Patent application number | Description | Published |
20110142258 | Apparatus for Processing an Audio Signal - An apparatus for processing an audio signal to focus an acoustic signal by an arrangement of a plurality of loudspeakers comprises a frequency analyzer, a signal processor and a signal output interface. The acoustic signal is based on the audio signal. The frequency analyzer is configured to determine a fundamental frequency in a frequency spectrum of the audio signal depending on a geometry parameter of the arrangement of the plurality of loudspeakers. The signal processor is configured to adapt an overtone of the fundamental frequency to obtain the processed audio signal and the signal output interface is configured to output the processed audio signal to the plurality of loudspeakers. | 06-16-2011 |
20110188661 | Flat Panel Loudspeakers - A flat panel loudspeaker with such an emission characteristic is obtained which, in the event of the flat panel loudspeaker being set up inversely, provides an improved listening result in that a loudspeaker is provided within the housing, and a sound conduction is configured such that sound from the loudspeaker is conducted outward via an acoustic aperture within the housing for undirected emission. | 08-04-2011 |
20120008812 | LOUDSPEAKER - A loudspeaker includes a two-dimensional array of non-housed individual speakers having flat shapes. The non-housed individual speakers are accommodated within a flat housing, the depth of the housing being smaller than 5 cm, for example. Non-housed individual speakers used are advantageously headphone capsules and/or miniature loudspeakers having diaphragm diameters of less than 5 cm. | 01-12-2012 |
20150146910 | ELECTROACOUSTIC DRIVER - An electroacoustic driver includes a diaphragm, a diaphragm drive system and a diaphragm suspension. The diaphragm system is configured to subject the diaphragm to a motion, wherein the diaphragm suspension is configured to guide the diaphragm. The diaphragm drive system includes an active element configured to actively influence the motion of the diaphragm. | 05-28-2015 |
20150271594 | LOUDSPEAKER WITH PRESSURE COMPENSATION ELEMENT - A loudspeaker includes a sound transducer, a housing and a unit configured to influence the temperature, such as a pressure compensation element. The sound transducer includes a membrane, the membrane enclosing a gas volume along with the housing. The sound transducer is configured to cause the membrane to vibrate, so that the gas volume is changed in accordance with the vibration. The unit configured to influence the temperature is configured to counteract a change of state, which is due to the membrane vibration, by means of a change in temperature of the gas volume. | 09-24-2015 |
20160094915 | Array of Electroacoustic Actuators and Method of Manufacturing an Array - An array of electroacoustic actuators includes at least five electroacoustic actuators, wherein the electroacoustic actuators are connected such that, in a first parallel branch, at least two electroacoustic actuators are connected in series and, in a second parallel branch, an electroacoustic actuator is connected in series to a parallel connection of two electroacoustic actuators, the first parallel branch being connected in parallel to the second parallel branch, and the parallel branches connected in parallel being configured to be driven by an actuator amplifier, or wherein the electroacoustic actuators are connected such that, in a first serial branch, at least two electroacoustic actuators are connected in parallel and, in a second serial branch, an electroacoustic actuator is connected in parallel to a serial connection of two electroacoustic actuators, the first serial branch being connected in series to the second serial branch, and the parallel branches connected in series being configured to be driven by an actuator amplifier. | 03-31-2016 |
Patent application number | Description | Published |
20130280201 | FULLY ACYLATED AMINO-FUNCTIONAL ORGANOPOLYSILOXANES - Fully acylated hydroxyl-terminated organopolysiloxanes bearing pendant aminoalkyl groups are easily prepared by reacting a hydroxyl-terminated, aminoalkyl organopolysiloxane with a carboxylic anhydride in stoichiometric amount relative to amino groups, in the presence of at least one emulsifier. | 10-24-2013 |
20130309283 | SILICONE EMULSIONS AND METHOD FOR PRODUCING SAME - Aqueous emulsions of high viscosity organopolysiloxanes can be prepared having a very low content of cyclic siloxanes by condensing low molecular weight alkoxy-functional organopolysiloxanes in aqueous emulsion with an alkylphosphate emulsifier and at least one selected polyoxyethylene non-ionic surfactant. | 11-21-2013 |
20140161756 | COSMETIC COMPOSITIONS - The invention relates to a novel cosmetic composition, containing, in a cosmetically acceptable medium, at least one hair conditioning agent and at least one aqueous dispersion of pre-cross-linked organopolysiloxanes composed of units of general formula (I), wherein R means a monovalent, saturated or unsaturated hydrocarbon group having 1 to 200 carbon atoms per group, which hydrocarbon group can contain one or more heteroatoms from the group N, P, S, O, and halogen, R | 06-12-2014 |
Patent application number | Description | Published |
20110015032 | METHOD AND CONTROL DEVICE FOR OPERATING A HYBRID DRIVE - In a control unit and a method for operating a hybrid drive arrangement ( | 01-20-2011 |
20110273812 | CONTROLLING CURRENT FLOW BY A COIL DRIVE OF A VALVE USING A CURRENT INTEGRAL - A device (100) and to a method allow for a direct injection valve having a coil drive (110) to reduce in particular the pulse to pulse variation of the volume of fuel injected by the direct injection valve by a control also based on a current integral of the coil drive (110), in particular during a boost phase of a current activation profile of the coil drive (110). The method can be carried out by a computer program. | 11-10-2011 |
20120097133 | METHOD AND DEVICE OF OPERATING AN INTERNAL COMBUSTION ENGINE - An internal combustion engine has at least one injection valve for delivering fluid, which has an electromagnetic actuator. A final stage unit is designed for creating a current profile for triggering the electromagnetic actuator with at least one given profile parameter (PP). Upon achieving magnetic saturation of a magnetic circuit of the electromagnetic actuator an assigned saturation current (I_sat_mes) is determined and at least one profile parameter (PP) is adjusted depending on the saturation current (I_sat_mes) thus determined and a given reference saturation current. | 04-26-2012 |
20120109500 | METHOD AND DEVICE FOR OPERATING AN INTERNAL COMBUSTION ENGINE - In a method for operating an internal combustion engine having an intake tract and one injection valve per cylinder, a lambda controller having an associated lambda sensor for correcting an air-fuel ratio in the combustion chamber, an engine operating temperature is detected and a air mass target value in the combustion chamber is determined as a function of an engine operating state. When the lambda controller is deactivated, a first adaptation value is determined as a function of the captured operating temperature, of the determined air mass target value, and a prescribed first weighting value. A second adaptation value is further determined as a function of the determined air mass target value and a prescribed second weighting value. The metering of the fuel mass and/or a model of the air mass fed into the combustion chamber is corrected as a function of the first and second adaptation value. | 05-03-2012 |
20120116702 | DETERMINING THE CLOSING TIME OF A FUEL INJECTION VALVE BASED ON EVALUATING THE ACTUATION VOLTAGE - A method for determining a closing time of a valve having a coil drive, in particular a direct injection valve for an engine of a motor vehicle, has the steps: (a) switching off a current flow through a coil (L_inj) of the coil drive, so that the coil (L_inj) is depowered, (b) capturing a time curve ( | 05-10-2012 |
20120185147 | METHOD AND DEVICE FOR DETERMINING A FUEL PRESSURE PRESENT AT A DIRECT INJECTION VALVE - A method for determining a fuel pressure present at a direct injection valve comprising a solenoid drive comprises (a) detecting a voltage induced in the solenoid drive within a time span comprising a closing point in time of the direct injection valve, and (b) determining the fuel pressure based on the detected induced voltage. Further, a corresponding device, a common rail system, a motor vehicle, and a computer program for determining the fuel pressure of a valve comprising a solenoid drive are provided. | 07-19-2012 |
20130104636 | ELECTRIC ACTUATION OF A VALVE BASED ON KNOWLEDGE OF THE CLOSING TIME OF THE VALVE | 05-02-2013 |
20150226148 | Electric Actuation of a Valve Based on Knowledge of the Closing Point and Opening Point of the Valve - A method for determining an effective injection time of a valve having a coil drive includes determining an opening time of the valve, determining a closing time of the valve, and determining the effective injection time of the electric actuation of the valve for an injection operation based on the defined opening time and the defined closing time. | 08-13-2015 |
Patent application number | Description | Published |
20090070067 | Method and device for recording a distance - A pedometer and a method for recording a distance covered. The pedometer includes an acceleration sensor by which the movement of the pedometer is recorded. In order to be able to ascertain the number of paces and the distance covered from the movement, an evaluation unit is provided which evaluates the signals of the acceleration sensor. If the carrier of such a pedometer is moving not only in one plane, but also uphill and downhill, inaccuracies occur in the ascertainment of the route which cannot be rectified only by an acceleration sensor. For this purpose, a pressure sensor is integrated into the pedometer, by which the evaluation unit is also able to take into account the influence of the change in altitude during the movement, whereby the route covered is able to be ascertained more accurately. | 03-12-2009 |
20090146858 | Method for operating a sensor system and sensor system - A method is provided for operating a sensor system having a sensor, an analog-to-digital converter and a digital signal-processing device, an analog signal from the sensor being transmitted to the analog-to-digital converter, the analog signal being converted to a digital signal by the analog-to-digital converter with a sampling frequency, the digital signal being transmitted to the digital signal-processing device, and the analog signal further being transmitted to a clock generator, the sampling frequency of the analog-to-digital converter being controlled by the clock generator as a function of the analog signal. | 06-11-2009 |
20100011835 | ERROR-CORRECTION METHOD AND ERROR-CORRECTION DEVICE FOR AN ACCELERATION SENSOR - An error-correction method for an acceleration sensor having a plurality of electrodes and a seismic mass. The error-correction method which makes it possible to correct systematic errors at low expense includes the following steps: applying a voltage in order to deflect the seismic mass; measuring a first current caused by the deflection of the seismic mass; measuring a second current caused by the deflection of the seismic mass; and determining a correction variable on the basis of the first current and the second current. | 01-21-2010 |
20100070080 | DEVICE FOR FALL PROTECTION OF YAW RATE SENSORS - A device includes a yaw rate sensor and at least one acceleration sensor. The device has a control device with the aid of which the yaw rate sensor is controllable as a function of an acceleration measured by the acceleration sensor. | 03-18-2010 |
Patent application number | Description | Published |
20090230049 | OIL FILTER DEVICE - The present invention provides a suction oil filter device for an engine or a transmission that has an oil inlet and an oil outlet on the filter housing, a suction oil pump connectable to the oil outlet, using which a partial vacuum may be generated between oil inlet and oil outlet, a fine filter medium and an ultrafine filter medium, which are situated between the oil inlet and the oil outlet. The fine filter medium is attached to the oil inlet or to the oil outlet, and the ultrafine filter medium is situated before the fine filter medium in the flow direction and in a secondary flow area of the filter housing. A high filtration performance may thus be achieved at low production outlay. | 09-17-2009 |
20090301954 | Oil Sump Having Oil Filter - An oil sump, preferably made of plastic or metal, for motors or transmissions and having a filter housing, comprises a filter housing top shell, a filter housing bottom shell, a filter medium, a filter inlet, and a filter outlet, and an oil drain opening in the floor area of the oil sump, which is implemented in such a way that it is closable using an oil drain screw having external thread, which comes from the oil sump bottom side. The filter housing comprises an internal thread which is implemented to receive the external thread of the oil drain screw, the filter housing being at least partially fastened on the oil sump via the oil drain screw, which closes the oil drain opening and engages using its external thread in the internal thread on the filter housing side. | 12-10-2009 |
20100038296 | Oil Sump Having Oil Filter on Carrier Unit - An oil sump, preferably made of plastic or metal, is provided for engines or transmissions, the oil sump comprising a filter housing including a filter housing top shell, a filter housing bottom shell, a filter medium, a filter inlet, and the filter outlet, and having an oil drain opening in a floor area of the oil sump, implemented in such a way that it is closable using an oil drain screw having external thread, which comes from the oil sump outer side. The oil sump also includes a carrier unit having a frame, on which the filter housing is fastened and which is used as a seal upon fastening of the oil sump on the associated unit, in particular on an engine block or a transmission unit. | 02-18-2010 |
20130306534 | Oil Sump Having Oil Filter on Carrier Unit - An oil sump, preferably made of plastic or metal, is provided for engines or transmissions, the oil sump comprising a filter housing including a filter housing top shell, a filter housing bottom shell, a filter medium, a filter inlet, and the filter outlet, and having an oil drain opening in a floor area of the oil sump, implemented in such a way that it is closable using an oil drain screw having external thread, which comes from the oil sump outer side. The oil sump also includes a carrier unit having a frame, on which the filter housing is fastened and which is used as a seal upon fastening of the oil sump on the associated unit, in particular on an engine block or a transmission unit. | 11-21-2013 |
20140116931 | Suction-Type oil filter unit for transmissions or internal combustion engines - The invention relates to a suction-type oil filter unit ( | 05-01-2014 |
20140197085 | OIL FILTER DEVICE - The present invention provides a suction oil filter device for an engine or a transmission that has an oil inlet and an oil outlet on the filter housing, a suction oil pump connectable to the oil outlet, using which a partial vacuum may be generated between oil inlet and oil outlet, a fine filter medium and an ultra fine filter medium, which are situated between the oil inlet and the oil outlet. The fine filter medium is attached to the oil inlet or to the oil outlet, and the ultrafine filter medium is situated before the fine filter medium in the flow direction and in a secondary flow area of the filter housing. A high filtration performance may thus be achieved at low production outlay. | 07-17-2014 |
20150129471 | Oil Sump Having Oil Filter - An oil sump, preferably made of plastic or metal, for motors or transmissions and having a filter housing, comprises a filter housing top shell, a filter housing bottom shell, a filter medium, a filter inlet, and a filter outlet, and an oil drain opening in the floor area of the oil sump, which is implemented in such a way that it is closable using an oil drain screw having external thread, which comes from the oil sump bottom side. The filter housing comprises an internal thread which is implemented to receive the external thread of the oil drain screw, the filter housing being at least partially fastened on the oil sump via the oil drain screw, which closes the oil drain opening and engages using its external thread in the internal thread on the filter housing side. | 05-14-2015 |
Patent application number | Description | Published |
20080212911 | Antifriction Bearing Rage, Particularly For Highly Stressed Antifriction Bearings in Aircraft Power Units and Methods For the Production Thereof - The invention relates to an antifriction bearing race, particularly for highly stressed antifriction bearings in aircraft power units, which are comprised of a fixed joining of two layers made of different metallic materials, the area of the raceway for the roller bodies being made of a steel with a very high degree of hardness and resistance to wear, and the core area of the antifriction bearing race being made of a high-strength steel. According to the invention, a powder-metallurgical high-speed steel having a high content of carbide-forming alloying elements and a high carbon content is provided as the material for the raceway of the roller bodies, whereas the material for the core area of the antifriction bearing race is made of a hot-work steel with, in comparison to the raceway material, a lower content of carbide-forming alloying elements and with a low carbon content, both materials being joined to one another with material fit by diffusion welding. | 09-04-2008 |
20090263067 | ROLLER BEARING - The invention relates to a roller bearing comprising a roller bearing ring. In order to produce a roller bearing that has a high rotational speed value and operational load using minimum quantity lubrication and in which the heat produced in the bearing can be removed in a rapid and reliable manner, the roller bearing ring is made of a material composite. The first material composite component forms the running surface and is made of a refractory metal or a sintering material, the thermal conductivity and heat resistance thereof being higher than the thermal conductivity and heat resistance of the at least one additional material composite component which forms the base body of the roller bearing ring. | 10-22-2009 |
20090308162 | METHOD FOR TESTING A BEARING COMPONENT BY MEANS OF ULTRASOUND AND OPTICAL INSPECTION - The invention relates to methods for testing a bearing component, in order to ensure that the bearing surface and a load-bearing region located underneath said bearing surface are in a perfect condition. According to the invention, a material testing depth containing the point of maximum mechanical load during operation is determined; in a first partial testing step, the bearing component is subjected to an ultrasound test by which means the material region underneath the bearing surface is tested for defects by means of ultrasound, at least up to the material testing depth; in a second partial testing step, a full optical test of the bearing surface is carried out, during which the actual surface state of the bearing surface is compared with a nominal surface state; and the bearing component is then only classified as faultless if the results of the two partial testing steps do not reveal any defects. | 12-17-2009 |
20100058592 | METHOD FOR HARDENING RUNNING SURFACES OF ROLLER BEARING COMPONENTS - The invention relates to a method for hardening running surfaces of roller bearing components, in particular outer bearing rings. In order to provide the edge area (functional layer) of the roller bearing components with a deep layer which is particularly hard and resistant to corrosion, the roller bearing component undergoes nitration for a long period of time at a temperature of between 450 and 650° C. and for at least 25 hours. During said treatment no carburizing and subsequently no quenching takes place. | 03-11-2010 |
20120037278 | ROLLING BEARING OF CERAMIC AND STEEL ENGAGING PARTS - A roller bearing having two cooperating rolling parts of which one is of ceramic and the other of a steel. The steel part is of such structure and/or material and/or is so produced to cause residual compressive stresses to form beneath the contact surface of the steel part, at least in a load-free state, down to a depth. | 02-16-2012 |
20150049973 | ROLLING BEARING COMPONENT - A rolling bearing component ( | 02-19-2015 |
Patent application number | Description | Published |
20090250973 | HYBRID CROSS BAR FOR A VEHICLE AND METHOD FOR PRODUCING AND FOR INSTALLING A HYBRID CROSS BAR - A hybrid cross bar is provided, such as for supporting a vehicle dash board. The cross bar is supported, directly or indirectly, on at least one body location of the vehicle by a deformation element. The deformation element has a first sub-region enclosed by a plastic encapsulation. A second sub-region of the deformation element has a deformation region outside of the plastic encapsulation. | 10-08-2009 |
20090252908 | VEHICLE COMPONENT WITH A HYBRID STRUCTURE - A vehicle component is provided for a motor vehicle, such as an interior fitting part, and particularly for a component of a vehicle cockpit. The component has a hybrid structure that includes a metal part and a polymeric component. The metal part is surrounded by the polymeric component in a first region. The metal part has a second region which is free from the polymeric component. The second region is connected to a metal reinforcement. The polymeric component may comprise glass fibers. The first region of the metal part may be frame-shaped, and the second region may be arranged in a central region of the metal part. The metal reinforcement may be permanently secured to the metal part, such as by welding, or by an interference or form fit. The metal part may be surrounded by the polymeric component by injection molding and/or shaping. | 10-08-2009 |
20100140912 | Arrangement for securing of a steering column of a motor vehicle - An arrangement for securing a steering column to a cross member, in particular to a cockpit carrying member, of a motor vehicle, includes a steering column with retaining means. This arrangement makes it possible on the one hand with simple means to secure the steering column to the cross member of the motor vehicle and, on the other hand, with a further reduction in costs and weight, to enable a high degree of flexibility in relation to the use of the cross member and the steering column for different motor vehicles, by including a cross member that has, for securing the steering column, at least one hole running transverse to the longitudinal direction of the cross member for at least one securing means, and retaining means of the steering column wherein the retaining means are secured by at least one securing means to the cross member. | 06-10-2010 |
20100171339 | Support Element for a Cockpit Beam - A support element for a cockpit structure of a motor vehicle with a body, as well as a cockpit structure of a motor vehicle, which is provided in the area between the A-columns of the body of a motor vehicle, includes at least one cockpit carrier and a support element. This cockpit structure which on the one hand is optimized in respect of the material consumption, and at the same time makes shorter manufacturing times possible, as well as, on the other hand, fulfills the safety requirements in the event of an offset and/or lateral impact, has a modular design and, by the use of different cockpit structure parts, in particular different cockpit carriers and/or support elements, can be adapted to the individual body concerned. | 07-08-2010 |
Patent application number | Description | Published |
20100032597 | Electrohydraulic Control System for the Actuation of an Actuator in a Motor Vehicle - The invention relates to an electrohydraulic control system ( | 02-11-2010 |
20100272300 | DEVICE FOR HOLDING VEHICLE SENSORS - A device for holding vehicle sensors in a vehicle, wherein the device includes a housing, at least one holder for mobile terminals, wherein the first holder for mobile terminals is designed such that the mobile terminals are affixed to the housing via the holder by a releasable connection, and the holder, which includes a ball, is connected to the housing by a ball socket. An inside mirror of the vehicle is affixed to a holder arm which is rotatably connected to the housing, and the housing has an installation space for holding sensors, provisions for communication, provisions for position determination, and actuation provisions for making calls. | 10-28-2010 |
20150014104 | INTERNALLY VENTILATED MOTOR VEHICLE BRAKE DISC MADE OF FIBRE COMPOSITE MATERIAL - An internally ventilated motor vehicle brake disc which includes at least in parts of a fibre composite material, having two parallel friction surfaces on one or more friction rings with cooling channels, wherein the friction ring or rings are arranged on a brake disc hub in a non-rotating manner, and wherein the two friction surfaces include fibre composite material, a disc-shaped carrier for the friction surfaces is provided parallel to the friction surfaces, and wherein the carrier is connected to the brake disc hub as one piece. | 01-15-2015 |