Abstract: A cooling system for a light emitting diode (“LED”) assembly includes a fluid configured to absorb heat at the LED assembly, a heat exchanger coupled to one or more substrates of the LED assembly, where the heat exchanger is configured to exchange heat between the LED assembly and the fluid, and a pump configured to circulate the fluid along the LED assembly and the heat exchanger, where the fluid exhibits a turbulent flow at the LED assembly, the heat exchanger, or both, while circulated by the pump.

Abstract: A vehicle interior panel includes a thermoelectric air conditioner capable of providing conditioned air locally within a passenger cabin of the vehicle. Air is drawn from the passenger cabin through an intake port in the panel, conditioned locally along a back side of the panel by a thermoelectric device, and discharged back into the cabin through a discharge port in the panel. Additional air flows along a waste side of the thermoelectric device and can be discharged outside the passenger cabin. The panel can be an interior door panel from which the waste side air is discharged within a B-pillar of the vehicle body.

Abstract: A control method of a heat pump system for a vehicle includes a first cooling apparatus having a first radiator, a first water pump, an electrical component, a valve, and a branch line, which are connected by a first coolant line and circulate a first coolant by the first water pump to the electrical component; a second cooling apparatus including a second radiator and a second water pump connected by a second coolant line; and an air conditioning apparatus including a compressor, a heater, an expansion valve, and a heat exchanger which are connected by a refrigerant line circulated with a refrigerant.

Abstract: The invention relates to a heat treatment system (1) for a vehicle, comprising a coolant circuit (2) and a heat transfer fluid loop (3), the heat transfer fluid loop (3) comprising at least one heat exchanger (12, 35) configured to dissipate heat in an air flow (18, 19), the coolant circuit (2) comprising, in this order and according to a direction of circulation of the coolant in the coolant circuit (2), at least one compression device (4), a first heat exchanger (5) which thermally couples the heat transfer fluid loop (3) with the coolant circuit (2), a device (6) for accumulation of the coolant, a first passage (8) of an internal heat exchanger (7), an expansion member (9), a second heat exchanger (10) arranged in order to be passed through by an air flow (19) external to a passenger compartment of the vehicle and a second passage (11) of the internal heat exchanger (7).

Abstract: A utility task vehicle includes a vehicle body including an opening. A door is positioned adjacent the opening. The door is configured to pivot about a first axis between an open position and a closed position. A window assembly is positioned adjacent and operably coupled to the door. The window assembly is configured to pivot about a second axis between an open position and a closed position. Rotation of the window assembly about the second axis is driven by rotation of said door about the first axis. In combination, the door and the window assembly substantially seal the opening of the vehicle body.

Abstract: A heat pump system for vehicle may include a first cooling apparatus that includes a first radiator and a first water pump connected by a first coolant line, a second cooling apparatus that includes a second radiator and a second water pump connected by a second coolant line, a battery module provided in a battery coolant line selectively connectable to a second coolant line through a first valve, and a chiller provided in a battery coolant line, connected to a refrigerant line of an air conditioner through a refrigerant connection line, and adjusting coolant temperature by heat-exchanging selectively received coolant with refrigerant, wherein a main heat-exchanger provided is connected to the first and second coolant lines to receive coolant circulating the first and second cooling apparatuses, and is connected to the first and second connection lines through a refrigerant valve to condense or evaporate refrigerant through heat-exchanging with coolant.

Abstract: A vehicle air conditioning apparatus is provided. The vehicle air conditioning apparatus includes: a plurality of seat air conditioning units configured to selectively perform cooling or heating for corresponding seats installed in a cabin, respectively; and a plurality of exhaust ducts for discharging, outside the cabin, part of air used in the plurality of seat air conditioning units. At least part of the plurality of exhaust ducts is merged.

Abstract: A heat pump system for a vehicle utilizes one chiller in which the coolant and the refrigerant are heat-exchanged to heat or cool a battery module. In addition, the heating efficiency is improved by selectively using the external heat and the waste heat of the electrical component and the battery module in the heating mode of the vehicle, wherein the electrical component is mounted on the coolant line connected to on the cooling apparatus of the heat pump system.

Abstract: The present invention relates to an air conditioner for a vehicle having a rear seat outlet, which can relieve temperature inversion that discharge temperature of the console vent becomes higher than discharge temperature of a rear seat floor vent in a bi-level mode, and prevent reduction of air volume of the console vent in the cooling mode. The air conditioner for a vehicle, which has a rear seat outlet, includes an air-conditioning case having an air passageway formed therein and a plurality of air outlets, and a cooling heat exchanger and a heating heat exchanger disposed in the air passageway of the air-conditioning case to exchange heat with air passing through the air passageway. Wherein the air outlets include a console vent and a rear seat floor vent, and an entrance of the rear seat floor vent is formed above an entrance of the console vent.

Abstract: A vehicle air conditioning apparatus is provided which includes: a plurality of seat air conditioning units configured to selectively perform cooling or heating per corresponding seat among a plurality of seats installed in a cabin, respectively; and a plurality of exhaust ducts for discharging, outside the cabin, part of air used in the plurality of seat air conditioning units. An exhaust duct of a given one of the plurality of seat air conditioning units is connected to an air inlet of another seat air conditioning unit.

Abstract: A vehicle climate control assembly for modulating a temperature of a passenger compartment includes a solar panel, a battery, a heating and cooling unit, a temperature sensor, and a controller, all of which are mountable to a vehicle. The battery is operationally engaged to the solar panel, which is mountable to an exterior surface of the vehicle. The heating and cooling unit is in fluidic communication with the passenger compartment of the vehicle and is operationally engaged to the battery. The temperature sensor and the controller are mountable within the passenger compartment. The controller is operationally engaged to the solar panel, the battery, the heating and cooling unit, and the temperature sensor. The temperature sensor measures a temperature of the air in the passenger compartment, positioning the controller to selectively actuate the heating and cooling unit to modulate the temperature within the passenger compartment.

Abstract: A heating temperature is appropriately estimated according to an operation mode to achieve comfortable vehicle interior air conditioning. A vehicular air conditioning device 1 includes a compressor 2, an air flow passage 3, a radiator 4 for heating air to be supplied to a vehicle interior, a heat absorber 9 for cooling the air to be supplied to the vehicle interior, and a heat pump controller. The heat pump controller calculates a heating temperature TH being the temperature of air on a leeward side of the radiator and use the heating temperature in control, and calculates the heating temperature TH using an estimation formula which differs depending on the operation mode.

Abstract: A portable internal combustion engine system includes an internal combustion engine having a fuel storage container and a first output shaft, the internal combustion engine rotates the first output shaft; a compressor engaged with the first output shaft, the first output shaft to provide energy thereto; an evaporative coil within a first housing and in fluid communication with the compressor and to receive a refrigerant from the compressor; a first fan engaged with the first output shaft and to pull air over the evaporative coil; a first outlet in gaseous communication with the first housing and to expel cool air via a first blower; and a control system to operate the internal combustion engine, the compressor, and first blower expel cool air.

Abstract: Provided is vehicle seat with a seat cushion and a seat back, the vehicle seat comprising: a duct disposed astride the seat cushion and the seat back, and configured to connect an air passage and a blower, the air passage being formed in the seat cushion and the seat back; and a side frame cover configured to cover part of the duct. The duct includes a first duct member and a second duct member connected to the first duct member. The side frame cover is configured to cover at least part of a first connected section that is a section at which the first duct member and the second duct member are connected.

Abstract: Disclosed herein is an air conditioning system for a vehicle, in which an air conditioning unit having noise inducing unit is arranged at an engine room based on a dash panel and a distribution duct for distributing air to the interior of the vehicle is arranged in the interior of the vehicle based on the dash panel, thereby reducing noise and vibration in the interior of the vehicle, securing visibility and enabling a worker to easily access the air conditioning system for follow-up service because the air conditioning unit causing noise is arranged inside the engine room, and enhancing passengers' convenience by maximizing the interior space of the vehicle in comparison with the conventional air conditioning systems because only the distribution duct is arranged in the interior of the vehicle.

Abstract: A combined heat exchanger includes a heat exchange unit having a plurality of plate-like members stacked together. The heat exchange unit includes a heat absorption evaporation unit and an internal heat exchange unit. The heat absorption evaporation unit includes a heat absorption refrigerant passage, and the internal heat exchange unit includes a high pressure refrigerant passage and a low pressure refrigerant passage. The combined heat exchanger has at least one of a high pressure refrigerant outlet port that allows the refrigerant flowing out of the high pressure refrigerant passage to flow out to a cooling refrigerant passage and a low pressure refrigerant inlet port that allows the refrigerant flowing out of the cooling refrigerant passage to flow into the low pressure refrigerant passage.

Abstract: Methods and systems are provided for controlling an air conditioning system of a motor vehicle. In one example, a cabin of the vehicle may be heated firstly to a first temperature by flowing coolant to a heat exchanger, coolant may be diverted away from the heat exchanger and toward the engine in order to increase a temperature of the engine, and the coolant may then flow again to the heat exchanger in order to heat the cabin to a second temperature. An amount of fuel savings resulting from heating the engine by diverting coolant away from the heat exchanger may be displayed to an operator of the vehicle via a display device.

Abstract: A seat air conditioner includes a housing disposed in a space formed below a seating portion of a seat and above a cabin floor surface inside a cabin. The housing houses: a compressor that compresses and discharges a refrigerant; a condenser that dissipates heat from the refrigerant discharged from the compressor; a decompressor that decompresses the refrigerant flowing out of the condenser; an evaporator that evaporates the refrigerant decompressed by the decompressor; and an air blower that blows air to be heat-exchanged with the refrigerant. The air blower is capable of drawing the air through a ventilation opening formed on an upper face of the housing.

Abstract: An external cooling system for hydraulic fluid of an aircraft hydraulic system. The external cooling system includes a heat exchanger, where an input side of the heat exchanger is connected to a hydraulic fluid reservoir of the aircraft hydraulic system and an output side of the heat exchanger is connected to suction ports of a return side of an electric motor driven pump (EMDP) of the aircraft hydraulic system. The external cooling system operates on 120 VAC power and the hydraulic fluid does not exceed a maximum pressure of 50 pounds per square inch gauge. The EMDP pumps hydraulic fluid through the hydraulic system under conditions wherein fuel tanks in the aircraft are empty, and the external cooling system cools the hydraulic fluid as the EMDP pumps the hydraulic fluid, wherein the hydraulic fluid passes from the hydraulic fluid reservoir and through the external cooling system before entering the EMDP.

Abstract: A utility vehicle includes a plurality of ground engaging members and a frame supported by the plurality of ground engaging members. Additionally, the utility vehicle includes an operator area having a front seating section and a rear seating section.

Abstract: A mobile heating system includes an enclosure defining a plenum that houses a fan and an internal combustion engine. The heating system also includes a hydraulic circuit including a hydraulic pump operably coupled to the internal combustion engine and a first heat exchanger located in the plenum and in fluid communication with the hydraulic pump. The hydraulic circuit also includes a hydraulic motor operably coupled to the fan wherein the hydraulic motor is in fluid communication with and driven by the hydraulic pump. A first valve is disposed between the hydraulic pump and the heat exchanger and is configured to restrict fluid flow and to increase a fluid pumping pressure of the hydraulic pump. A second valve is located upstream of the first valve and is configured to selectively direct hydraulic fluid between the first valve and the hydraulic motor.

Abstract: An absorption cycle based system is disclosed for using waste heat from a vehicle and providing selective heating, cooling, and dehumidifying to a vehicle compartment. The system includes a waste heat loop in thermal communication with a power generating unit of the vehicle, and a vapor absorption subsystem. The vapor absorption subsystem may include a thermal compressor in thermal communication with the waste heat loop, a radiator unit, a condensing unit for heating the vehicle compartment, an evaporating unit for selectively cooling and dehumidifying the vehicle compartment, and a plurality of valves configured to selectively direct refrigerant through the vapor absorption subsystem. The vehicle compartment may include at least one of a passenger cabin, an electronics housing, a battery pack, an engine compartment, and a refrigeration compartment.

Abstract: The present invention relates to an axle drive for a vehicle, said axle drive comprising at least one electrical machine, at least one power electronics system and at least one transmission, which are arranged in a housing, a first housing partition being situated between the at least one electrical machine and the at least one power electronics system. A further second housing partition is situated between the at least one electrical machine and the at least one transmission. The first housing partition consists of a first material, and/or the second housing partition consists of a second material.

Abstract: A stop control method for a fuel cell system of a vehicle can include: determining whether a fuel cell of the fuel cell system is shut down when a key-off signal is received; comparing a voltage of the fuel cell with a first set voltage when it is determined that the fuel cell is not shut down; controlling a voltage of a high-voltage terminal downwardly when the voltage of the fuel cell is larger than the first set voltage; turning on a cathode oxygen depletion (COD) relay a first time after controlling the voltage of the high-voltage terminal downwardly; turning off a high-voltage terminal relay a first time after turning on the COD relay, the high-voltage relay disposed between the fuel cell and the high-voltage terminal; and shutting down the fuel cell and performing key-off control after turning off the high-voltage terminal relay.

Abstract: A control unit for an air conditioning system of a vehicle is provided, wherein the air conditioning system has automatic climate control. The control unit is configured to calculate a fan strength limitation specified by a user. The control unit is further configured to activate the fan of the air conditioning system for automatic climate control depending on a fan characteristic curve and depending on the fan strength limitation, wherein the fan characteristic curve displays a fan strength for a fan of the air conditioning system as a function of a control deviation of the automatic climate control.

Abstract: A process valve manifold comprises an inlet for a heat transfer medium, a main outlet for the heat transfer medium, a main duct extending between the inlet and the main outlet, ports for secondary circuits, a 3/2-way valve which is arranged in the main duct, and a bypass outlet. The 3/2-way valve is switchable between different positions. The positions determine a flow cross-section by which the bypass outlet and the main outlet are in communication with the main duct. The manifold further comprises control valves for determining a flow cross-section between the main duct and the ports for the secondary circuits.

Abstract: A heat exchanger unit includes a heat exchanger, a drain pan, and a housing. The drain pan is a pullout drain pan capable of being pulled out sideways from the housing. A dew dripping space is formed between the heat exchanger and the outlet side surface of the housing, and in the dew dripping space, dew formed at the heat exchanger and blown off by an air flow drips into the drain pan due to its own weight before reaching the outlet of the housing. The heat exchanger unit further includes a fixing component by which the heat exchanger is fixed to the outlet side surface of the housing without interfering with the lateral movement of the drain pan and that forms the dew dripping space between the heat exchanger and the outlet side surface of the housing.

Abstract: A heating, ventilation and air conditioning (HVAC) system of a vehicle includes: an indoor air conditioning circuit which produces to supply cooling air to a vehicle interior by heat-exchanging inflow air through an indoor air inlet or an outdoor air inlet with an evaporator, and which produces to supply warm air to the vehicle interior or to discharge to the outside of the vehicle interior by heat-exchanging inflow air with a heat exchanger. The heat exchanger is connected with an engine cooling circuit so that engine coolant is used as a heat source of the heat exchanger, thereby improving the cooling performance of the ERG cooler.

Abstract: Methods and systems for controlling a climate control system of a vehicle are provided. The provided system and method determines whether an auxiliary seat is in fluid communication with the climate control system. When an auxiliary seat is in fluid communication with the climate control system, commands are generated for the climate control system to assure that a combination of airflow temperature and airflow velocity to the auxiliary seat are within configurable targets.

Abstract: The present invention relates to a vehicular heat pump system and, more specifically, to a vehicular heat pump system having a chiller for heat exchanging cooling water circulating through vehicle electrical equipment (200), a refrigerant discharged from an outdoor heat exchanger so as to flow through a first bypass line (R1), and a refrigerant discharged from an indoor heat exchanger, thereby: in the air conditioner mode, increasing sub-cool while the refrigerant discharged from the indoor heat exchanger is first cooled at the chiller and then is second cooled at the outdoor heat exchanger such that the flow rate of refrigerants increases and cooling performance is improved; in the heat pump mode, allowing the refrigerant discharged from the indoor heat exchanger to ensure sub-cool in the chiller so as to increase the flow rate of refrigerants, and allowing the refrigerant discharged from the outdoor heat exchanger to receive an additional heating source from the chiller so as to improve heating performance;

Abstract: The disclosure provides a battery module. The battery module includes a battery stacked body, which includes stacked batteries; cooling plates that are installed at the tail ends in a battery stacking direction of the battery stacked body, and the cooling plates and the battery stacked body are installed in a thermal insulation mode; and heat transfer device that are in thermal contact with the cooling plates, and heat of the batteries is transferred to the cooling plates through the heat transfer device; wherein in a normal charging-discharging state, the battery with the highest temperature in the battery stacked body is a battery A; and between a single cooling plate and the battery A, a thermal resistance between each battery and the heat transfer device is reduced along with the increase of a distance between the each battery and the cooling plate in the battery stacking direction.

Abstract: The present invention relates to an air conditioning system for a vehicle and a method for controlling the same and, more specifically, to an air conditioning system for a vehicle and a method for controlling the same in which an opening/closing valve and an expansion valve are installed on a branch line connecting a first air conditioning unit and a second air conditioning unit, the opening/closing valve is always open so as to always supply a refrigerant to the second air conditioning unit during a cooling mode, and the opening/closing valve is always closed so as to always block the refrigerant supply to the second air conditioning unit during a heating mode, such that the refrigerant flows into the branch line of the second air conditioning unit even during a single cooling mode, thereby solving the problem wherein the pressure of a compressor increases, oil is forcibly circulated through a notch of the expansion valve, thereby solving the problem wherein the oil circulation rate decreases, and the refrig

Abstract: A tire smoke induction prevention system for a motor vehicle includes a tire smoke condition feature and a controller. The tire smoke condition feature may be adapted to produce a warning signal when potential for tire smoke generation exceeds a predetermined level or likelihood. The controller is adapted to respond to such a warning signal and engage a climate control system of the motor vehicle in recirculation mode. A related method for preventing the induction of tire smoke into a passenger cabin of a motor vehicle is also provided.

Abstract: An air conditioning seat including: a blowing path through which air is blown out from a seat surface, the blowing path including a panel member, the panel member including: an air distribution plate portion which has a vertical plate shape, extends to project from a seat side portion to a seat surface side, and in which air flows along an inner side surface thereof in a seat width direction, and a bent plate portion which is bent inward in the seat width direction from a part of the air distribution plate portion which projects further than a seat top surface, and which is configured to discharge the air flowing toward the seat surface side along the air distribution plate portion by bending the air inward in the seat width direction.

Abstract: Methods, systems, and computer program products for pre-cooling and pre-heating vehicles using crowd estimation techniques are provided herein. A computer-implemented method includes estimating the number of individuals having travelled in a vehicle over sub-routes of a fixed route, learning temporal patterns pertaining to the number of individuals in the vehicle across each of the sub-routes, predicting the number of individuals that will be in the vehicle during the sub-routes based on the patterns, computing an expected amount of time for the vehicle to complete a sub-route and arrive at a location that commences a subsequent sub-route, determining an amount by which the energy required to maintain a temperature range in the vehicle is to be modified prior to the vehicle reaching the location based on said predicting and said computing, and utilizing energy to maintain the temperature range, based on said determining, prior to the vehicle reaching the location.

Abstract: A method and apparatus of adaptive climate control in a vehicle heating, ventilation, air conditioning (HVAC) system includes setting an initial climate condition for one or more zones in a vehicle passenger compartment based upon an occupant of the one or more zones. One or more inputs are monitored, and the climate conditions are changed for at least one of the one or more zones based upon the received one or more inputs. Data relating to the applied changed climate conditions for that occupant is stored.

Abstract: In an embodiment, an integrated ground support system for an aircraft is described herein, the system including a frame on which the system is arranged as a singular assembly. An engine, drive train, alternator, bleed air unit, one or more electrical components, and air cycle machine are mounted on the frame. The engine operates at a first operational state associated with a first rotational speed that is independent of a frequency associated with electrical power, if only the electrical power is to be used by the aircraft, and the engine operates at a second operational state associated with a second rotational speed, different from the first rotational speed, that is a function of a pressure associated with bleed air or the conditioned air, if the electrical power and one of the bleed air or the conditioned air are to be used simultaneously by the aircraft.

Abstract: An auxiliary heat exchanger separated from a main heat exchanger is disposed at the position facing a heat exhausting passage. The auxiliary heat exchanger switches among an inside air heat exchanging state in which a condenser performs heat exchange with the air inside the vehicle interior, an outside air heat exchanging state in which the condenser performs heat exchange with the air outside the vehicle interior, and a ventilation heat exchanging state in which the condenser performs heat exchange with the ventilation air. The auxiliary heat exchanger switches among an inside air heat exchanging state in which the evaporator performs heat exchange with the air inside the vehicle interior, an outside air heat exchanging state in which the evaporator performs heat exchange with the air outside the vehicle interior, and a ventilation heat exchanging state in which the evaporator performs heat exchange with the ventilation air.

Abstract: A connecting pipe is made from polymer material and is shaped to link an opening of an air inlet pipe of a thermal device of a motor vehicle and an opening of a firewall of the vehicle. The connecting pipe has a cross section equal to or greater than a cross section of the air inlet pipe. The connecting pipe has two open ends. The two open ends include a first open end having a first interface which is shaped to be assembled and fixed to the air inlet pipe, and a second open end having a second interface which includes a bearing surface which is shaped to be applied against the firewall on the periphery of the firewall opening.

Abstract: A refrigeration cycle device includes: a high-pressure side heat exchanger; a low-pressure side heat exchanger; a vehicle-mounted device that supplies heat to the heat medium; a heat-medium air heat exchanger that exchanges heat between the heat medium and air; a switching portion that switches between a state in which the heat medium circulates through the high-pressure side heat exchanger and a state in which the heat medium circulates through the low-pressure side heat exchanger with respect to each of the vehicle-mounted device and the heat-medium air heat exchanger; and a controller that drives the compressor, while controlling an operation of the switching portion to switch to a defrosting mode in which the heat medium circulates between the low-pressure side heat exchanger and the vehicle-mounted device, and the heat medium circulates between the high-pressure side heat exchanger and the heat-medium air heat exchanger, when defrosting of the heat-medium air heat exchanger is necessary.

Abstract: A heating, ventilation, and air condition (HVAC) system of a work vehicle includes a housing configured to mount to a structure of a cab of the work vehicle. The housing includes at least one mounting assembly configured to support at least one heat exchanger within the housing, and the at least one mounting assembly is configured to position the at least one heat exchanger such that the at least one heat exchanger extends through the structure from an interior of the cab to an exterior of the cab while the at least one heat exchanger is coupled to the at least one mounting assembly.

Abstract: A device for controlling a temperature of an electric energy store of a vehicle includes a first flow path which opens into a housing of the electric energy store and has an air conditioning system for air-conditioning a passenger compartment of the vehicle. The air conditioning system includes a heating and/or cooling device and a second flow path which leads from the at least one heating and/or cooling device into the passenger compartment. The two flow paths are connected in the device such that an airflow in one of the two flow paths is fluidically independent of an airflow in the respective other of the two flow paths. The device has a heat exchanger which is connected in the two flow paths for a pure heat exchange between the air flows in the two flow paths.

Abstract: A vehicle air-conditioning apparatus that exhibits improved energy saving performance is provided. In addition, a vehicle with such a vehicle air-conditioning apparatus is provided. The vehicle air-conditioning apparatus includes a cooler provided in a first air passage, and a first air-sending device including a motor and a fan provided in the first air passage, and configured to drive the fan with the motor to thereby generate an airflow that flows into a vehicle interior through the first air passage. At least a part of an outer surface of the motor is located outside the first air passage.

Abstract: An air conditioning module, which can perform cooling and heating through a single module, which is capable of being compact-sized, which can prevent problems caused by condensate water because the condensate water can be easily discharged out, and which can control all of two doors for heating and cooling by a link member and an actuator.

Abstract: Systems, assemblies and circuits are provided for combined heating and occupancy for vehicle seats wherein a plurality of conductors are arranged in a parallel circuit configuration with respect to each other and are attached to a seat mat. Each of the conductors is configured to generate heat in response to receiving an electrical current. Each of the conductors is configured to generate an electrical field in response to receiving an electrical signal and with the electrical field being recognizable for determining presence of an occupant on the seat. At least one bypass conductor is connected between two of the conductors to preserve heating and/or occupancy detection capabilities of the circuit in the event of breakage in any one or more of the conductors.

Abstract: A climate control system for a vehicle having a plurality of modes includes an evaporator having a downstream face. The system also includes at least one blower that blows air across the evaporator. The air downstream of the blower has a pressure distribution defined generally along the downstream face. The pressure distribution along the downstream face is variable depending on which of the plurality of modes the climate control system is currently set.

Abstract: A climate control system for a vehicle having a plurality of modes includes an evaporator having a downstream face. The system also includes at least one blower that blows air across the evaporator. The air downstream of the blower has a pressure distribution defined generally along the downstream face. The pressure distribution along the downstream face is variable depending on which of the plurality of modes the climate control system is currently set.

Abstract: A turbomachine or a turbojet engine or a turboprop engine of an aircraft, including at least one oil circuit and a cooling mechanism including a refrigerant circuit including a first heat exchanger configured to exchange heat between the refrigerant and air and forming a condenser, a second heat exchanger configured to exchange heat between the refrigerant and the oil of the oil circuit and forming an evaporator, an expander mounted downstream from the first exchanger and upstream from the second exchanger, in a direction in which the refrigerant circulates, and a compressor mounted downstream from the second exchanger and upstream from the first exchanger.

Abstract: Disclosed herein is an exhaust gas cooler. The exhaust gas cooler may include a heat exchange pipe received in cooling water of an engine, and through which exhaust gas of the engine passes to exchange heat with the cooling water, and a plate configured to mount the heat exchange pipe to the engine. The heat exchange pipe may include a first pipe unit communicating with an inlet hole for exhaust gas and changing a flow direction of exhaust gas drawn from the inlet hole, a second pipe unit communicating with the first pipe unit, and a third pipe unit communicating with an exhaust gas return hole and the second pipe and changing a flow direction of exhaust gas to guide the exhaust gas to the return hole. A heat dissipation fin may be provided in an internal passage of the second pipe unit.

Abstract: An air-conditioning unit of a motor vehicle may include a fan, an evaporator, and a heat exchanger. The heat exchanger may be arranged downstream of the evaporator. The evaporator and heat exchanger may both be arranged in a housing. The air-conditioning unit may also include a first bypass channel bypassing the evaporator. The first bypass channel may be arranged centrally on a side of the evaporator. A width of the first bypass channel may be smaller than a width of the side of the evaporator on which the first bypass channel is arranged.