Friedrichs, DE
Arnd Friedrichs, Leipzig DE
Arne Friedrichs, Braunschweig DE
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20080255756 | Navigation Method - A method for navigating from a starting location to a destination location includes calculating a total route that is divided into at least two partial routes, at least one partial route being calculated locally in a mobile navigation client and at least one other partial route being calculated centrally in a stationary route server. At least one transfer point is ascertained as the end point of a first partial route and as the starting point of a second partial route as a function of the resulting total route. | 10-16-2008 |
Arno Friedrichs, Kulmbach DE
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20090013475 | Reclining Means - The invention relates to a reclining means which has a mattress with a multiplicity of air chambers arranged in lattice form. Also provided is a mattress-profile memory which stores, for each of the air chambers, valve-control data corresponding to a mattress profile. The reclining means also has a data-carrier holder, into which a data carrier can be inserted, and means for writing valve-control data into a data carrier inserted into the data-carrier holder, as well as means for reading valve-control data which are stored on a data carrier inserted into the data-carrier holder. | 01-15-2009 |
20100126322 | Method of producing a circular saw blade having cooling channels - The invention relates to a method of producing a circular saw blade having cooling channels. In that case, placing of a plurality of thread-shaped bodies on a first circular disc of plastic material is carried out in such a manner that each of the thread-shaped bodies is oriented in radial direction. A second circular disc of plastic material is then placed on the first disc and the thread-shaped bodies. Subsequently, pressure is exerted on the second disc in the direction of the first disc. Removal of the plate-shaped bodies from the compressed disc pair is thereafter carried out, whereby cooling channels are created. Finally, sintering of the disc pair in order to obtain a circular saw blade having cooling channels running in radial direction is carried out. | 05-27-2010 |
20100232898 | ONLY PARTLY GROUND TOOL ROD MADE OF SINTERED MATERIAL - A tool bit ( | 09-16-2010 |
20110113846 | METHOD AND DEVICE FOR PRODUCING A CIRCULARLY CYLINDRICAL BODY, WHICH CONSISTS OF PLASTICS MATERIAL, WITH INTERNALLY DISPOSED HELICAL RECESSES - The invention relates to a method for producing a circular cylindrical body ( | 05-19-2011 |
20120060576 | METHOD OF PROCESSING METAL POWDER - The invention relates to a method of processing metal powder consisting a plurality of metal powder pellets, comprising the following steps: | 03-15-2012 |
20120111147 | METHOD OF PROCESSING METAL POWDER - The invention relates to a method of processing metal powder consisting a plurality of metal powder pellets, comprising the following steps: | 05-10-2012 |
20120163931 | TOOL - The invention relates to a tool which comprises a shank with a central, continuous internal channel and an insert which protrudes into the internal channel and is frictionally and/or mechanically positively connected with the shank, wherein the internal channel has one or more widenings which in work operation of the tool serve as cooling channels. | 06-28-2012 |
20120261497 | METHOD FOR PRODUCING A FUEL INJECTION ELEMENT HAVING CHANNELS, AND A FUEL INJECTION ELEMENT - The invention relates to a method for producing a fuel injection element having channels, as well as to a fuel injection element. A fuel injection element according to the invention has helically extending channels and is produced with use of an extrusion tool. | 10-18-2012 |
20130008293 | HYDRODYNAMICALLY GUIDED CIRCULAR SAW BLADE - The invention relates to a circular saw blade, which comprises a supporting body ( | 01-10-2013 |
20130302748 | DENTAL DRILL AND METHOD FOR PRODUCING SAME - The invention relates to a method for producing a dental drill that has a shank ( | 11-14-2013 |
20140212318 | METHOD OF PRODUCING A CIRCULAR SAW BLADE HAVING COOLING CHANNELS - A method is of producing a circular saw blade having cooling channels. In that case, placing of a plurality of thread-shaped bodies on a first circular disc of plastic material is carried out in such a manner that each of the thread-shaped bodies is oriented in radial direction. A second circular disc of plastic material is then placed on the first disc and the thread-shaped bodies. Subsequently, pressure is exerted on the second disc in the direction of the first disc. Removal of the plate-shaped bodies from the compressed disc pair is thereafter carried out, whereby cooling channels are created. Finally, sintering of the disc pair in order to obtain a circular saw blade having cooling channels running in radial direction is carried out. | 07-31-2014 |
20150027188 | METHOD AND DEVICE FOR PRODUCING A CIRCULARLY CYLINDRICAL BODY, WHICH CONSISTS OF PLASTICS MATERIAL, WITH INTERNALLY DISPOSED HELICAL RECESSES - A method is for producing a circular cylindrical body ( | 01-29-2015 |
Fabian Friedrichs, Stuttgart DE
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20080273806 | METHOD AND SYSTEM FOR INITIALIZING TEMPLATES OF MOVING OBJECTS - A method for tracking a moving object in a sequence of images is provided, comprising: partitioning each of said images of said sequence into blocks, identifying blocks which have moved between consecutive images of said sequence, grouping adjacent blocks, which have moved in a same direction by a same distance, into a first group of blocks, initializing an initial template for said moving object with said first group of blocks and tracking said template in said sequence of images. A corresponding system for tracking moving objects is presented as well. | 11-06-2008 |
20080309516 | METHOD FOR DETECTING MOVING OBJECTS IN A BLIND SPOT REGION OF A VEHICLE AND BLIND SPOT DETECTION DEVICE - A method for detecting moving objects In a blind spot of vehicle is provided, comprising: taking a sequence of images of said blind spot region, partitioning each of said images of said sequence into blocks, identifying moving blocks which have moved between consecutive images of said sequence, determining a direction and a distance of said movement of said moving blocks; grouping adjacent moving blocks, for which directions within a predetermined direction interval and distances within a predetermined distance interval have been determined, and determining said moving objects based on said step of grouping. A corresponding blind spot detection device is provided as well. | 12-18-2008 |
Jens Friedrichs, Neckargemuend DE
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20140299448 | CYLINDER FOR CONVEYING PRINTED SHEETS ALONG A UV OR ELECTRON BEAM DRIER AND METHOD FOR CONVEYING PRINTED SHEETS - A cylinder for conveying printed sheets along a UV or electron beam drier has inert-gas openings to which an inert gas is supplied at least temporarily during operation. A method for conveying printed sheets is also provided. | 10-09-2014 |
Joern Friedrichs, Bretten DE
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20140193247 | IMPELLER PUMP - An impeller pump has a pump casing including a pump chamber and an inlet and an outlet thereon and an impeller therein, and including a heating device for heating the conveyed medium, which heating device forms an external wall of the pump chamber. The pump chamber extends annularly around the impeller and away from the pump chamber floor, wherein the outlet leads off on a region of the pump chamber which, viewed in the axial direction of the impeller pump, is pointing away from the pump chamber floor. The cross-sectional area of the pump chamber decreases in the axial direction of the longitudinal center axis of the impeller pump away from the pump chamber floor toward the outlet by virtue of an obliquely inwardly inclined external wall. | 07-10-2014 |
Manfred Friedrichs, Essen DE
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20130313101 | ADJUSTABLE CHARGING HOLE CLOSURE FOR CHARGING THE COKING OVEN CHAMBERS OF A COKING OVEN BATTERY - An adjustable chargehole closure for adjusting the closure cover of a charging hole in a coking oven chamber. The adjustable chargehole closure has as an inner frame for a closure cover, and the frame can be rotated both with respect to the closure cover and with respect to an outer frame, designed asymmetrically with respect to a vertical plane, so that the closure cover is displaced along a longitudinal axis when the inner frame is rotated in the horizontal plane. The position of the charging hole opening and the closure cover present therein on the ceiling of a coking oven chamber can thereby be changed without requiring construction measures on the ceiling of a coking oven chamber. The capability is in particular advantageous in order to match the position of the charging hole cover to the precise charging position of the charging machine. | 11-28-2013 |
Manfred Friedrichs, Essem DE
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20110048919 | WALL PROTECTOR FOR A HEATING WALL HEAD BETWEEN TWO OVEN CHAMBER OPENINGS OF A COKE OVEN BATTERY - The invention relates to a wall protector for a heating oven head ( | 03-03-2011 |
Markus Friedrichs, Steinfurt DE
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20110101673 | PRESS-ON FITTING FOR A PIPE,IN PARTICULAR PLASTIC PIPE, OR PLASTIC-METAL COMPOSITE PIPE - The invention relates to a fitting for a pipe, particularly a plastic pipe or plastic-metal composite pipe, having a base body ( | 05-05-2011 |
Matthias Friedrichs, Nurnberg DE
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20090013948 | APPARATUS FOR THE VARIABLE SETTING OF THE CONTROL TIMES OF GAS EXCHANGE VALVES OF AN INTERNAL COMBUSTION ENGINE - An apparatus ( | 01-15-2009 |
Matthias Friedrichs, Bremen DE
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20140174386 | PHASE-ADJUSTING DEVICE OF A CAMSHAFT FOR AN INTERNAL COMBUSTION ENGINE - A camshaft adjusting device of an internal combustion engine having two camshafts supported concentrically to one another, the axial position of the outer camshaft being determined by an axial bearing and the outer camshaft interacting with a sealing cover of an adjusting apparatus. A first cam is rotationally fixed to the outer camshaft. A second cam is rotationally fixed to the inner camshaft, which can be rotated relative to the outer camshaft by the adjusting apparatus, wherein the inner camshaft has a locking contour on at least one section of the outside of the inner camshaft, which locking contour engages in a form-closed manner in a mating contour on at least one section of the inside of the outer camshaft in order to fix the axial position of the inner camshaft relative to the outer camshaft. | 06-26-2014 |
Matthias Friedrichs, Nuernberg DE
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20110041788 | CAMSHAFT ADJUSTING SYSTEM - A camshaft adjusting system of an internal combustion engine, which has a rotor, a stator, and first and second concentrically arranged camshafts one of which is driven by the stator and the other one of which is driven by the rotor. The camshafts can be rotated relative to one another to change phase angles of at least one cam on the first of the camshafts relative to at least one cam on the second of the camshafts. Hydraulic vane cells between the stator and the rotor control the rotation of the rotor relative to the stator. The total difference in the shapes and positions of the camshafts is smaller than bearing gaps of at least one bearing point between the rotor and the stator, and sealing elements which can be adjusted to the bearing gaps are provided in the bearing gaps between the rotor and the stator. | 02-24-2011 |
20120085304 | CAM SHAFT ADJUSTER AND METHOD FOR ADJUSTING THE ANGLE-OF-ROTATION POSITION OF A CAM SHAFT RELATIVE TO A CRANKSHAFT - A cam shaft adjuster for adjusting the angle-of-rotation positions of a cam shaft relative to a crankshaft. The cam shaft adjuster has at least two operating chambers to which pressure oil can be supplied to change the angle-of-rotation position. At least one of the operating chambers can be deactivated depending on an operating parameter by blocking the pressure oil supply. | 04-12-2012 |
Peter Friedrichs, Nürnberg DE
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20090114924 | LIGHTLY DOPED SILICON CARBIDE WAFER AND USE THEREOF IN HIGH POWER DEVICES - A method for manufacturing a silicon carbide single crystal. A silicon carbide single crystal is grown. The crystal has a boron concentration less than 5×10 | 05-07-2009 |
Peter Friedrichs, Nuernberg DE
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20090068803 | METHOD FOR MAKING AN INTEGRATED CIRCUIT INCLUDING VERTICAL JUNCTION FIELD EFFECT TRANSISTORS - A method for making an integrated circuit including vertical junction field effect transistors is disclosed. One embodiment creates a vertical junction field effect transistor using a fault-tolerant or alignment-tolerant production process. The device performance is not harmed, even if misalignments in consecutive semiconductor processing steps occur. | 03-12-2009 |
20090251197 | Simplified Circuit to Use a Normally Conducting Circuit Element That Requires a Normally Blocking Circuit Element - An embodiment of the invention relates to a switching system that includes a depletion-mode semiconductor device, such as a silicon carbide device, coupled in series with an enhancement-mode semiconductor device, such as a silicon field effect transistor, so that a controller can be configured to disable conductivity of the series arrangement of the two switches during a transient operating condition. During normal high-frequency switching operation, the controller persistently enables the enhancement-mode device to conduct while intermittently enabling the depletion-mode device to conduct. The controller disables the enhancement-mode device to conduct during a transient operating condition such as start up or during a fault, thereby providing circuit protection during such transients. The switching system preserves low loss switching characteristics of the depletion-mode device in a high-frequency switching circuit. | 10-08-2009 |
20100264467 | TRANSISTOR COMPONENT HAVING A SHIELDING STRUCTURE - A transistor component having a shielding structure. One embodiment provides a source terminal, a drain terminal and control terminal. A source zone of a first conductivity type is connected to the source terminal. A drain zone of the first conductivity type is connected to the drain terminal. A drift zone is arranged between the source zone and the drain zone. A junction control structure is provided for controlling a junction zone in the drift zone between the drain zone and the source zone, at least including one control zone. A shielding structure is arranged in the drift zone between the junction control structure and the drain zone and at least includes a shielding zone of a second conductivity type being complementarily to the first conductivity type. The shielding zone is connected to a terminal for a shielding potential. The at least one control zone and the at least one shielding zone have different geometries or different orientations in a plain that is perpendicular to a current flow direction of the component. | 10-21-2010 |
20140021484 | Semiconductor Device - A manufacturing method provides a semiconductor device having a semiconductor body defining a source region, a body region, a drift region and a diode region. The drift region has a first drift region section and a second drift region section. The diode region is buried within the drift region, and has a semiconductor type opposite to the drift region to form a diode. The diode region is separated from the gate electrode by the first drift region section extending from the diode region in a vertical direction. The gate electrode is adjacent the body region and insulated from the body region by a gate dielectric. A source electrode is electrically connected to the source region, the body region and the diode region. A semiconductor region of a doping type opposite to the doping type of the drift region is arranged between the first drift region section and the source electrode. | 01-23-2014 |
20140091839 | Electronic Circuit with a Reverse Conducting Transistor Device - An electronic circuit includes a first transistor device with a control terminal and a load path. A drive circuit includes an input terminal and an output terminal. The output terminal is coupled to the control terminal of the first transistor device. The drive circuit is operable to drive the first transistor device dependent on an input signal received at the input terminal. A polarity detector is coupled in parallel with the load path of the first transistor device. The polarity detector includes a second transistor device and a current detector. The second transistor device includes a load path connected to the load path of the first transistor device. The current detector includes a sense path in series with the load path of the second transistor device and an output connected to the input terminal of the drive circuit. | 04-03-2014 |
Peter Friedrichs, Nürnberg DE
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20080217627 | SiC-PN Power Diode - An integrated vertical SiC—PN power diode has a highly doped SiC semiconductor body of a first conductivity type, a low-doped drift zone of the first conductivity type, arranged above the semiconductor body on the emitter side, an emitter zone of a second conductivity type, applied to the drift zone, and at least one thin intermediate layer of the first conductivity type. The intermediate layer is arranged inside the drift zone, has a higher doping concentration than the drift zone, and divides the drift zone into at least one first anode-side drift zone layer and at least one second cathode-side drift zone layer. There is also disclosed a circuit configuration with such SiC—PN power diodes. | 09-11-2008 |
20090114924 | LIGHTLY DOPED SILICON CARBIDE WAFER AND USE THEREOF IN HIGH POWER DEVICES - A method for manufacturing a silicon carbide single crystal. A silicon carbide single crystal is grown. The crystal has a boron concentration less than 5×10 | 05-07-2009 |
20120091471 | LIGHTLY DOPED SILICON CARBIDE WAFER AND USE THEREOF IN HIGH POWER DEVICES - A semiconductor device including a drift zone of a first conductivity type serving as a substrate layer having a front side and a back side. A first contact electrode is arranged at the front side of the drift zone. A control region is arranged at the front side and controls an injection of carriers of at least the first conductivity type into the drift zone. A second contact electrode is arranged at the backside of the drift zone. The drift zone is arranged to carry a carrier flow between the first and the second contact electrode. The drift zone includes a silicon carbide wafer with a net carrier concentration less than 10 | 04-19-2012 |
20120187419 | Production Method for a Unipolar Semiconductor Component and Semiconductor Device - The invention relates to a production method for a unipolar semiconductor component having a drift layer ( | 07-26-2012 |
Rene Friedrichs, Rosdorf DE
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20080202257 | Coriolis mass flowmeter with an oscillatable straight measuring tube - The disclosure relates to a Coriolis mass flowmeter with an oscillatable straight measuring tube consisting of a corrosion-resistant metal, in particular of titanium or a titanium alloy, to which are attached mounted parts connected directly to the measuring tube for the implementation of the Coriolis measurement principle. Furthermore, stabilizing elements running parallel to the measuring tube are coupled to the measuring tube via mounted parts connected directly to the measuring tube, the mounted parts and the stabilizing elements consisting of a metal other than that of the measuring tube. The stabilizing elements are manufactured from a second material which possesses a coefficient of thermal expansion adapted to the metal of the measuring tube. The mounted parts connected directly to the measuring tube are manufactured from a third material which possesses a higher coefficient of thermal expansion than the metal of the measuring tube. | 08-28-2008 |
20100011882 | METHOD FOR OPERATING A VIBRATORY MEASURING INSTRUMENT, AND CORRESPONDING INSTRUMENT - A method for operation of a vibratory measurement instrument comprises flowing a fluid through at least one measurement tube; causing the measuring tube to oscillate mechanically using an oscillation production unit; detecting an oscillation behavior of the tube using at least one oscillation sensor; determining at least one of a mass flow, a viscosity, and a density in a narrowband frequency range based on the oscillation behavior; evaluating at least one of the mass flow, the viscosity, and the density using signal processing of an electronics unit; and evaluating the oscillation behavior at least at times in a broadband frequency range using the electronics unit. | 01-21-2010 |
René Friedrichs, Gõttingen DE
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20100005887 | VIBRATION-TYPE MEASURING DEVICE - A vibration-type measuring device includes an exciter arrangement which exerts a time-dependent force with at least one sinusoidal component at an adjustable excitation frequency on a measuring tube, through which a medium can flow, and causes the measuring tube to oscillate. The measuring device includes first and second sensors which are fitted to the measuring tube at different locations. The first and second sensors output first and second measurement signals, respectively. The measuring device includes an evaluation unit which determines a first phase shift between the first and second measurement signals and uses the determined phase shift to determine a measurement variable of the medium. The measuring device includes a phase comparator, which determines a second phase shift between the force and the average value of the first and second measurement signals, and a frequency generator which sets the excitation frequency on the basis of the second phase shift. | 01-14-2010 |
20140314115 | CALIBRATOR FOR CALIBRATING DEVICES WITH A TEMPERATURE FUNCTION - A calibrator for calibrating devices with a temperature function, e.g. thermometers or thermal switches has an input and display unit. The calibrator has a capacitive touchscreen with the input and display unit. | 10-23-2014 |