Abstract: The invention relates to a condenser of stacked-plate design, having a first flow duct for a refrigerant and having a second flow duct for a coolant.

Abstract: This application relates to a coolant condenser assembly for an air conditioning system for a motor vehicle. In a supercooling region, at least two cooling pipes, as the first supercooling parallel section, are acted upon in parallel by the coolant in a fluid-conducting manner, the coolant which flows out of the first supercooling parallel section flows into a first supercooling intermediate flow duct, and the first supercooling intermediate flow duct opens into at least two cooling pipes as the second supercooling parallel section, and the second supercooling parallel section opens into a second supercooling intermediate flow duct and the second supercooling intermediate flow duct opens into at least two cooling pipes as the third supercooling parallel section, such that the outlet opening is disposed on a second longitudinal side of the coolant condenser assembly.

Abstract: A heat exchanger is provided that includes a first flow channel for a refrigerant, a second flow channel for a refrigerant, and a third flow channel for a coolant, wherein the first flow channel has a first region for initial cooling of the refrigerant and a second region for further cooling of the refrigerant. The refrigerant can flow in a high-pressure phase in the first flow channel and the refrigerant can flow in a low-pressure phase in the second flow channel. A first heat exchange occurs between the refrigerant in the first region of the first flow channel and the coolant in the third flow channel and a second heat exchange occurs between the refrigerant in the second region of the first flow channel and the refrigerant in the second flow channel.

Abstract: A heat exchanger with mutually adjacent first flow channels and second flow channels. The first flow channels and the second flow channels are received in a first manifold at a first end region of the flow channel end regions and in a second manifold at a second end region of the flow channel end regions. The first manifold has a first base and the second manifold has a second base, the first base and second base having a plurality of openings in which the end regions of the flow channels are received. The first manifold has a first longitudinal channel and a second longitudinal channel. The second manifold has a second cover which together with the second base of the second manifold forms transverse channels, and one first flow channel and one second flow channel are fluidically connected to each other via a respective transverse channel.

Abstract: A method for assembling a heat exchanger device of a refrigeration unit may include pushing a heat exchanger coil of the heat exchanger device over a refrigerant collecting vessel of the heat exchanger device. The method may also include fluidically connecting the heat exchanger coil to the at least one cover of the heat exchanger device. The method may further include pushing a tubular casing of the heat exchanger device over the heat exchanger coil, and deforming the tubular casing radially inward.

Abstract: A lubricant composition characterized as having a viscosity of less than about 150,000 cP at ?40° C., a kinematic viscosity of less than about 150,000 cSt at ?40° C., and a kinematic viscosity of at least about 18.5 cSt at 100° C. for use in association with a device involving metal to metal contact of moving parts comprising: (a) base-stock comprising (i) at least one relatively low viscosity polyalphaolefin, (ii) at least one ester, and at least one Group III base oil; (b) viscosity improver comprising (i) at least one relatively high viscosity polyalphaolefin, and (ii) a least one olefin copolymer; (c) a performance additive comprising at least one additive effective to improve at least one property of the lubricant and/or the performance of the equipment in which the lubricant is to be used; (d) at least one pour-point depressant; and, optionally, (e) at least one antifoam agent.

Abstract: In a coolant condenser assembly for a motor vehicle air conditioning system, comprising cooling pipes for conducting a coolant through, two collecting pipes for fluidically connecting the cooling pipes, a collecting container with an upper cover wall and a lower bottom wall and a side wall as well as with an inlet opening for conducting the coolant into the collecting container and an outlet opening for conducting the coolant out of the collecting container, with the result that through the inlet and outlet openings the collecting container is fluidically connected to the collecting pipe and/or the cooling pipes, the collecting container comprises an outlet chamber and a riser pipe, and the outlet opening opens into the outlet chamber, and the outlet chamber is connected to the riser pipe and a storage chamber for the coolant is formed within the collecting container and outside the outlet chamber and outside the riser pipe, the collecting container preferably has an inlet chamber and a downpipe, and the inle

Abstract: A device is provided that includes a fluid inlet and a fluid outlet, wherein the device is in fluid communication with the refrigerant circuit via the fluid inlet and the fluid outlet, wherein the device contains a granular material which can absorb an amount of fluid from the refrigerant, wherein the amount of granular material contained in the device is calculated according to the formula MG=W/WA, where MG is the mass in [g] of the granular material contained in the device, W is the total amount of fluid in [g] that can be absorbed by the granular material, and WA is the amount of fluid that can be absorbed per gram of granular material.

Abstract: The invention relates to a condenser of stacked-plate design, having a first flow duct for a refrigerant and having a second flow duct for a coolant.

Abstract: A condenser assembly including a plurality of heat-exchanger pipes, which are arranged equidistant from each other having corrugated fins arranged therebetween and lead into deflection regions at both ends and have a free length used for heat exchange and, in connection with the corrugated fins, form a frontal area having a width corresponding to the free length of the heat-exchanger pipes and a height, such that the frontal area results from the product of width and height. The heat-exchanger pipes are connected in parallel in groups and the individual groups are connected in series. The heat-exchanger pipes of the individual groups are arranged adjacent and each group has at least two heat-exchanger pipes. The percentage share of the heat-exchanger pipes of the first group results from 26.162 In (S/dm2)?40.746?P?25.49 In (S/dm2)?27.842 for a frontal area.

Abstract: The invention relates to an insert for a collector of a condenser, having a main body with a sealing lip for abutment against the inner wall of the collector axially between the two flow transfer openings of the collector, having a filter element for the fluid to flow through, having a fluid diverting element, and having a fluid duct such that the fluid diverting element diverts the radially inflowing fluid stream into an axially flowing fluid stream, and the fluid duct conducts the diverted fluid flow to the filter.

Abstract: A receiver having a receiver housing that has a fluid-receiving chamber, a fluid inlet, and a fluid outlet. A drier is provided in the fluid-receiving chamber. The receiver is has an inlet channel protrudes into the fluid-receiving chamber, which inlet channel has a channel outlet in the fluid-receiving chamber and conducts fluid into the fluid-receiving chamber from the fluid inlet as a channel inlet, the inlet channel being shaped in such a way that the fluid flowing out of the channel outlet flows out in a lateral direction. A condenser having the receiver is also provided.

Abstract: A heat exchanger with mutually adjacent first flow channels and second flow channels. The first flow channels and the second flow channels are received in a first manifold at a first end region of the flow channel end regions and in a second manifold at a second end region of the flow channel end regions. The first manifold has a first base and the second manifold has a second base, the first base and second base having a plurality of openings in which the end regions of the flow channels are received. The first manifold has a first longitudinal channel and a second longitudinal channel. The second manifold has a second cover which together with the second base of the second manifold forms transverse channels, and one first flow channel and one second flow channel are fluidically connected to each other via a respective transverse channel.

Abstract: A heat exchanger is provided that includes a first flow channel for a refrigerant, a second flow channel for a refrigerant, and a third flow channel for a coolant, wherein the first flow channel has a first region for initial cooling of the refrigerant and a second region for further cooling of the refrigerant. The refrigerant can flow in a high-pressure phase in the first flow channel and the refrigerant can flow in a low-pressure phase in the second flow channel. A first heat exchange occurs between the refrigerant in the first region of the first flow channel and the coolant in the third flow channel and a second heat exchange occurs between the refrigerant in the second region of the first flow channel and the refrigerant in the second flow channel.

Abstract: A header for a heat exchanger, which comprises a plurality of flat tubes arranged in a longitudinal direction. The header has a bottom and a lid. The bottom has a plurality of openings for coupling the header to the plurality of flat tubes. The lid is arranged opposite of the bottom and connected to the lid, at least at the edges extending in the longitudinal direction, in a fluid-tight manner. The lid has a plurality of transverse channels on a side facing the bottom, which are arranged opposite of the plurality of openings, and a longitudinal channel extending in the longitudinal direction.

Abstract: A heat exchanger having at least one collecting tank which extends in a longitudinal direction and which comprises a plate and a cover, wherein the plate has, at least one of its edge regions running in the longitudinal direction, a rim by means of which the plate engages at the outside over an edge region, which runs in the longitudinal direction, of the cover, or wherein the cover has, at least one of its edge regions running in the longitudinal direction, a rim by means of which the cover engages at the outside over an edge region, which runs in the longitudinal direction, of the plate. The respective rim have, in the longitudinal direction, a multiplicity of calked portions by means of which said rim, in the region of each individual calked portion, is deformed in the plate and the cover to one another.

Abstract: A heat exchanger is provided that includes a first tube/fin block, first headers arranged on both sides of the first tube/fin block, which first headers communicate with the tubes of the first tube/fin block, and a second tube/fin block having second headers arranged on both sides of the second tube/fin block, which second headers communicate with the tubes of the second tube/fin block, wherein the first tube/fin block having the corresponding first headers is an air-cooled low-temperature coolant cooler and the second tube/fin block having the corresponding second headers is an air-cooled refrigerant cooler, wherein the headers of the first tube/fin block arranged on a respective side of the tube-fin block and a header of the second tube/fin block are connected to one another.

Abstract: The invention relates to a condenser, in particular a condenser cooled by a coolant, said condenser consisting of at least one tube/fin block having several flat tubes, each flat tube having a plurality of flow channels that extend adjacent to one another in the tube transverse direction and define a refrigerant-side hydraulic diameter (Dh refrigerant). At least one respective intermediate element defining a coolant-side hydraulic diameter (Dh coolant) is arranged in the region of the flat tubes. The condenser is characterized in that the ratio of the two hydraulic diameters (Dh coolant) to (Dh refrigerant) is greater than (>) 1.3.

Abstract: The invention relates to an insert for a collector of a condenser, having a main body with a sealing lip for abutment against the inner wall of the collector axially between the two flow transfer openings of the collector, having a filter element for the fluid to flow through, having a fluid diverting element, and having a fluid duct such that the fluid diverting element diverts the radially inflowing fluid stream into an axially flowing fluid stream, and the fluid duct conducts the diverted fluid flow to the filter.

Abstract: In a coolant condenser assembly for a motor vehicle air conditioning system, comprising cooling pipes for conducting a coolant through, two collecting pipes for fluidically connecting the cooling pipes, a collecting container with an upper cover wall and a lower bottom wall and a side wall as well as with an inlet opening for conducting the coolant into the collecting container and an outlet opening for conducting the coolant out of the collecting container, with the result that through the inlet and outlet openings the collecting container is fluidically connected to the collecting pipe and/or the cooling pipes, the collecting container comprises an outlet chamber and a riser pipe, and the outlet opening opens into the outlet chamber, and the outlet chamber is connected to the riser pipe and a storage chamber for the coolant is formed within the collecting container and outside the outlet chamber and outside the riser pipe, the collecting container preferably has an inlet chamber and a downpipe, and the inle