Abstract: The invention relates to an air conditioning system for conditioning the air of a passenger compartment of a motor vehicle, including an outlet section for diverting at least a portion of an air-mass flow circulating in the air conditioning system into the environment of the motor vehicle, a housing for directing the air-mass flow, wherein at least one fan for conveying the air-mass flow is designed within the housing, as well as a coolant circuit for tempering components of the motor vehicle, in particular, components of a power train, having a coolant-air-heat exchanger for transferring heat from the coolant to an air-mass flow.

Abstract: A refrigeration plant with refrigerant evaporator arrangement and process for parallel air and battery contact cooling. The refrigeration plant includes a refrigerant evaporator arrangement for parallel air and battery contact cooling, having with a refrigerant compressor and a condenser An evaporator with an assigned controllable expansion member for air cooling and an evaporator as a battery contact cooler with an assigned controllable expansion member for battery cooling are provided. A throttling member is located between the evaporator and the tap of the assigned controllable expansion member.

Abstract: A device for the heat exchange between a first fluid and a second fluid, in particular for a refrigerant circuit of an air conditioning system for treating the incoming air of a passenger compartment of a motor vehicle comprising at least one first row and one second row which are each implemented of tubes for conducting the first fluid, the tubes being disposed in parallel and spaced apart from one another and, with respect to one another, such that the second fluid flows sequentially around the rows in a direction of flow. The tubes are disposed such that second can flow in parallel around the tubes. Rows are each implemented with an inlet and an outlet for the first fluid and spaced apart from one another. Between rows a gap is implemented in each instance. A method for operating the device is also provided.

Abstract: System and method for operating the system for climatizing air of a passenger compartment and for heat exchange with drive components of motor vehicles includes a coolant circuit and refrigerant circuit with a compressor, a refrigerant-air heat exchanger, operated as condenser/gas cooler, at least one expansion element, at least one heat exchanger, operated as evaporator, for conditioning an air-mass flow supplied to the passenger compartment; this is implemented as refrigerant-air heat exchanger, and at least one heat exchanger, operated as evaporator, which is implemented as refrigerant-coolant heat exchanger and disposed within the coolant circuit for heat transfer from coolant to refrigerant. The refrigerant circuit includes a heat exchanger, operated as condenser/gas cooler, which acts as refrigerant-coolant heat exchanger and is disposed within the coolant circuit for heat transfer from refrigerant to coolant.

Abstract: A heat exchanger assembly for cooling of air includes a blower, an air duct and a heat exchanger integrated in a coolant circuit designed to allow coolant to flow therethrough and air to be applied to it. Heat from the air is transferred to the vaporizing coolant. The blower is arranged upstream of the heat exchanger in the airflow direction so that waste from the blower heats the air before reaching the heat exchanger. The heat exchanger is designed as tubular heat exchanger with tubes arranged in rows having a double-row design. A method for operating a climate control system for a combined refrigeration system and heat pump operation for cooling and for heating, and a method for identifying and prevention of icing of the evaporator of the climate control system are also disclosed.

Abstract: An air conditioning system for conditioning the air of a passenger compartment of a motor vehicle comprises a housing with a first and a second flow conduit for conducting air and a coolant circuit with at least two heat exchangers, wherein a first heat exchanger is arranged in the first flow conduit and a second heat exchanger is arranged in the second flow conduit. The first heat exchanger can be operated independently of the operating mode as an evaporator and the second heat exchanger can be operated independently of the operating mode as a condenser. The housing comprises at least one air conduction device with which an air mass flow conditioned in the air conditioning system can be discharged into the environment. The coolant circuit is constructed with a heat exchanger which is arranged outside of the housing and can be operated as an evaporator or as a condenser.

Abstract: An air-conditioning system for conditioning air in a vehicle passenger compartment is configured to operate in a cooling system mode for cooling air to be supplied to the passenger compartment and in a heat pump mode for heating the same, and to operate in a reheating mode. The air-conditioning system includes a housing having a first flow channel and a second flow channel for guiding air to an air distribution system having discharge ports communicating with the passenger compartment, and a refrigerant circulation system having at least two heat exchangers. In this case, the first heat exchanger that operates as an evaporator regardless of operating modes is disposed in the first flow channel, and the second heat exchanger that operates as a condenser/gas cooler regardless of operating modes is disposed in the second flow channel.

Abstract: An air-conditioning system for conditioning air in a vehicle passenger compartment including a housing having a first flow channel and a second flow channel for guiding air, and a refrigerant circulation system having at least two heat exchangers. An air guide device is disposed between the evaporator and the passenger compartment in the first flow channel, and an air guide device is disposed between the condenser/gas cooler and the passenger compartment in the second flow channel. The air guide device disposed in the first flow channel consists of multiple parts such as at least two members, and the members are respectively assigned to air channels extending to the passenger compartment, are independently controllable, and are movable so as to open or close the respective air channels.

Abstract: An air conditioning system of a motor vehicle with a refrigerant circuit for operation in a refrigerator mode and a heat pump mode. The refrigerant circuit includes a primary circuit with a compressor, a heat exchanger for heat transfer between the refrigerant and the surroundings, an expansion element and a heat exchanger for heat transfer from the intake air being conditioned for the passenger compartment to the refrigerant, and a first flow path. The flow path extends from a branching point between the compressor and the heat exchanger to an opening and includes a heat exchanger for heat transfer from the refrigerant to the intake air being conditioned for the passenger compartment. The heat exchanger is situated in a flow direction of intake air of the passenger compartment after the heat exchanger.

Abstract: An apparatus for separating and storing liquid refrigerant in a refrigerant circuit including a housing configured as a refrigerant collection container, the housing having a refrigerant outflow line disposed therein. The refrigerant outflow line extending from an inlet opening, which is disposed in a gas refrigerant region and above a level of the liquid refrigerant, via a liquid refrigerant region to the outside, and has a through-opening formed in the liquid refrigerant region. The housing includes a boiling element for liquid refrigerant disposed therein. The boiling element is connected to the refrigerant outflow line in the region of the through-opening, such that a liquid passing through the through-opening from the housing passes through the boiling element by suction of a gas refrigerant.

Abstract: A valve block assembly for multiple valves, in particular expansion valves and/or shut-off valves, includes a valve block having a plurality of flow paths for fluids and a plurality of adjustment units with assigned drive units, wherein the valve block is designed as comprising two parts, these being a flow path element with the flow paths and a limiting element.

Abstract: A device for separating oil from a coolant-oil mixture and cooling the oil and cooling and/or liquefying the coolant in a cooling circuit. The circuit features a compressor and a heat exchanger positioned downstream from the compressor in the direction of flow of the coolant and a device for separating the oil. The heat exchanger features a first area cooling and/or liquefying the coolant, and a second area as a heat exchanger cooling the oil, the second area is a heat exchanger cooling the oil as an integral part of the heat exchanger. The heat exchanger further features at least two manifolds. The first area of the heat exchanger features flow channels guiding the coolant, and the second area of the heat exchanger features flow channels guiding the oil. The flow channels extend between the manifolds. Each of the flow channels has a respective outside flooded by a heat-absorbing fluid.

Abstract: A refrigerant circuit for a vehicle air conditioning system with heat pump function includes at least one evaporator, a compressor, and a condenser. The refrigerant circuit for the vehicle air conditioning system further includes an expansion element. A supplemental evaporator is arranged upstream from the compressor in a separate fluid guiding arrangement in the refrigerant circuit.

Abstract: An air conditioning system for a motor vehicle operable in refrigeration mode and in heat pump mode, as well as in reheating mode. The operating mode adjusted by controlling air dampers and air directing elements. The air conditioning system has a housing having a cold air flow path a warm air flow path, and an air outlet. The air outlet formed in the region of the cold air flow path and discharging air into the environment. The warm air flow path branches off from the cold air flow path. The cold air flow path and the warm air flow path lead into a first mixing chamber. The air conditioning system further includes a refrigerant circuit having a heat exchanger operable as an evaporator, a compressor, a heat exchanger operable as a first condenser/gas cooler, a heat exchanger operable as a second condenser/gas cooler, and an expansion element.

Abstract: A compact heat exchanger and blower unit for motor vehicles, including a blower for the propulsion of an air mass flow with an inlet and an outlet, as well as a coolant-air heat exchanger with an air inlet and an air outlet. The blower, which is embodied as a radial blower, and the coolant-air heat exchanger are aligned with respect to each other such that the air mass flow is propelled by the blower into the coolant-air heat exchanger.

Abstract: An air conditioning system for conditioning air of a passenger compartment of a motor vehicle. The air conditioning system operable in a cooling mode, a heat pump mode, and a reheating mode, the system includes an enclosure with a first flow channel and a second flow channel conducting air, and a refrigerant circulation system with a heat exchanger operable as an evaporator independent of the operating mode and a heat exchanger operable as a condenser independent of the operating mode. Both heat exchangers are located inside the enclosure. The refrigerant circulation system also includes a heat exchanger outside of the enclosure and inside the refrigerant path, an expansion element upstream from the evaporator in the flow direction of the refrigerant, and a bypass parallel to the refrigerant path to channel the refrigerant around the heat exchanger as needed.

Abstract: Vehicle climate control system and method for control of the vehicle climate control system for temperature regulation of a vehicle battery, the vehicle climate control system includes a refrigerant circuit containing at least a compressor, a gas cooler/condenser, an expansion element, an evaporator, as well as refrigerant lines to connect the components, wherein an intermediate expansion element is arranged upstream from the expansion element in the refrigerant flow direction and a heat exchanger for the temperature regulation of a vehicle battery is arranged between the expansion elements.

Abstract: The invention relates to a heat exchanger for temperature controlling and fastening of battery units of the battery of a vehicle. The heat exchanger includes flat tubes that are passable by a heat carrier and a collecting tube and distributing tube for conducting the heat carrier. The flat tubes are established as multi-channel flat tubes. The collecting tube and the distributing tube are connected to each other over the flat tubes so that a holding frame is established that provides a structure forming spaces. The spaces are provided as chambers for accommodating the battery units.

Abstract: A modular vehicle air-conditioning unit for heating and cooling air includes a housing having at least one blower and a plurality of flaps for setting air flow paths and a refrigerant circuit in fluid communication with the housing. The refrigerant circuit includes a condenser, an evaporator, a compressor, and an expansion device. An evaporator air flow path through the evaporator and a condenser air flow path through the condenser are formed in the housing. At least one of the evaporator air flow path and the condenser air flow path receives air from at least one of an environment, a passenger compartment of a vehicle, and any mixture of thereof.

Abstract: The invention concerns an air conditioning system for the conditioning of the air of a passenger compartment of a motor vehicle. The air conditioning system has a refrigerant circuit with a compressor, a refrigerant-coolant heat exchanger for desuperheating the refrigerant after the compression, a first refrigerant-air heat exchanger and a second refrigerant-air heat exchanger, and at least one coolant circuit. The coolant circuit has a heating heat exchanger for heating an air mass flow being supplied to the passenger compartment. The refrigerant-coolant heat exchanger is designed as a component of the coolant circuit having the heating heat exchanger. The air conditioning system is designed for an operation in refrigerator mode, in heat pump mode, and in afterheating mode for the heating, cooling, and dehumidification of the air being supplied to the passenger compartment. A valve arrangement switches the air conditioning system between the different operating modes.