Patents Assigned to Friedrich Boysen GmbH & Co. KG
-
Patent number: 8615984Abstract: A device is provided for the distribution of flowable additives in exhaust gas systems of an internal combustion engine, in particular for the distribution of a water/urea mixture in an exhaust gas system of a diesel engine, having an injection device in particular opening into the exhaust tract before a so-called SRC catalytic converter, with a swirl generation device being provided for the improvement of the mixing of the exhaust gas with the additive in the introduction region of the additive in the exhaust tract.Type: GrantFiled: May 7, 2008Date of Patent: December 31, 2013Assignees: Friedrich Boysen GmbH & Co. KG, Bayerische Motoren Werke AktiengesellschaftInventors: Heinz Kornherr, Michael Mueller, Klaus Schoenberger, Bernhard Aichhorn, Gert Barnstedt, Hans-Juergen Bruene
-
Publication number: 20130283764Abstract: A muffler for an exhaust gas system of an internal combustion engine, the muffler including a muffler housing, at least one exhaust gas inlet, at least one gas outlet and at least one muffling device arranged in the muffler housing. At least one cooling element arranged in the muffler housing is configured to extract heat energy from the exhaust gas and is arranged in the muffler housing.Type: ApplicationFiled: August 2, 2011Publication date: October 31, 2013Applicant: Friedrich Boysen GmbH & Co. KGInventors: Jürgen Schmidt, Michael Herbig
-
Patent number: 8468802Abstract: An exhaust gas system for combustion engines is provided having at least one exhaust gas duct, in particular an exhaust pipe, and having an exhaust gas treatment device such as an oxidation catalyst, an SCR catalyst or a diesel particulate filter downstream of the exhaust gas duct, wherein, to improve the efficiency of downstream gas treatment devices, at least one secondary flow duct, in particular a secondary flow pipe, is provided in the exhaust gas duct with a cross-section reduced with respect to the exhaust gas duct which imparts coerced guidance of some of the exhaust gas flow differing from the actual exhaust gas flow.Type: GrantFiled: July 14, 2009Date of Patent: June 25, 2013Assignee: Friedrich Boysen GmbH & Co. KGInventor: Michael Mueller
-
Patent number: 8464519Abstract: A secondary air system for the supply of secondary air into at least one exhaust gas outlet passage of a cylinder head of an internal combustion engine, wherein at least one secondary air passage provided in the cylinder head is associated with the exhaust gas outlet passage and opens into the exhaust gas outlet passage and into an outer connection surface of the cylinder head. A base plate is provided which can be placed onto the connection surface of the cylinder head and which is provided with secondary air stubs which each engage into a secondary air passage when the base plate is in place. The base plate is provided on its outer side remote from the connection side with at least one hood via which the supplied secondary air is distributed to a plurality of secondary air stubs.Type: GrantFiled: January 27, 2010Date of Patent: June 18, 2013Assignee: Friedrich Boysen GmbH & Co. KGInventors: Nils Rippert, Ramazan Sahan
-
Patent number: 8429906Abstract: A single-wall manifold having an engine flange, an outlet flange and manifold pipes which are connected at their one end to the engine flange and at their other end to the outlet flange, with a load-transferring connection being provided between the engine flange and the outlet flange in addition to the manifold pipes to improve the load transfer between the outlet flange and the engine flange.Type: GrantFiled: December 17, 2009Date of Patent: April 30, 2013Assignee: Friedrich Boysen GmbH & Co. KGInventor: Nils Rippert
-
Patent number: 8424291Abstract: The present invention relates to a flame glow plug having a combustion chamber which has an outlet opening for the flame, a fuel supply, in particular a blockable fuel supply, for the provision of a fuel flow to the combustion chamber, an air supply for the provision of an air flow to the combustion chamber and an ignition device, in particular an electrically operated heating element, which is arranged in the combustion chamber or which extends into the combustion chamber and which is made to ignite the air/fuel mixture arising from the provided fuel flow and the provided air flow. The air supply is made controllable in quantity to selectively operate the flame glow plug as a torch or as a secondary fuel injection apparatus. The invention furthermore relates to a regeneration apparatus for a particulate filter of an exhaust gas system, to an exhaust gas system for a combustion engine as well as to a method for the operation of a regeneration apparatus.Type: GrantFiled: September 22, 2009Date of Patent: April 23, 2013Assignees: Friedrich Boysen GmbH & Co. KG, Beru AktiengesellschaftInventors: Hayri Winter, Christian Muschik, Volker Brichzin, Martin Eller
-
Patent number: 8341952Abstract: An exhaust gas system includes an exhaust manifold, in particular a single-wall exhaust manifold, which includes a plurality of inlet pipes for connection to exhaust gas outlets of an internal combustion engine and a collector device for the combining of the inlet pipes. The collector device has an outlet opening which is connected to downstream elements of the exhaust gas system, wherein the collector device is resistant to bending and the inlet pipes are comparatively flexible with respect to the collector device. The collector device includes an inlet pipe stub which is likewise resistant to bending and which is made for the direct connection to an exhaust gas outlet of an internal combustion engine.Type: GrantFiled: November 4, 2009Date of Patent: January 1, 2013Assignee: Friedrich Boysen GmbH & Co. KGInventors: Rainer Diez, Frank Buehler, Markus Mackert, Nils Rippert
-
Patent number: 7971431Abstract: An exhaust gas system for an internal combustion engine, in particular a motor vehicle engine, is provided having, in one form, two cylinder banks arranged at an acute angle to one anther and each having at least one exhaust gas outlet, a so-called V-engine, having exhaust gas guide elements arranged in the region of the inner angle, including a housing surrounding the exhaust gas outlets of both cylinder banks in a gas tight manner and having at least one exhaust gas outlet opening is characterized in that the housing is made in two parts, with a first part which is connected to the one cylinder bank and surrounds its exhaust gas outlets and with a second part which is connected to the other cylinder bank and surrounds its exhaust gas outlets; in that the two parts each have a side facing the other part and having at least one housing opening via which the two parts communicate with one another; and in that an expansion compensation element is arranged between the two parts and surrounds the housing openingType: GrantFiled: May 21, 2008Date of Patent: July 5, 2011Assignee: Friedrich Boysen GmbH & Co. KGInventors: Rainer Diez, Marcus Ramusch, Ramazan Sahan, Werner Verdoorn
-
Publication number: 20100186396Abstract: A secondary air system for the supply of secondary air into at least one exhaust gas outlet passage of a cylinder head of an internal combustion engine, wherein at least one secondary air passage provided in the cylinder head is associated with the exhaust gas outlet passage and opens into the exhaust gas outlet passage and into an outer connection surface of the cylinder head. A base plate is provided which can be placed onto the connection surface of the cylinder head and which is provided with secondary air stubs which each engage into a secondary air passage when the base plate is in place. The base plate is provided on its outer side remote from the connection side with at least one hood via which the supplied secondary air is distributed to a plurality of secondary air stubs.Type: ApplicationFiled: January 27, 2010Publication date: July 29, 2010Applicant: Friedrich Boysen GmbH & Co. KGInventors: Nils Rippert, Ramazan Sahan
-
Publication number: 20100162692Abstract: A single-wall manifold having an engine flange, an outlet flange and manifold pipes which are connected at their one end to the engine flange and at their other end to the outlet flange, with a load-transferring connection being provided between the engine flange and the outlet flange in addition to the manifold pipes to improve the load transfer between the outlet flange and the engine flange.Type: ApplicationFiled: December 17, 2009Publication date: July 1, 2010Applicant: Friedrich Boysen GmbH & Co. KGInventor: Nils Rippert
-
Publication number: 20100126156Abstract: An exhaust gas system includes an exhaust manifold, in particular a single-wall exhaust manifold, which includes a plurality of inlet pipes for connection to exhaust gas outlets of an internal combustion engine and a collector device for the combining of the inlet pipes. The collector device has an outlet opening which is connected to downstream elements of the exhaust gas system, wherein the collector device is resistant to bending and the inlet pipes are comparatively flexible with respect to the collector device. The collector device includes an inlet pipe stub which is likewise resistant to bending and which is made for the direct connection to an exhaust gas outlet of an internal combustion engine.Type: ApplicationFiled: November 4, 2009Publication date: May 27, 2010Applicant: Friedrich Boysen GmbH & Co. KGInventors: Rainer Diez, Frank Buehler, Markus Mackert, Nils Rippert
-
Publication number: 20100083925Abstract: The present invention relates to a flame glow plug having a combustion chamber which has an outlet opening for the flame, a fuel supply, in particular a blockable fuel supply, for the provision of a fuel flow to the combustion chamber, an air supply for the provision of an air flow to the combustion chamber and an ignition device, in particular an electrically operated heating element, which is arranged in the combustion chamber or which extends into the combustion chamber and which is made to ignite the air/fuel mixture arising from the provided fuel flow and the provided air flow. The air supply is made controllable in quantity to selectively operate the flame glow plug as a torch or as a secondary fuel injection apparatus. The invention furthermore relates to a regeneration apparatus for a particulate filter of an exhaust gas system, to an exhaust gas system for a combustion engine as well as to a method for the operation of a regeneration apparatus.Type: ApplicationFiled: September 22, 2009Publication date: April 8, 2010Applicants: Friedrich Boysen GmbH & Co. KG, BERU AktiengesellschaftInventors: Hayri Winter, Christian Muschik, Volker Brichzin, Martin Eller
-
Publication number: 20080295497Abstract: A device is provided for the distribution of flowable additives in exhaust gas systems of an internal combustion engine, in particular for the distribution of a water/urea mixture in an exhaust gas system of a diesel engine, having an injection device in particular opening into the exhaust tract before a so-called SRC catalytic converter, with a swirl generation device being provided for the improvement of the mixing of the exhaust gas with the additive in the introduction region of the additive in the exhaust tract.Type: ApplicationFiled: May 7, 2008Publication date: December 4, 2008Applicants: FRIEDRICH BOYSEN GMBH & CO. KG, BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFTInventors: Heinz Kornherr, Michael Mueller, Klaus Schoenberger, Bernhard Aichhorn, Gert Barnstedt, Hans-Juergen Bruene
-
Publication number: 20080289323Abstract: An exhaust gas system for an internal combustion engine, in particular a motor vehicle engine, is provided having, in one form, two cylinder banks arranged at an acute angle to one anther and each having at least one exhaust gas outlet, a so-called V-engine, having exhaust gas guide elements arranged in the region of the inner angle, including a housing surrounding the exhaust gas outlets of both cylinder banks in a gas tight manner and having at least one exhaust gas outlet opening is characterized in that the housing is made in two parts, with a first part which is connected to the one cylinder bank and surrounds its exhaust gas outlets and with a second part which is connected to the other cylinder bank and surrounds its exhaust gas outlets; in that the two parts each have a side facing the other part and having at least one housing opening via which the two parts communicate with one another; and in that an expansion compensation element is arranged between the two parts and surrounds the housing openingType: ApplicationFiled: May 21, 2008Publication date: November 27, 2008Applicants: FRIEDRICH BOYSEN GMBH & CO. KG, BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFTInventors: Rainer Diez, Marcus Ramusch, Ramazan Sahan, Werner Verdoorn
-
Publication number: 20070272479Abstract: Disclosed is an exhaust system (100) for an internal combustion engine, comprising a first exhaust leg that is provided with a penetrable first muffler (120), especially a rear muffler, and at least one second exhaust leg which runs parallel to the first one and encompasses a second penetrable muffler (122) particularly a rear muffler. The structure of the first muffler (120) differs from that of the second muffler (122).Type: ApplicationFiled: September 10, 2004Publication date: November 29, 2007Applicants: Bayerische Motoren Werke Aktiengesellschaft, Friedrich Boysen GmbH & Co. KGInventors: Robert Mirlach, Bjoern Koch
-
Publication number: 20050072143Abstract: An air-gap manifold for the connection of exhaust gas outlet openings of an internal combustion engine, in particular of a motor vehicle engine, to an exhaust gas intake opening of an exhaust gas system, having an interior part with a plurality of exhaust gas guides plugged into one another with a sliding fit, an exterior part surrounding the interior part and made gas-tight and an air-gap present between the interior part and the exterior part, wherein at least some of the exhaust gas guides of the interior part are formed by shells which are connected to one another by common reshaping at the rim, in particular by folding, in order to reduce the manufacturing costs.Type: ApplicationFiled: September 29, 2004Publication date: April 7, 2005Applicant: Friedrich Boysen GmbH & Co. KGInventor: Rainer Diez
-
Patent number: 6688103Abstract: An arrangement is provided for fastening an exhaust gas turbocharger on an exhaust gas manifold of an internal-combustion engine. A manifold flange is provided at the exhaust gas manifold, on which manifold flange an exhaust gas turbocharger can be fastened which is also provided with a flange surface. It is provided that the manifold flange provided on one side of the exhaust gas manifold is connected with sleeves leading to the opposite side of the exhaust gas manifold, in which sleeves screws are guided for the fastening of the exhaust gas turbocharger. This permits a simple and easily accessible mounting or demounting of the exhaust gas turbocharger on the exhaust gas manifold of the internal-combustion engine.Type: GrantFiled: June 20, 2002Date of Patent: February 10, 2004Assignees: Dr. Ing. h.c.F. Porsche AG, Friedrich Boysen GmbH & Co. KGInventors: Christoph Pleuss, Michael Kühnel, Werner Engl
-
Patent number: 5146052Abstract: A muffler housing consists essentially of two shell parts and is penetrated by pipes arranged between the shell parts. Fastening screws are inserted through the pipes into receiving holes at one of the shell parts and are accessible there.Type: GrantFiled: May 21, 1990Date of Patent: September 8, 1992Assignee: Friedrich Boysen GmbH & Co. KGInventor: Karl-Heinz Dummel