Patents by Inventor Kurt Molt
Kurt Molt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9097469Abstract: 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.Type: GrantFiled: December 5, 2011Date of Patent: August 4, 2015Assignee: MAHLE Behr GmbH & Co. KGInventors: Uwe Foerster, Kurt Molt
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Patent number: 8985193Abstract: 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.Type: GrantFiled: February 21, 2012Date of Patent: March 24, 2015Assignee: Behr GmbH & Co. KGInventors: Stefan Hirsch, Kurt Molt, Uwe Foerster
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Patent number: 8387407Abstract: The invention relates to a condenser for an air conditioning system, especially an air conditioning system of a vehicle, said condenser comprising a gill block and laterally arranged headers, the gill block comprising horizontal pipes, a condensing section and a supercooling section arranged above the condensing section. Said condenser also comprises a collector (5) arranged parallel to one of the headers and receiving a drier (16), a filter (18), a downpipe (15) and a rising pipe. The collector (5) is connected to the condensing section by means of a first overflow opening (8) and to the supercooling section by means of a second overflow opening (9) in such a way that a coolant can circulate. The downpipe (15) communicates with the first overflow opening (8), on the inlet side, by means of an inflow chamber (10) arranged in the collector (5).Type: GrantFiled: February 25, 2008Date of Patent: March 5, 2013Assignee: Behr GmbH & Co. KGInventors: Martin Kaspar, Kurt Molt
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Publication number: 20120211495Abstract: 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.Type: ApplicationFiled: February 21, 2012Publication date: August 23, 2012Inventors: Stefan HIRSCH, Kurt Molt, Uwe Foerster
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Publication number: 20120138282Abstract: 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.Type: ApplicationFiled: December 5, 2011Publication date: June 7, 2012Inventors: Uwe FOERSTER, Kurt MOLT
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Patent number: 8151871Abstract: 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).Type: GrantFiled: December 8, 2004Date of Patent: April 10, 2012Assignee: BEHR GmbH & Co. KGInventors: Uwe Förster, Kurt Molt
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Patent number: 7832230Abstract: 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.Type: GrantFiled: May 4, 2005Date of Patent: November 16, 2010Assignee: Behr GmbH & Co, KGInventors: Georg Feldhaus, Uwe Förster, Martin Kaspar, Kurt Molt
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Publication number: 20100147019Abstract: The invention relates to a condenser for an air conditioning system, especially an air conditioning system of a vehicle, said condenser comprising a gill block and laterally arranged headers, the gill block comprising horizontal pipes, a condensing section and a supercooling section arranged above the condensing section. Said condenser also comprises a collector (5) arranged parallel to one of the headers and receiving a drier (16), a filter (18), a downpipe (15) and a rising pipe. The collector (5) is connected to the condensing section by means of a first overflow opening (8) and to the supercooling section by means of a second overflow opening (9) in such a way that a coolant can circulate. The downpipe (15) communicates with the first overflow opening (8), on the inlet side, by means of an inflow chamber (10) arranged in the collector (5).Type: ApplicationFiled: February 25, 2008Publication date: June 17, 2010Applicant: BEHR GMBH & CO. KGInventors: Martin Kaspar, Kurt Molt
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Patent number: 7578340Abstract: 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.Type: GrantFiled: March 22, 2004Date of Patent: August 25, 2009Assignee: Behr GmbH & Co. KGInventors: Uwe Förster, Kurt Molt
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Patent number: 7428825Abstract: 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.Type: GrantFiled: August 19, 2003Date of Patent: September 30, 2008Assignee: BEHR GmbH & Co. KGInventors: Uwe Förster, Kurt Molt, Gerrit Wölk
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Publication number: 20080156012Abstract: 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.Type: ApplicationFiled: May 4, 2005Publication date: July 3, 2008Applicant: BEHR GmbH & Co. KGInventors: Georg Feldhaus, Uwe Forster, Martin Kaspar, Kurt Molt
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Patent number: 7334429Abstract: 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.Type: GrantFiled: August 19, 2003Date of Patent: February 26, 2008Assignee: Behr GmbH & Co. KGInventors: Uwe Förster, Kurt Molt, Gerrit Wölk
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Publication number: 20070271955Abstract: A collector unit for heat exchangers, having a collector and a dryer, the collector having a jacket wall extending around its longitudinal axis and is formed, by a first tube, the collector having at least one inlet opening for a fluid, such as refrigerant, and at least one outlet opening for the fluid, and the outlet opening being situated in the end area facing the first axial end of the collector, and the collector having at its second axial end, facing away from the first axial end, a removal opening for exchanging the dryer, and a detachable closure being provided for this removal opening in the area of the second end, wherein on the side of the first tube facing away from the first end, an adapter device or a first profile piece for the detachable closure is provided on which the detachable closure is held in its closed position.Type: ApplicationFiled: November 10, 2004Publication date: November 29, 2007Inventors: Uwe Forster, Gerrit Wolk, Martin Kaspar, Kurt Molt
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Publication number: 20070256823Abstract: The invention relates to a heat exchanger (1), in particular for an over critical cooling circuit. Said heat exchanger comprises a block consisting of tubes (R) and ribs. A gaseous medium, in particular air, can flow over said ribs. A second medium, in particular a coolant, can flow through the tubes (R), which are arranged in at least four rows (1.1, 1.2, 1.3, 1.4, in particular in a cross-counter flow in relation to the gaseous medium.Type: ApplicationFiled: December 6, 2004Publication date: November 8, 2007Inventors: Kurt Molt, Gerrit Wolk
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Publication number: 20070151714Abstract: 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).Type: ApplicationFiled: December 8, 2004Publication date: July 5, 2007Inventors: Uwe Forster, Kurt Molt
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Publication number: 20060266509Abstract: 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.Type: ApplicationFiled: March 22, 2004Publication date: November 30, 2006Applicant: BEHR GmbH & CO. KGInventors: Uwe Förster, Kurt Molt
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Publication number: 20060254760Abstract: 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.Type: ApplicationFiled: August 2, 2004Publication date: November 16, 2006Inventors: Uwe Förster, Kurt Molt, Gerritt Wolk
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Patent number: 7121114Abstract: 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.Type: GrantFiled: March 24, 2003Date of Patent: October 17, 2006Assignee: Behr GmbH & Co., KGInventors: Uwe Förster, Kurt Molt, Gerrit Wölk
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Patent number: 7121332Abstract: 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.Type: GrantFiled: November 3, 2003Date of Patent: October 17, 2006Assignee: Behr GmbH & Co. KGInventors: Uwe Förster, Kurt Molt
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Publication number: 20060185385Abstract: A condenser (1) for a vehicle air conditioning system comprises a finned tube block (2) and laterally arranged header tubes (3, 4). The finned tube block (2) has horizontally running tubes forming a condensing section (P1 to P5) and a supercooling section (P6) arranged above the condensing section. A collector (5) arranged parallel to one of the header tubes accommodates a dryer-filter insert (10) and an ascending pipe (15). The collector is connected for refrigerant flow via a first overflow opening (8) to the condensing section (P5) and via a second overflow opening (9) to the supercooling section (P6). An inflow chamber (13) can be formed in the region of the first overflow opening (8) in the collector (5) and can be upwardly bounded by a stopper (11) and downwardly bounded by the dryer-filter insert (10), or a downward flow pipe 21 can transport refrigerant from the first overflow opening to the dryer-filter.Type: ApplicationFiled: February 3, 2006Publication date: August 24, 2006Inventors: Georg Feldhaus, Uwe Forster, Martin Kaspar, Kurt Molt