PIERBURG GMBH Patent applications |
Patent application number | Title | Published |
20160003197 | DRIVE ARRANGEMENT FOR AN ASSEMBLY OF AN INTERNAL COMBUSTION ENGINE, AND EXHAUST-GAS RECIRCULATION VALVE - A drive arrangement for an aggregate of an internal combustion engine includes a drive element, a housing, and an intermediate element. The housing comprises a static receiving part comprising a stop, and a cover fastened on the static receiving part. The cover is configured to bear axially against the stop. The intermediate element is arranged, in a preloaded state, between the drive element and the housing, radially between the cover and the drive element, and, in an elastically deformed state, axially between the drive element and the cover. | 01-07-2016 |
20150330271 | VALVE DEVICE FOR A HYDRAULIC CIRCUIT AND OIL PUMP REGULATING ARRANGEMENT - A valve device for a hydraulic circuit includes an actuator unit and a valve unit. The actuator unit comprises an electromagnetic circuit comprising an armature which moves in a translational manner, a core, a coil carrier, a coil configured to be energized, and a flux guiding device. The coil is arranged on the coil carrier. The valve unit comprises a valve housing comprising a transverse bore which serves as a first control chamber pressure port, a regulating slide mounted in the valve housing, the regulating slide being configured to move axially, a first outlet port, an inlet port, and a second control chamber pressure port arranged between the inlet port and the first outlet port. | 11-19-2015 |
20150139840 | VALVE DEVICE FOR A HYDRAULIC CIRCUIT, AND OIL PUMP CONTROL ASSEMBLY - A valve device for a hydraulic circuit includes an actuator unit and a valve unit. The actuator unit comprises a spring element and an electromagnetic circuit. The electromagnetic circuit comprises an armature, a core comprising a passage hole, a coil, and a flux-guiding device. A stop element comprising a passage opening is arranged in the passage hole so that a gap exists between the core and the armature when actuating the actuator unit. The valve unit comprises a first opening, a second opening, a third opening formed opposite the actuator unit, a first valve seat between the first and second opening, a second valve seat formed between the first and third opening, a first valve closure body connected to the armature and loaded by the spring element, and a second valve closing body loaded by hydraulic pressure and lifted from the second valve seat by the first valve closure body. | 05-21-2015 |
20150122351 | CONTROL VALVE FOR INSTALLING ON AN INTERNAL COMBUSTION ENGINE - A control valve for installation on an internal combustion engine includes a housing comprising an inlet and an outlet. A passage is arranged between the inlet and the outlet and is configured to connect the inlet with the outlet. A control body is configured to control the passage. The control body is fixed to an actuating element. An actuator is configured to move the actuating element. The actuator is fixed to the housing. A heat shield is arranged between the actuator and the internal combustion engine. The heat shield is integrally formed with the housing of the control valve. | 05-07-2015 |
20150101321 | EXHAUST FLAP DEVICE FOR AN INTERNAL COMBUSTION ENGINE - An exhaust flap device for an internal combustion engine includes a flap housing and an actuator. The flap housing comprises an exhaust gas duct arranged in the flap housing. The exhaust gas duct is configured to have an exhaust gas flow there-through. An exhaust flap is arranged in the exhaust gas duct and is mounted in the flap housing. The exhaust flap is configured to rotate. A coolant duct is arranged in the flap housing so as to at least partially surround the exhaust flap. The actuator comprises an electric motor and an actuator housing which comprises an actuator coolant duct. The actuator is configured to drive the exhaust flap. The coolant duct arranged in the flap housing is configured to be in a direct fluid communication with the actuator coolant duct. | 04-16-2015 |
20150020570 | DEVICE FOR DETERMINING A GAS MASS FLOW RATE, AND METHOD FOR RE-CALIBRATING SUCH A DEVICE - A device for determining a gas mass flow rate includes a first sensor unit comprising at least one first temperature measuring element and a first heating element. A second senor unit comprises at least one second temperature measuring element and a second heating element. A control unit is configured to adjust the first heating element to a first controlled excessive temperature. The control unit is connected to the second heating element so that the second heating element is adjustable to a second controlled excessive temperature. | 01-22-2015 |
20140326911 | VALVE DEVICE FOR A HYDRAULIC CIRCUIT, AND OIL-PUMP REGULATING ARRANGEMENT - A valve device for a hydraulic circuit includes an actuator unit, a valve unit and an opening. The actuator unit comprises an electromagnetic circuit comprising a movable armature, a core, a coil configured to be supplied with a current and a flux guiding means, and a space arranged in a valve interior between the armature and the core. The valve unit comprises an outlet, an inlet arranged between the outlet and the space in the valve interior, a valve seat arranged between the inlet and the outlet, and a valve closing body connected with the armature. The valve closing body is spring-loaded towards the valve seat. The opening is arranged at an end of the valve unit opposite to the space. The opening comprises a valve tappet arranged therein. The valve tappet is pressure-loaded and displaceable counter to the valve closing body in an opening direction. | 11-06-2014 |
20140230582 | ACTUATING APPARATUS - An actuating apparatus includes a housing, an actuating unit, a receiver element, and a transmitter element. The actuating unit comprises a first end with a circular arc-shaped contour whose circular arc central axis is configured to act as a first pivot axis. The actuating unit is configured to be moved via an actuator and to undertake a translational main movement and a pivoting movement. The translational main movement is superimposed by the pivoting movement. The receiver element is fixedly arranged in the housing. The transmitter element comprises a magnetic field. The transmitter element is configured to be translationally movable, to be biased so as to bear against the first end of the actuating unit, and to cooperate with the receiver element. | 08-21-2014 |
20140182825 | HEAT TRANSFER DEVICE - A heat transfer device for an internal combustion engine includes an outer housing comprising an inner wall. An inner housing comprises a partition wall which comprises an outer surface. The inner housing separates an inner duct, which has a fluid to be cooled flow therethrough, from an outer coolant duct, which is formed between the inner housing and the outer housing. Fins extend from the partition wall into the inner duct. Recesses are formed on the outer surface. An inner wall is formed on a surface of the outer housing facing the coolant duct. Projections extend from the inner wall. The projections extend towards the recess on the partition wall so that a cross section of the coolant duct is substantially constant. The projections on the inner wall of the outer housing are formed by beads on the outer housing. | 07-03-2014 |
20140170000 | SIDE CHANNEL BLOWER HAVING A PLURALITY OF FEED CHANNELS DISTRIBUTED OVER THE CIRCUMFERENCE - A side channel blower for an internal combustion engine includes a housing comprising an inlet, an outlet, a first housing part, and a second housing part. The inlet and the outlet are fluidically connected via an inlet region, via at least one feed channel which extends at least partially in an annular shape in at least one of the first housing part and the second housing part, and via an outlet region. An impeller is rotatably mounted in the housing and is driven via a drive unit. The impeller comprises conveying blades which interact with a feed channel arranged opposite thereto. At least one interruption region is arranged between the inlet region and the outlet region. The at least one interruption region is configured to interrupt the at least one feed channel in a circumferential direction. The at least one feed channel comprises a circumferential angle of <300°. | 06-19-2014 |
20140166916 | ELECTROMAGNETIC PRESSURE-REGULATING VALVE FOR CONTROLLING PRESSURE-CONTROLLED COMPONENTS IN MOTOR VEHICLES - An electromagnetic pressure-regulating valve includes a housing comprising a first, a second and a third port, a valve seat, a valve closure member, an electromagnetic drive, and a biasing device. The electromagnetic drive comprises a coil wound on a coil carrier, an armature, a core, and an electromagnetic return-path device. The armature moves between a first and second end position and acts on the valve closure member. The biasing device is configured so that, when a current does not flow, the armature, and thereby the valve closure member, is positioned in a fail-safe setting on the valve seat so that a connection from the third port to each of the first and second ports is closed. The valve seat is connected via a fluid channel to the first and second ports. The armature is steplessly adjustable between the first and second end positions in every setting. | 06-19-2014 |
20140124691 | VALVE DEVICE FOR AN INTERNAL COMBUSTION ENGINE - A valve device for an internal combustion engine includes a housing with an inlet and an outlet, a passage opening which fluidically connects the inlet with the outlet, a first valve-closing member which controls the passage opening, an actuator, a valve rod on which the first valve-closing member is arranged, a stop element, a spring surrounding the valve rod, and an element. A first end of the spring is supported against the first valve-closing member, and a second end of the spring is supported against the stop element. The element substantially surrounds the spring. The element comprises a first lateral surface and a second lateral surface in mutual engagement with each other. The first lateral surface abuts against the first valve-closing member and is movable therewith. The second lateral surface abuts against the stop element. The first valve closing member moves relative to the stop element. | 05-08-2014 |
20140117267 | VALVE DEVICE FOR CONTROLLING AN EXHAUST GAS FLOW OF AN INTERNAL COMBUSTION ENGINE - A valve device for controlling an exhaust gas flow of an internal combustion engine includes a housing comprising a channel which has the exhaust gas flow therethrough. A shaft is disposed in the housing. The shaft is rotatably mounted about a shaft axis. A flap is connected to the shaft. The flap controls a flow cross section of the channel. The flap comprises two flexurally rigid support plates. The support plates each comprise an outer periphery. An elastic flap body is arranged between the support plates. The elastic flap body comprises an outer periphery which is larger on all sides than the outer periphery of the support plates. A distance between the outer periphery of the elastic flap body and the outer periphery of the support plates is largest in an area of the shaft axis, and smallest at an angle of 90° relative to the shaft axis. | 05-01-2014 |
20140069397 | MOTOR VEHICLE EXHAUST-GAS RECIRCULATION VALVE ARRANGEMENT - A motor vehicle exhaust gas recirculation valve arrangement for an exhaust gas recirculation system of an internal combustion engine includes an electric drive motor, an intermediate shaft, an eccentric shaft, and a valve drive. The electric drive motor comprises a motor shaft and a motor pinion. The intermediate shaft comprises an intermediate shaft pinion and an output gear. The output gear is configured to mesh with the motor pinion. The eccentric shaft comprises an eccentric and a drive gear. The drive gear is configured to mesh with the intermediate shaft pinion. A valve drive comprises a valve plate, a valve rod, and a link. The link is configured to have the eccentric engage therein. The intermediate shaft is arranged laterally beside the eccentric shaft so that the eccentric and the link lie beside the drive motor. | 03-13-2014 |
20130327972 | ARRANGEMENT OF A VALVE IN A BORE OF A DUCT HOUSING - An arrangement of a valve in a bore of a duct housing includes the duct housing comprising the bore with a stepped design. A valve housing with a stepped outer diameter comprises an inlet and at least one outlet, and is plugged into the bore of the duct housing. A translational valve rod is arranged in the valve housing. At least one valve-closure member is arranged on the translational valve rod. The at least one valve-closure member corresponds with at least one valve seat. A bore diameter of the bore decreases when viewed from a plug-in direction of the valve housing. The stepped outer diameter forms an interference fit with the bore diameter in regions radially surrounding the at least one valve seat. Other regions of the stepped outer diameter have an outer diameter which is smaller than the respective radially surrounding bore diameter. | 12-12-2013 |
20130302545 | WORKPIECE PART AND METHOD FOR CONNECTING WORKPIECE PARTS BY LASER BEAMS - A workpiece part for a housing assembly for connecting two workpiece parts via a joining zone includes a laser beam-absorbing material, and at least one rib element arranged in the joining zone. | 11-14-2013 |
20130284961 | SOLENOID VALVE - A solenoid valve includes a housing within which is arranged a coil wound onto a coil former, an armature, a core, and a multiple-part return path arrangement, which together form an electromagnetic circuit. The armature is configured to be movable and to act at least indirectly on a valve closure element mounted in the coil former via a bearing. The multiple-part return-path arrangement comprises at least one return-path cover section, a return-path side section and a return-path inner section. The return-path inner section is arranged in the coil former | 10-31-2013 |
20130284960 | SOLENOID VALVE - A solenoid valve includes a valve sleeve comprising a valve seat, a valve closure element which acts on the valve seat, and a housing. Arranged in the housing is a coil, an armature, a core, and a multiple-part return-path arrangement, which form an electromagnetic circuit. The core is arranged on a side of the housing opposite to the valve sleeve and is wound onto a coil former. The coil former comprises a first portion with an internal diameter and a receiving bushing for the valve sleeve arranged on a side opposite to the core. A movable armature acts on the valve closure element. The armature is mounted in the coil former via a bearing and comprises parts including a first part directed toward the core having a diameter. The diameter of the first part is larger than the internal diameter of the first portion of the coil former. | 10-31-2013 |
20130264507 | SOLENOID VALVE - A solenoid valve includes a plug connection, at least one valve sleeve comprising at least one valve seat, at least one valve closure element which acts on the at least one valve seat, and a housing. Within the housing are arranged a core, a coil, an armature/plunger arrangement, and a multiple-part return-path arrangement, which together form an electromagnetic circuit. The coil is wound onto a coil former. The armature/plunger arrangement is movable and acts directly or indirectly on the at least one valve closure element. The armature/plunger arrangement is mounted in the coil former via a bearing and comprises at least one armature part and a plunger part. The plunger part is arranged in the valve sleeve and is moveable therein. The armature part is mounted in the coil former via the bearing. The armature part and the plunger part are connected to each other via the plug connection. | 10-10-2013 |
20130209247 | SIDE CHANNEL BLOWER, IN PARTICULAR A SECONDARY AIR BLOWER FOR AN INTERNAL COMBUSTION MACHINE - A side channel blower includes a housing comprising a substantially tangential outlet. A housing cover comprises an axial inlet. At least one conveying duct is configured so that the axial inlet fluidly communicates with the outlet. An impeller is driven by a drive unit. The impeller is rotatably supported in the housing and comprises conveying blades which cooperate with the at least one conveying duct. An interruption region is arranged between the outlet and the axial inlet. The interruption region comprises a radially limiting wall and interrupts the at least one conveying duct in a circumferential direction. A first recess is arranged in the radially limiting wall of the interruption region downstream of the outlet. Further recesses are arranged in the interruption region before the axial inlet and after the outlet. A smallest distance between the further recesses is 0.5 to 3 times a distance between two conveying blades. | 08-15-2013 |
20130167813 | COOLER ARRANGEMENT - A cooler arrangement for connection to an exhaust gas manifold or to an exhaust gas outlet of an engine block of an internal combustion machine includes an exhaust gas cooler comprising at least one exhaust gas duct and a coolant jacket. The exhaust gas cooler is configured to be mounted at the engine block or at the exhaust gas manifold. An exhaust gas recirculation valve is configured to regulate an exhaust gas flow. An actuator is disposed on a side of the exhaust gas recirculation valve opposite the exhaust gas cooler. The actuator is configured to actuate the exhaust gas recirculation valve. A coolant duct segment is arranged between the exhaust gas manifold or the engine block and the actuator. The coolant duct segment is fluidically connected to the coolant jacket. | 07-04-2013 |
20130167791 | EXHAUST GAS RECIRCULATING VALVE FOR AN INTERNAL COMBUSTION ENGINE - An exhaust gas recirculation valve for an internal combustion engine includes a housing comprising an exhaust gas inlet and an exhaust gas outlet, and a valve closing body fastened to a valve rod. The valve rod is movable. A valve seat is arranged between the exhaust gas inlet and the exhaust gas outlet. A guide bushing comprising a first section guides the valve rod in the housing. A sealing ring is arranged at an end of the guide bushing remote from the valve closing body. The valve closing body is lowered onto the valve seat by a movement of the valve rod and lifted from the valve closing body by an opposite movement of the valve rod. A circumferential gap is formed between the valve rod and the guide bushing in the first section of the guide bushing directed toward the sealing ring. | 07-04-2013 |
20130112293 | INFINITELY VARIABLE PRESSURE-CONTROL VALVE - A pressure-control valve includes a housing, a coil carrier, a coil wound on the coil carrier, a first bearing, an armature comprising a valve member. The armature is configured to be axially displaced in the first bearing. A core. A flux guiding device. A connection sleeve comprises a valve seat for the valve member. A first connection bore is configured to be connected with a tank and with the connection sleeve. A second connection bore is configured to be connected with a consumer. An end of the connection sleeve distant from the core comprises a control bore with a control member supported therein. The armature and the control member are configured to be in a force-transmitting operative connection at least in an opening direction of the pressure-control valve | 05-09-2013 |
20130099144 | FLUID PRESSURE REVERSING VALVE - A fluid pressure reversing valve includes a housing, a coil carrier, a coil wound on the coil carrier, a bearing, an armature axially displaceable in the bearing, a core, a flux guiding device, a first connection bore, a control chamber, a first valve seat. A connection sleeve comprises a second connection bore, a first valve seat for a valve element of the armature, and a second valve seat for the valve element of the armature. The connection sleeve communicates with a fluid to be controlled. A third connection bore is connected with the control chamber. A valve element abuts against the first valve seat in a first position so as to form a connection between the first connection bore and the third connection bore, and against the second valve seat in a second position so as to form a connection between the third connection bore and the second connection bore. | 04-25-2013 |
20130098340 | DIVERT AIR VALVE FOR AN INTERNAL COMBUSTION ENGINE - A divert air valve for an internal combustion engine arranged in a bypass channel between a pressure side and a suction side of a supercharging device includes a housing. A bypass valve comprises a first valve closure body. A control pressure chamber is connected with the pressure side through a compensation opening. A solenoid valve comprises a coil body, a magnetic yoke arrangement, an armature, and a second valve closure body which comprises a second spring element and cooperates with the armature. When the solenoid valve is energized and the bypass valve open, a fluidic communication can be established between the pressure side and the suction side or the atmosphere through the control pressure chamber. An overall cross section of the at least one control opening is larger than a cross section of the compensation opening. A closing of the fluidic communication causes a resultant force in a closing direction. | 04-25-2013 |
20130092134 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINES - A control device for an internal combustion engine. The control device is arranged in a bypass duct between a pressure side and an intake side of a supercharging device. The control device includes a bypass valve comprising a valve-closure body which is configured to be pneumatically actuatable, and a control pressure space. A solenoid valve is configured so that a fluidic connection can be established and closed via the control pressure space between either the pressure side and the intake side or between the pressure side and the atmosphere: When the bypass valve is in a completely open position, the fluidic connection exists at least temporarily via the control pressure space between either the pressure side and the intake side or between the pressure side and the atmosphere. A closure of the fluidic connection brings about a resulting force in a closing direction on the valve-closure body. | 04-18-2013 |
20130076468 | LOCATION OF AN NTC RESISTOR IN AN ELECTROMAGNET - An arrangement of a NTC resistor in an electromagnet includes an electromagnetic coil comprising a main winding and a shunt winding, a coil carrier configured to have the electromagnetic coil be wound thereon, a first contact terminal and a second contact terminal configured to supply a voltage, a NTC resistor, a first contact lead comprising a first contact lead end, a second contact lead comprising a second contact lead end, and a third contact lead. The first contact lead, the second contact lead and the third contact lead are configured to interconnect the first contact terminal, the second contact terminal, the main winding, the shunt winding, and the NTC resistor. A fixing element is configured to be elastically deformable and to exert a spring force so as to fix the NTC resistor between the first contact lead end and the second contact lead end. | 03-28-2013 |
20130025577 | EXHAUST-GAS COOLING MODULE FOR AN INTERNAL COMBUSTION ENGINE - An exhaust gas cooling module for an internal combustion engine includes an exhaust gas recirculation valve comprising an exhaust gas recirculation valve housing having an inlet, an exhaust gas heat exchanger, an exhaust gas non-return valve comprising an exhaust gas non-return valve housing, and two exhaust gas channels. The two exhaust gas channels are arranged in the exhaust gas cooling module so as to separately extend from the inlet of the exhaust gas recirculation valve housing to the exhaust gas non-return valve housing via the exhaust gas heat exchanger. | 01-31-2013 |
20130001882 | SEALING ARRANGEMENT FOR A CONTROL DEVICE OF AN INTERNAL COMBUSTION ENGINE - A sealing arrangement for a control device of an internal combustion engine includes a housing. A channel is formed in the housing. The channel has a gas flow therethrough. A control member controls a flow of the gas in the channel. The control member is arranged on a shaft. A bearing supports the shaft in a bearing bore of the housing. A vent bore extends in the housing from an inner wall of the channel on an inlet side of the control member to a rear side, facing outward from the channel, of the bearing arranged in the housing, and into the bearing bore. A first groove is formed in the shaft behind the bearing. The first groove is configured so as to be circumferential when seen from the channel. The first groove is surrounded radially by a sealing device which is configured to cooperate with the first groove. | 01-03-2013 |
20120326067 | ELECTROMAGNET VALVE - An electromagnetic valve with an electromagnetic circuit includes a coil wound onto a coil former, a core, a magnetic return device, a valve closure element, a guide pin, and an armature which is substantially hollow. The armature is mounted so as to be movable with an inwardly directed face on the guide pin. The armature acts at least indirectly on the valve closure element. The guide pin comprises a surface. The surface is arranged to point radially outwards so as to form a first part directed towards the core and a second part directed towards the armature. The first part is configured to be magnetized. The second part is configured not to be magnetized. A control edge is formed between the first part and the second part. | 12-27-2012 |
20120318217 | VALVE DEVICE FOR INTERNAL COMBUSTION ENGINES - A valve device for an internal combustion engine includes a drive unit. A drive housing in which the drive unit is arranged. A valve unit is configured to be moved by the drive unit. The valve unit comprises a valve rod and a valve closure member. A flow housing comprises a fluid inlet channel and a fluid outlet channel. A connection cross section of the fluid inlet channel and the fluid outlet channel is configured to be controlled by the valve closure member. A pressure detection chamber is fluidically connected with the fluid inlet channel. A pressure sensor is arranged in the pressure detection chamber and is integrated in the drive housing. The pressure sensor comprises a pressure detection surface arranged in a plane. A normal of the pressure detection surface is arranged so as to be perpendicular to a direction of a fluid flow into the pressure detection chamber. | 12-20-2012 |
20120285411 | VALVE DEVICE FOR AN INTERNAL COMBUSTION ENGINE - A valve device for an internal combustion engine includes a multi-part housing. A drive unit generates a rotational moment. The drive unit is arranged in a motor chamber. A transmission unit is arranged in a transmission chamber. An eccentric is configured to be driven by the transmission unit. A valve rod is configured to be displaceable in translation. The valve rod extends into a valve rod displacement chamber. A coupling element converts a displacement of the eccentric into a translational displacement of the valve rod. A valve seat is arranged between an inlet and an outlet. A valve closing body is attached to the valve rod. The valve closing body is configured to be lowered onto the valve seat and lifted off the valve seat. A cover is disposed between the eccentric and the coupling element. The cover is configured to separate the transmission chamber from the valve rod displacement chamber. | 11-15-2012 |
20120242437 | ELECTROMAGNET DRIVE FOR A VALVE - An electromagnet drive for a valve includes a piston element. A housing comprises an electromagnetic circuit, a coil wound onto a coil former, an armature mounted to move between a first and second end position to act on the piston element, a core, and a magnetisable return device. The core and/or the magnetisable return device comprises an adjusting bore. The core or the magnetisable return device comprises a substantially circumferential cutout in a region of the adjusting bore on a side facing the coil. A fixing device fixes the armature in a non-energized state. An adjusting device adjusts a magnetic force. The adjusting device comprises an adjusting screw which influences a profile of magnetic field lines. The adjusting screw is insertable into the adjusting bore of the core or the magnetisable return device in a direction of the armature. Energizing the coil moves the armature into the first or second end position. | 09-27-2012 |
20120222507 | POSITIONING DEVICE FOR CONVERTING A ROTARY MOTION INTO A LINEAR MOTION - A positioning device for converting a rotary motion into a linear motion includes a drive unit configured to generate a torque, a drive shaft on which an eccentric is arranged, a coupling element comprising a slot, an output shaft arranged at the eccentric. The output shaft is configured to move in the slot of the coupling element. An adjusting element is connected with the coupling element. The adjusting element is supported so as to be linearly movable with the coupling element. The slot comprises a guide path configured to cooperate with the eccentric which comprises an angle with a plane perpendicular to a direction of movement of the adjusting element. | 09-06-2012 |
20120104298 | ELECTROMAGNETIC DRIVE FOR A VALVE - An electromagnetic drive for a valve includes a housing comprising at least one electromagnetic circuit comprising a coil wound onto a coil support, a valve closing member, at least one core, at least one magnetizable reflux member, an armature having an annular shape at least on a side facing away from the valve closing member, an adjustment device having an adjustment screw, and a device to fix the armature in a non-energized state. The armature moves between a first end position and a second end position so as to act at least indirectly on the valve closing member. The adjustment device adjusts a magnetic force. The adjustment screw is insertable through the at least the magnetizable reflux member or through the core into the armature. Supplying the coil with an electric current causes the armature to move into the first end position or into the second end position. | 05-03-2012 |
20120103441 | PRESSURE CONTROL VALVE - A pressure control valve includes a housing comprising a reference pressure connection, a reference pressure chamber, a preliminary pressure connection, a preliminary pressure chamber, a control pressure connection and a control pressure chamber which are configured to cooperate with a control member moveable in an axial direction within the housing so as to adjust a desired control pressure between a preliminary pressure at the preliminary pressure connection and a reference pressure at the reference pressure connection. A driving device is configured to act on the control member. At least one first sealing device is configured to seal the reference pressure chamber against the control member. At least one second sealing device comprising a second sealing element is configured to seal the preliminary pressure chamber against the reference pressure chamber. At least one third sealing device is configured to seal the control pressure chamber against the preliminary pressure chamber. | 05-03-2012 |
20120097876 | ELECTROMAGNETIC VALVE HAVING AN ADJUSTABLE MAGNETIC FLUX - An electromagnetic drive for a valve includes a housing and at least one electromagnetic circuit comprising a coil wound onto a coil carrier, a valve closing member, an armature movably supported between a first and a second end position which acts on the valve closing member. A device fixes the armature in a currentless state. A core is disposed at an end of the electromagnetic drive directed toward the valve closing member. A magnetizable reflux device has an adjusting bore and a circumferential recess in an area of the adjusting bore on a side facing the coil. An adjustment device has an adjusting screw and adjusts a magnetic force. The adjusting screw influences a course of magnetic field lines and is insertable into the adjusting bore in a direction of the armature. Supplying the coil with a current moves the armature into the first or the second end position. | 04-26-2012 |
20120055156 | EXHAUST GAS RECIRCULATION SYSTEM FOR A COMBUSTION ENGINE - An exhaust gas recirculation system for an internal combustion engine includes an exhaust gas duct, a suction duct, and an exhaust gas recirculation duct which branches off from the exhaust gas duct and which flows into the suction duct. An exhaust gas mass flow sensor is arranged downstream of a flow stabilization element in the exhaust gas recirculation duct. | 03-08-2012 |
20110290446 | HEAT TRANSFER UNIT FOR AN INTERNAL COMBUSTION ENGINE - A heat transfer unit for an internal combustion engine includes a first channel with an inlet and an outlet. The first channel is configured to have a fluid to be cooled flow therethrough. The second channel is configured to have a cooling fluid flow therethrough. A partition wall(s) is disposed to separate the first channel from the second channel. Ribs extend from partition wall(s) into the second channel and are disposed in a principal flow direction of the fluid to be cooled. The second channel comprises a first section and a second section in the principal flow direction. The ribs of the first section have a first cross section in a first flow-off portion that is constant in the principal flow direction. The ribs of the second section have a second cross section in a second flow-off portion that widens in the principal flow direction. | 12-01-2011 |
20110226975 | PRESSURE CONTROL VALVE - A pressure control valve includes a housing with a lower part and an upper part. The housing includes a coil wound on a coil carrier, an armature configured to be axially displaceable within a bearing, a core, a flux guiding device, a connection bore, and a connector comprising a valve seat for the armature. The connector and the connection bore are disposed in the lower part of the housing. The upper part of the housing is arranged in a force-locked or a form-fitting manner. A bearing bushing for the armature is provided in a portion of the connector directed towards the core. A stop bushing for the armature is provided in an opposite portion of the connector. | 09-22-2011 |
20110164995 | FLUID PUMP - There is proposed an embodiment of an electric fluid pump of a semi-axial design wherein support ribs ( | 07-07-2011 |
20110050012 | ELECTRICAL INTERNAL COMBUSTION ENGINE ACTUATING ARRANGEMENT - An electrical internal combustion engine actuating arrangement includes a housing cover with a position sensor and a housing body having disposed therein an electric drive motor and an output shaft having a position transducer. The housing cover and the electric drive motor are connected via at least one electrical plug connection arrangement including a plug blade and an opposite plug clamp having a plug-in slot. The housing body and the housing cover include a positioning arrangement having a positioning pin and a positioning bore configured to receive the positioning pin. The at least one electrical plug connection arrangement includes, on a side of the plug clamp, a plug blade guide with a guide slot arranged in parallel with the plug-in slot and a plug-in axis of the positioning arrangement. | 03-03-2011 |
20110037006 | SOLENOID VALVE - A solenoid valve with an electromagnetic circuit includes a return plate, a yoke, a coil wound onto a coil carrier. The coil carrier includes an internal thread and comprises a dimensionally and temperature-stable material. A core includes an outer thread. The core is disposed in the coil carrier via a direct interlocking connection. The outer thread of the core is disposed within the internal thread of the coil carrier and is configured to provide adjustment for the core. An armature is configured to be movable and to act at least indirectly on a valve-closing element. The armature is supported in the coil carrier by a supporting device. | 02-17-2011 |
20110024656 | ELECTRICAL SWITCHING VALVE - An electric switching valve for controlling a pneumatic actuator element includes a housing with a ventilation connection channel, a vacuum connection channel and a consumer connection channel. The vacuum connection channel comprises a first valve seat and the ventilation connection channel comprises a second valve seat. An electromagnetic drive is arranged in the housing. The electromagnetic drive is configured so that a magnetic armature is translationally movable in a passage channel to form a valve closure body for each of the vacuum connection channel and the ventilation connection channel. A cross-sectional constriction device is disposed in the ventilation connection channel. | 02-03-2011 |
20100326397 | ELECTRICAL ADJUSTING ARRANGEMENT FOR AN INTERNAL COMBUSTION ENGINE - An electrical adjusting arrangement for an internal combustion engine includes an electric drive motor disposed in a housing body. The electric drive motor includes a motor housing with a drive side closed by a plastic front plate. A mounting flange is disposed on a drive side of the electric drive motor, the mounting flange being integral with the motor housing. The plastic front plate extends at least partially radially beyond the motor housing and is configured to seat via a clamping fit in a corresponding recess of the housing body so as to radially fix the electric drive motor. | 12-30-2010 |
20100207473 | COUPLING DEVICE FOR THE TRANSMISSION OF TORQUE, AND METHOD FOR THE TRANSMISSION OF TORQUE USING SUCH A COUPLING DEVICE - A coupling device for the transmission of torque. The coupling device includes a drivable rotor part, an output shaft rotatably connected with an armature part, a hysteresis part disposed on the armature part, permanent magnets configured to generate a magnetic field through which magnetic field a torque can be transmitted from the rotor part to the armature part, a stator part in which an electromagnet is disposed, the electromagnet being configured to induce a magnetic flux in the rotor part so as to adjust a torque from the rotor part to the armature part, and a synchronous coupling disposed between the stator part and the armature part. | 08-19-2010 |
20100192671 | METHOD FOR OPERATING AN EXHAUST GAS MASS FLOW SENSOR - A method for operating an exhaust gas mass flow sensor which is used, in particular, in exhaust gas mass flows of motor vehicles has an operating mode and a cleaning mode. In an operating mode, the exhaust gas mass flow sensor is operated at an operating temperature. In a cleaning mode, the exhaust gas mass flow sensor is changed over for the purpose of cleaning a measurement region and is cleaned at a cleaning temperature which is higher than the operating temperature. | 08-05-2010 |
20100174441 | METHOD FOR FEEDBACK OF STATES OF AN ELECTRIC COMPONENT TO AN ENGINE CONTROL DEVICE OF AN INTERNAL COMBUSTION ENGINE - The present invention relates to a method for feedback of states of an electric component to an engine control device of an internal combustion engine using a control unit for the electric component including a detection device configured to detect faults. The method includes configuring the control unit, connecting the control unit to the engine control device via a signal line, receiving a PWM signal generated in the engine control device, tying the signal line to ground for a feedback of data of the electric component to the engine control device; and identifying a fault based on a duration of the connection to ground. | 07-08-2010 |
20100155638 | ELECTROMAGNETIC VALVE, AS WELL AS A METHOD FOR PRODUCING AN ELECTROMAGNETIC VALVE - An electromagnetic valve includes a housing, a coil wound on a coil support, a back iron, a yoke, a mobile armature, and a core. The core is disposed together with the armature radially inside the coil support. The armature is configured to connect, at least indirectly, with a closing member that controls a movement of a valve seat moveable between inlet channel and an outlet channel. A bearing bushing formed of injection molded plastic material is disposed radially inside the coil support and axially against the yoke, wherein the armature and the core are disposed radially inside the bearing bushing. | 06-24-2010 |
20100144452 | COUPLING DEVICE - A coupling device for transmitting a torque from a first shaft to a second shaft. The coupling device includes the first shaft with a first end section having radially opposite, radially extending projections and/or recesses. The second shaft has a second end section with radially opposite, radially extending projections and/or recesses. The first shaft is axially opposite the second shaft. The coupling device includes a coupling member having coupling projections and/or recesses, wherein the projections and/or recesses of the first and second end sections are respectively configured to engage with at least one of the coupling projections and/or recesses. The coupling projections and/or recesses corresponding to the first end section are arranged at a displacement of about 90° relative to the coupling projections and/or recesses corresponding to the second end section and the coupling member at least partially surrounds the first and second end sections. The first and second sections are disposed axially directly opposite to each other, and the coupling member is positionally fixed by the first and second end sections. | 06-10-2010 |
20100051842 | ELECTROPNEUMATIC PRESSURE TRANSDUCER - An electropneumatic pressure transducer. The electropneumatic pressure transducer includes a double-seated valve with a first valve seat disposed between a control pressure chamber and an underpressure connector, and a second valve seat disposed between an atmospheric-pressure connector and the control pressure chamber, and a movable plunger-type armature; a valve closure member; a membrane coupled to the plunger-type armature; and an electromagnetic circuit generating an electromagnetic force acting on the plunger-type armature. The control pressure chamber is selectively connected to one of the atmospheric-pressure connector and the underpressure connector to generate a mixed pressure in the control pressure chamber dependent on a position of the plunger-type armature. The position of the plunger-type armature is dependant on the electromagnetic force and on a pneumatic force acting on the membrane. In a rest state without current flow through the electromagnetic circuit, the valve closure member is seated on the first valve seat and is disposed at a distance from the second valve seat. | 03-04-2010 |
20100003554 | ANODE GAS CIRCUIT OF A FUEL CELL SYSTEM AND METHOD FOR ACTIVATING AND DEACTIVATING SUCH AN ANODE GAS CIRCUIT OF A FUEL CELL SYSTEM - An anode gas circuit of a fuel cell system. The anode gas circuit includes a return line leading from an anode gas outlet of a fuel cell stack to an anode gas inlet of the fuel cell stack, a recirculation blower disposed in the return line, a first valve disposed in the return line upstream of the recirculation blower, and a second valve disposed in the return line downstream of the recirculation blower. The first valve and the second valve are configured to close a cross section of the return line. | 01-07-2010 |
20090301412 | VARIABLE COOLANT PUMP FOR THE COOLING CIRCUIT OF AN INTERNAL COMBUSTION ENGINE - A variable coolant pump for a cooling circuit of an internal combustion engine. The variable coolant pump includes a pump head having an inlet, an annular channel and an outlet; a pump housing rotatably supporting a pump shaft having an axial end; a pump blade wheel mounted on the axial end of the pump shaft and disposed in the pump head; and a plurality of adjustable guide blades arranged concentrically about the pump blade wheel between the annular channel and the pump blade wheel. Each adjustable guide blade has two longitudinal sides and outer edge and includes a first pivot, a second pivot and a third pivot. The first and second pivots extend at right angles to a respective one of the two longitudinal sides in a vicinity of the outer edge. The first and second pivots define an axis of rotation and rotatably support the respective guideblade in the pump head about the axis of rotation. The third pivot is disposed in parallel with the first and second pivots in an area in the adjustable guide blade remote from the axis of rotation and protrude into an oblong recess in an adjustment ring rotatably arranged in the pump head. The oblong recess has a radial and a tangential component. | 12-10-2009 |
20090301081 | AMBIENT-AIR PULSED VALVE FOR INTERNAL COMBUSTION ENGINES EQUIPPED WITH A TURBOCHARGER - The invention relates to an air control valve for internal combustion engines comprising a turbocharger, the air control valve being placed inside a bypass channel between a pressure side and an intake side of a boost pressure pump of the turbocharger, a housing which comprises an electromagnetic drive unit and a valve unit movable in said housing, said valve unit essentially comprising a valve rod and a valve closing body attached thereto and having a circular sealing element, wherein means are provided that keep the moving valve unit in a closed position when no current is supplied to said valve unit, wherein at least one pressure compensation opening is provided at the moving valve unit, wherein the valve closing body has a cylindrical lateral surface which cooperates with means in such a manner that a housing interior is sealed towards the pressure side or the intake side. | 12-10-2009 |
20090270214 | DEVICE FOR PHASE-SHIFTING THE ROTATIONAL ANGLE OF A DRIVE WHEEL RELATIVE TO AN OUTPUT SHAFT - A device for phase-shifting a rotational angle of a drive wheel relative to an output shaft. The device includes a planetary gear including a sun wheel, a hollow wheel and at least one planet wheel, wherein the sun wheel and the hollow wheel mesh with the at least one planet wheel. A planet wheel carrier having the at least one planet wheel is arranged thereon and is fixedly connected to the output shaft so as to commonly rotate with the output shaft. A drive wheel is connected to the planetary gear and is at least indirectly connected to the sun wheel. An actuator engages the planetary gear so that the hollow wheel is rotatable relative to the sun wheel. The actuator is disposed tangentially to the planetary gear and includes a worm engaging an outer toothing of the hollow wheel, with the sun wheel being at least indirectly connected to the drive wheel. | 10-29-2009 |
20090257924 | Device for the reduction of nitrogen oxides in the exhaust gas of internal combustion engines - A device for the reduction of nitrogen oxides in the exhaust gas of internal combustion engines has a thermolysis reactor ( | 10-15-2009 |
20090255251 | EXHAUST GAS RECIRCULATION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - An exhaust gas recirculation system for an internal combustion engine. The system includes an exhaust gas recirculation valve disposed in an exhaust gas recirculation channel. A first exhaust gas cooler is disposed in the exhaust gas recirculation channel. A turbine is disposed in the exhaust gas recirculation channel downstream of the first exhaust gas cooler relative to a flow direction of an exhaust gas. A control valve is disposed in at least one of a region of an exhaust gas manifold and an exhaust gas channel. | 10-15-2009 |
20090183861 | HEAT TRANSMISSION UNIT - Previous heat transmission units have only low cooling efficiencies in case of small fluid mass flows. According to the invention, it is proposed to configure a heat transmission unit ( | 07-23-2009 |
20090155100 | FLUID PUMP - The invention relates to an electric fluid pump with a semi-axial construction, in which a motor housing part ( | 06-18-2009 |
20090116981 | FLUID PUMP - The invention relates to an electric fluid pump with a semi-axial construction, wherein the pump housing ( | 05-07-2009 |
20090056321 | Heat transmission unit for an internal combustion engine - Heat transmission unit are known wherein ribs ( | 03-05-2009 |
20090050302 | COOLING DEVICE FOR AN INTERNAL COMBUSTION ENGINE - A cooling device is proposed that can be produced by the diecasting process, and which has a heat-transfer unit surrounded by an outer shell, wherein a jacket through which coolant flows is formed between the heat-transfer unit and the outer shell, said jacket is subdivided by webs in such a way that a passage through which coolant flows is formed between the outer shell and the outer casing of the heat-transfer unit. To this end, the webs are arranged in such a way that this circulating flow is effected in a meander shape. Compared with a spiral flow, this results in degrees of freedom with regard to the arrangement of the coolant inlets and coolant outlets. Furthermore, such cooling devices can be produced and assembled in a cost-effective manner and have a high efficiency. | 02-26-2009 |
20090044525 | EXHAUST-GAS COOLING DEVICE FOR AN INTERNAL COMBUSTION ENGINE - An exhaust-gas cooling device ( | 02-19-2009 |
20090020724 | COMBINED CHECK AND CONTROL VALVE - To overcome problems concerning the sticking of the check plate in a combined check and control valve, a stop is provided on the valve rod or a guide element in the vicinity of the valve rod, whose distance to the limiting element is smaller than the maximum stroke and larger than the nominal stroke of the limiting element. | 01-22-2009 |
20090020105 | EXHAUST-GAS RECIRCULATION DEVICE FOR AN INTERNAL COMBUSTION ENGINE - Proposed is an exhaust-gas recirculation device comprising a distributor element ( | 01-22-2009 |
20080276896 | Air Control Valve Apparatus For An Internal Combustion Engine - Air control valve apparatus ( | 11-13-2008 |