Abstract: The invention is directed to a method for controlling the temperature of at least one catalyst arranged in an exhaust gas cleaning system (12) of a lean-runnable multi-cylinder engine (10), wherein energy is introduced into the exhaust gas cleaning system (12) by a lambda split, and to a corresponding multicylinder engine (10). It is provided that the introduction of energy is limited depending on at least one of the parameters catalyst temperature, exhaust gas temperature and exhaust gas mass flow rate, and/or at least one of the parameters change of the catalyst temperature, change of the exhaust gas temperature and change of the exhaust gas mass flow rate, or at least one of the parameters rate of change of the catalyst temperature, rate of change of the exhaust gas temperature and rate of change of the exhaust gas mass flow rate.

Abstract: A method for operating an internal combustion engine; in the exhaust area of this engine there is at least one catalytic converter and downstream from the catalytic converter there is an NOx sensor. A device for carrying out this method is also provided. The NOx sensor has a cross-sensitivity to a reagent needed in the catalytic converter. In predefined operating states of the internal combustion engine, e.g., idling and/or overrun, a selection signal is supplied; when this selection signal occurs, the sensor signal supplied by the NOx sensor is interpreted as at least a measure of the reagent leakage.

Abstract: An exhaust system purifies a gas flow of harmful substances. The exhaust system contains at least device for supplying a reducing agent, a first catalytic converter, and a particle trap, in the direction of flow of the gas flow through the exhaust system. At least one other exhaust purification component is provided and/or there is a distance of at least 0.5 meters between the first catalytic converter and the particle trap. In addition, a mixer and a second catalytic converter are positioned directly upstream of the particle trap. A regeneration of the particle trap disposed in the exhaust system is carried out. A reducing agent is introduced into the exhaust gas system, only upstream of the turbocharger, for carrying out the regeneration process of the particle trap.

Abstract: Methods for regenerating or improving the regeneration of a particulate filter and for improving the performance of a particulate filter during the operation of an internal combustion engine comprise lubricating the engine with a lubricant composition comprising additives that when combusted can form an ash deposit in the filter. The methods are particularly useful for diesel particulate filters on diesel engines that are equipped with an exhaust gas recirculation system.

Abstract: To permit smooth performance of both of an operation requiring a high pressure and an operation desired to produce a pressure at a suppressed level, a shuttle block 50 positioned between pilot operating units 35-37 and flow control valves 5-15 and pump regulators 28a,28b is arranged in association with shuttle valves 61-63,65-75, which select maximum pressures of groups of operation signal pressures produced by the pilot operating units 35-37, respectively, and at least one of the plural groups of operation signals, and is constructed to include hydraulic selector valves 81,82 and a boom-lowering, hydraulic selector valve 83. The hydraulic selector valves 81,82 are operated based on the maximum pressures to produce control signal pressures from a pressure of a pilot pump 2.

Abstract: An axle driving system which houses in a housing thereof a hydrostatic transmission, axles, and a driving gear train for connecting output means of the hydraulic transmission and axles, so as to transmit power from a driving source to the hydrostatic transmission and to change the speed, thereby driving the axles. A first chamber therein contains the hydrostatic transmission and a second chamber therein contains the driving gear train. Both the first and second chambers are independent of each other so as to prevent a foreign object, such as iron powder produced in the driving gear train, from entering the hydrostatic transmission. The system includes an L-like-shaped center section on which the hydrostatic transmission is offset such that an imaginary plane which includes a motor mounting surface passes in proximity to the axis of a pump shaft. The pump shaft is disposed perpendicular to the axles. The motor shaft is disposed in parallel thereto.

Abstract: System for multiple harnessing and complemented conversion of energy from sea waves, characterized in that it includes a structure of vertical guides along which said central floating body moves, a submerged captive-air tank, held up by said floating body, with the body and the tank so arranged that the movement of the submerged tank is contrary to that of the central floating body, the movement of the central floating body and of the submerged tank being transmitted to said means of conversion of the movement into pneumatic, electrical or hydraulic energy. The system shows high energy harnessing efficiency.

Abstract: A method and apparatus for reducing fuel consumption in an internal combustion engine including gasoline, petrol and diesel engines used in trucks, cars and for pumps including the steps of providing a thermal insulation shield that includes reflective fabric over the exhaust manifold, around the intake plenum for intake air and intake air box, covering the turbo charger compressor with a heat insulating material that includes a reflective fabric layer and the turbo charger drive turbine housing except for the bearing area to greatly reduce heat build up in the engine compartment thereby reducing intake air temperature for increased engine efficiency. The invention has been found to increase fuel efficiency in large trucks by ten to fifteen percent. The materials are light weight and do not significantly increase engine weight or truck loan weight.

Abstract: A turbine temperature control (TTC) system for regulating operation of an engine to control a temperature of a forced air induction device. The system includes a sensor that is responsive to an exhaust gas temperature and that generates a signal. A control module determines a temperature based on the temperature signal and compares the temperature to a threshold temperature. The control module regulates operation of the engine to decrease the temperature when the temperature exceeds the threshold temperature.

Abstract: Disclosed herein is a system for generating energy, comprising a first heat exchanger in communication with a first heat source; wherein the first heat exchanger contacts a transfer fluid that comprises a working fluid and an associating composition; and a first energy conversion device comprising a moving surface, wherein the first heat exchanger is in communication with the moveable surface of the first energy conversion device; and wherein a dissociation of the transfer fluid in the first heat exchanger generates a vapor of the working fluid that contacts the moving surface of the first energy conversion device.

Abstract: A fuel delivery system for use, for example in a gas turbine engine system, includes a fuel metering unit including a main fuel inlet. The fuel metering unit includes fuel pressure and temperature sensors. A cavitating venturi is in fluid communication with the main fuel inlet and includes venturi characteristics such as throat diameter. A fuel nozzle is in fluid communication with the venturi for delivering fuel to the gas turbine engine. A controller is connected to the pressure temperature sensors and is operable to calculate a flow rate of fuel through the nozzle based upon the signals from the pressure and temperature sensors and the fuel and venturi characteristics. A variable cavitating venturi may be arranged within the throat to vary the area and adjust the flow rate through the venturi. The cavitating venturi can also be used at the fuel nozzle to further simplify the fuel delivery system.

Abstract: A combustion device, such as an afterburner 4 for a gas turbine engine, comprises primary and secondary fuel delivery means 12, 20. Pressure fluctuations in the afterburner 4 are damped by reducing the supply of fuel through the primary fuel delivery means 12 during pressure peaks. This is achieved by means of a spill valve 18, controlled by a controller 22 in response to pressure in the afterburner 4 as sensed by a transducer 24. The spill valve 18 diverts a proportion of the fuel to the secondary fuel delivery means 20. The secondary fuel delivery means 20 is positioned upstream of the primary fuel delivery means 12 by a distance X, such that the secondary fuel delivery means serves to supply additional fuel to the combustion zone 26 during pressure troughs.

Abstract: A power generating system having a liquid natural gas (LNG) vaporization circuit and an energy generating circuit. The LNG vaporization circuit includes a heat exchange assembly and a heating tower connected to the heat exchange assembly. The LNG vaporization circuit also includes a LNG vessel connected to the heat exchange assembly. The energy generating circuit includes a gas turbine connected to the heating tower along with a first electrical generator connect to the gas turbine.

Abstract: An air cooler for power plants comprising a pressure vessel, in which is accommodated a coaxial arrangement containing a cylindrical central tube, a helical tube bundle surrounding the central tube and a cylindrical casing surrounding the tube bundle. The central tube extends, at one end of the coaxial arrangement, into a first space adjacent to the tube bundle and closed off outwardly by the casing. The central tube can be acted upon by air from outside the pressure vessel, via an air inlet connection piece, at the other end of the coaxial arrangement through a space adjacent to the tube bundle. Water can be fed into the tube bundle from an end of the coaxial arrangement and steam can be extracted from the tube bundle.

Abstract: A method for determining an estimated operating parameter for a gas turbine including the steps of: determining an estimated operating parameter using an algorithm have an input from a sensor, wherein the algorithm includes a trim factor; determining a first trim factor based on a comparison of the first estimated operating parameter and the output of the sensor when a condition of the sensor is in a first mode, and during a subsequent determination of the estimated operating parameter, applying the first trim factor to subsequently determine the estimated operating condition if the condition of second sensor is in a second mode.

Abstract: A combustor for a gas turbine includes a combustion chamber and a plurality of radially outer nozzles surrounding a single, center nozzle, the radially outer nozzles configured to supply only gas fuel to the combustion chamber and the center nozzle configured to supply both gas and liquid fuel to the combustion chamber.

Abstract: A gas turbine engine using a rich-lean catalytic combustion system includes a rich catalytic burner and a lean catalytic burner. The rich catalytic burner includes a rich catalytic reactor and a heat exchanger. The rich catalytic reactor catalytically burns a fuel rich mixture to provide a heated fuel. The heat exchanger receives a stream of air that absorbs a portion of the heat from the catalytic burning of the fuel rich mixture to keep the reaction in the rich catalytic reactor at or below a threshold temperature. A resulting heated air from the heat exchanger and the heated fuel are mixed in a mixing zone to provide a heated fuel-air mixture. The lean catalytic burner receives and burns the heated fuel-air mixture.

Abstract: The present invention relates to a method and an apparatus (6) for carrying out the method, the method being used for combustion of a fuel-oxidator mixture in a combustion chamber (7) of a turbogroup, in particular of a power plant. A total oxidator flow (12) is divided into a main oxidator flow (14) and a secondary oxidator flow (15). The main oxidator flow (14) is lean mixed with a main fuel flow (21) in a premix burner (8), and the mixture (23) is fully oxidized in the combustion chamber (7). The secondary oxidator flow (15) is divided into a pilot oxidator flow (17) and a heat-exchanging oxidator flow (18). The pilot oxidator flow (17) is rich mixed with a pilot fuel flow (22), and the mixture (17, 22) is partially oxidized in a catalyst (24), with hydrogen being formed.

Abstract: A helicopter having a helicopter turbine engine disposed therein includes an over-stress protection system. The over-stress protection system includes a computer for storing data and an input such as a keyboard for inputting a safe temperature profile for starting the turbine engine. A temperature sensor is provided for measuring the actual turbine outlet temperature during the start up of the helicopter turbine engine. The actual engine temperature is then compared with the safe engine temperature profile and water and/or alcohol is injected into the engine when an actual temperature exceeds the safe temperature. The use of a ground based tank for use during start up and an airborne tank for in flight use are also disclosed.

Abstract: A method of heating a fluid in a fluid heater integrated with a gas turbine. Fuel is burned in a radiant section of the fluid heater to heat the fluid and to produce combustion gases for the heating a downstream convective section. The combustion is supported by a combined oxidant stream. An oxygen containing stream or the combined stream, which is made up in part by the oxygen containing stream is preheated through indirect heat transfer with a first gas turbine exhaust stream produced by the gas turbine. A second gas turbine exhaust stream, also produced by the gas turbine is combined with the oxygen containing stream to form the combined oxidant stream. As such, the available heat energy supplied to the fluid heater is supplied not only by the combustion but also the gas turbine. This allows for the fuel to be conserved or for increased fluid throughput.

Abstract: An enclosure comprising elements for air management, sound attenuation and fire suppression in a trailer-mounted mobile electrical power generation system. Air management is provided by ducts, fans, seals and a barrier wall. In addition, by establishing airflow away from spark-producing equipment, any fuel that might leak will not accumulate near the spark-producing equipment, and thus fire and explosion risks are reduced. Targeted sound suppression in the ducts, walls, floor and ceiling of the enclosure provides acceptable noise levels. Fire detectors, a fire suppression system and dampers allow for quickly controlling fires inside the enclosure. A roof panel sealing system provides access into the enclosure during assembly and maintenance while providing a watertight and noise tight seal during transit and operations.

Abstract: A powered desk caddy comprises a caddy body including a bottom surface and a working surface opposite the bottom surface, an electrical outlet located on the caddy body, an AC power inverter located in the caddy body and adapted to receive a DC power input and provide an AC power output to the electrical outlet, a thermo-electric cooler/warmer module located in the caddy body, and a beverage holder cooled/warmed by the thermo-electric cooler/warmer module.

Abstract: A system of the type wherein LNG from a tanker (30) is offloaded to a moored vessel (16), which has a regas unit (36) which heats the LNG to transform it into gaseous hydrocarbons, and which has a pump unit (38) that pumps the gaseous hydrocarbons to a consumer (46) such as an onshore gas distribution facility. The system is constructed to enable more rapid tanker unloading so the tanker is released earlier to sail back to a pickup location. The moored vessel has a thermally insulated LNG storage facility such as LNG tanks (100), with a capacity to store all LNG not regassed during offloading of the tanker. The regas unit has sufficient capacity to regas all LNG received in one tanker load, before the tanker returns with another load of LNG.

Abstract: An object is to provide an energy-saving drying apparatus which prevents liquid backflow, reduces time for a refrigeration cycle to be in a steady state, and can significantly reduce a time required for drying. The drying apparatus comprises: a drying chamber for accommodating a thing to be dried; a refrigerant circuit in which a compressor, a radiator, a decompression device and a heat sink are successively connected to one another in an annular form via a piping; an air circulation path in which air in the drying chamber exchanges heat with the radiator and the heat sink and circulates; and air circulation means provided in the air circulation path for circulating the air, wherein at least part of the piping from the decompression device to the compressor of the refrigerant circuit is provided within the air circulation path, and the air circulation path is equipped with heating means.

Abstract: A spray cooling system for transverse evaporative spray cooling in a narrow gap, which may generally include a mixing zone, a converging zone, a plurality of cooling conduits, and a re-circulation conduit. The spray cooling system in some of its embodiments, provides, among other things, a feed system for narrow gap evaporative spray cooling, a method for reducing the pressure gradient across the surface from which heat is to be transferred and a housing system which utilizes a baffle to separate the plurality of cooling conduits from a re-circulation conduit and to re-circulate vapor to the entry of the cooling conduit.

Abstract: The invention relates to a refrigerant system for a motor vehicle comprising a compressor, a condenser and an evaporator. A pressure sensor measures the discharge pressure at the outlet of the compressor, and a temperature sensor measures the ambient temperature at the condenser. Based on the measured values of pressure and temperature, a controller) estimates the power consumption of the compressor. Said estimation may then be used to control the power generation of the engine accordingly.

Abstract: A variable capacitance compressor is provided in a refrigeration cycle of a vehicular air conditioning system. The variable capacitance compressor controls discharge capacity of refrigerant by an external control pulse signal, and can substantially estimate compressor suction side pressure by the external control pulse signal and compressor discharge side pressure. A compressor torque calculator is provided to calculate torque based on evaporator upstream and downstream temperature difference data ?t, which is a temperature difference between inlet side air temperature of an evaporator and outlet side air temperature of the evaporator, compressor discharge side pressure data Pd, duty ratio data of a control pulse signal, and compressor's number of revolution data.

Abstract: A system and method for diagnosing and protecting a compressor includes a sensor, logic circuitry, a motor protector and an intelligent device. The logic circuitry is associated with the sensor and the motor protector and operable to determine a trip frequency of the motor protector and identify a specific fault cause. The intelligent device communicates with the logic circuitry and indicates the fault cause.

Abstract: The device (10), for the continuous generation of cold and heat by magneto-calorific effect, comprises a mixture of a heat exchange fluid and particles made from at least one magneto-calorific material, superconductor or phase-change material circulating through a first heat exchanger (11) subject to a magnetic field generated by magnetic device (14), associated with the first heat exchanger (11). On passing into the generated magnetic field, the particles undergo an increase in temperature and heat the mixture in the first heat exchanger (11) and on leaving the magnetic field, the particles undergo a reduction in temperature to cool a mixture entering a second heat exchanger (12). A cold circuit (16) extracts the cold from the second heat exchanger (12) and a hot circuit (15) extracts the heat from the first heat exchanger (11).

Abstract: Apparatus and method for controlling compressors of a multi-chamber type air conditioner. The apparatus includes an operating time-accumulating unit for accumulating operating times of the plural compressors; a storage unit for storing the cumulative operating times obtained by the operating time-accumulating unit; indoor control units for respectively controlling the indoor units; and an outdoor control unit for selecting compressors to be operated based on the cumulative operating times of the compressors and controlling the operations of the selected compressors, when it is necessary to operate at least one compressor based on air conditioning loads required by the indoor control units. The apparatus provides uniform chances of operation to all the compressors, thereby providing convenience in replacing the compressors with new ones and checking the life spans of the compressors.

Abstract: A dryer assembly for drying compressed fluid received from a fluid compressor. The dryer assembly comprises a compressed fluid circuit and a refrigeration circuit associated with the compressed fluid circuit and configured to reduce the temperature of the compressed fluid and to remove condensate from the compressed fluid. The dryer includes means for manipulating the dryer to regulate the rate of heat transfer between the compressed fluid circuit and the refrigeration circuit. A first sensor senses the lowest temperature of the compressed fluid after the compressed fluid has passed the refrigeration circuit and a second sensor senses a reference temperature. A controller is configured to receive the lowest temperature and reference temperature from the sensors and to determine a relative humidity based on the lowest temperature and the reference temperature. The controller controls the means for manipulating the dryer in response to the determined relative humidity.

Abstract: An air conditioning system includes a condenser coil and a fan situated adjacent the condenser coil. The fan driven by a motor, which is reversed to change the rotational direction of the fan in response to a predetermined condition. The fan is operated in a first direction to cool a condenser coil, and reversed to blow away collected debris, thus cleaning the condenser coil. The fan is reversed in response to one or more predetermined conditions.

Abstract: A displacement control mechanism for a variable displacement compressor includes a first valve hole, a first valve body, a pressure sensing means operable to sense pressures of first and second points in a discharge pressure region to adjust a position of the first valve body, and a pressure-difference-increasing means operable to increase pressure difference between the first and second points when the pressure of a suction pressure region falls below a predetermined standard pressure. The pressure sensing means displaces the first valve body to increase an opening degree of the first valve hole according to increase of the pressure difference when the first valve hole is part of a supply passage. The pressure sensing means displaces the first valve body to decrease the opening degree of the first valve hole according to the increase of the pressure difference when the first valve hole is part of a bleed passage.

Abstract: A tandem compressor system is utilized that receives refrigerant from a common suction manifold, and from a common evaporator. From the compressors, the refrigerant passes to a plurality of condensers, with each of the condensers being associated with a separate zone for heat rejection, preferably at different temperature levels. Each of the condensers is associated with at least one of the plurality of compressors. By utilizing the common evaporator, yet a plurality of condensers, the ability to independently control temperature and amount of heat rejection to a number of zones is achieved without the requirement of having a dedicated circuit with multiple additional components. Thus, the overall system cost and complexity can be greatly reduced. In embodiments, one or more of the plurality of compressors can be provided by a compressor bank, having its own plurality of compressors.

Abstract: A vapor compression refrigerating apparatus comprises a refrigerating cycle for performing a cooling operation of an automotive air conditioning system, a Rankine cycle for collecting waste heat from an engine of a vehicle to generate an electric power by an electric rotating device driven by an expansion device of the Rankine cycle, and a heat pump cycle for generating heat to supply the generated heat to the engine so that a warming up operation of the engine can be facilitated.

Abstract: The air suction mode can be switched among the inside air mode in which the air sucked by the battery cooling blower 15 to cool the battery 3 for vehicle use is the air inside a vehicle passenger compartment, the outside air mode in which the air sucked by the battery cooling blower 15 is the air outside the vehicle passenger compartment and the cooling air mode in which the air sucked by the battery cooling blower 15 is the air cooled by an evaporator of the rear seat side air conditioner 2.

Abstract: The present invention provides a cooling suit for allowing comfortable feeling even with a lesser power consumption and a simple structure. The cooling suit includes a cloth part 10a having an upper portion made of a highly air-permeable material, and having those portions other than the upper portion which are made of a substantially air-impermeable material. Formed at a reverse surface of the cloth part 10a are airflow passages between the cloth part 10a and an undergarment. Provided at a lower portion of the cloth part 10a are air outlets 50a for extracting air-streams within the airflow passages to the exterior; and provided at those positions of the reverse side of the cloth part 10a which correspond to the air outlets 50a, are fans for forcibly causing the air-streams within the airflow passages.

Abstract: A thin-profiled gas cooler and chassis suitable for a transcritical heat pump water heater are provided. The heat pump system includes a chassis for supporting such system components as a gas cooler and evaporator. The dimensions of the gas cooler are designed to minimize the impact that the gas cooler has on the cooling capacity of the evaporator by reducing the amount of air flow that the gas cooler blocks. This is achieved by reducing the depth that the gas cooler extends into the chassis cavity. As a result, the height and/or width of the gas cooler is increased compared to other similar volume gas coolers is providing comparable water heating capacity.

Abstract: Refrigeration/air conditioning equipment includes a first internal heat exchanger for exchanging heat between a refrigerant to be sucked in a compressor and a high-pressure liquid refrigerant, an injection circuit for evaporating a bypassed high-pressure liquid at intermediate pressure and injecting the vaporized refrigerant into the compressor, a second internal heat exchanger for exchanging heat between the high-pressure liquid refrigerant and the refrigerant to be injected, and a heat source for heating the refrigerant to be injected.

Abstract: Disclosed is an air conditioner. The air conditioner a main compressor for compressing a refrigerant; a four-way valve disposed at a discharge side of the main compressor and switching a fluid path; an outdoor heat exchanger having one side connected with the four-way valve; an indoor heat exchanger having one side connected with the outdoor heat exchanger and the other side connected with the four-way valve; an expansion valve disposed between the outdoor heat exchanger and the indoor heat exchanger; and an auxiliary compression unit for reducing the load on the main compressor. Accordingly, since the load on the main compressor decreases, efficiency and reliability of the main compressor are enhanced and noises are reduced. In addition, an instrumental part such as a bearing inside the main compressor is not subject to abrasion and high heat damage to a motor unit is prevented.

Abstract: A dispenser of a conventional refrigerator supplies only cold water. Therefore, the dispenser cannot meet a variety of users' needs. Further, the conventional refrigerator has a problem in that various kinds of water supplied from a water source cannot be properly purified. The present invention relates to a refrigerator including a main body with a storage space defined therein and a door for opening and closing the storage space.

Abstract: A refrigerating device for a water station comprises cold storage cabinet, cold water container and refrigerating system. Said cold water container is installed in the cold storage cabinet, one end of which is connected to a water storage pail via a pipeline, and the other end is provided with a water intake pipeline. The cold water container is used for holding water that needs temperature drop. Said refrigerating system comprises compressor, condensator, capillary tubes, first evaporator and refrigerating pipelines. Said first evaporator can be installed in the cold storage cabinet or can also be installed outside the cold storage cabinet in coordination with it. Said compressor is installed under the cold storage cabinet, said refrigerating pipelines are filled with refrigerating liquid.

Abstract: A refrigerated liquid dispensing system includes a cabinet having a refrigerated compartment. At least one liquid container such as a water bottle is mounted in a receptacle in the compartment. A valve is mounted to the neck of the bottle for controlling the flow of liquid from the bottle. In one practice of the invention the valve is actuated by a spring plunger mounted to the door of the compartment so that the valve can be actuated without opening the door to dispense water from a valve stem into a cup in a cup holder area below the compartment. In a further practice of the invention the valve is actuated by opening the door and acting directly on the valve. When the door opens a valve extension automatically slides outwardly so that a dispensing opening in the valve extension is disposed against a cup in the cup holder area.

Abstract: Walk-in refrigerator/freezers and walk-in refrigerator/wine coolers for home use include walk-in refrigerator sections, reach-in freezer sections, pullout pantries and pullout refrigerated drawers, and wine cooler/humidor sections that may include one or two separate interior temperature-controlled sections.

Abstract: A refrigerator with a chilled air leakage preventing device that has high insulating efficiency and an aesthetically pleasing appearance and that is not easily damaged is provided. The refrigerator with the chilled air leakage preventing device includes a cabinet for forming a storage compartment, a door for opening and closing the storage compartment, a gasket provided to the circumference of the door to seal a gap between the cabinet and the door, and a chilled air leakage preventing member for sealing the gap between the cabinet and the door when the door is closed.

Abstract: A heat transfer engine having cooling and heating modes of reversible operation, in which heat can be effectively transferred within diverse user environments for cooling, heating and dehumidification applications. The heat transfer engine of the present invention includes a rotor structure which is rotatably supported within a stator structure. The stator has primary and secondary heat exchanging chambers in thermal isolation from each other. The rotor has primary and secondary heat transferring portions within which a closed fluid flow circuit is embodied. The closed fluid flow circuit within the rotor has a spiraled fluid-return passageway extending along its rotary shaft, and is charged with a refrigerant which is automatically circulated between the primary and secondary heat transferring portions of the rotor when the rotor is rotated within an optimized angular velocity range under the control of a temperature-responsive system controller.

Abstract: An accumulator for an air conditioning system, including a housing (10) with an elongated tubular wall (12). The accumulator also includes an internal heat exchanger fitted in the housing (10). The internal heat exchanger has a tubular structure (40) with radially protruding ribs (40, 42) arranged coaxially with the housing wall (12).

Abstract: A falling film evaporator is provided for use in a two-phase refrigeration system or process system. The evaporator includes a shell having an upper portion, a lower portion, and a tube bundle having tubes extending substantially horizontally in the shell. A hood is disposed over the tube bundle, the hood having an upper end adjacent the upper portion above the tube bundle, the upper end having opposed substantially parallel walls extending toward the lower portion, the walls terminating at an open end opposite the upper end. Once liquid refrigerant or liquid refrigerant and vapor refrigerant is deposited onto the tube bundle, the substantially parallel walls of the hood substantially prevent cross flow of refrigerant vapor or liquid and vapor between the tubes of the tube bundle.

Abstract: The invention relates to an expansion valve, designed especially for an air conditioning system in a motor vehicle, that comprises a valve housing with a first high-pressure side port, a second low-pressure side port, and a channel disposed therebetween through which refrigerant can flow. The valve includes a sliding element that is arranged in the channel and can move along a longitudinal axis, wherein an aperture restricts the flow of refrigerant through the channel, and the size and shape of the aperture is defined by the size and shape of the sliding element and the position of the sliding element in the channel. The expansion valve is easy to manufacture and can be universally used based in part on the sliding element extending completely through the channel.

Abstract: Non-slip, non-constrictive, self-adhesive ice bag device for use with confined patients that comprises a flexible, preferably water-impermeable outer cover with an open end that is sealable with a leak-proof closure means, said cover having a layer of adhesive to temporarily attach said cover, when it is filled with the cooling medium, or one or more cooling packs containing the cooling medium, to the inside or the outside of a patient-care fabric that is arranged to be in close contact with an injured area of the patient, such that said cooling medium is then in close contact with said injured area, without slippage, and without the need for a potentially constrictive strapping and/or wrapping means.