| PIERBURG GMBH Patent applications |
| Patent application number | Title | Published |
|---|
| 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 |
