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 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: 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 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: The invention relates to a heat exchanger (1), in particular, a gas cooler for a vehicle air-conditioning unit, comprising several flat tubes (2) arranged in two or more parallel rows, a collector tube (6), with one or more longitudinal separating walls (12), running along the longitudinal axis of the collector tube (6), dividing the collector tube (6) into two or more collector channels, whereby the collector tube (6) is embodied from two metal sheets (8) and openings (4) are provided in at least one of the metal sheets (8), for accommodating the ends of the flat tubes (2). Each longitudinal separating wall (12) is provided with tongue-like projections (14), arranged in grooves (16) in at least one of the metal sheets (8) and fixed on the outer side of the metal sheet (8).

Abstract: The invention relates to a condenser for an air-conditioning system, particularly for a motor vehicle, with vertically arranged tubes, through which a coolant can flow and which are connected to an upper and a lower horizontally arranged manifold whereby permitting the flow of coolant. The inventive condenser also comprises a collector parallelly arranged underneath the lower manifold and, via an inflow opening and an outflow opening, between which a separating device is placed, is connected to the manifold in a manner that permits the flow of coolant. The collector accommodates a filtering and/or drying device. The separating device has a suction device for, in essence, liquid coolant.

Abstract: The invention relates to a heat exchanger, especially a gas cooler for CO2, embodied as a cooling agent. The heat exchanger comprises at least one two-part collector unit made of a base and a cover. Said collector unit consists of flat pipes and at least two longitudinal channels with an essentially circular cross-section. The ends of the flat pipes and the base comprise openings for receiving the ends of the pipes. The base, cover and flat pipes are soldered together.

Abstract: The invention relates to a manifold for a cooling agent of an air conditioning plant which comprises a separation form-closed element fixed inside a manifold housing, a heat exchanger provided with said manifold, the closed cooling agent circuit of the air conditioning plant with the manifold and a method for producing said manifold.

Abstract: The invention relates to a cooling agent condenser (1) which comprises a finned tube block (2), collecting tubes (5) arranged on both sides thereof and a manifold (6) which is disposed in a parallel position with respect to the collecting tube (5) and connected to a cooling agent and said collecting tube (5) by means of an overflow opening (8, 9). Said manifold is embodied in the form of a monoblock tube.

Abstract: The invention relates to a heat exchanger, especially a gas cooler for C02, embodied as a cooling agent. The heat exchanger comprises at least one two-part collector unit made of a base and a cover. Said collector unit consists of flat pipes and at least two longitudinal channels with an essentially circular cross-section. The ends of the flat pipes and the base comprise openings for receiving the ends of the pipes. The base, cover and flat pipes are soldered together.

Abstract: The invention relates to a heat exchanging device, especially for a motor vehicle, comprising at least one flow device (8) and at least one collection and/or distribution device. Said collection and/or distribution device comprises at least two moulded parts (2, 3) and at least two bordering elements, and the moulded parts (2, 3) form at least two flow paths (5, 6) for a fluid. Said collection and/or distribution device has a transition region (11) in at least one section, which at least partially interconnects the flow paths (5, 6) of the collection and/or distribution device. The moulded parts (2, 3) come into contact in at least three sections with the flat surfaces thereof.

Abstract: The invention relates to for a motor vehicle air conditioning installation, comprising a pipe/rib block, headers which are arranged on both sides thereof and are used to receive the ends of the pipes, and a collector which is arranged parallel to one of the headers, is fluidically connected to the adjacent header via openings, and respectively comprises a closing element and receives a dryer/filter cartridge on the front side, said cartridge being fixed in the header and comprising a peripheral sealant which is arranged between the openings.

Abstract: Heat exchanger (1), in particular a gas condenser for a CO2 coolant, comprising at least one two-part collector chamber (4) consisting of a base (3) and a cover (5) and a heat exchanger network consisting of flat tubes (2) and corrugated ribs.