Abstract: A combination of a refrigerant accumulator and an internal heat exchanger includes a central portion with fluid portions to which the accumulator and heat exchanger are attachable. A connection component includes at least four fluid ports, and components of a refrigerant circuit, in particular an accumulator and/or a heat exchanger, can be mounted thereto on at least two opposite sides.

Abstract: A device for the transfer of heat to control the temperature of batteries and components of the power electronics, particularly for an electric vehicle or a hybrid vehicle, includes an inlet for a fluid and an outlet for the fluid as well as at least two fluid-conducting plate-shaped heat exchanger elements, of which a first plate-shaped heat exchanger element and a second plate-shaped heat exchanger element have planar contact with one another for the transfer of heat. In doing so, the second plate-shaped heat exchanger element is formed for planar contact with a heat transfer surface of a battery and/or a component of power electronics. At least one fluid connection is formed between the first plate-shaped heat exchanger element and the second plate-shaped heat exchanger element such that fluid escaping from the first plate-shaped heat exchanger element can flow through the second plate-shaped heat exchanger element.

Abstract: A heat exchanger with at least one plate includes main dimples between which secondary dimples are formed which are flatter and/or smaller with respect to their dimensions as seen in a plan view. A depth of the secondary dimples may be at most 0.5 times a channel height and/or at most 0.5 times the depth of the main dimples.

Abstract: A compressor module for a refrigerant circuit of a motor vehicle air-conditioning system, exhibiting a modular multi-part housing with a low-pressure refrigerant inlet, a high-pressure refrigerant outlet and a compressor, characterized in that an inner heat exchanger of the refrigerant circuit is produced such that it is integrated into the compressor module, wherein the housing of the compressor module fully encloses the inner heat exchanger.

Abstract: A motor vehicle chiller with several evaporators of different cooling capacity, has a refrigerant circulation with at least one refrigerant compressor, at least one condenser, at least one expansion element as well as at least two evaporators disposed in parallel of different cooling capacity. A refrigerant collector is disposed downstream of the expansion element and upstream of the evaporator of lesser cooling capacity to separate liquid refrigerant. Between the refrigerant collector and the evaporator a refrigerant pump is disposed to convey the liquid refrigerant to the evaporator of lesser cooling capacity. The refrigerant vapor can be guided from the evaporator across the refrigerant collector functioning as a separator and be drawn in by the refrigerant compressor.

Abstract: Device for thermal joining of a heat exchanger for a motor vehicle. The device has a first and a second locating elements and at least one heat source. The locating elements are designed with at least one thermal insulation and with mutually aligned contact surfaces for joining an object between them. At least one locating element is designed movably in relation to the other locating element. At least the first locating element has at least one thermal mass, which is heatable by means of the heat source. The second locating element has a support element with a contact surface for the object, while at least a first thermal mass of the first locating element has a contact surface for heating the object via heat conduction. Method for thermal joining with the device. The use of the method for manufacturing a heat exchanger of plate elements for a motor vehicle.

Abstract: A device for the transfer of heat to control the temperature of batteries and components of the power electronics, particularly for an electric vehicle or a hybrid vehicle, includes an inlet for a fluid and an outlet for the fluid as well as at least two fluid-conducting plate-shaped heat exchanger elements, of which a first plate-shaped heat exchanger element and a second plate-shaped heat exchanger element have planar contact with one another for the transfer of heat. In doing so, the second plate-shaped heat exchanger element is formed for planar contact with a heat transfer surface of a battery and/or a component of power electronics. At least one fluid connection is formed between the first plate-shaped heat exchanger element and the second plate-shaped heat exchanger element such that fluid escaping from the first plate-shaped heat exchanger element can flow through the second plate-shaped heat exchanger element.

Abstract: The invention relates to a motor vehicle chiller (1) with several evaporators (8, 9, 10) of different cooling capacity, comprising a refrigerant circulation with at least one refrigerant compressor (2), at least one condenser (3), at least one expansion element (4) as well as at least two evaporators (8, 9, 10) disposed in parallel of different cooling capacity, which is characterized thereby that downstream of the expansion element (4) and upstream of the evaporator (10) of lesser cooling capacity a refrigerant collector (5) is disposed for the separation of the liquid refrigerant and that between the refrigerant collector (5) and the evaporator (10) a refrigerant pump (6) is disposed for the conveyance of the liquid refrigerant to the evaporator (10) of lesser cooling capacity, wherein the refrigerant vapor can be guided from the evaporator (10) across the refrigerant collector (5) functioning as the separator and be drawn in by the refrigerant compressor (2).

Abstract: The invention concerns an air conditioning system for conditioning the air of a passenger compartment of a motor vehicle including a housing with a first flow channel and a second flow channel for conducting air and a refrigerant circuit with an evaporator and a condenser. The evaporator is arranged in the first flow channel and the condenser in the second flow channel. The air conditioning system is designed for cooling and heating the passenger compartment and for a reheat operation. The setting of the operating mode is done only via the controlling of air guidance mechanisms. One of the heat exchangers evaporator or condenser is arranged with a part of the heat transfer surface in both the first and the second flow channel.

Abstract: A device for a heat exchanger has a hollow cylindrical header and a plurality of flat tubes. A wall of the header includes a plurality of through openings. The flat tubes are received in the through openings through the wall into the inner cross-section of the header tube, and are aligned with the width of the flat tubes parallel to the direction of the inner dimension. A width of the flat tubes is greater than an inner dimension of the inner cross-section and is smaller than the outer dimension of the header tube, wherein the through openings are embodied as having grooves that continue in the wall of the header tube into the inner cross-section. The flat tubes, which are guided in the through openings through the wall, are arranged in the grooves.

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: 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 battery cooler includes at least one support plate and at least one structure plate coupled to the at least one support plate. The at least one structure plate includes a flow channel for receiving a fluid therein. A cross-section of the flow channel has a width greater than a height thereof. The flow channel includes a plurality of webs, wherein one of the webs is disposed adjacent another one of the webs in respect of a direction of flow of the fluid, and the webs decrease the cross-section of the flow channel.

Abstract: A device for a heat exchanger has a hollow cylindrical header and a plurality of flat tubes. A wall of the header includes a plurality of through openings. The flat tubes are received in the through openings through the wall into the inner cross-section of the header tube, and are aligned with the width of the flat tubes parallel to the direction of the inner dimension. A width of the flat tubes is greater than an inner dimension of the inner cross-section and is smaller than the outer dimension of the header tube, wherein the through openings are embodied as having grooves that continue in the wall of the header tube into the inner cross-section. The flat tubes, which are guided in the through openings through the wall, are arranged in the grooves.

Abstract: A coolant accumulator including an accumulation tank with a suction pipe assembly, wherein the suction pipe assembly includes an external suction pipe and an internal suction pipe which are positioned coaxially and at a distance from each other, and connected with each other by way of a connecting piece at the respective lower ends of the suction pipes to form a flow path, and wherein the connecting piece features a radially positioned oil balancing bore which connects an oil sump region of the accumulation tank with the flow path in the suction pipe assembly.

Abstract: The invention relates to a compact vehicle HVAC system including an evaporator unit, a condenser unit, and a component unit, as well as a refrigerant circuit. The evaporator unit and the condenser unit each are provided with air-passed heat exchangers and a fan in a casing. Further circuit components are displaced within the component unit. The casings of the evaporator unit, the condenser unit, and the component unit advantageously establish a connected compact casing arrangement. The heat exchangers are displaced within the compact casing arrangement. The refrigerant circuit is established for a combined refrigeration plant and heat pump operation as well as an afterheating operation, whereby in the afterheating operational mode the heating power of the afterheater established as condenser/gas cooler and the cooling power of the evaporator are controllable independently of each other.

Abstract: The invention concerns an air conditioning system for conditioning the air of a passenger compartment of a motor vehicle including a housing with a first flow channel and a second flow channel for conducting air and a refrigerant circuit with an evaporator and a condenser. The evaporator is arranged in the first flow channel and the condenser in the second flow channel. The air conditioning system is designed for cooling and heating the passenger compartment and for a reheat operation. The setting of the operating mode is done only via the controlling of air guidance mechanisms. One of the heat exchangers evaporator or condenser is arranged with a part of the heat transfer surface in both the first and the second flow channel.

Abstract: A battery cooling system includes a battery and a plurality of battery cooler pipes disposed adjacent the battery. Each of the battery cooler pipes is spaced apart and substantially parallel to an adjacent one of the battery cooler pipes. A clamping element is disposed adjacent at least one of the battery cooler pipes. The clamping element configured to urge the battery cooler pipes against at least a portion of the battery. The clamping element includes a plurality of clamping wings extending outwardly from a center portion of the clamping element. Each of the clamping wings of the clamping element is disposed adjacent at least one of the battery cooler pipes. The battery cooling system may further include a carrier disposed adjacent the center portion of the clamping element to absorb spring forces of the clamping wings.

Abstract: A battery cooling system includes a battery and a plurality of battery cooler pipes disposed adjacent the battery. Each of the battery cooler pipes is spaced apart and substantially parallel to an adjacent one of the battery cooler pipes. A clamping element is disposed adjacent at least one of the battery cooler pipes. The clamping element configured to urge the battery cooler pipes against at least a portion of the battery. The clamping element includes a plurality of clamping wings extending outwardly from a center portion of the clamping element. Each of the clamping wings of the clamping element is disposed adjacent at least one of the battery cooler pipes. The battery cooling system may further include a carrier disposed adjacent the center portion of the clamping element to absorb spring forces of the clamping wings.