MAHLE INTERNATIONAL GMBH Patent applications |
Patent application number | Title | Published |
20160118228 | THERMAL SPRAYING METHOD AND DEVICE THEREFOR - The invention relates to a thermal spraying method, in particular for coating a surface by means of a plasma beam, using a shaped plasma beam, wherein a first plasma beam by means of at least one second plasma beam is controlled and/or shaped, wherein the second plasma beam at least partially and at least temporarily penetrates the first plasma beam. | 04-28-2016 |
20160097598 | HEAT EXCHANGER - A heat exchanger having a cover plate, a first manifold tube, a second manifold tube and at least one tube, wherein the tube is received at the ends in a respective opening of the first manifold tube and of the second manifold tube, wherein the cover plate is in contact with the manifold tubes and in thermal contact with the tube, wherein a fixing device is provided by which the cover plate can be fixed to at least one manifold tube and/or to at least one tube. | 04-07-2016 |
20160093789 | THERMOELECTRIC GENERATOR, IN PARTICULAR FOR A MOTOR VEHICLE - A thermoelectric generator may include a housing that delimits a housing interior and has a first housing wall and a second housing wall opposite the first housing wall. The generator may also include a plurality of thermoelectric elements, each having a thermoelectrically active material and being arranged spaced apart from one another in the housing interior, wherein at least two adjacent thermoelectric elements are connected to one another by at least one conductor link. The conductor link may be fitted by at least one of a first electrical insulation on an inner side of the first housing wall facing the housing interior, and a second electrical insulation on an inner side of the second housing wall facing the housing interior. Each of the first and the second electrical insulation may include at least one graphite film and at least one carrier film having an electrically insulating material. | 03-31-2016 |
20160091229 | CONDENSER - The invention relates to a condenser of stacked-plate design, having a first flow duct for a refrigerant and having a second flow duct for a coolant. | 03-31-2016 |
20160089716 | METHOD FOR THE PRODUCTION OF A CYLINDER FOR A TWO-STROKE ENGINE - A method for producing a cylinder for a two-stroke engine, has the following steps: producing a casting core, wherein a central core slide for the cylinder chamber and at least one salt core for a transfer port are produced and the at least one salt core is connected to the central core slide, inserting the casting core into a casting mold, casting the cylinder in a die-casting process, removing the central core slide from the cylinder, wherein the at least one salt core is separated from the central core slide, and flushing the at least one salt core out of the cylinder. The invention further relates to a casting core for such a method. | 03-31-2016 |
20160084583 | HEAT EXCHANGER - The invention relates to a heat exchanger, in particular exhaust-gas cooler, having tubes of unipartite form or formed from two shell-like plates, which tubes form a first and a second fluid duct, wherein the respective fluid ducts are arranged adjacent to one another, wherein the first fluid duct is designed to be open at at least one of its ends for the inflow and/or outflow of the first fluid, wherein, at the ends, the tubes are, by way of an inward or outward step, designed such that the second fluid ducts are closed at the end side, wherein the step has a greater extent T in the tube longitudinal direction in the corner regions of the tube than between the corner regions. | 03-24-2016 |
20160084582 | HEAT EXCHANGER - The invention relates to a heat exchanger having a tube bundle with tubes as heat exchanger matrix, it being possible for the tubes to be flowed through by a first fluid and in this way defining a first fluid channel, and to be flowed around by a second fluid and in this way defining a second fluid channel, the tube bundle being configured so as to be closed off toward the outside, in order to close off the second fluid channel, or being arranged in a housing, in order to close off the second fluid channel, the tubes being configured so as to be open on the end side for the inflow or outflow of the first fluid. | 03-24-2016 |
20160084296 | CONNECTING ROD CRACKING MANDREL - Exemplary connecting rod cracking mandrels and methods are disclosed. A mandrel may include a pair of jaw elements slidably mounted relative to one another and separated from each other. Each one of the jaw elements has a pair of opposing side portions and a center portion disposed between the opposing side portions. Each one of the side portions is configured to contact an inner diameter surface of a bore of a connecting rod when the jaws are moved away from one another within the bore so as to break the connecting rod. The center portion is configured to be spaced apart from the inner diameter surface of the bore when the jaws are moved away from one another within the bore, such that the opposing side portions contact the connecting rod bore. | 03-24-2016 |
20160084205 | HEAT EXCHANGER - The invention relates to a heat exchanger, in particular exhaust-gas cooler or charge-air cooler, comprising a plate stack composed of multiple elongate plate pairs, wherein in each case two interconnected plates form a first fluid duct between them, and a second fluid duct is formed between two plate pairs, wherein the plates of a plate pair are of U-shaped form with a bottom and upturned side walls and lie against one another so as to delimit the first flow duct, wherein one of the plates of a plate pair has, on its end side, a tab which serves for beading over around the end side of the other plate, wherein the tab on the bottom of the plate is beaded over, and the beading-over of the tab also continues into the side walls of the plates. | 03-24-2016 |
20160084128 | APPARATUS FOR SUPPLYING A COOLANT TO A HEAT EXCHANGER, PREFERABLY FOR AN EXHAUST GAS COOLER OF AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE - The invention relates to an apparatus for supplying a coolant to a closed fluid circuit, preferably for an exhaust gas cooler of an internal combustion engine of a motor vehicle, comprising a connecting stub, wherein the connecting stub is designed for insertion into a coolant connection, wherein a flow-directing device, which is of projection-like design, for the coolant is integrated in the interior of the connecting stub. | 03-24-2016 |
20160082379 | FILTER ELEMENT - A filter element having a longitudinal center axis for a fresh air system of an internal combustion engine may include a first plate filter body composed of a pleated filter material and a separate second plate filter body composed of a pleated filter material. The filter element may include first wall body and a second wall body, and a first end body and a second end body. The first wall body, the second wall body, the first end body and the second end body may be connected to the first plate body and the second plate filter body to define an inner space. At least one of the first plate filter body and the second plate filter body may include a curvature projecting to the interior space in a profile extending transversely to a longitudinal direction with respect to the longitudinal center axis. | 03-24-2016 |
20160076826 | HEAT EXCHANGER - A gas-cooled heat exchanger, in particular a direct intercooler, for cooling of a fluid which flows through the heat exchanger, with a heat transfer block featuring a plurality of flow channels, with a first collection chamber and a second collection chamber. The collection chambers are fluidically connected with one another via the flow channels and the outside of the heat transfer block can be perfused by gas. In the direction of the perfusion, a screen is arranged in front of the heat transfer block for the prevention of flow in certain areas around the flow channels of the screen. One of the collection chambers features a vent for discharge of condensate of the fluid which can be sealed from or released into the surrounding area of the heat exchanger. | 03-17-2016 |
20160076489 | EXHAUST GAS HEAT EXCHANGER - An exhaust-gas heat exchanger having a housing and a first flow channel. The first flow channel is accommodated in the housing in such a way that a second flow channel is formed between the first flow channel and the housing. A first fluid can flow through the first flow channel and a second fluid can flow through the second flow channel. The second fluid can flow around the first flow channel. The housing has a first diffuser and a second diffuser at an end of the housing and at least one of the diffusers is made of a plastic. | 03-17-2016 |
20160076435 | THERMOSTATIC VALVE - A thermostatic valve for a cooling system of an engine of a motor vehicle, having a thermostatic valve housing, on which a connection to a cylinder head of the engine, a connection to the engine block, a connection to a cooler of the cooling system and at least one connection to a bypass channel are designed, wherein a movable thermostatic operating element, a cooler valve, an engine block valve and a slide for closing the bypass channel are arranged in the thermostatic valve housing. The thermostatic valve has a first slide section is provided for closing a first opening arranged on the thermostatic valve housing and at least one second slide section for closing at least one second opening arranged on the thermostatic valve housing. | 03-17-2016 |
20160069597 | CONDENSER ASSEMBLY FOR REFRIGERANT - A condenser assembly including a plurality of heat-exchanger pipes, which are arranged equidistant from each other having corrugated fins arranged therebetween and lead into deflection regions at both ends and have a free length used for heat exchange and, in connection with the corrugated fins, form a frontal area having a width corresponding to the free length of the heat-exchanger pipes and a height, such that the frontal area results from the product of width and height. The heat-exchanger pipes are connected in parallel in groups and the individual groups are connected in series. The heat-exchanger pipes of the individual groups are arranged adjacent and each group has at least two heat-exchanger pipes. The percentage share of the heat-exchanger pipes of the first group results from 26.162 In (S/dm2)−40.746≦P≦25.49 In (S/dm2)−27.842 for a frontal area. | 03-10-2016 |
20160053911 | ELECTRICALLY DRIVABLE VALVE FOR CONTROLLING VOLUMETRIC FLOWS IN A HEATING AND/OR COOLING SYSTEM OF A MOTOR VEHICLE - An electrically drivable valve for controlling volumetric flows in a heating and/or cooling system of a motor vehicle, including a housing, from which at least two channels, preferable an inlet channel and an outlet channel, branch off, wherein a disk-shaped valve body is arranged in the housing, which valve body can be rotated about an axis of a drive shaft and has a control contour. For a valve that is simple to produce in regard to the design of the valve, the single control contour of the valve body controls a bypass circuit and a cooler circuit of the heating and/or cooling system. | 02-25-2016 |
20160053666 | COOLING CIRCUIT - A cooling circuit including a combustion engine, a coolant cooler, a first thermostat, a first pump, a condenser, a second thermostat and a second pump, wherein a cooling agent can flow through the cooling circuit, wherein the combustion engine, first pump, coolant cooler and first thermostat are arranged in a first circuit, and the condenser, second thermostat and second pump are arranged in a second circuit, and wherein the first circuit and second circuit are in fluid communication with one another at at least one point. | 02-25-2016 |
20160040636 | AIR SUPPLY SYSTEM - An air supply system for supplying fresh air to at least one combustion chamber of an internal combustion engine may include a housing having a fresh air path and a lateral introduction opening. A charge-air cooler may be instertable into the housing via the introduction opening along an introduction direction. The charge-air cooler may be arranged in the housing and the fresh air path may extend through the charge air cooler. The charge air cooler may include an outer end region closing the introduction opening. The outer end region of the charge-air cooler may be secured to the housing. | 02-11-2016 |
20160025428 | HEAT EXCHANGER - A heat exchanger for cooling a battery and/or an electronic component, having a first plate element and a second plate element. The two plate elements each have their main extension directions along a plane spanned by two spatial directions, and a wall thickness along the third spatial direction is much smaller. The two plate elements are stacked on top of each other and at least one flow channel is provided between the two plate elements. The first plate element has a greater extension than the second plate element in the plane of the main extension directions. A projection over the second plate element is formed. The plate elements are soldered to each other along an edge region of the second plate element. The solder extends beyond the solder surface between the plate elements in the direction of the projection and in the direction of the center of the heat exchanger. | 01-28-2016 |
20150373784 | ELECTRIC HEATING DEVICE - An electric heating device, particularly for a motor vehicle, is provided that has at least one heating element disposed in a housing, whereby the housing has a housing cover and/or a housing base with at least one opening through which the at least one heating element is disposed protruding at least in sections, whereby a sealing element in which the at least one heating element is disposed is provided in the at least one opening in the housing cover and/or in the housing base. | 12-24-2015 |
20150369522 | HEAT EXCHANGER - The invention relates to a heat exchanger which has at least one first Peltier element. The Peltier element has a first semiconductor arrangement and at least one second semiconductor arrangement. Each semiconductor arrangement has a first semiconductor, a second semiconductor, and an electric contact. At least one semiconductor of each semiconductor arrangement is made of a p-doped semiconductor material, and at least one semiconductor of each semiconductor arrangement is made of an n-doped semiconductor material. One n-doped semiconductor and one p-doped semiconductor are electrically connected in series in an alternating manner within each semiconductor arrangement, and a voltage can be applied to said semiconductors via the electric contact. The invention is characterized in that the two semiconductor arrangements are electrically connected to each other in parallel. | 12-24-2015 |
20150367265 | FILTER APPLIANCE - A filter appliance may include a filter housing and a ring filter element having an axis and being mountable in the filter housing. The filter element may include a first axial end disc having a protruding pin configured to engage into a channel of the filter housing. The filter housing may have an interior including a first region and the ring filter element may include a second region associated with the first region. A guide contour may be arranged on one of the first region and the second region, and a first guide element and a second guide element may be disposed on the other of the first region and the second region. The guide contour may include a first axial groove and a second axial groove configured to receive the first guide element and the second guide element to define a key and lock interaction. | 12-24-2015 |
20150354900 | HEAT EXCHANGER - A heat exchanger with mutually adjacent first flow channels and second flow channels. The first flow channels and the second flow channels are received in a first manifold at a first end region of the flow channel end regions and in a second manifold at a second end region of the flow channel end regions. The first manifold has a first base and the second manifold has a second base, the first base and second base having a plurality of openings in which the end regions of the flow channels are received. The first manifold has a first longitudinal channel and a second longitudinal channel. The second manifold has a second cover which together with the second base of the second manifold forms transverse channels, and one first flow channel and one second flow channel are fluidically connected to each other via a respective transverse channel. | 12-10-2015 |
20150343879 | CLIMATE CONTROL SYSTEM AND METHOD FOR AIR TEMPERING - A climate control system for a vehicle interior, having a housing, a cooling device, and a heating device. At least one first flow channel, a second flow channel, and a third flow channel are disposed in the housing. A mixing chamber is disposed within the housing, which has at least one outflow opening, which is downstream of the mixing chamber in the flow direction. The flow channels are closable by a flap element, a third flow channel leads from the cooling device to the outflow opening while bypassing the mixing chamber, the flap element in the first flow channel and the flap element in the second flow channel are kinematically coupled and can be adjusted by a mutual control device. The flap element in the third flow channel is kinematically coupled to the other two flap elements or can be adjusted independently by a further control device. | 12-03-2015 |
20150336440 | METHOD OF CONTROLLING THE DISCHARGE OF TEMPERATURE-CONDITIONED AIR - HVAC unit has a single blower fan, an evaporator downstream of the blower and a heater downstream of the evaporator, wherein each zone outlet includes a temperature mixing door for controlling portions of hot and cold air and an output valve for controlling a zonal output flow rate. A method is devised to control the discharge of temperature-conditioned air from a plurality of zone outlets of an automotive HVAC system via such an HVAC unit by the steps of reading an operator-requested zonal discharge blower level for each of the zone outlets; converting each zonal discharge blower level request to a zonal flowrate request; calculating a total requested output flowrate as a summation of all zonal flowrate requests; and adjusting a blower voltage to a minimum voltage required for generating the total requested output flowrate. | 11-26-2015 |
20150330723 | PLASTIC COMPONENT - A plastic component with at least one first wall in which a pocket or a plurality of pockets is provided. A pocket can constitute a bulge that protrudes out from the plane of the wall. The pocket has at least one second wall and one third wall. The second wall is oriented at an angle relative to the plane of the first wall and the angle is greater than 45° and the third wall is oriented at an angle relative to the plane of the first wall that is less than 45°. | 11-19-2015 |
20150323006 | THRUST WASHER - A thrust washer may include a metallic substrate layer having an axial substrate face. The thrust washer may also include a polymer layer on the axial substrate face. The polymer layer may have an axial polymer face opposed to the axial substrate face. The axial polymer face may be profiled and may have at least one oil distribution groove. At least one of the substrate layer and the polymer layer may be a machined layer having a thickness that may vary in correspondence with the at least one distribution groove. | 11-12-2015 |
20150323001 | THRUST WASHER - A thrust washer for a sliding bearing may include a thrust washer substrate having an axial face. The thrust washer may also have a polymer layer of profiled thickness on the axial face of the substrate. The profiled polymer layer may be provided with at least one oil distribution groove. | 11-12-2015 |
20150322887 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - The present invention relates to a piston ( | 11-12-2015 |
20150308370 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - A piston for an internal combustion engine is proposed with a piston head and with two pin bosses which lie opposite one another, are molded integrally onto the piston head in the direction which faces away from the piston head, and have in each case one pin bore. In each case one turned groove is formed into the radially inner regions of the lower halves of the pin bores, which halves face away from the piston head. | 10-29-2015 |
20150292556 | BEARING SHELL WITH ALIGNMENT PROJECTING FEATURE - A bearing shell for a sliding bearing may include a body having a convex outer surface and an alignment feature projecting from the outer surface. The alignment feature may be arranged at an end face of the body. The alignment feature may include a first tapered portion having an axial width that reduces in a direction away from the end face. The first tapered portion may include at least two axial sides extending circumferentially and angled away from parallel with respect to a corresponding axial end face of the body by an angle of 2° to 10°. | 10-15-2015 |
20150285571 | HEAT EXCHANGER - A heat exchanger having at least one collecting tank with a plurality of tube openings and with a tube bundle of tubes, whereby the ends of the tubes engage in openings of the collecting tank, whereby the tubes have a broad side with the length L with opposite tube side walls and two narrow sides at the ends with the width B each with a tube wall arc, whereby the tube wall arc has a diameter that is greater than the distance of the opposite tube side walls. | 10-08-2015 |
20150275915 | HOUSING OF A CENTRIFUGAL BLOWER - A housing of a centrifugal blower for use in an air conditioner is provided that includes a rotatably supported fan wheel, an inlet opening disposed in the axial direction of the fan wheel and an outlet opening disposed in the radial direction of the fan wheel. A widening diffuser is disposed downstream from the outlet opening in the flow direction, and the fan wheel is disposed in an inner volume of the housing. A crossover area formed from multiple openings is provided on at least one housing wall which delimits the inner volume. At least one chamber is disposed on the outside of the housing, the chamber completely covering the crossover area and being fluidically connected to the inner volume of the housing via the crossover area. | 10-01-2015 |
20150275120 | COMPONENT HAVING A COATING AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to a component having a coating containing chromium, nitrogen and carbon, which component is characterised in that the coating comprises a sliding layer having a ceramic phase and an amorphous phase. According to the invention the ceramic phase forms a crystalline ceramic matrix from Crx(C | 10-01-2015 |
20150260457 | HEAT EXCHANGER - A heat exchanger is provided that includes a first flow channel for a refrigerant, a second flow channel for a refrigerant, and a third flow channel for a coolant, wherein the first flow channel has a first region for initial cooling of the refrigerant and a second region for further cooling of the refrigerant. The refrigerant can flow in a high-pressure phase in the first flow channel and the refrigerant can flow in a low-pressure phase in the second flow channel. A first heat exchange occurs between the refrigerant in the first region of the first flow channel and the coolant in the third flow channel and a second heat exchange occurs between the refrigerant in the second region of the first flow channel and the refrigerant in the second flow channel. | 09-17-2015 |
20150247680 | FLAT PIPE - The invention relates to a flat pipe, comprising two substantially flat first walls that are opposite each other and arranged parallel to each other, two arcuate second walls that connect the two flat first walls, and an interior through which a medium can flow, wherein projections that protrude into the interior are provided in at least one of the flat first walls, wherein projections that protrude into the interior are provided in the arcuate second walls. | 09-03-2015 |
20150247475 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - A piston for an internal combustion engine includes a piston head and a piston skirt, wherein the piston head has a piston base, a circumferential ring part and, in the region of the ring part, a circumferential closed cooling channel or sealed cavity. An inner side of the piston has two lower surfaces which transform continuously in the region of the piston central axis (M) to form an arched surface. The piston skirt has piston hubs provided with hub bores which are interconnected by means of running surfaces which have inner surfaces facing the inside of the piston. Starting from the free ends of the piston skirt, inside the piston on the pressure side (DS) and/or counter pressure side (GDS), an inner surface of a running surface continuously transforms into a guiding surface for a coolant which transforms continuously on the side thereof into a lower surface. | 09-03-2015 |
20150240347 | COMPONENT HAVING A COATING AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to a component having a coating containing chromium, nitrogen and carbon. According to the invention the coating comprises a sliding layer having a ceramic phase and a carbon phase, the ceramic phase forms a crystalline ceramic phase from Crx(C | 08-27-2015 |
20150226469 | CONDENSER - The invention relates to a condenser in stacked-plate design, wherein a heat exchanger block is formed by a plurality of plate elements, which form channels adjacent to each other between the plate elements when the plate elements are stacked on top of each other, wherein a first number of the channels is associated with a first flow channel and a second number of the channels is associated with a second flow channel, and a refrigerant can flow through the first flow channel and a coolant can flow through the second flow channel, wherein the first flow channel has a first region for desuperheating and condensing the vaporous refrigerant and a second region for subcooling the condensed refrigerant. | 08-13-2015 |
20150226162 | COUPLING DEVICE FOR A FRESH AIR SYSTEM - A coupling device for connecting at least two fluid-conducting components may include a connector that may have a securing ring. A locking ring may be arranged on the connector and be configured to transition in a circumferential direction between a securing position and a releasing position. The locking ring may include at least one locking element configured to interact with the securing ring. The locking element may be configured resilient in a radial direction. A connecting piece may be configured axially adjustable with respect to the connector and may include an outer securing groove. The locking element may radially engage into the securing groove when the locking ring is in the securing position to secure the connecting piece to the connector in the axial direction. | 08-13-2015 |
20150226150 | ENGINE PISTON AND A PROCESS FOR MAKING AN ENGINE PISTON - A piston for an internal combustion engine may include a substantially circular body composed of an aluminum containing base material defining a top portion having at least one cavity. At least one coating layer may be disposed on at least one area defined by at least one of the top portion and the at least one cavity. The at least one coating layer may include at least one chemical compound derived from a chemical reaction between the base material of the body and the at least one coating layer in response to friction generated by a dragging movement of a non-consumable rotary pin with the at least one coating layer. | 08-13-2015 |
20150204329 | PUMPING DEVICE - A pumping device may include a drive device coupled to a feed element via a hydrostatic coupling. The hydrostatic coupling may be configured to control a torque transmission between the drive device and the feed element. The hydrostatic coupling may include a suction side connected to a pressure side via a coupling-fluid-carrying channel. A valve device may be arranged in the coupling-fluid-carrying channel. | 07-23-2015 |
20150184946 | HEAT EXCHANGER - A heat exchanger, in particular an exhaust gas cooler or charge air cooler, is provided that includes a plate stack which has a plurality of elongated plate pairs, each set of two interconnected plates forming a respective second fluid channel between themselves, and a first fluid channel being formed between two plate pairs, a first fluid channel being surrounded by two second fluid channels, each second fluid channel being connected to at least one manifold. | 07-02-2015 |
20150184613 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - A piston for an internal combustion engine has a piston head and a piston skirt. The piston includes a piston base and a piston ring element and the piston head has a combustion recess. The piston ring element has a portion of a piston crown, a circumferential fire land and a circumferential ring section with ring grooves, in that the piston base and the piston ring element form a circumferential cooling channel that extends between an inner lateral surface in the region of the combustion recess and an outer lateral surface in the region of the ring section, in that in the cooling channel on the outer lateral surface at least one flow guide element and/or on the inner lateral surface at least one heat conducting element is provided; and in that the piston base and the piston ring element have a circumferential seam in the region of the piston crown, via which they are non-detachably connected to one another. | 07-02-2015 |
20150184555 | CAMSHAFT - A camshaft for an internal combustion engine may include a shaft and at least one component thermally joined thereto. The at least one component may be connected via a component-side joining face to a shaft-side joining face of the shaft. At least one of the component-side joining face and the shaft-side joining face may include a predefined roughness introduced and hardened via a laser. The predefined roughness may define at least one track composed of a plurality of individual laser spots. Each of the plurality of individual laser spots may include a centre point arranged offset to each other. The plurality of individual laser spots may respectively be arranged to overlapping each other. | 07-02-2015 |
20150176524 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - The present invention relates to a piston ( | 06-25-2015 |
20150176523 | METHOD FOR PRODUCING A PISTON - The invention relates to a method for producing a piston ( | 06-25-2015 |
20150176518 | CYLINDER FOR APPLICATION ON AN INTERNAL COMBUSTION ENGINE - A cylinder for an internal combustion engine may include a metallic cylinder body and an amorphous diamond-like hard carbon film disposed on an internal peripheral surface of the cylinder body. The amorphous diamond-like carbon film may include a roughness ranging from Rz 0.5 μm to Rz 4.0 μm. | 06-25-2015 |
20150155466 | THERMOELECTRIC MODULE - A thermoelectric module is provided that includes a housing that has at least two opposite walls, and a plurality of thermoelectric elements that have at least two opposite surfaces, and a plurality of conductor bridges. At least two thermoelectric elements are connected to a conductor bridge, and the thermoelectric elements, via one of the surfaces thereof, are in thermal contact with a support element, a combination of at least two thermoelectric elements and a conductor bridge being in thermal contact with a support element. | 06-04-2015 |
20150155465 | THERMOELECTRIC DEVICE - A thermoelectric device having a flat tube, a first thermoelectric module, and a second thermoelectric module. The thermoelectric modules each have a housing that includes at least two opposite first walls. A plurality of thermoelectric elements is arranged between the first walls of the housing. The thermoelectric elements have opposite surfaces, each of which is in thermal contact with one of the first walls of the housing of the thermoelectric module. | 06-04-2015 |
20150135533 | METHOD FOR PRODUCING A PISTON FOR AN INTERNAL COMBUSTION ENGINE - The invention relates to a method for producing a piston ( | 05-21-2015 |
20150128892 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - The invention relates to a piston for an internal combustion engine, comprising a piston head and a piston skirt, the piston head having a peripheral annular part and in the region of the annular part, a peripheral cooling channel. The piston skirt comprises piston bores provided with hub bores, which are arranged over the hub connections on the underside of the piston head. The piston hubs are interconnected over the running surfaces. According to the invention, the wall of the cooling channel which extends in the region of the annular part comprises an inclined portion and together with the central axis of the piston (M), forms an acute angle (a). At least one bore which is closed towards the outside is arranged between a running surface and a hub bore such that the at least one bore leads into the cooling channel, and that the cooling channel and the at least one bore contain a coolant in the form of a metal or a metal alloy which have a low-melting point. | 05-14-2015 |
20150101191 | METHOD FOR THE PRODUCTION OF A PISTON FOR AN INTERNAL COMBUSTION ENGINE - A method for the production of a piston made of steel, for an internal combustion engine, in which the upper piston part is produced using the forging method, and the lower piston part is produced using the forging or casting method, and they are subsequently welded to one another. To simplify the production method and make it cheaper, the upper piston part is forged using the method of hot forming and of cold calibration, to finish it to such an extent that further processing of the combustion bowl and of the upper cooling channel regions can be eliminated. | 04-16-2015 |
20150096524 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - The invention relates to a piston for an internal combustion engine made of an iron-based material, comprising a piston head and a piston skirt, the piston head comprising a piston base, a peripheral top land and a peripheral annular part comprising annular grooves. According to the invention, at least one annular groove comprises at least one insert made of an zinc-based material. | 04-09-2015 |
20150091255 | PISTON RING AND METHOD FOR THE PRODUCTION THEREOF - A piston ring for pistons of internal combustion engines, comprising a ring running surface coated with a coating agent, a ring back, and two ring abutting ends spaced apart by a gap. In the region of at least one of the ring abutting ends, a groove running in the circumferential direction is provided in the ring running surface, the groove being filled up with the coating agent such as to be flush with the coated ring running surface. | 04-02-2015 |
20150076769 | PISTON RING - A piston ring for at least one of a piston of an internal combustion engine and a compressor may include at least one substantially annular metallic base having a nitrided layer. The base may include at least one chamfer and at least one outer surface that maintains contact with a layer of lubricating oil. The nitrided layer may exhibit a substantially constant thickness over at least one surface of the base and the at least one chamfer. The nitrided layer may include a nitrided diffusion layer that maintains direct contact with the layer of lubricating oil and has a residual tension ranging from +100 megapascal to −100 megapascal. | 03-19-2015 |
20150075455 | PISTON FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR PRODUCING SAME - A piston for an internal combustion engine has a piston head and a piston skirt. The piston head has a circumferential ring part and a circumferential cooling channel in the region of the ring part. The piston skirt has piston bosses with boss bores and which are arranged on the lower face of the piston head via boss connections. The piston bosses are connected to one another via running surfaces. At least one bore is provided which is closed towards the outside and which is arranged between a running surface and a boss bore. The at least one bore opens into the cooling channel, and the cooling channel and the at least one bore contain a coolant in the form of a low-melting metal or a low-melting metal alloy. | 03-19-2015 |
20150047619 | EXHAUST GAS RADIATOR - An exhaust gas radiator for at least one of an exhaust gas system and an exhaust gas recirculation system of an internal combustion engine may include an exhaust gas path, which leads from an exhaust gas inlet to an exhaust gas outlet, and a coolant path, which is coupled in a heat-transferring manner to the exhaust gas path. The exhaust gas path may have an inlet region, which includes the exhaust gas inlet and has an inlet cooling capacity. The exhaust gas path may have downstream of the inlet region an intermediate region, which has an intermediate cooling capacity that is lower than the inlet cooling capacity. The exhaust gas path may have downstream of the intermediate region an outlet region, which includes the exhaust gas outlet and has an outlet cooling capacity that is greater than the intermediate cooling capacity. | 02-19-2015 |
20150040853 | PISTON RING FOR AN INTERNAL COMBUSTION ENGINE - The invention relates to a piston ring ( | 02-12-2015 |
20150020566 | FORGING DEVICE FOR THE PRODUCTION OF A PISTON BLANK, AND METHOD FOR THE PRODUCTION OF THE PISTON BLANK BY MEANS OF SAID FORGING DEVICE - A forging device for producing a piston blank has a forging mold that has an essentially cylindrical cavity matching the radial outer surface of the piston blank, a forging base delimiting the cavity, and a central die consisting of a mandrel that has a conically tapering extension which is mounted on the mandrel and the shape of which matches the inner surface of the piston blank. In order to form the radially outer surfaces of the piston slipper walls and a peripheral cooling pocket located radially outside the slipper walls in the piston head, the forging device has two lateral jaws which are mounted in the forging device so as to be movable at an angle to the longitudinal axis of the forging device. | 01-22-2015 |
20150018254 | SLIDING ELEMENT FOR USE IN INTERNAL COMBUSTION ENGINE - A sliding element for use in an internal combustion engine may include a ferrous base having a peripheral sliding surface covered by a protective surface layer, the protective surface layer including at least one nitride applied via at least one of physical vapour deposition and a nitrided layer. The peripheral sliding surface may have a diamond like carbon (DLC) coating disposed thereon. The coating may include at least one of (a) one or more transition layers composed of WC1-x and (b) an adhesive layer of metallic chromium with a crystal structure. The coating may include an intermediate layer of metal DLC, the metal may be tungsten in a multilayer structure of a-C:H:W and a-C:H, and an outer layer of metal-free DLC. | 01-15-2015 |
20150013285 | FILTER MATERIAL - A filter material for an air filter may include a substrate layer on an inflow side and a fine-fibre layer on an outflow side relative to a flow direction. The filter material may include a connection region arranged between the substrate layer and the fine-fibre layer. The substrate layer, connection region and fine-fibre layer may include pores having an aggregate degressive pore size with respect to the flow direction. A combined thickness of the substrate layer, connection region and fine-fibre layer may be at least 0.35 mm. The substrate layer may include a cellulose material and have an impregnation of resin disposed along the inflow side. The resin may amount to approximately 22% by mass of the substrate layer. | 01-15-2015 |
20140366972 | ARRANGEMENT FOR THE FLUIDIC AND MECHANICAL CONNECTION OF TWO COMPONENTS - An arrangement for a fluidic and mechanical connection of two components may include a first component, a second component, and a coupling. The coupling may include a first coupling part arranged on the first component and a second coupling part. A damping part may moveably connect the second coupling part to the second component. An axial overlap region may be formed between the damping part and the second coupling part, which axially on the side facing the first component is bounded by a connecting region for realizing a mechanical connection between the second coupling part and the damping part. The second coupling part may coaxially plug into the first coupling part for fluidic and mechanical connection. At least one sealing element may be radially arranged between the first coupling part and the second coupling part. | 12-18-2014 |
20140352935 | PLATE HEAT EXCHANGER - A plate heat exchanger may include a cover plate, a base plate and heat exchanger plates, the heat exchanger plates arranged as a stack oriented between the cover plate and the base plate. The base plate may overlap an edge of the adjacent heat exchanger plate, the base plate having an edge which is arranged in the direction of the heat exchanger plate stack. The edge of the base plate may follow at least in part a contour of the heat exchanger plate stack. The edge of the base plate may be formed at least in part by a projection. The projection may be integrally formed with the base plate and may be bent along folding lines. | 12-04-2014 |
20140352647 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - The invention relates to a piston ( | 12-04-2014 |
20140348450 | SLIDING BEARING - A sliding bearing having a composite layer comprising carbon nanostructures ( | 11-27-2014 |
20140331958 | PISTON FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR ITS PRODUCTION - A method for the production of a piston for an internal combustion engine, having a piston head, a piston skirt, and a circumferential recess configured between the piston head and the piston skirt. The piston has a piston base body and a piston ring element. The piston base body has at least a crown region of a combustion bowl as well as the piston skirt. The piston ring element has at least a piston crown, a wall region of the combustion bowl, a circumferential top land, and a circumferential ring belt with ring grooves. The piston ring element has a circumferential cooling channel between the wall region of the combustion bowl and the ring belt, closed with a closure element. The piston base body and the piston ring element are connected by a circumferential joining seam in the region of the combustion bowl. | 11-13-2014 |
20140331816 | CAMSHAFT - A camshaft may include a camshaft tube and at least one functional component thermally joined thereon. The at least one functional component may have a through-opening for receiving the camshaft tube. Further, at least one of (i) the through-opening of the functional component may include a shaped contour and (ii) an outer contour of at least one of the camshaft tube and a bushing arranged between the camshaft tube and the functional component may include a shaped contour. The shaped contour is arranged in a region of the joining such that an asymmetrical deformation of the camshaft tube after thermal joining of the functional component is at least minimised. | 11-13-2014 |
20140326223 | FLUID LINE COUPLING - A fluid line coupling for a mechanical and fluidic coupling may include a fluid-carrying first component and a fluid-carrying second component. A pipe body may be at least one of integrated with and attached to the first component. A connection piece may be arranged coaxially to the pipe body in an inserted position, the connection piece being at least one of integrated with and attached to the second component. A securing clip may be disposed on an outer side of the pipe body and surround the pipe body in a circumferential direction at least 180°. The securing clip may be radially adjustable relative to the pipe body between a securing position in which the connection piece is secured to the pipe body in the inserted position, and a releasing position in which the connection piece is unsecured to the pipe body in the inserted position. | 11-06-2014 |
20140323367 | ELEMENT COMPRISING AT LEAST ONE SLIDING SURFACE HAVING A COATING FOR USE IN AN INTERNAL COMBUSTION ENGINE OR A COMPRESSOR - An element with at least one slide surface with a coating for use on an internal combustion engine may include a base of a metallic alloy and at least one inner surface provided with a hard ceramic coating generated by physical vapor deposition. The element may include a porosity with a rate lower than 2 percent by volume, a Vickers hardness ranging from 1500 to 3000HV, and a compressive inner tension lower than 500 MPa. | 10-30-2014 |
20140318492 | PISTON FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR PRODUCING SAME - A piston for an internal combustion engine has a piston head having a piston crown, and a piston skirt, a first part of the piston head being formed by a piston base, and a second part of the piston head being formed by a piston head element, and a peripheral cooling channel being provided in the piston head. At least one heat-conducting element is arranged in the cooling channel and is connected to the piston base and the piston head element via an external seam and an internal seam which extend from the piston crown to the cooling channel. The invention further relates to a method for producing the piston. | 10-30-2014 |
20140317924 | METHOD FOR BONDING PISTON COMPONENTS - An exemplary method of making a piston assembly may include providing a piston crown defining at least in part an upper combustion bowl surface. The piston crown includes at least one crown mating surface. The method further comprising moving the crown mating surface in proximity to a skirt mating surface defined by a piston skirt, wherein the crown and skirt cooperate to define a cooling gallery extending about a periphery of the crown. The method may further include bonding the crown and skirt together by initiating an electric current along a conductive path between the crown and skirt mating surfaces, the conductive path comprising at least one conductive material extending from the crown mating surface to the skirt mating surface. | 10-30-2014 |
20140314356 | FLANGED HALF-BEARING - A flanged half-bearing includes at least one substantially semi-annular thrust washer with an internal periphery having lateral lugs and an intermediary stabilization lug projecting from the internal periphery of the thrust washer, and a semi-cylindrical half journal bearing shell having lateral recesses and an intermediary stabilization recess that are recessed into an axial end face of the bearing shell and are respectively connected to the lateral lugs and the stabilization lug of the thrust washer, wherein the stabilization lug has rotational stabilization edges that project substantially perpendicularly from the inner periphery of the thrust washer, and the stabilization recess is configured for axial relative movement of stabilization lug. An engine includes at least one such flanged half-bearing. | 10-23-2014 |
20140311722 | PLATE HEAT EXCHANGER - A plate heat exchanger may include a plurality of stacked plates, each formed of flat troughs fitted into each other having substantially flat bottoms and connected at respective trough edges. The plurality of plates may separate first and second chambers from one another which are arranged alternately succeeding within the plate stack formed by the troughs. A first fluid may flow in parallel through the first chambers connected in parallel via associated openings in the plates, and a second fluid flow may flow in parallel through the second chambers connected in parallel via associated second openings. The plate heat exchanger may include a base plate for holding an end face of the plate stack. The base plate may be arranged on the end face of the plate stack, the end face formed by a convex side of a plate. The plate heat exchanger may include a flange. | 10-23-2014 |
20140311437 | PISTON RING FOR A PISTON OF AN INTERNAL COMBUSTION ENGINE, AND A METHOD FOR PRODUCING SAME - The invention relates to a method for producing a piston ring ( | 10-23-2014 |
20140299092 | BEARING FRAME OR CYLINDER HEAD COVER OF AN INTERNAL COMBUSTION ENGINE - A bearing frame or cylinder head cover of an internal combustion engine may include at least one camshaft mounted therein. The camshaft may be tunnel-mounted in at least two bearing openings arranged along a bearing channel. The bearing openings may enclose the camshaft. At least one axial bearing disc may be arranged on the camshaft. The bearing frame or cylinder head cover may have at least one recess which is open towards the camshaft. The at least one recess may be configured to circumferentially guide the axial bearing disc via two opposing axial bearing end faces of the axial bearing disc interacting with a side wall region of at least one side wall of the at least one recess, thereby forming an axial bearing for the camshaft. | 10-09-2014 |
20140290618 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - The invention relates to a piston ( | 10-02-2014 |
20140283796 | SUPERCHARGED INTERNAL COMBUSTION ENGINE - A supercharged internal combustion engine may include an exhaust gas turbocharger which is integrated into an exhaust section on the turbine side and into an intake section on the compressor side. An exhaust gas recirculation line may connect the exhaust section and the intake section. The exhaust gas recirculation line may branch off from the exhaust section downstream of a turbine of the exhaust gas turbocharger and opens into the intake section upstream of a compressor. A valve device for performing at least one of open-loop and closed-loop control of an exhaust gas recirculation rate may be arranged in the region of the exhaust gas recirculation line. | 09-25-2014 |
20140272188 | ANTI-FRICTION COATING TO PISTON ASSEMBLY - A method of applying an anti-friction coating to a piston assembly is provided including applying an anti-friction coating to at least a portion of the surface area of a piston. The anti-friction coating comprises a binder matrix and a solid lubricant. A localized curing energy is applied to only a portion of the surface area. The localized curing energy comprises a first curing energy. | 09-18-2014 |
20140265140 | DISSIMILAR RADIAL WALL OIL CONTROL RAILS - Exemplary pistons and oil control ring assemblies are disclosed, along with methods of making and using the same. An exemplary piston assembly includes a main body defining an outer circumferentially disposed groove, and an oil control ring assembly selectively disposed within the outer circumferentially disposed groove. The oil control ring assembly may include upper and lower oil control rails selectively disposed within the piston groove, each having a respective seal surface configured to seal against a piston bore surface of an engine. The oil control ring assembly may further an expander selectively disposed in the groove. The expander may be configured to push the upper and lower oil control rails radially outward to contact the piston bore surface. The upper and lower oil control rings may define different radial widths. | 09-18-2014 |
20140261256 | CONNECTING ROD WITH LUBRICATION PASSAGE - Exemplary connecting rods and piston assemblies are disclosed. An exemplary connecting rod includes a shaft extending between a piston pin end and a crankshaft pin end, where the piston pin end defines a pin bore opening. The shaft defines a lubrication passage. The connecting rod further includes a piston pin bore surface extending about an inner circumference of the pin bore opening, and the lubrication passage extends through the shaft from the crankshaft pin end to the pin bore opening. The connecting rod may further include a valve received within the opening, e.g., a one-way valve, that is configured to permit a fluid to flow through the valve toward the piston pin end while restricting flow of the fluid through the valve toward the crankshaft pin end. | 09-18-2014 |
20140260960 | WELDED PISTON ASSEMBLY - A pre-finished piston part is disclosed that may be used to form a piston assembly. A pre-finished piston may include a lower part defining a piston axis, the lower part having a skirt and forming a lower surface of a cooling gallery. The lower part may include a radially inner bowl surface defining a lower part radially inner mating surface. The pre-finished piston assembly may further include an upper part having a radially outer bowl surface meeting the radially inner bowl surface at a radially inner joint. The upper part may include a radially inner wall defining a radially inner upper part mating surface. The radially inner wall may define a radially inwardly facing surface that defines a non-parallel angle with the radially inner bowl surface where the radially inner bowl surface meets the radially innermost edge of the radially inner mating surface. | 09-18-2014 |
20140260143 | PLATE FILTER ELEMENT - A plate filter element for a filter device may include a filter body having a peripheral edge, which has at least two rectilinear wall sections, which border each other and forming a corner. A seal may be attached to the filter body and be arranged peripherally along the edge. The seal may have an inner contour running around the inside and an outer contour running around the outside. The inner contour may run parallel to the rectilinear edge sections into the respective corner. The outer contour may run parallel to the rectilinear edge sections to a corner region, which contains the respective corner and end sections of the rectilinear edge sections border the respective corner regions. The outer contour may form a bulge, which curves outwards in relation to rectilinear sections of the outer contour, in the corner region. | 09-18-2014 |
20140251257 | BEARING ARRANGEMENT - A bearing arrangement for a camshaft may include a bearing ring arranged between two functional elements. The bearing ring may be supported with respect to the functional elements via axial front sides. At least one of the axial front sides of the bearing ring and a side of the respective functional elements in sliding contact with the axial front side may have a polymer coating. | 09-11-2014 |
20140251255 | PISTON - A piston for an internal combustion engine may include a surface in a region on a crankshaft side. The piston may include a thermally conductive coating disposed on the surface via thermal spraying. | 09-11-2014 |
20140251254 | OIL SCRAPER RING FOR A PISTON OF AN INTERNAL COMBUSTION ENGINE - The invention relates to an oil scraper ring ( | 09-11-2014 |
20140251144 | FRESH AIR LINE - A fresh air line for a fresh air system may include a tubular body enclosing a fresh air path in a circumferential direction. At least one annular adsorber element arranged coaxially in the tubular body. The fresh air line may also include at least one resonance chamber arranged radially between the tubular body and the adsorber element. | 09-11-2014 |
20140251037 | DEVICE FOR POSITIONING AT LEAST ONE FUNCTIONAL ELEMENT - A device for positioning at least one functional element having a hub for a shaft in a predefined angle position on the shaft includes at least one holder for receiving at least one functional element. The device may include a tailstock or coaxially aligning the shaft in relation to the hub of the at least one functional element. The tailstock may include a centring cone for receiving the shaft. The centring cone may be axially displaceable in relation to the tailstock. The tailstock may include radially expandable centring elements for centring the functional element. The centring elements may assume a defined position against the hub of the functional element in an extended position. The device may also include a movable guide block for moving the shaft. | 09-11-2014 |
20140246186 | HEAT EXCHANGER ASSEMBLY - A heat exchanger assembly may include an intercooler and a housing which encloses said intercooler. The housing may be part of a charge air line. The housing may include a charge air inlet, a charge air outlet and an opening through which the intercooler can be inserted into the housing from one side. The housing may also include a recess on the side opposite the opening, into which recess the intercooler engages. The heat exchanger assembly may include an elastic seal arranged in the region of the recess between the intercooler and the housing. The seal may be configured to at least one of bridge the deformation of the housing occurring during pressure pulsations, bridge relative movements between the intercooler and the housing, and tightly connect the intercooler to the housing in all operating states preventing an undesirable bypass flow. | 09-04-2014 |
20140245987 | ELEMENT PROVIDED WITH AT LEAST ONE SLIDE SURFACE FOR USE ON AN INTERNAL COMBUSTION ENGINE - The present invention relates to an element ( | 09-04-2014 |
20140242277 | METHOD FOR THE PRODUCTION OF A CONNECTING ROD FOR AN INTERNAL COMBUSTION ENGINE - A method for producing a connecting rod for an internal combustion engine, having a small connecting rod eye for holding a piston pin and having a large connecting rod eye for holding a crank pin, wherein at least one connecting rod eye has at least one geometric deviation from a cylindrical inner contour. It is provided according to the invention that the at least one connecting rod eye is formed by creating a bore with a cylindrical inner contour, and coating the bore with a coating comprising a resin with solid lubricant particles embedded therein. The coating forms the at least one geometric deviation from the cylindrical inner contour of the at least one connecting rod eye. | 08-28-2014 |
20140239218 | METALLIC HOLLOW VALVE - A metallic hollow valve may include a tubular shaft having a cavity. The shaft may be coupled to a valve head. The shaft may have an external diameter of 5.0 mm08-28-2014 | |
20140238333 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - The invention relates to a piston ( | 08-28-2014 |
20140238321 | CAMSHAFT AND CORRESPONDING PRODUCTION METHOD - A camshaft for an internal combustion engine may include a shaft and at least one component that is joined to said shaft. The component may be connected via a joint surface of the component to a joint surface of the shaft. At least one of the joint surface of the component and the joint surface of the shaft may have a predefined roughness only partially on load-critical regions. | 08-28-2014 |
20140238232 | PISTON ASSEMBLY WITH WELD SUPPORT - Exemplary piston assemblies and methods of making the same are disclosed. An exemplary piston may include a piston body defining a piston axis, the piston body having a skirt and forming a lower surface of a cooling gallery. The body may include radially inner and outer body mating surfaces. The piston may further include a cooling gallery ring cooperating with the piston body to form the cooling gallery. The piston body and cooling gallery ring may be joined together along radially inner and radially outer interface regions to form a generally one-piece piston assembly. In some exemplary approaches, mating surfaces of the body and ring may be positioned adjacent a support surface configured to inhibit or prevent weld spatter formed in a process joining the ring and body from the cooling gallery. | 08-28-2014 |
20140230775 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - A piston for an internal combustion engine includes a piston head that has a piston crown, a top land, a ring part, and a combustion bowl with a bowl base, a bowl wall, and an insert which is made of an annular component and which is held in the piston head by means of an undercut section. According to the invention, the component has an inner wall on the bowl side, the inner wall continuously tapering off all the way to the bowl wall or the bowl base in a flush manner, thereby forming a circumferential edge that tapers into a point. | 08-21-2014 |
20140220380 | SLIDE COMPONENT AND METHOD FOR PRODUCTION OF CLADDING ON A SUBSTRATE - A slide component, used in internal combustion engines, provided with a metal-based substrate material and a protective liner (R), with the slide component having at least two main elements, the first one composed by an element with high resistance to corrosion, and the second element providing increase of the resistance to wear and/or presenting lower friction than the substrate material, both of them covering at least one of the surfaces of the slide component. | 08-07-2014 |
20140217677 | PISTON RING WITH DUAL COATING - Exemplary piston rings are disclosed, comprising a base portion formed of a metallic material, and an outer contact surface extending between opposing side faces of the piston ring. The piston ring may include a coating layer applied to the outer contact surface, with the coating layer including an inner layer and an outer layer. Exemplary methods of making a piston ring are also disclosed, comprising providing a base portion formed of a metallic material, applying an inner layer to an outer surface of the base portion, and applying an outer layer on top of the inner layer. | 08-07-2014 |
20140216385 | FRESH AIR SUPPLY DEVICE OF AN INTERNATIONAL COMBUSTION ENGINE - A fresh air supply device for an internal combustion engine may include a suction module for conducting supercharged fresh air and a charge air cooler arranged in the suction module for cooling the supercharged fresh air. The suction module includes a housing with a charge air inlet for uncooled charge air and a charge air outlet for cooled charge air. The housing has a cooler shell, which may include the charge air inlet containing the charge air cooler and an assembly opening. With respect to a flow direction of the charge air the assembly opening may be arranged downstream of the charge air cooler and through which the charge air cooler is inserted into the cooler shell. The housing has a connecting shell, which includes the charge air outlet and which in the region of the assembly opening is attached to the cooler shell in an air-tight manner. | 08-07-2014 |
20140208941 | STEEL PISTON WITH FOURTH LAND GUIDANCE AND IMPROVED FRICTION CHARACTERISTICS - Steel pistons used in many internal combustion engines are generally composed of a skirt and a crown. The skirt's function is to reduce the lateral and rotational movement of the piston in the cylinder while the engine is in operation. Lateral and rotational frictional forces imparted to a piston during engine operation cause the piston to scrape off the lubricating oil film present on the cylinder wall. The reduced oil film thickness increases piston and cylinder wall wear due to metal to metal contact. The subsequent metal to metal contact produces a phenomenon called scuffing. This disclosure incorporates several design modifications to the piston and results in a significant reduction of the lateral and rotational motion of the piston during engine operation. The reduction of piston motion reduces the amount of oil film removed from the cylinder wall and increases lubrication efficiency. The Increased lubrication efficiency realized reduces frictional wear power loss and scuffing. | 07-31-2014 |
20140205881 | HEAT TRANSFER DEVICE - A heat transfer device for a motor vehicle may include a pump and a heat exchanger. The heat exchanger may have a first inlet and a first outlet for a refrigerant, and a second inlet and a second outlet for a coolant. The pump and the heat exchanger may be mounted to each other forming a common assembly. | 07-24-2014 |
20140202001 | METHOD FOR THE PRODUCTION OF A PISTON FOR AN INTERNAL COMBUSTION ENGINE - A method for producing a piston from an upper piston part and a lower piston part. A strip- or plate-shaped semifinished product made of a metal material is provided, from which an annular upper piston part or an annular blank is stamped out, which blank is finished to form an upper piston part, wherein the upper piston part is connected to a lower piston part to form a piston. | 07-24-2014 |
20140197602 | PISTON RING WITH LOCALIZED NITRIDED COATING - A piston ring comprising upper face, a lower face, an inner perimeter wall, and an outer perimeter wall that extends around the piston ring from the upper face to the lower face, where the outer perimeter wall has upper corner region disposed adjacent the upper face, a lower corner region disposed adjacent the lower face, and a band of a nitrided conversion layer extending between the upper corner region and the lower corner region, and where a PVD nitride layer is disposed on the upper corner region and on the lower corner region. | 07-17-2014 |
20140197142 | MONOLITE PISTON LASER WELDING SPATTER CONTROL - An exemplary system and method for welding a piston assembly includes a piston assembly having a cooling gallery and a loose granulated medium positioned therein. The cooling gallery is formed by a piston body and a cooling gallery ring, and a welder such as a laser welder is positioned proximate the assembly to weld the piston body to the cooling gallery ring. During welding, the assembly is rotated and the loose granulated medium is caused to remain in a gravitationally low portion of the cooling gallery. The weld is formed in an area proximate the loose granulated medium such that weld spatter emitted during welding is emitted into the loose granulated medium. | 07-17-2014 |
20140196552 | DEVICE FOR POSITIONING MULTIPLE FUNCTION ELEMENTS - A device for positioning multiple function elements having a recess for receiving a shaft in a predetermined angle position may include multiple mountings for receiving the function elements. The mountings may be equipped with a moulding establishing the predetermined angle position of the respective function element corresponding to the angle position on the shaft. The mountings may be positioned such that the recesses of the function elements lie on a common straight line. The mountings may be arranged vertically on top of one another so that the common straight line runs in vertical direction. A vertically moveable guide carriage for the shaft may be provided for joining the shaft with the function elements in vertical direction. | 07-17-2014 |
20140196421 | UREA FILTER MATERIAL - A urea filter material may have a base layer, a cover layer and a filter layer arranged between the base layer and the cover layer, wherein all of the layers are formed from polypropylene non-woven fabric. | 07-17-2014 |
20140190443 | PISTON FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR ITS PRODUCTION - A piston for an internal combustion engine, having a piston base body, a piston ring element having at least an inner region of a piston crown, and a piston skirt. The piston is provided with pin bosses having pin bores and the ring element has at least an outer region of a piston crown having a circumferential top land and a circumferential ring belt provided with ring grooves. The piston base body and piston ring element are joined together by way of corresponding, conical joining surfaces configured on them. | 07-10-2014 |
20140177988 | BEARING LININGS - A bearing lining has a bearing backing layer provided with a coating comprising a first overlay layer and a second overlay layer, the first overlay layer being provided between the bearing backing layer and the second overlay layer. The first and second overlay layers each comprise a matrix material and a soft-phase material that is substantially insoluble in the matrix and dispersed within the matrix as soft-phase particles. The first overlay layer comprises a higher proportion by weight of a grain size reduction additive than the second overlay layer. | 06-26-2014 |
20140173895 | METHOD FOR THERMALLY JOINING NON-ROUND FUNCTIONAL COMPONENTS TO A SHAFT - A method may include thermally joining at least one of a non-round functional component to a shaft and a cam to a camshaft, elastically compressing the functional component during introduction of a round through-opening, and creating a through-opening which is not round when the functional component is unstressed and at least minimizes an asymmetrical deformation of the shaft after the thermal joining of the functional component to the shaft. | 06-26-2014 |
20140161630 | ELECTRIC FLUID PUMP - An electric fluid pump may include a wet section having a pump wheel and a permanently excited rotor of an electric motor arranged therein. The electric fluid pump may include a dry section having a stator of the electric motor arranged therein. A containment shell may be included configured to separate the wet section from the dry section. The dry section may include control electronics for controlling the fluid pump. The control electronics may connect in a heat-transferring manner to the containment shell and the wet section via the containment shell. | 06-12-2014 |
20140158607 | FILTER WITH ABSORBING EXPANSION VOLUME - A container may include a housing and a filter element configured to separate a contaminant from a liquid. A compliant element may surround a perimeter of the filter element within the housing. The compliant element may include, for example, a compliant tubing or foam. The compliant element may be configured to absorb the expansion of the liquid as it freezes to a solid to prevent damage to the housing and/or filter element. | 06-12-2014 |
20140158077 | BEARING ARRANGEMENT - A bearing arrangement may include at least one sliding bearing having a polymer coating. The bearing arrangement may bear a camshaft, and at least one of the polymer coating is applied to the camshaft, and the polymer coating is arranged in a bearing ring. An oil trough for collecting oil may be provided on at least one of the bearing ring and a cylinder head which receives the bearing ring. | 06-12-2014 |
20140158076 | LOW FRICTION CAMSHAFT - A camshaft may include a shaft with journals that have outer surfaces with a common outer diameter for carrying cages and roller bearings, such as low-friction needle roller bearings, to provide a uniform rolling speed of the rolling members axially along the camshaft. | 06-12-2014 |
20140150747 | PISTON FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR PRODUCING THE PISTON - A piston for an internal combustion engine, has a piston crown, two pin bosses, and pin bores introduced into the pin bosses. Respective lubricating grooves are formed in the nadir and equator regions of the pin bores. In order to improve the lubrication of the pins, the lubricating grooves are arranged in the radially inner edge area of the respective pin bore and additionally in a plane lying at an angle to the piston axis, such that the lubricating grooves open into the radial inner faces of the pin bosses, where lubricating oil can enter the lubricating grooves. The lubricating grooves are produced by a lathe tool, the rotational axis of which is tilted relative to the pin bore axis and which is moved in a direction pointing away from the piston crown during the turning. | 06-05-2014 |
20140144404 | METHOD FOR PRODUCING A CYLINDER LINER SURFACE AND CYLINDER LINER - A method for producing a cylinder liner surface for a cylinder crankcase of an internal combustion engine has the following method steps: (a) preliminary honing of the inner surface of a cylinder liner consisting of a cast iron material to form depressions in the surface; (b) application of a coating material containing zinc to the honed surface; (c) final honing of the coated surface in such a way that the coating material containing zinc remains only in the depressions formed by the preliminary honing. | 05-29-2014 |
20140137405 | METHOD FOR THE PRODUCTION OF A PISTON FOR AN INTERNAL COMBUSTION ENGINE - A method for producing piston for an internal combustion engine which has a piston head that has a circumferential cooling channel as well as a combustion bowl having a circumferential bowl wall that makes a transition into a piston crown by way of a bowl edge region. The combustion bowl is formed at least in part by a piston base body and the bowl wall is formed at least in part from an insert. The insert is connected with the piston base body by means of beam welding. A lower weld. seam is configured in the bowl wall, which seam encloses an acute angle with the piston center axis (M) and ends in the lower half of the cooling channel. An upper weld seam runs from the cooling channel ceiling to the piston crown and is disposed centered or radially offset toward the outside, with reference to the clear width of the cooling channel. | 05-22-2014 |
20140130767 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - The present invention relates to a piston ( | 05-15-2014 |
20140130540 | ADSORBER STRUCTURE AND MODULE FOR A HEAT PUMP - An adsorber structure for a heat pump, having at least one pipe, through which a heat-transfer fluid can flow, and an adsorption medium, wherein a working medium can be adsorbed and desorbed on the adsorption medium and the adsorption medium is in thermal connection with the pipe, wherein the adsorption medium is designed as at least one, in particular several, molded bodies, which is/are directly adjacent to a pipe wall of one of the pipes. | 05-15-2014 |
20140126847 | BEARING ARRANGEMENT - A bearing arrangement comprising a bearing shell, and a bearing shell receiving element, wherein the bearing shell is cylindrical or part-cylindrical and has a circumferential oil supply slot, and the bearing shell receiving element has an oil supply channel located in correspondence with the oil supply slot. | 05-08-2014 |
20140116371 | COMPONENT AND ASSOCIATED PRODUCTION METHOD - A method for producing an intake module may include providing a housing and at least one intercooler arranged therein; forming at least two housing parts via injection moulding from plastic; inserting at least one intercooler into at least one of the housing parts; wherein the housing parts, with at least one intercooler inserted therein, are welded together to form the housing; and wherein the intercooler has contact points to at least two of the housing parts. | 05-01-2014 |
20140109861 | PISTON AND TRIBOLOGICAL SYSTEM CONSISTING OF A PISTON AND A CYLINDER RUNNING SURFACE OF A CYLINDER CRANK CASE FOR AN INTERNAL COMBUSTION ENGINE - A piston for an internal combustion engine may include a piston head and a piston skirt. The piston skirt may have piston bosses provided with boss bores. The piston bosses may be connected to each other at running surfaces. The running surfaces may be provided at least partially with a coating which is sprayed using a cold gas method. The material of the coating may be selected from the group comprising at least one of nickel, iron, copper, nickel-based alloys, iron-based alloys, copper-nickel-tin-based alloys and copper-tin-silver-based alloys. | 04-24-2014 |
20140102659 | METHOD FOR MAKING AN ARRANGEMENT CONSISTING OF A CAST PART AND A CAST-IN COMPONENT - A method for making an arrangement consisting of a cast part and a cast-in component composed of a metallic material. The cast-in component is composed of a metallic material that has a galvanically applied nickel layer. The layer is applied by positioning the cast-in component in an electrolyte bath and applying the coating on at least part of the surface of the component. The cast-in component is then positioned in a casting mold and a cast part is casted around the cast-in part. | 04-17-2014 |
20140102401 | CYLINDER LINER AND STRUCTURAL UNIT CONSISTING OF AT LEAST ONE CYLINDER LINER AND A CRANKCASE - The invention relates to a cylinder liner ( | 04-17-2014 |
20140102399 | ENGINE COMPONENT - The present invention has the objective of solving the problems encountered in coating engine components (engine blocks or sleeves, either fixed or movable) having at least one cylindrical cavity and composed mainly by iron or aluminum, providing them with a coating ( | 04-17-2014 |
20140102294 | PISTON WITH COOLING GALLERY AND COOLING GALLERY FINS - A piston may include a piston crown including radially inner and outer crown mating surfaces, the crown defining at least in part a cooling gallery extending about a periphery of the crown. The piston may include a piston skirt including a pair of oppositely disposed pin bosses, the pin bosses each defining a piston pin bore. The piston skirt may have a radially inner skirt mating surface cooperating along a radially inner interface region with the radially inner crown mating surface, and a radially outer skirt mating surface cooperating along a radially outer interface region with the radially outer crown mating surface such that the cooling gallery is substantially enclosed. The piston may include at least one cooling fin extending from an interior surface of the cooling gallery. | 04-17-2014 |
20140096739 | CRANKSHAFT - A crankshaft comprising a plurality of main journal bearing surfaces ( | 04-10-2014 |
20140083298 | FILTER DEVICE - A filter device for venting a fuel tank on a motor vehicle may include a filter module attached to the filter device. The filter module may have a module housing having at least two series-connected filter chambers. | 03-27-2014 |
20140069355 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - A piston for an internal combustion engine is formed by the following steps: (a) providing a blank of a piston base body, having an outer joining surface, an inner joining surface and a circumferential lower cooling channel part that runs between the two joining surfaces, (b) providing a blank of a piston ring element, having an outer joining surface, an inner joining surface and a circumferential upper cooling channel part that runs between the two joining surfaces, (c) forming a circumferential widened region on at least one joining surface, the widened region extending toward the related cooling channel part, (d) connecting the blank of the piston base body with the blank of the piston ring element by way of their joining surfaces, by friction welding, to produce a piston blank, and (e) machining the piston blank further and/or finish-machining it to produce a piston. | 03-13-2014 |
20140035235 | THREE-PIECE OIL-CONTROL RING FOR AN INTERNAL COMBUSTION ENGINE - A three-piece oil control ring is provided for use in a piston groove of an internal combustion engine. The ring comprises a first annular segment and a second annular segment, associated to an expanding element. The expander has a substantially annular shape and comprises a first end facing the internal wall of the groove when the ring is mounted on the piston and a second opposite end. The ring further comprises an intermediate portion having at least one protrusion for association with the segments. Still further, the first end exhibits first thickness value (E | 02-06-2014 |
20140007949 | WATER DISCHARGE DEVICE - A water discharge device may include a water collection chamber including a water drainage valve. At least one water sensor may be arranged in a region of the water collection chamger for determining a water level in the water collection chamber and for controlling the water drainage valve. A device may be configured to maintain the water sensor in contact with the water by keeping a water level artificially high in the region of the water collection chamber at the water sensor. | 01-09-2014 |
20130327699 | FUEL FILTER - A fuel filter may include a housing having a first annular filter element and a second annular filter element. The filter elements may be arranged coaxially and offset to each other in the axial direction and may be connected in series and therefore configured to allow flow to pass through each in succession. The annular filter elements may be selectively replaceable. Adapter elements may be connected to each other and to at least one of the annular filter elements by a respective plug-in connection. One of the adapter elements may have a continuation configured to close a no-load opening in the housing when the filter element is inserted. | 12-12-2013 |
20130312695 | PISTON FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR THE PRODUCTION THEREOF - The present invention relates to a piston ( | 11-28-2013 |
20130299414 | HYDRAULIC FILTER - A hydraulic filter may include a ring-shaped full-flow filter and a partial-flow filter arranged coaxially inside the full-flow filter. | 11-14-2013 |
20130291503 | FILTER DEVICE - A filter device for gases may include a housing having a first housing and a second housing configured to axially abut each other in a flange regione. A plate-shaped filter element may have a circumferential seal arranged in the flange region. The first housing part may have two mutually opposite radial bearing faces in a flange region and the seal may have two radial sealing faces facing away from each other and each sealing face may bear flat against the respective bearing face. | 11-07-2013 |
20130276763 | DEVICE FOR COOLING CHARGE AIR, SYSTEM FOR CONDITIONING CHARGE AIR, AND INTAKE MODULE FOR AN INTERNAL COMBUSTION ENGINE - The present invention relates to a device for cooling charge air for an internal combustion engine of a vehicle. The device comprises a plurality of first coolant pipes for conducting a first coolant and a plurality of second coolant pipes for conducting a second coolant, wherein the first coolant pipes and the second coolant pipes extend in a longitudinal extension direction of the device and the plurality of first coolant pipes is arranged adjacent to the plurality of second coolant pipes in a transverse extension direction of the device. | 10-24-2013 |
20130276734 | INTERNAL COMBUSTION ENGINE - A camshaft may have an inner shaft and an outer shaft, each rotatable relative to the other. An adjusting device may include a first phase adjuster and a second phase adjuster. The outer shaft may be mounted in a stationary counter bearing adjacent to the adjusting device and the adjusting device may have a first phase adjuster and a second phase adjuster. The counter bearing may be designed as a slide bearing and oil supply to the phase adjusters may take place via the slide bearing. The slide bearing may have a first, second and third oil channel. The first oil channel may act on the first phase adjuster with corresponding oil flows, the second oil channel may act on the second phase adjuster with a first oil flow, and the third oil channel may act on the second phase adjuster with a second oil flow. | 10-24-2013 |
20130276633 | ADSORBER ELEMENT, RING FILTER ELEMENT - An annular adsorber element may be used in conjunction with a fresh air system of an internal combustion engine for adsorbing particles such as hydrocarbons. The annular adsorber element may include a support structure and an adsorber material. The support structure may be injection molded onto the adsorber material. | 10-24-2013 |
20130276626 | HYBRID PIN FOR CONNECTING A PISTON FOR AN INTERNAL COMBUSTION ENGINE TO A PISTON ROD, AND PRESSING DEVICE FOR PRODUCING THE HYBRID PIN - The invention relates to a hybrid pin ( | 10-24-2013 |
20130264022 | METHOD FOR PRODUCING A CYLINDER FOR A TWO-STROKE ENGINE AND CASTING CORE THEREFOR - The invention relates to a method for producing a cylinder ( | 10-10-2013 |
20130256214 | MULTI-CHANNEL MEMBRANE - A multi-channel membrane, in particular for treatment of liquids, includes at least one outer membrane surface and one inner membrane surface, which forms at least two longitudinally extending inner channels, which are enclosed by the outer membrane surface. | 10-03-2013 |
20130251580 | PENDULUM-SLIDE PUMP - A pendulum-slide pump may include a rotatingly mounted inner rotor connected via at least one pendulum with an outer rotor. The inner rotor may define a plurality of radial grooves configured to receive the pendulum. The grooves may have two groove walls that continues via a rounded region into a shared groove base. The rounded region may have variable groove radii and continue with at least a reduced curvature jump into the groove base or the groove walls. The groove radii may be greated in the translation to the groove walls and to the groove base than therbetween. | 09-26-2013 |
20130228147 | HOLLOW PLASTIC PIECE - A hollow plastic part may include at least two plastic shells connected with one another at a respective edge along at least one joining plane. Each plastic shell may have at least a first component and a second component, wherein the plastic of the first component may have a lower melting temperature than the plastic of the second component. The first component may extend on at least one plastic shell in a caterpillar-like manner along at least part of the respective edge of the second component of this plastic shell. | 09-05-2013 |
20130220263 | VALVE SYSTEM FOR CONTROLLING THE CHARGE EXCHANGE - A valve system for controlling the charge exchange in an internal combustion engine may include a valve seat ring and a valve having a valve seat configured to form a sealing system with the valve seat ring, wherein the valve seat may be nitrocarburised. | 08-29-2013 |
20130220069 | ADJUSTABLE CAMSHAFT - An adjustable camshaft may include an inner shaft and an outer shaft coaxially surrounding the inner shaft. A cam may have a cam body and a ring collar axially projecting from the cam body. The ring collar may be slidingly arranged with a radial gap on the outer shaft and have a receptacle for pinning together the cam and the inner shaft with a pin. A seal may be arranged in a region of the ring collar for sealing the gap. | 08-29-2013 |
20130209013 | BEARING BUSH - A bearing bush is described wherein the bush bore at the axial ends of the bush is provided with relieved portions extending at least a part of the distance around a circumference of the bush, the relieved portions being in the form of grooves in the bore surface. | 08-15-2013 |
20130199979 | FLUID FILTER - A fluid filter may include a filter housing including a pot and a lid. A ring filter element may be arranged within the filter housing, through which flow may pass radially and which separates an untreated space from a clean space. The ring filter element may have an upper and a lower end disc. A heating device may be configured to allow heating of the fluid to be filtered. The filter housing may define a port into which the heating device is inserted and the port may separate the heating device from the fluid to be heated. | 08-08-2013 |
20130193062 | HYDRAULIC FILTER ELEMENT AND ASSOCIATED PRODUCTION METHOD - A hydraulic filter element may include cylindrical filter body having a filter material folded in a star-shaped manner. A cylindrical inner frame may be radially supported on an inside of the filter body. A cylindrical sleeve may be permeable to a respective hydraulic medium and arranged radially against the outside of the filter body under prestress, wherein the sleeve may include a knitted textile material. | 08-01-2013 |
20130168048 | HEAT EXCHANGER - A heat exchanger may include a plurality of layers arranged on top of each other, each of the layers having a first cavity for the passage of a medium and a second cavity for the passage of a coolant. Each layer may define a through hole for the passage of the medium and each layer may include a frame in which a turbulence insert may be inserted. Each frame may have an end region configured to define at least one channel closure and the through holds for the passage of the medium. The frame may have a guide opening for receiving an assembly aid and the guide opening may be formed between the through holes and the channel closure. | 07-04-2013 |
20130167801 | OIL CONTROL RING OF FERROUS BODY FOR INTERNAL COMBUSTION ENGINES - An oil control ring for internal combustion engines, formed by a ferrous body having two external contact surfaces where each surface contains first and second extremity edges, two tilted faces where each tilted face starts from the respective second edge, a peripheral transversal section directed at the cylinder wall and an internal circular section directed at the side of the piston, where the projections of contact are directed, so that the respective tilted faces are turned facing the other, symmetrically, in a preferred concretization. The ring allows the maintenance of appropriate levels of contact pressure, even under reduced expanding loadings due to the use of profile that brings reduced contact of the ring with the cylinder interface. Additionally, it brings better dynamic stability and consequent distribution of the contact pressure of the set. It also makes it possible to apply superficial hardening treatments on oil rings with reduced contact surface. | 07-04-2013 |
20130160733 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - A multi-part piston for an internal combustion engine has a piston upper part and a piston lower part. The piston upper part comprises a piston head, a continuous fire land and a continuous ring part. The piston upper part and the piston lower part are connected together by securing means and form a continuous cooling channel. According to the invention, the connecting means connecting the piston upper part and the piston lower part are embodied as cooling elements that are arranged in the cooling channel and that are made of heating-conducting material. | 06-27-2013 |
20130156359 | SHAFT/BEARING ARRANGEMENT - A shaft may have functional elements arranged thereon and at least one bearing point. At least one rolling bearing with rolling bodies may be arranged between the shaft and the at least one bearing point, the bearing having at least one rolling body cage configured to accommodate the rolling bodies and an outer ring. The rolling body cage may be fixed at least one of directly and indirectly to the shaft by a carrier ring and the outer ring may be fixed in the bearing point. The carrier ring may include the rolling body cage fixed thereon, the cage having a greater radial extent than the functional elements. The carrier ring may have a radial extent smaller than the greatest radial extent of one of the functional elements | 06-20-2013 |
20130152531 | FILTER ELEMENT, IN PARTICULAR AIR FILTER ELEMENT - A filter element may include a first end disc, a second end disc, a filter medium arranged between the first and second end discs, wherein the first and second end discs are spaced by a filter medium. A third end disc may connect the first and second end discs and be arranged obliquely to at least one of the first end disc and the second end disc. The third end disc may include at least one of an inlet and outlet, | 06-20-2013 |
20130152528 | FILTER INSERT - A filter housing may include a filter insert configured to be inserted into the filter housing. The filter insert may have two spaced and opposite base discs and a filter wall configured to connect edge zones of the base discs. The filter insert may be penetrated by an opening connected to at least one of an untreated space inlet and clean space outlet of the housing. The opening is arranged in a flange plate connected in a leakproof manner to the base discs and the flange plate may be connected in a leakproof manner to the filter wall. | 06-20-2013 |
20130152527 | FILTER ARRANGEMENT, IN PARTICULAR AIR FILTER ARRANGEMENT - A filter arrangement may include a housing having two front walls substantially extended on both sides of a housing center plane and a circumferential wall connecting the front walls. The housing may include an untreated space inlet and a clean space outlet. A filter insert may be arranged between the inlet and the outlet and include two bottom discs that are adjacent to the side walls in the assembled state of the filter insert. The filter insert may include a filter wall extending between and connecting the bottom discs. The filter wall may extend substantially orthogonal to the housing center plane. A lateral disc may define an opening configured to be tightly connected to at least one of the inlet and the outlet. The front walls may be coupled to the bottom discs in the assembled state of the filter insert through interacting profile parts arranged on at least one of the front walls and the bottom discs into a double wall. | 06-20-2013 |
20130152524 | FILTER ARRANGMENT, IN PARTICULAR AIR FILTER ARRANGEMENT - A filter arrangement may include a housing having an untreated space inlet and a clean space outlet and a filter insert configured to attached to the clean space outlet in the housing and to separate a clean space in the interior of the filter insert from an untreated space outside the filter insert. A lining part may be arranged on the filter insert at the clean space, wherein the lining part is configured to form a collection space for dirt retained by the filter wall in the vicinity of the clean space outlet. | 06-20-2013 |
20130139779 | BALANCING SHAFT - A balancing shaft may have at least one unbalance portion and at least one bearing point, wherein the at least one unbalance portion is associated with the at least one bearing point. The balancing shaft on the bearing point may define a transverse opening which separates a first part bearing surface from a second part bearing surface. | 06-06-2013 |
20130139571 | DIFFERENTIAL PRESSURE MEASURING DEVICE AND DEGREE OF POLLUTION MONITORING UNIT AND FILTER UNIT - A differential pressure measurement device may include a piston arranged in a cylinder and configured to define a first pressure space from a second pressure space within the cylinder. A first piston rod may be fixed to the piston and guided through the first pressure space out of the cylinder. A pressure sensor may be configured to interact with the first piston rod to measure a compressive force with which the first piston rod presses against the pressure sensor. A second piston rod may be fixed to the piston and guided through the second pressure space out of the cylinder. The chamber may be connected to a surface section of the pressure sensor which interacts with the first piston rod. | 06-06-2013 |
20130139503 | ACTUATING DRIVE, EXHAUST GAS RECIRCULATING VALVE, TURBOCHARGER - An actuating drive for an adjustable actuating element may include an actuator for producing drive forces. A toggle lever may be connected to the actuating element by a first toggle lever joint. A force transmission may connect the actuator to the toggle lever. An output-side output element may be mounted pivotably on a supporting housing section of the actuating drive. The toggle lever may be connected to the output element by a second toggle lever joint. A transverse support may be oriented transversely to a linear movement direction and configured to support at least one of the toggle lever and the actuating element on a guiding housing section of the actuating device. | 06-06-2013 |
20130133474 | METHOD FOR JOINING STRUCTURAL ELEMENTS ONTO A SHAFT - A method for joining structural elements onto a shaft may include generating at least one projection at a respective joining position on the shaft, sliding at least one of the structural elements over at least one projection and maintaining the structural elements in at least on projection. | 05-30-2013 |
20130126137 | STACKED PLATE HEAT EXCHANGER - A stacked plate heat exchanger may include a plurality of elongated plates on top of and connected to one another. The elongated plates may define a first cavity in the longitudinal direction of the plates and be configured to cool a medium. The elongated plates may define a second cavity for conducting a coolant therethrough, wherein in two end regions of each elongated plate, a through hole may be arranged for supplying the medium to be cooled. The through hole may be at least partially surrounded at its boundary by a dome and arranged approximately at the edge of the elongated plates. At least one of the dome and the through hole may be integrated in the edge of the elongated plate. | 05-23-2013 |
20130104838 | Piston for an internal combustion engine | 05-02-2013 |
20130092119 | CONNECTING ROD LUBRICATION RECESS - Exemplary connecting rods and methods of making a connecting rod are disclosed. A method of making a connecting rod may include the step of providing a connecting rod blank, where the connecting rod blank includes a crankshaft end and a piston pin end. The method may further include forming a crankshaft pin recess in the crankshaft end of the connecting rod blank and a piston pin recess in the piston pin end, and forming at least one lubrication recess in the piston pin end of the connecting rod blank. The lubrication recess and the piston pin recess may both formed concurrently. | 04-18-2013 |
20130074796 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - A piston for an internal combustion engine has a piston crown, a circumferential top land, and a circumferential ring belt having ring grooves, as well as having a piston skirt that has two skirt walls disposed on the major thrust side and the minor thrust side of the piston, and two box walls, set back with regard to the ring belt, that connect the skirt walls. The box walls have pin bosses with pin bores. The skirt wall disposed on the major thrust side is shorter, in a circumference direction of the piston, than the skirt wall disposed on the minor thrust side. | 03-28-2013 |
20130055969 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - The present invention relates to a piston ( | 03-07-2013 |
20130049304 | NITRIDED PISTON RING RESISTANT TO THE PROPAGATION OF CRACKS - This invention refers to the solution of problem of spalling of the nitrided layer in piston rings for Flex-fuel engines, without jeopardizing the wear resistance, suggesting for such purpose a nitrided piston ring ( | 02-28-2013 |
20130047948 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - A piston for an internal combustion engine has a piston crown, a circumferential ring belt, a circumferential cooling channel in the region of the ring belt, pin boss supports connected below the piston crown, and pin bosses connected with the pin boss supports, as well as a piston skirt. A cavity closed all around is provided below the piston crown and a coolant in the form of a metal or metal alloy having a low melting point is accommodated in the cavity. | 02-28-2013 |
20130045411 | COOLING DEVICE - A battery cooling device for the cooling of battery cell components may include at least one cooling fin extending sinuously and configured to be permeated by at least one of air and coolant. The cooling fin may have at least one of wavelike and steplike shape along its course and may be constructed to be elastic. | 02-21-2013 |
20130031782 | METHOD FOR PRODUCING A PISTON FOR AN INTERNAL COMBUSTION ENGINE - A method for producing a piston for an internal combustion engine, which piston has a piston head, an annular portion and a piston skirt which has two opposite piston pin bosses, shaft recesses being made into the regions of the radially outer end faces of the piston pin bosses during the final machining of the outer surface of the piston blank, the recesses extending in the radial direction. The final machining of the outer surface of the piston blank, including the shaping of the grooves into the annular portion and the shaping of the skirt recesses into the piston skirt, is carried out using a lathe, the position of the turning tool thereof being freely programmable depending on the rotational position of the piston. | 02-07-2013 |
20130019710 | Joined multiple cam comprising individual prefabricated cams - A joined prefabricated individual cam ( | 01-24-2013 |
20130016933 | BEARINGS WITH UNCOATED CRUSH RELIEVESAANM Laing; IanAACI RugbyAACO GBAAGP Laing; Ian Rugby GBAANM Barral; StephaneAACI Saint Martin BellevueAACO FRAAGP Barral; Stephane Saint Martin Bellevue FRAANM Fortune; CedricAACI AnnemasseAACO FRAAGP Fortune; Cedric Annemasse FRAANM Francois; RaphaelleAACI Hauteville Sur FierAACO FRAAGP Francois; Raphaelle Hauteville Sur Fier FRAANM Neyret; VirginieAACI Cran GevrierAACO FRAAGP Neyret; Virginie Cran Gevrier FRAANM Menu; LionelAACI MeythetAACO FRAAGP Menu; Lionel Meythet FR - There is disclosed a split bearing comprising a semi-cylindrical bearing member having a concave bearing surface extending throughout the length thereof to a parting face at each opposed circumferential end of the bearing member. The bearing surface has formed thereon a sprayed bearing overlay extending over the whole bearing surface except for crush relief regions adjacent to the parting faces. The bearing member has a substantially constant outer diameter and inner diameter except at the crush relief regions, where the inner diameter is larger than at other regions of the bearing surface. There is also disclosed a method of making such a bearing. Less overlay material is required than in conventional split bearings. | 01-17-2013 |
20130014724 | METHOD FOR THE PRODUCTION OF A PISTON FOR AN INTERNAL COMBUSTION ENGINE AND PISTON FOR AN INTERNAL COMBUSTION ENGINEAANM BISCHOFBERGER; UlrichAACI EsslingenAACO DEAAGP BISCHOFBERGER; Ulrich Esslingen DE - A method for the production of a piston for an internal combustion engine, composed of at least two components, each of which has at least one corresponding joining surface, has the following steps: a) pre-working the at least two components, at least in the region of the joining surfaces; b) coating at least a part of the surface of at least one component with a covering medium containing at least one phyllosilicate; c) assembling the at least two components; d) connecting the at least two components along their corresponding joining surfaces, by means of beam welding, to produce a piston blank; e) removing the covering medium and any excess weld material adhering to it; and f) machining the piston blank to produce a finished piston. | 01-17-2013 |
20130014723 | METHOD FOR THE PRODUCTION OF A PISTON FOR AN INTERNAL COMBUSTION ENGINE AND PISTON FOR AN INTERNAL COMBUSTION ENGINEAANM BUCHER; GerhardAACI EppingenAACO DEAAGP BUCHER; Gerhard Eppingen DE - A method for the production of a piston for an internal combustion engine, composed of at least two components, each of which has at least one corresponding joining surface, has the following method steps: a) pre-working the at least two components, at least in the region of the joining surfaces; b) covering at least a part of the surface of at least one component with at least one covering medium; c) assembling the at least two components; d) connecting the at least two components along their corresponding joining surfaces, by means of beam welding, to produce a piston blank; e) removing the at least one covering medium and any excess weld material adhering to it; and f) machining the piston blank to produce a finished piston. | 01-17-2013 |
20130014722 | PISTON FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR ITS PRODUCTIONAANM SCHARP; RainerAACI VaihingenAACO DEAAGP SCHARP; Rainer Vaihingen DEAANM KEMNITZ; PeterAACI LeutenbachAACO DEAAGP KEMNITZ; Peter Leutenbach DEAANM Ullrich; MichaelAACI MoeglingenAACO DEAAGP Ullrich; Michael Moeglingen DE - A piston for an internal combustion engine has a piston head that has a circumferential cooling channel as well as a combustion bowl having a circumferential bowl wall that makes a transition into a piston crown by way of a bowl edge region. The combustion bowl is formed at least in part by a piston base body and the bowl wall is formed at least in part from an insert. The insert is connected with the piston base body by means of beam welding. A lower weld seam is configured in the bowl wall, which seam encloses an acute angle with the piston center axis (M) and ends in the lower half of the cooling channel. An upper weld seam runs from the cooling channel ceiling to the piston crown and is disposed centered or radially offset toward the outside, with reference to the clear width of the cooling channel. | 01-17-2013 |
20130008407 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - The present invention relates to a piston ( | 01-10-2013 |
20130008405 | Piston for an internal combustion engine - A piston for an internal combustion engine has a piston head and a piston skirt delimited by a lower skirt edge. The piston skirt has a working surface assigned to its major thrust side (DS) and a working surface assigned to its minor thrust side (GDS), and a zone is assigned to each of the two working surfaces, which zone proceeds from the lower skirt edge and is exposed to a maximal stress during operation of the internal combustion engine. The zone of the working surface assigned to the major thrust side (DS) and/or the zone of the working surface assigned to the minor thrust (GDS) side is provided with a coating that has grooves that run vertically. | 01-10-2013 |
20130008404 | Piston for an internal combustion engine - A piston for an internal combustion engine has an upper piston part and a lower piston part, which form an outer circumferential cooling channel. The piston has pin boss connections that lie opposite one another, at which pin bosses are provided, which have pin bores that define a center axis (M). The upper piston part and the lower piston part are connected with one another by way of outer joining surfaces and inner joining surfaces. A bridge that runs essentially parallel to the center axis (M) is configured in the lower piston part, in the region of the pin boss connections. The bridge has two longitudinal sides that delimit an upper bridge surface. | 01-10-2013 |
20130008395 | Piston For An Internal Combustion Engine - The present invention relates to a piston ( | 01-10-2013 |
20130000591 | PIN BOSSES OF A PISTON FOR AN INTERNAL COMBUSTION ENGINE - The invention relates to pin bosses ( | 01-03-2013 |
20130000590 | METHOD FOR PRODUCING A PISTON FOR AN INTERNAL COMBUSTION ENGINE AND PISTON THAT CAN BE PRODUCED BY MEANS OF SAID METHOD - The present invention relates to a method for producing a piston ( | 01-03-2013 |
20130000120 | METHOD FOR PRODUCING AN ALUMINUM PISTON FOR AN INTERNAL COMBUSTION ENGINE - A method for producing an aluminum piston for an internal combustion engine, which piston is designed as a round skirt piston. In the region of the radially outer end faces of the piston pin bosses the piston skirt has skirt recesses extending in the direction of the piston axis. In order to be able, when using the piston, to produce skirt recesses that have any shape a piston blank is produced in a forging process using a forging die, which piston blank has inner faces that are complementary to the outer shape of the piston having skirt recesses and not-recessed regions of the piston skirt, and the piston blank can then be further machined to produce the aluminum piston. | 01-03-2013 |
20120285404 | Piston for an internal combustion engine - A piston for an internal combustion engine has a piston head with a circumferential ring belt and a circumferential cooling channel in the region of the ring belt, and a piston skirt having a working surface assigned to each of its major thrust side (DS) and its minor thrust side (GDS). At least one bore that proceeds from the cooling channel is provided. The bore ends in the working surface assigned to the minor thrust side (GDS), in the form of a bore opening, and is disposed at an incline, in such a manner that it encloses an acute angle (α) with the center axis (M) of the piston. The working surface assigned to the minor thrust side has a depression in the region of the bore opening. | 11-15-2012 |
20120260868 | Piston for an internal combustion engine - A piston for an internal combustion engine has a piston head and a piston skirt. The piston head has a circumferential ring belt and a circumferential cooling channel. The piston skirt has a working surface assigned to its major thrust side and to its minor thrust side. A bore that proceeds from the cooling channel is provided, which ends in the working surface assigned to the major thrust side, and is disposed at an incline, in such a manner that the bore exit encloses an acute angle (α) with the center axis (M) of the piston. An opening is formed in the working surface, and a deflection surface inclined relative to the working surface is provided between the bore and the bore exit. The working surface assigned to the major thrust side has a depression which forms at least one oil capture region above the opening. | 10-18-2012 |
20120248710 | PISTON RING AND PROCESS FOR MANUFACTURING A PISTON RING - The present invention refers to a piston ring, particularly for use in the piston channel of an internal combustion engine or a compressor, comprising at least a substantially ring-shaped metallic base ( | 10-04-2012 |
20120240881 | MULTI-PART PISTON FOR AN INTERNAL COMBUSTION ENGINE - A multi-part piston for an internal combustion engine has an upper piston part having a piston crown, and a lower piston part having pin boss supports and pin bosses connected with them. The upper piston part and lower piston part each have an inner and an outer support element, which delimit an outer circumferential cooling channel. The inner support elements delimit a cavity that is open toward the pin bosses, and the cavity is provided with a separate cooling oil collector that has at least one cooling oil opening. | 09-27-2012 |
20120222645 | Piston for an internal combustion engine and method for its production - The present invention relates to a piston ( | 09-06-2012 |
20120222644 | Piston for an internal combustion engine and method for its production - A piston for an internal combustion engine has a piston head, a piston skirt, and a circumferential recess configured between the piston head and the piston skirt. The piston has a piston base body and a piston ring element. The piston base body has a crown region of a combustion bowl and the piston skirt. The piston ring element has a piston crown, a wall region of the combustion bowl, a circumferential top land, and a circumferential ring belt with ring grooves. The piston ring element has a circumferential cooling channel between the wall region of the combustion bowl and the ring belt, closed with a closure element. The piston base body and the piston ring element have a circumferential joining seam in the region of the combustion bowl, by way of which seam they are non-releasably connected with one another. | 09-06-2012 |
20120222632 | Piston for an internal combustion engine - The present invention relates to a piston ( | 09-06-2012 |
20120222305 | Method for the production of a piston for an internal combustion engine - What is proposed is a method for the production of a piston ( | 09-06-2012 |
20120222304 | Method for the production of a piston for an internal combustion engine - What is proposed is a method for the production of a piston ( | 09-06-2012 |
20120216534 | METHOD FOR MOUNTING AND SETTING AN ACTUATOR OF AN EXHAUST GAS TURBOCHARGER, AND AN ACTUATOR INTENDED FOR A CHARGING DEVICE - A method for mounting and setting an actuator of an exhaust gas turbocharger and a suitable electric actuating device are provided. The actuating device has an axially movable actuating rod which is connected to a coupling element which for its part is connected via a pivot pin to an actuation section of a bypass valve, the actuation section being configured as a lever arm. In order to set the desired closed position of the bypass valve during a predefined actuation of the actuating device, the coupling element is first connected to the actuating rod while still being displaceable. Before the fixing, the position of the actuating device which corresponds to the closed position is set by application of the corresponding voltage to the electric actuating device. Subsequently, a prestressing force is applied to the coupling element coaxially with respect to the actuating rod via a pneumatic actuator. | 08-30-2012 |
20120192828 | MULTI-PART PISTON FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR THE PRODUCTION THEREOF - The present invention relates to a method for producing a multi-part piston ( | 08-02-2012 |
20120189864 | COATING AND CAST-IN COMPONENT - The present invention relates to a coating composed of a metallic coating material, for a cast-in component composed of a metallic material. It is provided, according to the invention, that the coating consists of galvanically applied nickel. The present invention furthermore relates to a cast-in component composed of a metallic material that is coated on at least part of its surface with a coating composed of a metallic coating material, wherein a coating in the form of a galvanically applied nickel layer is provided. | 07-26-2012 |
20120177309 | BEARING SHELL SEGMENT FOR INTERNAL COMBUSTION ENGINES OF VEHICLES - The present invention refers to a bearing shell segment ( | 07-12-2012 |
20120160204 | Piston for an internal combustion engine - The present invention relates to a piston ( | 06-28-2012 |
20120160203 | Piston for an internal combustion engine - The present invention relates to a piston ( | 06-28-2012 |
20120151766 | MULTI-PART PISTON FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR ITS PRODUCTION - A method for the production of a multi-part piston for an internal combustion engine involves producing an upper piston part having a piston crown as well as an inner and an outer support element, and producing a lower piston part having a skirt and having pin boss supports and pin bosses connected with the pin boss supports, and an inner and an outer support element. A separate cooling oil collector having at least one cooling oil opening is inserted into the upper piston part or the lower piston part. The upper piston part and the lower piston part are connected in such a manner that the inner and outer support elements of the upper and lower piston parts, delimit an outer circumferential cooling channel and a cavity that is open toward the pin bosses and provided with the cooling oil collector. | 06-21-2012 |
20120145112 | Piston for an internal combustion engine and method for its production - The present invention relates to a method for the production of a piston ( | 06-14-2012 |
20120131795 | METHOD FOR THE PRODUCTION OF A MULTI-PART PISTON FOR AN INTERNAL COMBUSTION ENGINE - A multi-part piston for an internal combustion engine has an upper piston part having a piston crown, and a lower piston part. The lower piston part has pin boss supports and pin bosses connected with them and the upper piston part and the lower piston part each have an inner and an outer support element, which elements delimit an outer circumferential cooling channel. The inner support elements delimit a cavity that is open toward the pin bosses. The cavity has a separate cooling oil collector that has at least one cooling oil opening. The piston is produced by manufacturing the upper piston part and lower piston part, inserting the cooling oil collector into the upper piston part or lower piston part, and joining the upper and lower piston parts together by friction welding. | 05-31-2012 |
20120128284 | SLIDE BEARING, A MANUFACTURING PROCESS AND AN INTERNAL COMBUSTION ENGINE - It is described a slide bearing, particularly to constrain at least one shaft of an internal combustion engine, having a support structure or substrate ( | 05-24-2012 |
20120126488 | PISTON RING - There is described a piston ring, particularly devised for use in internal combustion engines or compressors, comprising at least a metallic base ( | 05-24-2012 |