Abstract: An axial fan for use with a wall ring plate includes a housing having an inlet region and a rotor. The rotor has an increased rotor diameter compared to a standardised rotor diameter. On the inlet side, the inlet region has a tapered section that narrows in an arched manner in a cross-sectional view from an inlet diameter to a wall ring diameter. The axial width and radial length of the tapered section are formed in a predetermined ratio.

Abstract: A dump body includes: a side plate; a flow path which is provided in the side plate and through which an exhaust gas of an engine flows; an exhaust port of the exhaust gas which is provided in an outer surface of the side plate; and a guide surface which has a first inner end portion and a first outer end portion and is inclined downward toward the first outer end portion, the first inner end portion being connected to an outer surface of the side plate below the exhaust port.

Abstract: A cooling system for a motor vehicle has an electrical energy storage device for driving the motor vehicle; a chiller through which a refrigeration circuit and, fluidically separated therefrom, a main cooling circuit can flow; one or more control elements; at least one heat source, and one or more ambient air coolers. In a first mode, the control elements form the main cooling circuit such that the main cooling circuit can flow through the chiller, the energy storage device and none of the ambient air coolers. In a second mode, the control elements form the main cooling circuit such that the main cooling circuit can flow through the chiller, the energy storage device and at least one of the ambient air coolers. In a third mode, the control elements form the main cooling circuit such that the main cooling circuit can flow through the chiller, at least one of the ambient air coolers and the heat source.

Abstract: The present disclosure concerns a heat exchanger, which may for example be utilised in a gas turbine engine or in other applications. Example embodiments include a heat exchanger comprising: an external surface for exchanging heat with an external fluid flow passing over the external surface; a first fluid passage extending through the heat exchanger from a first fluid inlet to a first fluid outlet, a first portion of the first fluid passage extending along the heat exchanger adjacent to the external surface for a first cooling fluid passing through the first fluid passage to exchange heat with the external fluid flow; and a second fluid passage extending through the heat exchanger from a second fluid inlet to a second fluid outlet located at the external surface for a second cooling fluid to pass from the second fluid inlet into the external fluid flow.

Abstract: A gas turbine is provided for an aircraft comprising an engine core and a core flow path, a fan, a front drum cavity arranged radially inward of the core flow path, and a front bearing chamber. The front drum cavity comprises a front drum inlet, for providing air to the front drum cavity from the core air flow, located downstream of a stage of the compressor, and a front drum outlet, for ejecting air from the front drum cavity to the fan air flow, located axially between the fan and the compressor. The front drum inlet is through a seal, and the front drum outlet is through a spaced gap.

Abstract: An engine cooling system comprises an engine cooling circuit, comprising a first pump structured to circulate engine coolant fluid therethrough. A remote coolant radiator positioned along the engine cooling circuit downstream of the engine and outside of a vehicle cooling package area is structured to transfer heat from the engine coolant fluid to air. A coolant heat exchanger is positioned along the engine cooling circuit in parallel to the remote coolant radiator. A waste heat recovery system comprises a working fluid circuit comprising a second pump. The coolant heat exchanger is positioned along the working fluid circuit and is structured to transfer heat from the engine coolant fluid to the working fluid. An expander is structured to convert energy from the heat transferred to the working fluid from the engine cooling fluid to mechanical energy. A condenser positioned downstream of the expander is structured to cool the working fluid.

Abstract: A liquid immersion cooling device for information processing apparatuses. The liquid immersion cooling device includes an immersion tank, a refrigerant liquid that is retained in the immersion tank, and a plurality of fillers that are filled in the immersion tank and that float on a surface of the refrigerant liquid to cover the surface of the refrigerant liquid.

Abstract: A hybrid vehicle includes a hybrid powertrain having a high-voltage power bus. The vehicle further includes an electrical outlet having at least one socket configured to receive a power cord of an electrical load. A vehicle controller is programmed to receive a user-specified current limit for the socket, and, responsive to current of the socket exceeding the user-specified limit, de-energize the socket.

Abstract: A heat exchanger circuit can include a heat exchanger having a body with a plurality of cooling fins for the heat exchanger, a plurality of core cooling channels within the body, a plurality of de-congealing channels in fluid communication with the plurality of core cooling channels, and a by-pass valve in fluid communication with the plurality of core cooling channels and the plurality of de-congealing channels.

Abstract: This disclosure relates to a buffer system for a gas turbine engine. An exemplary gas turbine engine includes, among other features, a buffer manifold in an intershaft region. The buffer manifold is configured to direct a flow of air between a first air seal and a first oil seal, and to direct another flow of air between a second air seal and a second oil seal.

Abstract: A liner panel for use in a combustor of a gas turbine engine, including a multiple of heat transfer augmentors located in at least one discrete area of the liner panel. A wall assembly within a gas turbine engine including a support shell, a liner panel mounted to the support shell via a multiple of studs and a multiple of heat transfer augmentors located in at least one discrete area on a cold side of the liner panel, each of the multiple of heat transfer augmentors define a height that extends about half the distance between a cold surface of the liner panel and the support shell.

Abstract: A cooling apparatus for vehicle includes a radiator, a coolant pump, a cooling fan, first and second mode controllers, and an abnormality diagnosing controller. The radiator cools a coolant that circulates through a circulation flow channel of a cooling system. The coolant pump causes the coolant to circulate through the circulation flow channel. The cooling fan faces the radiator. The first mode controller initiates a first operation mode process upon diagnosing an abnormality of the cooling system. The first operation mode process stops the coolant pump and drives the cooling fan. The second mode controller initiates a second operation mode process after completion of the first operation mode process. The second operation mode process stops the cooling fan and drives the coolant pump. The abnormality diagnosing controller diagnoses, based on a temperature of the radiator, the abnormality of the cooling system after the initiation of the second operation mode process.

Abstract: A method of manufacturing a tube, and a tube, the method comprising the steps of: coupling in position a first tube body and a second tube body by inserting a first insert portion of a connecting pin into an end portion of a first hole of the first tube body and inserting a second insert portion into an end portion of a first hole of the second tube body; welding all around an outer circumferential portion of the coupled portion of the first tube body and the second tube body and all around an inner circumferential portion of the first holes in which the connecting pin is inserted; and removing the connecting pin remaining inside the first hole of the first tube body and the first hole of the second tube body.

Abstract: A spray rig monitoring system having a plurality of sensors that detect and transmit operational parameters to a computer. The operational parameters are processed to determine if a spray rig and its crew are operating within preset parameters.

Abstract: An exhaust gas recirculation (EGR) cooler includes: a housing having an exhaust gas inlet and an exhaust gas outlet, a coolant inlet and a coolant outlet, and a plurality of grooves protruding inward from upper and lower surfaces of the housing; a plurality of tubes spaced apart from each other so that exhaust gas flows in the housing; and a plurality of supporters supporting the plurality of tubes in the housing, wherein the plurality of supporters are disposed between an upper surface of the housing and a tube adjacent the upper surface of the housing among the plurality of tubes, between an lower surface of the housing and a tube adjacent the lower surface of the housing among the plurality of tubes, and between the plurality of tubes so that the plurality of supporters are disposed in a space in which the coolant flows inside the housing.

Abstract: A hydraulic cooling system for a heavy-equipment machine, with the heavy-equipment machine including a frame supported on the ground by a ground-drive assembly, a cab extending upward from the frame, and an attachment tool for performing work. The hydraulic cooling system comprises a main housing and a cooling assembly housed at least partly within the main housing, with the cooling assembly being configured to reduce a temperature of hydraulic oil flowing through the hydraulic cooling system. The hydraulic cooling system further comprises an attachment assembly for attaching the main housing to the cab of the heavy-equipment machine. The main housing is configured to extend rearward from the cab.

Abstract: A heat exchange system for a power gear box mechanically coupling at least low pressure compressor stage with at least one turbine stage in a turbo engine, in particular an aircraft turbo engine, is provided. At least one heat transfer device is enclosed, embedded and/or attached with the casing of the power gear box, wherein at least one airflow is directed to the at least one heat transfer device for thermally controlling the power gear box.

Abstract: A thermal energy storage system for a vehicle. The system includes a tank that is external to the vehicle. The tank is configured to receive liquid from the vehicle, and store the liquid at or above a predetermined temperature prior to the liquid being returned to the vehicle.

Abstract: Generally described, embodiments are directed to a temperature calibration system that includes a closed fluidic system and a cooling assembly configured to remove heat from the closed fluidic system. The cooling assembly is configured to move between a coupled position, in which the cooling assembly is thermally coupled to (e.g., abutting) a condenser of the closed fluidic system, and a decoupled position, in which the cooling assembly is thermally decoupled (e.g., spaced apart) from the condenser of the closed fluidic system. In at least one embodiment, while in the decoupled position, components of the cooling assembly may be protected from damage that may occur at elevated temperatures.

Abstract: A heat exchanger includes a drain assembly having a housing and a drain plug. The drain plug is movably disposed within the housing to extend along the same direction as a drain passage formed in the housing. The drain plug is movable along that same direction to selectively open or close the drain passage. Accordingly, the heat exchanger may be drained with a controllable directional flow.

Abstract: A system is provided for a turbine engine. This turbine engine system includes a rotating assembly, a bearing and a lubrication system. The bearing is configured with the rotating assembly. The lubrication system is configured to lubricate the bearing. The lubrication system includes a lubricant pump and a lubricant reservoir. The lubricant pump is mechanically coupled with and driven by the rotating assembly. The lubricant pump is configured with the lubricant reservoir so as to be at least partially submersed in lubricant contained within the lubricant reservoir.

Abstract: A heat exchange system for a power gear box mechanically coupling at least one low pressure compressor stage with at least one turbine stage in a turbo engine, in particular an aircraft turbo engine, is provided. At least one heat transfer device is enclosed, embedded and/or attached with the casing of the power gear box and the casing and/or the heat transfer device comprise at least one heat transfer and/or fluid flow guiding structure, in particular a ribbed surface, a finned surface and/or a studded surface, wherein at least one airflow is directed to the at least one heat transfer device for thermally controlling the power gear box.

Abstract: A turbomachine bearing housing comprising a fixed wall, a rotating shaft, first and second seals between the wall and the shaft, and a chamber between the fixed wall and a stator element supplied with air via an opening close to the shaft. An air guide is arranged along the surface of the wall of the housing, outside same, such that at least a portion of the air exiting the guide passes between the first seal and the shaft, the air guide being supplied with air by an air intake separated radially from the shaft, the air from the air intake being at a higher pressure than at the shaft.

Abstract: Disclosed is an intake distributor for an internal combustion engine that includes an integrated heat exchanger. This exchanger includes a support plate that ensures its rigid mounting in the distributor and peripheral seal that form an essentially continuous circumferential airtight barrier between the exchanger and the distributor, peripherally dividing the interstitial volume into two. The subdivision plane of the interstitial volume is perpendicular in relation to the plane of the support plate, and the peripheral seal consist of two complementary components that are connected to one another and made integral with the exchanger.

Abstract: A dual seated by-pass valve is provided for a surface heat exchanger. The valve provides a power element and at least two seats and two poppets which are spring biased and responsive to movement of the power element to open and close pathways to core cooling channels and de-congealing channels.

Abstract: A gas turbine engine hybrid outer guide vane heat exchanger includes a circular row of fan outlet guide vanes, at least some of the fan outlet guide vanes being networked guide vane heat exchangers including heat exchangers within fan outlet guide vanes and guide vane heat exchangers fluidly interconnected both in series and in parallel. Group may include three or more of the guide vane heat exchangers fluidly connected both in series and in parallel. Two or more serial sets of the networked guide vane heat exchangers in the hybrid group may each include two or more of guide vane heat exchangers connected in series and two or more serial sets connected in parallel. First and second groups of the networked guide vane heat exchangers may include first and second groups for cooling engine lubrication system and/or integrated drive generator.

Abstract: A control apparatus for an internal combustion engine according to the invention is applied to an internal combustion engine in which EGR gas and condensed water generated by an EGR cooler are supplied into a cylinder. The control apparatus calculates an equivalence ratio of the internal combustion engine, and controls an EGR valve and a condensed water supply valve such that, when the equivalence ratio is high, a supply rate of the condensed water increases and a supply rate of the EGR gas decreases relative to when the equivalence ratio is low.

Abstract: One aspect of this ferritic stainless steel sheet contains, by mass %, C: 0.03% or less, N: 0.05% or less, Si: 1% or less, Mn: 1.2% or less, Cr: 14% or more and 28% or less, Nb: 8(C +N) or more and 0.8% or less, and Al: 0.1% or less, with a balance being Fe and inevitable impurities, in which a film satisfying Expression 1 is formed in a surface thereof. Expression 1 is df×Crf+5(Sif+3Alf)?2.0. In Expression 1, df represents a thickness (nm) of the film, Crf represents a Cr cationic fraction in the film, Sif represents a Si cationic fraction in the film, and Alf represents an Al cationic fraction in the film.

Abstract: A radiator for the motorcycle includes a core through which a cooling medium flows, a cooling fan which is disposed on a downstream side of the core and ventilates the core, a downwardly opened fan covering for enclosing areas above, on opposite lateral sides and on a downstream side of the cooling fan, and a partition wall for partitioning between an lower portion of the core and a lower portion of the cooling fan so as to suppress the backward flow of the discharge air from the opening towards the core.

Abstract: A combination structure of an Exhaust Gas Recirculation (EGR) cooler may include a housing open at both sides thereof, a plurality of headers inserted in both of the sides of the housing and having a circumference forming a layer with the housing, and a plurality of diffusers each including a coupling portion, which is inserted in the headers to form a layer with the housing and the headers, at a first side and having a hole for receiving and discharging exhaust gas at a second side, in which sides of the housing and the headers may be welded, and the housing, the circumference of the headers, and coupling portions of the diffusers may be welded.

Abstract: A transport vessel and method specifically adapted for safely transporting liquid containing unstabilized drill cuttings. Typically drilling waste is stabilized using binding agents like fly-ash, liquids absorbing pellets or sawdust. In many jurisdictions binding agents are required to stabilize the drilling waste prior to transport. A sealed transport vessel is described herein which is specifically sized and positioned over a set of axels so as to provide for safe, non-spilling transport.

Abstract: A flow vortex spoiler including an oil sump wherein pressurization air flow moves about the oil sump through a sump pressurization cavity, the cavity having an inlet, a circumferential plate disposed across a portion of the pressurization cavity near the inlet. The circumferential plate is disposed at said inlet to said sump pressurization cavity. The circumferential plate has a plurality of closely spaced apertures. The pressurization air has a radial component and a tangential component wherein the circumferential plate and the plurality of closely spaced apertures substantially reduce the tangential component of the pressurization air and further wherein the vortex spoiler inhibits excessive pressure change within the pressurization cavity and inhibits oil leakage at seals adjacent to the oil sump.

Abstract: A vehicle is provided with an expander, a condenser, a pump, and a heater in sequential fluid communication in a thermodynamic cycle containing a working fluid. The thermodynamic cycle is provided for waste heat recovery in the vehicle. A heat pipe contains a phase change material and has a condenser region and an evaporative region. The evaporative region is in thermal contact with a recirculating fluid of a vehicle system. The heater provides thermal contact between the working fluid and the condenser region of the heat pipe.

Abstract: A housing for a bearing cavity in a gas turbine engine is disclosed. The housing comprise features that mitigate heat transfer from a heat source in the gas turbine engine to the nearby bearing cavity to prevent exposing the oil in the bearing cavity to excessively high temperatures. The housing comprises an annular flange that defines one or more barriers to heat transfer from the heat source to the bearing cavity.

Abstract: The internal combustion engines (M) of the invention are provided with a cooling water circuit, associated with a water radiator and with a lubricant oil circuit. The heat exchanger (HE) comprises an inlet and an outlet of water connected, in series, to an outlet of the water radiator, by means of a cooled water conduit and of the cooling water circuit, and to an inlet of the water radiator, by means of a return conduit and a hot water conduit; a fuel inlet nozzle and a fuel outlet nozzle, selectively connected to the fuel supply to the engine (M); and an inlet and an outlet of lubricant oil, connected to the lubricant oil circuit by means of respective oil conduits.

Abstract: A propeller (1) includes a hub (2), blades (3), and a shell (4) having two flanks (41, 42) connected by an elbow, the blades (3) extending from the hub (2) to the shell (4). The thickness (e1, e2) of at least one part of at least one of the flanks (41, 42) of the shell (4) is reduced towards the free end of the flank.

Abstract: The present disclosure relates to a dump truck or to a truck, comprising a diesel electric traction drive and a cooling system, wherein two radiator fans and/or cooler blowers of the cooling system are hydraulically driven.

Abstract: A cooling unit for an agricultural vehicle has a grid for allowing air to enter the unit while limiting debris and a heat exchanger for transferring heat from a coolant to air passing across the heat exchanger. The cooling unit further has a duct with motor driven fan, and a controller to monitor fan current and operate the fan in alternating directions. The controller generates a heat exchanger blockage warning when desirable fan current thresholds are not achieved.

Abstract: A turbocharger 1 includes a compressor housing 2 and a bearing housing 3. The compressor housing 2 has a shroud surface 221 and a diffuser surface 222. The bearing housing 3 has an opposite surface 311 facing the diffuser surface 222. An adhesion preventing part 4 is provided on at least one of the diffuser surface 222 and the opposite surface 311. The turbocharger 1 is configured so that compressed air spouts out from the adhesion preventing part 4 to the diffuser passage 15 by an ejector effect caused when compressed air passes through the diffuser passage 15.

Abstract: A thermal isolation disc for an exhaust silencer includes a first ring configured for attachment to an exhaust pipe defining a center axis, a second ring configured for attachment to a composite outer housing of a silencer, and a gasket sandwiched between the first and second rings.

Abstract: Provided is a construction machine including exhaust ducts and favorably discharging air from an engine room through an air outlet. The construction machine includes an engine room with an upper wall portion and a cooling fan, the upper wall portion formed with first and second exhaust ducts. The first exhaust duct includes an upstream portion extending in a first horizontal direction and a downstream portion extending upward from a terminal end of the upstream portion to a first air outlet. The second exhaust duct includes a cross portion crossing the upstream portion in a second horizontal direction perpendicular to the first horizontal direction above the upstream portion. The cross portion allows air to flow from a second air inlet opened downward and sideward of the upstream portion to a second air outlet opposite to the second air inlet, through an upper side of the upstream portion.

Abstract: The present invention is directed to a cooling apparatus comprising a plural number of (e.g., first to third) heat exchangers arranged in widthwise side-by-side relation to each other, and designed to optimize an air-volume distribution of cooling air passing through cores of the heat exchangers to thereby improve cooling efficiency. Each of the cores 41, 51 of the second and third heat exchangers 40, 50 disposed at widthwise opposite ends of the first to third heat exchangers 30, 40, 50 is formed to have a height lower than that of the core 31 of the first heat exchanger 30 disposed at a center of the first to third heat exchangers 30, 40, 50, whereby a combination of the cores 31, 41, 51 of the first to third heat exchangers 30, 40, 50 is formed in a shape corresponding to a projection of a cooling fan 25.

Abstract: A rotary engine including an insert in one of the walls of the outer body having a pilot subchamber defined therein communicating with the internal cavity of the engine. An ignition element extends in an element cavity defined through the insert adjacent the subchamber. A portion of the element is in communication with the subchamber through a communication opening defined in the insert between the element cavity and the subchamber. The communication opening has a cross-section smaller than a corresponding cross-section of the portion of the element. An outer body for a rotary engine and a method of combusting fuel in a rotary engine are also provided.

Abstract: An EGR cooler and an EGR cooler device includes a pre-cooler which is located at a central region at which a cooling water chamber of an EGR cooler housing, in which cooling water circulates, is divided into two spaces, and in which hot exhaust gas introduced from an exhaust system is discharged as primary-cooled exhaust gas via heat-exchange with the cooling water. Therefore, it may be possible to reduce costs by a decrease in number of EGR tubes via optimal primary cooling performance for the exhaust gas in the pre-cooler and particularly to relieve damage by a thermal load generated due to the hot exhaust gas by fully surrounding an inlet and an outlet of the pre-cooler with the circulating cooling water.

Abstract: A ventilation assembly for a heat exchanger of a motor vehicle, has plate-like support structure with a main flow opening. A ventilator, including an electric motor and a fan, is mounted in the main flow opening. A voltage regulating device is fixed to the support structure and connected to the electric motor. The voltage regulating device has a support casing and a heat dissipater connected to the support casing. The voltage regulating device is fixed to the support structure in the region of but outside of the main flow opening, with the support casing and the heat dissipater being disposed in planes which are at least approximately parallel with the axis of the fan and of the main flow opening.

Abstract: An engine mounted, vibration dampened radiator, to dampen vibrations from an engine to the radiator are disclosed. The radiator core is contained within a shell having two opposed longitudinal members and two opposed transverse members to form a coolant jacket. The vehicle radiator has a support bracket assembly, equipped with a longitudinal member having a length with opposing first and second ends, and a width of to accommodate at least one side of a vehicle radiator assembly, and a bracket member attached at one end to the longitudinal member and adapted to overfit internal coolant tubes in the radiator. The bracket has a length with opposing first and second ends, and a width. The bracket is equipped with at least one aperture along the width complementary to at least one coolant tube to permit insertion of the bracket over the coolant tube such that the tube extends through said aperture.

Abstract: A debris passage for a cooling box of a work vehicle. Airflow is provided into the cooling box from the exterior environment. A plurality of heat exchangers transfer heat into the airflow. The debris passage is defined between opposing heat exchangers to permit debris to pass from the airflow to the exterior of the cooling box. In one embodiment, the debris passage is underneath an air mover and is substantially vertical.

Abstract: An active/passive system for managing the temperature of fluid within an automatic transmission includes two heat exchangers, an active solenoid valve and a passive wax motor valve. A first heat exchanger provides transmission fluid heating and receives a flow of engine coolant. A second heat exchanger provides transmission fluid cooling and is exposed to ambient air. The solenoid valve which is preferably driven by a signal from a transmission control module (TCM) and the wax motor valve cooperate to provide three states of operation: transmission fluid heating, that is, heat added, cooling, that is, heat removed and pass-through or bypass (without heating or cooling).

Abstract: A cooling device for engine oil and/or transmission fluid, in particular of an internal combustion engine, has a flow-through oil cooler in an oil trough. The oil cooler is formed by a plate heat exchanger with plate intermediate spaces which route coolant and oil. The plate intermediate spaces that conduct oil have an outer opening region which is arranged on the outer circumference of the plate heat exchanger as inflow region, via which hot oil to be cooled flows into the oil-conducting plate intermediate spaces. Furthermore, the oil-conducting plate intermediate spaces have an outer outflow region which is arranged on the outer circumference of the plate heat exchanger at a distance from the inflow region. The outflow region is connected indirectly or directly to an outer oil line connecting region, via which cooled oil flows out after heat exchange with the coolant. The plate heat exchanger is suspended in the oil trough at a defined spacing from the oil trough walls which surround it.

Abstract: An exhaust arrangement for an internal combustion engine. The exhaust arrangement includes a diffuser duct including a wall surface which diverges between an inlet and a first outlet. The arrangement further includes an auxiliary duct extending from a second outlet of the diffuser duct. The second diffuser duct outlet being located on the wall surface between the diffuser duct inlet and the first outlet. The auxiliary duct includes a heat recovery device configured to convert heat energy from exhaust gases passing through the auxiliary duct in use to mechanical or electrical energy.