Friedrich Boysen GmbH & Co. KG Patent applications |
Patent application number | Title | Published |
20160061078 | Exhaust Gas System of an Internal Combustion Engine - An exhaust gas system of an internal combustion engine comprises a pipe section which is disposed in the exhaust train of the exhaust gas system and to which a main fluid containing an exhaust gas is supplied, in particular at an angle to the flow axis of the pipe section. The exhaust gas system comprises a device for injecting a further fluid, in particular a water-urea mixture or a liquid fuel, into the pipe section. Means, in particular stationary means, for generating a swirl by which the spray cone of the injected further fluid is preferably set up are provided in the inlet region of the pipe section. | 03-03-2016 |
20160032794 | Flap Valve Device - A flap valve device for controlling a gas flow through a tubular duct includes a valve flap which is rotatably supported at a valve housing by a valve shaft. At least two rotary bearings are provided for supporting the valve flap at the valve housing and are received in respective bearing domes. The bearing domes are arranged in the region of respective shaft leadthroughs of the valve housing which are provided for the valve shaft. At least one of the bearing domes is designed as a shaped sheet metal part separate from the valve housing. | 02-04-2016 |
20140345662 | DEVICE FOR CONVERTING THERMAL ENERGY TO ELECTRICAL ENERGY - The invention relates to a device for converting thermal energy to electrical energy, comprising at least one thermoelectric module ( | 11-27-2014 |
20140096856 | EXHAUST GAS SYSTEM COMPONENT FOR INTERNAL COMBUSTION ENGINE AND METHOD OF MANUFACTURING AN EXHAUST GAS SYSTEM COMPONENT - The invention relates to an exhaust gas system component for an internal combustion engine, in particular for an automotive engine of a commercial vehicle, having a plurality of mutually connected exhaust gas system elements which can be flowed through by the exhaust gas of the internal combustion engine, characterized in that the exhaust gas system elements are supported in a first frame and in a second frame spaced apart therefrom and connection struts fixedly connect the frames to one another. | 04-10-2014 |
20140069478 | APPARATUS FOR CONVERTING THERMAL ENERGY INTO ELECTRICAL ENERGY - An apparatus for converting thermal energy into electrical energy comprises at least one thermoelectric module which has a hot side provided for a contact with a heat source and a cold side provided for a contact with a heat sink, a heating passage which can be flowed through by a hot fluid and which is in thermoconductive communication with the hot side of the thermoelectric module, and a cooling passage which can be flowed through by a cooling fluid and which is in thermoconductive communication with the cold side of the thermoelectric module. Provision is made that the cooling passage has at least one cooling passage opening facing toward the cold side of the thermoelectric module and/or that the heating passage has at least one heating passage opening facing toward the hot side of the thermoelectric module. The thermoelectric module is covered by a layer or film of an electrically insulating material at least in the region of the cooling passage opening and/or of the heating passage opening. | 03-13-2014 |
20140033686 | DEVICE FOR DISTRIBUTING FLUIDS IN EXHAUST SYSTEMS - An apparatus for distributing fluids in an exhaust system of an internal combustion engine. The apparatus includes an injection device, wherein a combination of a plurality of individual measures for achieving a uniform mixing of the fluids with the exhaust gas and a complete vaporizing of the fluids in the exhaust gas is provided. The individual measure comprises at least one of at least one swirl-generating device and at least one mixing apparatus. The individual measure also includes at least one catalyst. The individual measure further includes an injection nozzle of the injection device which is arranged at a predefined spacing from a wall of the exhaust tract. | 02-06-2014 |
20130283764 | MUFFLER - 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. | 10-31-2013 |
20100186396 | Secondary air system - 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. | 07-29-2010 |
20100162692 | Single-wall manifold - 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. | 07-01-2010 |
20100126156 | Exhaust manifold - 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. | 05-27-2010 |
20100083925 | Flame Glow Plug - 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. | 04-08-2010 |
20080295497 | Device for the distribution of flowable additives in exhaust gas systems - 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. | 12-04-2008 |
20080289323 | Exhaust Gas System - 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 opening of the two parts in a gas tight manner. | 11-27-2008 |