Patents Assigned to J. Eberspacher GmbH & Co.
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Patent number: 6724983Abstract: The invention relates to a heater part, especially for a liquid fuel-operated vehicle water or air heater in the form of a supplementary heater or an auxiliary heater with a burner and a heat-exchanger. According to the invention, at least one part of a fuel heater (1) and at least one part of an electric heater (1′) are provided as a structural unit, in particular in order to retrofit or expand an electrically operated heater (1′) with a heater (1) for fuel operation.Type: GrantFiled: September 28, 2001Date of Patent: April 20, 2004Assignee: J. Eberspacher GmbH & Co.Inventors: Michael Humburg, Hermann Eppler
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Patent number: 6722862Abstract: A metering device for a heating appliance has a pump arrangement for the delivery of liquid that is supplied via an inlet region to an outlet region and a valve arrangement by which the pump arrangement is connected with the inlet region to receive liquid or with the outlet device to deliver liquid. The valve arrangement has a valve member that is brought into a first actuating position in which the valve member permits a liquid flow from the inlet region to the pump arrangement and prevents a liquid delivery from the pump arrangement to the outlet region. In a second actuating position the valve member prevents a liquid supply from the inlet region to the pump arrangement and permits a liquid delivery from the pump arrangement to the outlet region.Type: GrantFiled: February 24, 2002Date of Patent: April 20, 2004Assignee: J. Eberspacher GmbH & Co. KGInventors: Rolf Hartnagel, Sascha Tippl, Liane Schupp
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Patent number: 6712283Abstract: The invention pertains to a heating apparatus (1), in particular, an auxiliary heater and/or a parking heater for a motor vehicle, with a one-piece or one-part housing (2) that contains a combustion chamber shaft (3), in which a heat transfer casing (8) is arranged, wherein the inner side (9) of said heat transfer casing encloses a combustion chamber (5) and is subjected to hot exhaust gases during the operation of the heating apparatus (1), wherein the outer side (11) of the heat transfer casing forms the inner envelope of a cooling fluid space (10), through which a cooling fluid flows during the operation of the heating apparatus (1), wherein the outer envelope of said cooling fluid space is formed by the inner side of the combustion chamber shaft (3), and wherein the housing (2) also contains a catalyst shaft (4), in which at least one catalytic element (15) is arranged through which hot exhaust gases flow during the operation of the heating apparatus (1).Type: GrantFiled: January 8, 2003Date of Patent: March 30, 2004Assignee: J. Eberspächer GmbH & Co. KGInventor: Michael Humburg
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Patent number: 6712282Abstract: A fluid delivery device, in particular for the delivery of combustion air to a heating burner of a motor vehicle or for the delivery of heating medium, preferably heating air, through a heating medium duct system of a motor vehicle, comprises a delivery member which can be driven to rotate by a drive, a rotary state monitoring arrangement for monitoring the rotary state of the delivery member, and also an operating state sensing arrangement for determining the operating state of a system to be supplied with fluid by the fluid delivery device, based on the monitoring result of the rotary state monitoring arrangement.Type: GrantFiled: February 24, 2002Date of Patent: March 30, 2004Assignee: J. Eberspacher GmbH & Co.Inventors: Günter Eberspach, Walter Blaschke, Dieter Götz
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Publication number: 20040052884Abstract: The present invention relates to a method of pressing a bearing jacket (2) onto a monolith (3) of a catalytic converter, in particular in a motor vehicle.Type: ApplicationFiled: September 9, 2003Publication date: March 18, 2004Applicant: J.EBERSPACHER GmbH & Co. KGInventors: Norbert Schug, Bernd Muller, Gerhard Bungert
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Patent number: 6695037Abstract: A heater of a motor vehicle is provided which is operated with liquid fuel. The heater is especially a water heater in the form of an auxiliary heater or parking heater. The heater has a burner and heat exchanger in a housing with a cover, in which the connecting branches for the water feed and air feed and for the water return and the air return are arranged. At least one of the connecting branches is designed as a rotatable elbow branch (rotatable elbow socket). An antirotation lock may be provided for easy individual line guidance requiring little space in the automobile.Type: GrantFiled: June 19, 2001Date of Patent: February 24, 2004Assignee: J. Eberspächer GmbH & Co.Inventors: Michael Humburg, Hermann Eppler, Paul Achatz
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Patent number: 6681889Abstract: An exhaust muffler for a fuel-operated heating device has upper and lower housing half shells, an exhaust gas through-duct and absorption and reflection chambers. The exhaust muffler is connectable to an exhaust pipe of the heating device. The exhaust gas through-duct has an inlet pipe of a single absorption chamber and a single following reflection chamber that are separated by a partially perforated partition, with double reversal of the exhaust gas flow, and an outlet pipe; the inlet pipe being perforated on the outer surface side, with an S-shaped curved section and a straight end section, and the outlet pipe being a straight outlet pipe, closed on the outer surface side, and the straight section of the inlet pipe runs parallel to, and at a spacing from, an inlet section of the outlet pipe.Type: GrantFiled: December 6, 2001Date of Patent: January 27, 2004Assignee: J. Eberspacher GmbH & Co.Inventors: Andreas Collmer, Thomas Rose
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Patent number: 6660359Abstract: A fiber mat is configured such that the fibers 2 of an intermediate layer arranged between two adjacent layers touch the fibers of one of the layers at positions situated at a distance from the contact points with the fibers of the other layer. The positioning and the material of the fibers is designed to have a high elasticity with regard to pressing.Type: GrantFiled: February 9, 2001Date of Patent: December 9, 2003Assignee: J. Eberspächer GmbH & Co. KGInventors: Georg Wirth, Peter Zacke, Siegfried Woerner
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Publication number: 20030221424Abstract: An exhaust cleaning system for motor vehicles, especially a diesel exhaust cleaning system for medium to heavy utility vehicles. The exhaust cleaning system has an exhaust muffler (1), a catalytic converter (2) and an exhaust particle filter element (3). The exhaust muffler (1), the catalytic converter (2) with a U-shaped tubular urea injection element (4) arranged upstream and an exhaust particle filter element (3) are integrated in a common housing and designed as a structural, functional unit.Type: ApplicationFiled: June 18, 2003Publication date: December 4, 2003Applicant: J. Eberspacher GmbH & Co.Inventors: Siegfried Woerner, Peter Zacke, Thomas Hauber, Rudolf Buhmann, Marcus Werni
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Patent number: 6638031Abstract: The invention relates to a heating system, particularly for motor vehicles, in which a heat exchange arrangement operating in the manner of a heating member can be thermally coupled by means of a hydraulic heat transfer circuit, particularly a water circuit, to a first heat source, in particular an internal combustion motor serving to drive the motor vehicle, and also to a second heat source, in particular a burner operable independently of the first heat source, wherein a control arrangement can be changed over, in dependence on the operating state of a first pump allocated to the first heat source, between a first state, in which the heat transfer medium or at least a greater portion of it is conducted over both heat sources, and a second state, in which the heat transfer medium is conducted by a further, hydrodynamic pump, only or preponderantly over the second heat source.Type: GrantFiled: November 6, 2001Date of Patent: October 28, 2003Assignee: J. Eberspacher GmbH & Co.Inventor: Michael Humburg
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Patent number: 6622070Abstract: The invention relates to an on-board or off-board diagnostic device (1) enabling a vehicle manufacturer or the like (“clients”) to carry out a client diagnosis (N) or to monitor a motor vehicle sub-system (2) manufactured by a special supplier, using the vehicles's data collection line (3) or data bus and comprising an electronic control device allocated to said sub-system (2) which is connected to an operating unit (5) for instance, by means of a line (HS). According to the invention, a specially coded signal (S) is fed into the electronic control device (4) in order to switch from client diagnosis mode (N) to special supplier diagnosis mode (U) so as to provide extended or modified sub-system (2) data on an already existing line (HS).Type: GrantFiled: January 21, 2000Date of Patent: September 16, 2003Assignee: J. Eberspacher GmbH & Co. KGInventors: Heinrich Wacker, Erwin Burner, Peter Reiser
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Publication number: 20030132304Abstract: The invention pertains to a heating apparatus (1), in particular, an auxiliary heater and/or a parking heater for a motor vehicle, with a one-piece or one-part housing (2) that contains a combustion chamber shaft (3), in which a heat transfer casing (8) is arranged, wherein the inner side (9) of said heat transfer casing encloses a combustion chamber (5) and is subjected to hot exhaust gases during the operation of the heating apparatus (1), wherein the outer side (11) of the heat transfer casing forms the inner envelope of a cooling fluid space (10), through which a cooling fluid flows during the operation of the heating apparatus (1), wherein the outer envelope of said cooling fluid space is formed by the inner side of the combustion chamber shaft (3), and wherein the housing (2) also contains a catalyst shaft (4), in which at least one catalytic element (15) is arranged through which hot exhaust gases flow during the operation of the heating apparatus (1).Type: ApplicationFiled: January 8, 2003Publication date: July 17, 2003Applicant: J. Eberspacher GmbH & CO. KGInventor: Michael Humburg
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Patent number: 6540150Abstract: A fuel-operated air heater (1) is disclosed, especially an air heater for automobiles that is operated independent from the motor. The inventive heater comprises a burner (2), a combustion chamber (3) and a heat exchanger (4). Hot air (5) is circulated through the combustion chamber (3) in a cup-shaped heat exchanger having a bottom that is closed on the inlet side and a hot air blower (10). The heat exchanger is also fitted with an overheat sensor (8) and a flame sensor (9) to monitor or detect overheating of the air heater during operation and the formation of flames during starting by means of a control device (6) and optionally to limit overheating or to disconnect the air heater. The overheat sensor (8) is mounted as a hot air temperature sensor in the area adjacent to the blower in the heat exchanger (4), especially with no wall contact in the hot air flow (5).Type: GrantFiled: June 23, 2000Date of Patent: April 1, 2003Assignee: J. Eberspacher GmbH & Co, KGInventors: Günter Eberspäch, Walter Blaschke
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Patent number: 6474697Abstract: An exhaust elbow (1) is provided with a single exhaust outlet (2) with an outlet mounting flange (3) and at least two exhaust inlets (4, 5, 6) with an inlet mounting flange (7) for fastening on the engine block of a motor vehicle. The exhaust guiding of the exhaust elbow (1) between the inlet mounting flange (7) and the outlet mounting flange (3) is formed by a single-walled sheet metal hood (8) forming a collection line. The sheet metal hood (8) surrounds all exhaust inlets (4, 5, 6) together, without individual pipes being formed. Such a simple sheet metal elbow can be manufactured at a low cost and with low weight and nevertheless has sufficient ability to function, is dimensionally stable and can be used in a versatile manner.Type: GrantFiled: July 13, 2001Date of Patent: November 5, 2002Assignee: J. Eberspächer GmbH & Co. KGInventors: Thomas Nording, Thomas Hauber, Tassilo Adam, Uwe Gräss
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Patent number: 6431459Abstract: A heater, especially a liquid fuel-operated water heater (10) or air heater of a motor vehicle in the form of an auxiliary heater or a parking heater has a housing jacket (1) and a heat exchanger (2) as well as with a control device (11) for regulating or monitoring the heating operation via at least one temperature sensor (3), especially a regulating temperature sensor and/or overheating sensor. The temperature sensor (3) is arranged on the underside of a control device bottom plate (4) facing the temperature sensor (3) on the housing jacket (1), wherein the temperature sensor (3) extends through an opening of the housing jacket (1), especially a water jacket, in the direction of the heat exchanger (2) and is preferably pretensioned by a spring. As a result, the temperature sensor can be mounted on the control device bottom plate already during the manufacture of the control device and finally mounted together with the control device bottom plate rapidly and reliably.Type: GrantFiled: October 18, 2001Date of Patent: August 13, 2002Assignee: J. Eberspächer GmbH & Co. KGInventor: Michael Humburg
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Patent number: 6422190Abstract: A heating system (1) is provided mounted in a motor vehicle with an internal combustion engine. The system (1) includes an additional heating system (2 or 3) or an auxiliary heating system (4). The additional heating system (2 or 3) or the auxiliary heating system (4), or a part thereof, is made in the shape of a modular component mounted on or connected to interfaces (I, II, III, IV) of the heating system which are specific for each vehicle. The modular component can optionally be replaced by another modular component of the same type.Type: GrantFiled: March 9, 2000Date of Patent: July 23, 2002Assignee: J. Eberspächer GmbH & Co. KGInventors: Thomas Görtler, Sabine Kiesel
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Patent number: 6247552Abstract: An air gap-insulated exhaust manifold with a double-walled design provided only in the area of the collection pipe, while only a single-walled design is provided in the area of the individual pipes. The outer pipe includes two half shells, while the gas-carrying inner pipe is manufactured especially from one or more partial sections according to the inner high-pressure process.Type: GrantFiled: March 11, 1998Date of Patent: June 19, 2001Assignee: J. Eberspächer GmbH & Co.Inventors: Oliver Kovar, Thomas Nording
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Patent number: 6164554Abstract: The present invention pertains to a present atomizing type burner (1) for an engine independent heating system in a vehicle, comprising a pump (2) for feeding liquid fuel (4) through the fuel pipe (5) to the spray nozzle (3), a ventilator (6) for feeding combustion air (7) to the combustion chamber, an electric motor (9) for driving both the fuel pump (2) and the ventilator (6), and an igniting device (10) for firing the air-fuel mixture in the combustion chamber (8). The invention suggests that the system be fitted with a voltage and speed regulator (11) for the electric motor (9), as well as a device for regulating the fuel pump (2) pressure after the heating system has ignited and the flame has become stable.Type: GrantFiled: April 30, 1999Date of Patent: December 26, 2000Assignee: J. Eberspacher GmbH & Co.Inventors: Wolfgang Pfister, Hans-Jurgen Schmid, Heinrich Wacker, Adolf Schodt, Dieter Gotz, Gunther Eberspach
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Patent number: 6158214Abstract: The invention concerns an exhaust silencer arrangement with a transverse exhaust silencer in a four-chamber type of construction, in particular for very small passenger-transporting motor vehicles, with a 3-cylinder rear-mounted engine and an exhaust gas turbocharger. The silencer comprises a housing which is composed of two half shells and accommodates a catalyst module in an integrated manner. The catalyst module, which does not have its own housing, forms a silencer system partition which divides the silencer into a 3-pot main chamber and an additional chamber which is in particular a resonator chamber and communicates with the main chamber via connection ducts formed in the half-shell housing.Type: GrantFiled: January 25, 1999Date of Patent: December 12, 2000Assignees: Microcompact Car Smart GmbH, J. Eberspacher GmbH & COInventors: Karl-Heinz Kempka, Thomas Nording, Peter Stratz, Siegfried Worner
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Patent number: 6158547Abstract: To prepare an absorption muffler for motor vehicles with a sound-absorbing material arranged in a hollow space of an exhaust muffler body in the form of glass wool (2), which is introduced into the hollow space in the form of an expanded, endless glass fiber roving, it is proposed that the exhaust muffler body (1) be completely prefabricated and assembled before the glass wool (2) is introduced into the prefabricated, assembled exhaust muffler body (1) from the outside.Type: GrantFiled: December 22, 1998Date of Patent: December 12, 2000Assignee: J. Eberspacher GmbH & Co.Inventors: Roland Ackermann, Bernd Muller, Norbert Klein