser and the compressor to outside; and a cooling fan provided in the component chamber for cooling the compressor and the condenser.

Abstract: The present invention concerns a cooling cover (10) comprising cooling tubular armatures (34) applied against said cooling cover or against an existing cover. The cooling cover is characterized by a sandwich-type assembly of dry-process manufactured upper and lower firestop plates (16, 26) of gypsum plasterboard or plaster mold, separated by spacers (22) so as to form plane cavities (24) where the cooling tubular armatures (16) are situated, the upper plates (16) preferably being provided with a firestop spacer or a heat reflecting layer, for instance an aluminum foil. In an other embodiment, the tubes of the cooling armature are embedded in a sealing material, resulting in a plate being placed either against the lower surface of the dry-process manufactured upper plates or against segments of this surface.

Abstract: The present invention relates to a heat exchanger panel which has broad utility in high temperature environments. The heat exchanger panel has a first panel, a second panel, and at least one fluid containment device positioned intermediate the first and second panels. At least one of the first panel and the second panel have at least one feature on an interior surface to accommodate the at least one fluid containment device. In a preferred embodiment, each of the first and second panels is formed from a high conductivity, high temperature composite material. Also, in a preferred embodiment, the first and second panels are joined together by one or more composite fasteners.

Abstract: Disclosed is a refrigerator comprising an outer casing defining an outer appearance thereof, and an inner casing accommodated in the outer casing, forming a storage chamber, further comprising a heat pipe unit having an evaporator pipe disposed to surround at least one portion of the inner casing, forming a refrigerant path, a heater pipe disposed in parallel with the evaporator pipe, and a connection part connecting the evaporator pipe and the heater pipe, enabling a heat transfer therebetween. With this configuration, there is provided a refrigerator enhancing cooling, ripeness and defrost performances and the productivity.

Abstract: A process and apparatus cools a heat exchange type reaction zone by passing the incoming reactants through heat exchange channels in heat exchange relationship with the reaction zone. The invention simplifies the operation and construction of the heat exchanging type reaction zone by directly communicating reaction channels that contain the reaction with the heating channels that heat reactant across an open manifold located at the end of the channels. Additional reactants, cooling fluids, or other diluents may enter the process directly through the manifold space to permit further temperature control of the reaction zone. The invention promotes better heat transfer efficiency than tube and shell heat transfer arrangements that have been used for similar purposes. The narrow channels are preferably defined by corrugated plates. The reaction channels will contain a catalyst for the promotion of the primary reaction.

Abstract: The invention relates to a reactor vessel and method for the gasification of carbon-containing fuel, residual and waste materials using an oxygen-containing oxidizing agent and in a reaction chamber which is designed as an entrained-bed reactor, at pressures between ambient pressure and 80 bar, preferably between ambient pressure and 30 bar, the contour of the reaction chamber being delimited by a cooling system, and the pressure in the cooling system always being held at a higher level than the pressure in the reaction chamber, and the cooling system withstanding the maximum possible pressure difference with respect to the reaction chamber, which has been depressurized to atmospheric pressure, which reactor vessel is distinguished by the fact that cooling channels are formed by webs which are in contact both with a refractory protective layer and with the pressure shell.

Abstract: A heat exchange apparatus (10, 10, 10b) for selectively heating and/or cooling a process fluid (38). A process fluid tubing 14 is wrapped around a primary thermally conductive cylinder (12) having a spiral groove (24) therein adapted for closely accepting the process fluid tubing (14) and increasing the area in thermal contact therebetween. The process fluid tubing (14) is a generally chemically inert tubing. The spiral groove (24) supports the process fluid tubing (14) such that the process fluid tubing (14) can be bent in a radius smaller than the natural minimum bend radius of the process fluid tubing (14). Various embodiments have a cooling apparatus (26, 26a) for cooling the process fluid (38). The cooling apparatus (26, 26a) has a outer thermally conductive cylinder (16) or an outer thermal reservoir (50) cooled alternatively by coolant fluid (44) passing through cooling fluid tubing (18), by a plurality of thermoelectric modules (54), or by a combination thereof.

Abstract: The invention is a heat exchanger system suitable for iron making furnaces and their supporting exhaust and cooling system. The heat exchanger has at least one panel of sinuously winding piping having an inlet and an outlet, an input manifold in fluid communication with the inlet of the at least one panel, an output manifold in fluid communication with the outlet of the panel, a cooling fluid flowing through the piping, and a stream of hot exhaust gasses flowing over the piping. In application, the heat exchanger system has at least one panel that is mounted to an interior side of a wall, and is in fluid communication with the output and the input manifolds that are on an exterior side of the wall. The wall typically is a wall of a steel making furnace, a furnace roof, a smoke ring exhaust port, a straight section of an exhaust duct, and a curved section of an exhaust duct.

Abstract: An overmolding insert includes a base having at least one opening in a first surface, the opening communicating with a second surface opposite the first surface, at least one hollow projection extending from the first surface, the hollow projection having a first opening communicating with the opening of the first surface and a second opening located at a terminal portion of the hollow projection, the insert further having two opposed side walls, each side wall being joined to the first surface, two opposed end walls being joined to an opposite end of the first surface and extending from one side wall to the other side wall. The side walls, the end walls, and the first surface define a partially closed space, with the terminal portion of the hollow projection extending beyond the partially closed space.

Abstract: A multiple impingement cooled structure is provided having two or more stages of impingement cooling wherein the stages are arranged so as to have substantially constant cooling effectiveness.

Abstract: A thermal control system includes an air colliding chamber bounded by at least a conducting board and an insulating panel. An air jet pipe and an air jet suction pipe extend into the air colliding chamber. Thermally adjusted air is urged into each air jet pipe, and out at least one air jet hole, into the air colliding chamber. In the air colliding chamber, air vortices repeatedly contact the conducting board and thermal transfer occurs. Return air is urged into each air suction pipe through at least one jet suction hole for return and thermal adjustment.

Abstract: A cassette for delivering fluids, especially dialysis fluids, with connecting elements for connecting solution bags and lines leading to the patient for to the dialysis machine, with at least one delivery chamber with an inlet and outlet, with lines for carrying the fluids supplied and delivered, with the walls of the lines being designed at least in some sections so that the lines can be closed by applying a compressive force acting on the walls. Heating and delivery of fluids, in particular dialysis fluids, can be performed effectively and simply by providing at least one area in the cassette where the lines are arranged in such a way that the medium in the lines can be heated to a predetermined set point by means of a heating device arranged outside the cassette.

Abstract: An arrangement for cooling a flow-passage wall surrounding a flow passage is described, having at least one rib feature which induces flow vortices in a flow medium passing through the flow passage, is attached to that side of the flow-passage wall which faces the flow passage, and has a main longitudinal extent which is oriented at an angle of &agr;≠0° to the direction of flow of the flow medium passing through the flow passage. The invention is characterized in that the rib feature, along the main longitudinal extent, at least partly has rib-feature sections whose axes enclose an angle of &bgr;≠0° with the main longitudinal extent.

Abstract: Disclosed herein is a machine room back cover integrated with a condenser for a refrigerator, which is capable of protecting a machine room in which a compressor as one of elements constituting a refrigeration cycle is provided and serving as a heat emission plate by which coolant heat emitted from a condenser is dissipated outside the refrigerator by contacting with air introduced from the external of the machine room.

Abstract: A multiple impingement cooled structure is provided having two or more stages of impingement cooling wherein the stages are arranged so as to have substantially constant cooling effectiveness.

Abstract: Refrigerator including a cold air duct fitted in a space stuffed with an insulating material between an inner case and an outer case of the refrigerator having a triangular section in a part facing the inner case for preventing deformation of the inner case in foaming of the insulating material, thereby preventing deformation of the inner case caused by late foaming.

Abstract: A heat transfer assembly is disclosed which comprises at least one wall (1, 2, 3) which is adapted to separate a first fluid at a first temperature from a second fluid at a second temperature, and at least one fibre member (6, 7, 8, 9) or plurality of them, each fibre member (6, 7, 8, 9) including at least one elongate fibre which extends substantially axially along the fibre member (6, 7, 8, 9) from the first fluid through the wall (1, 2, 3) and into the second fluid whereby in use heat is transferred from the first fluid to the second fluid or vice versa, and the entire heat transfer assembly or a part of it is assembled as a single unit by sewing/weaving/stitching technique.

Abstract: A regenerative circuit structure is built up by implementing the following steps in particular: an intermediate layer is made on a support core representing the inner profile of the structure; a series of channels regularly distributed around the core is made with the channels opening to face the intermediate layer, each of the channels being provided with a soluble insert; the support core is preheated and the body of the structure is made by thermal spraying under a vacuum; channels are machined in the body from the outside, and said channels are filled by means of soluble inserts; a closure layer is formed to close the channels in the body, and an outer envelope is formed by thermal spraying under a vacuum, after preheating; and all of the soluble inserts and the intermediate layer are eliminated.

Abstract: In a heat shield (10), in particular for the stator of gas turbines, which heat shield (10) is composed of a plurality of individual segments (10a, b; 20a, b), whose end surfaces (15a, b) respectively abut one another so as to form a gap (12), and which have cooling holes (13a, b) for cooling purposes in the region of the end surfaces (15a, b), through which cooling holes (13a, b) a cooling fluid is blown out into the gap (12), cooling is ensured, even when the gap is closed, by a chamber (11), which is widened relative to the gap (12) and into which the cooling holes (13a, b) open, being arranged in the region of the gap (12).

Abstract: A cooling assembly is provided for an electromechanical device, such as an electromagnetic or generator, including a housing having a wall portion. A magnetic field member is disposed within the housing and is arranged adjacent to the wall portion. A shaft having windings is located within the magnetic field member with an electric current flowing through the windings, which coacts with the magnetic field member. The magnetic field member and the windings produces an undesirable level of heat. The present invention incorporates a helical cooling coil defining a fluid conduit arranged adjacent to the magnetic field member for removing heat from the electromechanical device.

Abstract: The invention relates to a heat dissipating device, especially for high-performance industrial ultrasonic transducers. The aim of the invention is to produce a device that enables high-performance ultrasonic transducers to operate continuously in environments with high heat and/or high humidity, whereby heat is dissipated in an explosion-proof embodiment in a more effective manner. This is achieved by surrounding the ultrasonic transducer (1) with a closed cooling system comprising a layer (2) that absorbs vibrations, e.g. a silicon rubber layer, and a layer that dissipates heat (3), e.g. silica sand.

Abstract: The piece made of composite material comprises a plate and a plurality of stiffeners integrally formed with the plate. A metal wall is fixed to the edges of the stiffeners and is provided with passages for circulating the fluid. The plate exposed to the heat flux radiates towards the metal wall through the gaps between the stiffeners, and it also performs the structural function. The invention can be used with structures that are exposed to very high heat flux: the walls of jet combustion chambers, the walls of space plane vehicles, the walls of nuclear fusion reactors.