Patent application number | Description | Published |
20090199541 | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE AND DEVICE FOR CARRYING OUT THE METHOD - A method for operating an internal combustion engine in whose exhaust gas region at least one SCR catalytic converter is arranged, a reagent which contributes to NOx conversion in the SCR catalytic converter being applied to said SCR catalytic converter, and a device for carrying out the method are proposed. A measure for the NOx current which occurs downstream of the SCR catalytic converter is both calculated and measured with an NOx sensor which has lateral sensitivity to the reagent. The difference between the calculated measure and the measured measure of the NOx current is determined. A reagent signal which defines the metering of the reagent is influenced as a function of the difference. Plausibility checking is provided, during which the reagent quantity which is metered in a predefined time period and the reagent quantity which is converted in the SCR catalytic converter and/or the converted NOx quantity are compared with one another. When a deviation is detected, a correction signal which also influences the reagent signal is made available. | 08-13-2009 |
20090199542 | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE AND DEVICE FOR IMPLEMENTING THE METHOD - The invention relates to a method for operating an internal combustion engine, in the exhaust gas section of which is arranged at least one SCR catalytic converter, which is hit with a reagent that contributes to NO | 08-13-2009 |
20100050611 | PROCEDURE FOR OPERATING A COMBUSTION ENGINE WITH A SCR-CATALYZER - A combustion engine has in the exhaust gas area a SCR-catalyzer with a NH | 03-04-2010 |
20130276429 | METHOD FOR DIAGNOSING A METERING VALVE AND DEVICE FOR CARRYING OUT THE METHOD - A method for diagnosing a metering valve for metering a reagent into the exhaust gas region of an internal combustion engine. The metering valve is actuated by a pulse-width-modulated metering valve actuation signal with a certain duty factor for setting the metering rate. A reagent pump places the reagent at a reagent pressure, and the reagent pump is operated with a pulse-width-modulated pump actuation signal with a certain duty factor. Diagnosis of the metering valve is carried out on the basis of an evaluation of the increase in the metering valve actuation signal pulse duty factor after a predefined increase in the metering rate. The reagent filling level of an SCR catalytic converter arranged in the exhaust gas region is taken into account. At the start of the diagnosis, the reagent storage capacity of the SCR catalytic converter is checked. | 10-24-2013 |
Patent application number | Description | Published |
20100003551 | METHOD FOR OPERATING A FUEL CELL SYSTEM IN A MODE OF REDUCED POWER OUTPUT - The invention relates to a method for operating a fuel cell system in a mode of reduced power output. The fuel cell system comprises a fuel cell stack (BS) having at least one fuel cell (BZ) with an anode (A), a cathode (K), and a proton exchange membrane, anode and cathode inlets, anode and cathode outlets, and a hydrogen and air supply. In order not to adversely affect the life span of the fuel cell system, the air supply to the cathode (K) is interrupted during the changeover to the mode of reduced power output, and an electric voltage (U) of the fuel cell stack (BS) is reduced by means of a current pulse. | 01-07-2010 |
20110053015 | Control Method for a Fuel Cell System and Fuel Cell System - In a method for controlling a fuel cell system that is designed to react a fuel with an oxidant, the fuel cell system can be switched between an idle condition and an active operating condition. In the idle condition, energy is supplied to an energy consumer, at least in part, from an energy storage device, and the fuel is moved actively within the fuel cell system. | 03-03-2011 |
20110097633 | Fuel Cell System and Motor Vehicle with Such a Fuel Cell System - In the operation of a fuel cell of a fuel cell system, water contained in the exhaust gas is stored in a water tank. The water tank has means for discharging the water in increments or portions. For example, the water can exit as droplets through the porous floor surface of the water tank, and be carried off by the driving wind while the vehicle is driving; or it can be collected at a wall of a water tank and fed into lines, returning it to the exhaust gas flow as droplets. | 04-28-2011 |
Patent application number | Description | Published |
20080216259 | Mobile floor-cleaning machine - The invention relates to a mobile floor-cleaning machine having a rotationally drivable, disk-like cleaning tool which is detachably held on a tool holder, the tool holder being connected to a drive shaft in a rotationally fixed manner. In order to develop the floor-cleaning machine in such a way that the cleaning tool can be easily replaced, the invention proposes that said cleaning tool is adapted to be detachably latched to the tool holder and to be disconnected from the tool holder in the axial direction by means of an unlatching mechanism which is adapted to be operated by the user. | 09-11-2008 |
20100263141 | Cleaning tool and cleaning device having such a cleaning tool - The invention relates to a cleaning tool for a cleaning device, the cleaning tool being subject to wear during operation. In order to make it easier to identify wear, the invention proposes that the cleaning tool comprise a sensor device with a sensor element which has a physical characteristic variable which changes as a function of the degree of wear of the cleaning tool. The invention also proposes a cleaning device having such a cleaning tool, the cleaning device having a detector device which is coupled to the sensor device for the purpose of sensing the change in the physical characteristic variable of the sensor element, and having an indicator device which is connected to the detector device. | 10-21-2010 |
20110005027 | Floor cleaning appliance - The invention relates to a floor cleaning appliance comprising a housing, on the underside of which is arranged at least one drivable cleaning tool for removing dirt from a surface to be cleaned, and further comprising a suction unit for vacuuming-off the dirt and a dirt container for receiving the vacuumed-off dirt. In order to so develop such a floor cleaning appliance that it is easier to service, it is proposed in accordance with the invention that the housing comprise a dirt container receptacle in which the dirt container is releasably positionable, and, in addition, at least one functional device receptacle for at least one functional device, the at least one functional device or a cover of the at least one functional device being freely accessible after removal of the dirt container from the dirt container receptacle. | 01-13-2011 |
20120154116 | Cleaning Apparatus and Method for Controlling Access to a Cleaning Apparatus - The invention relates to a cleaning apparatus, comprising an operating unit for operating the cleaning apparatus, at least one functional unit for carrying out an operating instruction, and a control unit for receiving operating instructions performed on the operating unit and controlling the at least one functional unit based on said operating instructions, wherein an access authorization stored on an authorization carrier is required in order to operate the cleaning apparatus. In order to provide such a cleaning apparatus with a more user-friendly access control, it is proposed that the cleaning apparatus have a detection unit operatively connected to the control unit and configured for contactless detection of the access authorization and transmission thereof to the control unit, and that the access authorization be verifiable for its validity by the control unit. The invention further relates to a method for controlling access to a cleaning apparatus. | 06-21-2012 |
20130247938 | METHOD FOR OPERATING A CLEANING APPLIANCE AND CLEANING APPLIANCE FOR IMPLEMENTING THE METHOD - A method is proposed for operating a cleaning appliance which comprises a control device as well as at least one cleaning element for cleaning a surface which has a memory element. The control device comprises a control memory member and the control device is connected to a reader for reading the memory element. In order to reduce the risk of the user unintentionally using an unsuitable cleaning element, it is suggested that characterizing data distinguishing the type of cleaning element be stored in the memory element, these data being read and evaluated in the period of time from the starting up of the cleaning appliance up to the beginning of the cleaning action of the cleaning element. In addition, a cleaning appliance for implementing the method is suggested. | 09-26-2013 |
20140090664 | SELF-PROPELLED SURFACE CLEANING MACHINE AND METHOD FOR OPERATING A SELF-PROPELLED SURFACE CLEANING MACHINE - Provided is a self-propelled surface cleaning machine including a front wheel device, a steering device associated therewith, a steering angle sensor device capable of detecting a steering angle at the front wheel device, a rear wheel device having a left rear wheel and a right rear wheel, an electromotive drive device associated with each of the left rear wheel and the right rear wheel, a cleaning liquid application device by which cleaning liquid is applicable to a floor/ground in an application area arranged between the front wheel device and the rear wheel device, and a control device operatively connected for signal communication with the steering angle sensor device and the electromotive drive devices, wherein each electromotive drive device is controllable individually depending on signals from the steering angle sensor device. | 04-03-2014 |
Patent application number | Description | Published |
20090209399 | MACHINE-TOOL REVOLVER UNIT - A machine-tool turret-type unit includes a turret disk that is free to rotate about a rotational axis, and a housing on which to mount the turret disk is provided. The housing includes at least one securing device to be secured to the securing section of the machine tool. The securing device includes at least one securing surface to rest against the securing section of the machine tool. The rotational axis lies within a first plane defined by the securing surface(s). | 08-20-2009 |
20140245870 | MACHINE TOOL - The present invention relates to a machine tool, in particular a lathe, having a machine frame | 09-04-2014 |
20140251097 | MACHINE TOOL - The present invention relates to a machine tool, in particular to a lathe, comprising a machine frame | 09-11-2014 |
20140298961 | MACHINE TOOL - The present invention relates to a machine tool, in particular a lathe, comprising a machine frame | 10-09-2014 |
20140318331 | TOOL CARRIER AND MACHINE TOOL HAVING A TOOL CARRIER - The present invention relates to a tool carrier | 10-30-2014 |
Patent application number | Description | Published |
20090255914 | HEAT-GENERATING ELEMENT AND HEATING DEVICE COMPRISING THE SAME - A heat-generating element includes at least one PTC heating element and an insulating housing enclosing the PTC heating element, as well as electric conductors whose inner surfaces are in contact with opposed sides of the PTC heating element. The respective outer surfaces of the electric conductors are covered by an insulating layer comprising at least two interconnected plastic sheets and fixedly connected to the housing. In another aspect, a heating device includes a plurality of heat-generating elements can comprise at least one PTC element and electric conductors that contact opposed lateral surfaces of the PTC element, and heat-emitting elements arranged in parallel layers in contact with opposed sides of the heat-generating element. The heating device has heat-emitting elements which are in contact with opposed sides of the heat-generating element via an interposed insulating layer comprising at least two interconnected plastic sheets. | 10-15-2009 |
20100243638 | ELECTRIC HEATING DEVICE FOR A MOTOR VEHICLE - An electric heating device for a motor vehicle includes at least one PTC heating element with contact metal sheets extending substantially parallel to one another and accommodating between them at least one PTC element, and a printed circuit board. The printed circuit board has formed therein at least one opening through which a contact tongue projects. The contact tongue serves to establish an electric connection between the PTC heating element and the printed circuit board. For providing an electric heating device having a compact structural design, a punched-out connection piece connected to a conductor path of the printed circuit board in an electrically conductive manner. The connection piece defines a fixing portion which rests on the printed circuit board, and also defines and at least one spring tongue projecting into the opening. | 09-30-2010 |
20120248091 | ELECTRICAL HEATING DEVICE WITH A PLATE ELEMENT COMPRISING CONDUCTIVE PATHS AND METHOD FOR THE MANUFACTURE OF A PLATE ELEMENT OF THIS NATURE - An electrical heating includes a plurality of electrical heating elements which are held by a housing and which abut heat conducting surfaces over which a medium to be heated flows. The electrical heating elements comprise contact lugs, arranged essentially at the same height, that are connected through a plate element. The plate element includes conductive paths and contact lug receptacles for the contact lugs. The plate element may include a carrier plate of non-conducting material and a stamped out metal plate that are joined together to form one unit. A method of manufacturing a plate element includes manufacturing the carrier plate by injection moulding and subjecting a metal plate to stamping operations to form area elements which are joined together by connecting ridges and in which the contact lug receptacles are located. The carrier plate and the metal plate are then joined, and the connecting ridges are then parted. | 10-04-2012 |
20140096388 | ELECTRICAL HEATING DEVICE WITH A PLATE ELEMENT COMPRISING CONDUCTIVE PATHS AND METHOD FOR THE MANUFACTURE OF A PLATE ELEMENT OF THIS NATURE - An electrical heating includes a plurality of electrical heating elements which are held by a housing and which abut heat conducting surfaces over which a medium to be heated flows. The electrical heating elements comprise contact lugs, arranged essentially at the same height, that are connected through a plate element. The plate element includes conductive paths and contact lug receptacles for the contact lugs. The plate element may include a carrier plate of non-conducting material and a stamped out metal plate that are joined together to form one unit. A method of manufacturing a plate element of this nature includes manufacturing the carrier plate by injection moulding and subjecting a metal plate to stamping operations to form area elements which are joined together by connecting ridges and in which the contact lug receptacles are located. The carrier plate and the metal plate are then joined, and the connecting ridges are then parted. | 04-10-2014 |
Patent application number | Description | Published |
20100070232 | METHOD AND SYSTEM FOR GENERATING AN INTEGRATED CIRCUIT CHIP FACILITY WAVEFORM FROM A SERIES OF CHIP SNAPSHOTS - Methods and corresponding test systems for generating a chip facility waveform from a series of chip snapshots. The methods including, (i) testing an integrated chip multiple times, each time increasing a clockstop delay delaying a clockstop generated by triggered error condition each time determining the state of state holding elements of the integrated circuit and (ii) testing an integrated circuit chip one time to generate a error condition and determining multiple times the states of state holding elements of the integrated circuit based on previous states of the state holding elements. | 03-18-2010 |
20120123724 | Detecting an Unstable Input to an IC - Additional circuitry is included in an input cell design structure for an integrated circuit to detect and report transitions on an input that was expected to be stable, and to store that event for later analysis. Two or more modified input cells may have their error indications daisy-chained together to minimize additional routing. The storage elements may be included in a scan chain to allow for isolation of which input had the unexpected transition. | 05-17-2012 |
20130151915 | EFFICIENCY OF COMPRESSION OF DATA PAGES - A technique for controlling scan access of multiple scan devices (including or more slave scan devices and a master scan device) to a scan chain includes sending, by a requesting slave scan device included in the one or more slave scan devices, a first request for access to the scan chain to the master scan device. The master scan device and the one or more slave scan devices are connected to the scan chain. The technique also includes receiving, at the requesting slave scan device, an evaluation result from the master scan device and accessing, by the requesting slave scan device, the scan chain in response to the evaluation result indicating access granted. Finally, the technique includes sending, by the requesting slave scan device, one or more second requests for access to the scan chain to the master scan device in response to the evaluation result indicating access denied. | 06-13-2013 |
20130173899 | Method for Secure Self-Booting of an Electronic Device - The present invention relates to a method for a self-boot of an electronic device, wherein an external component is accessible through an interface of the electronic device ( | 07-04-2013 |
20130212445 | APPARATUS FOR JTAG-DRIVEN REMOTE SCANNING - A scan circuit (JTAG 1149 extension) for a microprocessor utilizes transport logic and scan chains which operate at a faster clock speed than the external JTAG clock. The transport logic converts the input serial data stream (TDI) into input data packets which are sent to scan chains, and converts output data packets into an output data stream (TDO). The transport logic includes a deserializer having a sliced input buffer, and a serializer having a sliced output buffer. The scan circuit can be used for testing with boundary scan latches, or to control internal functions of the microprocessor. Local clock buffers can be used to distribute the clock signals, controlled by thold signals generated from oversampling of the external clock. The result is a JTAG scanning system which is not limited by the external JTAG clock speed, allowing multiple internal scan operations to complete within a single external JTAG cycle. | 08-15-2013 |
20130219236 | Controlling Scan Access to a Scan Chain - A technique for controlling scan access of multiple scan devices (including or more slave scan devices and a master scan device) to a scan chain includes sending, by a requesting slave scan device included in the one or more slave scan devices, a first request for access to the scan chain to the master scan device. The master scan device and the one or more slave scan devices are connected to the scan chain. The technique also includes receiving, at the requesting slave scan device, an evaluation result from the master scan device and accessing, by the requesting slave scan device, the scan chain in response to the evaluation result indicating access granted. Finally, the technique includes sending, by the requesting slave scan device, one or more second requests for access to the scan chain to the master scan device in response to the evaluation result indicating access denied. | 08-22-2013 |
20140089749 | APPARATUS FOR JTAG-DRIVEN REMOTE SCANNING - A scan circuit (JTAG 1149 extension) for a microprocessor utilizes transport logic and scan chains which operate at a faster clock speed than the external JTAG clock. The transport logic converts the input serial data stream (TDI) into input data packets which are sent to scan chains, and converts output data packets into an output data stream (TDO). The transport logic includes a deserializer having a sliced input buffer, and a serializer having a sliced output buffer. The scan circuit can be used for testing with boundary scan latches, or to control internal functions of the microprocessor. Local clock buffers can be used to distribute the clock signals, controlled by thold signals generated from oversampling of the external clock. The result is a JTAG scanning system which is not limited by the external JTAG clock speed, allowing multiple internal scan operations to complete within a single external JTAG cycle. | 03-27-2014 |
Patent application number | Description | Published |
20080319584 | PROCEDURE FOR CONTROLLING AN INJECTION VALVE - The invention concerns a procedure for controlling an injection valve, at which the injection valve is supplied with current that is provided by a condenser during a holding phase, at which the injection valve is kept open. The invention further concerns a device for controlling an injection valve, which is customized to cause the condenser to provide the injection valve during a holding phase, at which the injection valve is kept open, with current. | 12-25-2008 |
20100031919 | METHOD FOR CYLINDER SYNCHRONIZATION OF AN INTERNAL COMBUSTION ENGINE - The aim of the invention is to optimize the running smoothness of an internal combustion engine. To achieve this aim, the individual cylinders are synchronized with respect to their torque contribution. According to the method, fuel is injected into the combustion chamber of a cylinder in at least one injection step, the at least one injection contributing to the torque of the internal combustion engine. Fuel is injected into the combustion chamber of the cylinder in a torque neutral manner by way of a secondary injection during a working stroke of the cylinder and the amount of fuel of the secondary injection us calculated in such a manner that the exhaust gas substantially corresponds to a stoichiometric air/fuel mixture. | 02-11-2010 |
20110184633 | Method for starting an internal combustion engine - A method for starting an internal combustion engine, in which a control unit starts at least one function at a specific crankshaft angle, the function being shifted from the start of the internal combustion engine until a final condition is reached by a relative angle to a later crankshaft angle. | 07-28-2011 |
20120152203 | Method and control unit for operating an injector of an internal combustion engine - In a method for operating an injector of an internal combustion engine of a motor vehicle, in which an actuator for driving a component of the injector is provided, the actuator is controlled in such a way that at least two partial injections are brought about within a working cycle of the internal combustion engine. For each partial injection, a starting point in time of the partial injection is ascertained. | 06-21-2012 |
20130068197 | METHOD AND DEVICE FOR CONTROLLING THE EXHAUST GAS RECIRCULATION RATE FOR INTERNAL COMBUSTION ENGINES DURING LEAN OPERATION - A method for setting an exhaust gas recirculation rate in an engine system having an internal combustion engine, the exhaust gas recirculation rate indicating the portion of the exhaust gas recirculated into one cylinder of the internal combustion engine with regard to the total gas quantity present in the cylinder, including: operating the internal combustion engine according to an input for the exhaust gas recirculation rate, an ignition of an air/fuel mixture being carried out in the cylinder at a certain ignition timing; adjusting the ignition timing in the cylinder of the internal combustion engine; correcting the input for the exhaust gas recirculation rate as a function of a change in an operating behavior of the internal combustion engine due to the ignition timing adjustment. | 03-21-2013 |
20150107229 | METHOD AND DEVICE FOR REDUCING THE EMISSION OF NITROUS OXIDE - In a method for regeneration of nitrogen oxide storage catalytic converters in the exhaust gas tract of a gasoline engine assigned an exhaust aftertreatment system in the form of a Y system including two three-way catalytic converters, two downstream nitrogen oxide storage catalytic converters, one shared catalytic converter for selective catalytic reduction, and a rear nitrogen oxide storage catalytic converter, a first part of the exhaust gas in the first exhaust bank is set to rich and a second part of the exhaust gas in the second exhaust bank is set to lean in a first regeneration phase and subsequently, the second part of the exhaust gas in the second exhaust bank is set to rich and the first part of the exhaust gas in the first exhaust bank is set to lean in a second regeneration phase. | 04-23-2015 |
Patent application number | Description | Published |
20080272549 | GASKET CONTAINING FUEL PERMEATION BARRIER - A method for reducing fuel permeation through gasketed joints in an internal combustion engine ( | 11-06-2008 |
20090065976 | COMPONENT PART WITH INTEGRATED SEAL - A lid component part of an internal combustion engine with integrated elastic seal, such as, for example, is provided to a cylinder head gasket or oil pan and a process for its manufacture. The component part exhibits a circumferential flange area for the arranging of the integrated seal. The component part is based on a plastic-material, while the seal essentially comprises an organic elastomer material. The component part and the seal are chemically bonded with one another. The seal is applied by injection molding onto the component part. | 03-12-2009 |
20090277166 | Exhaust gas check valve - Exhaust gas check valve with a movable valve element held by a plurality of return springs, an exhaust gas through-opening closable by the valve element, and a stop element delimiting the stroke of the valve element; in order to improve the service life of the check valve, damping means are provided in the check valve for bringing about a comparatively gentle breaking of the valve element when at the end of its stroke it approaches that position in which the check valve is fully open, the damping means comprising spring elements holding the stop element, and/or a gas space which, when the check valve is open, is defined and at least almost closed by the valve element and the stop element. | 11-12-2009 |
20100166965 | SEAL WITH SUPPORT AND PRODUCTION OF SAME - The seal comprises a two-dimensional support, to which on one-side or both-sides an elastomer is applied by means of an injection molding process. The elastomer of the seal consists of at least one elastomer material. For the manufacture, a support is provided which is continuously fed to a pick apparatus, which cyclically applies on one or both sides an organic elastomer material as seal to the support. Subsequently, the seal is punched free. | 07-01-2010 |
Patent application number | Description | Published |
20080237907 | Process for the preparation of a polymerizable dental composition - A process for the preparation of a polymerizable dental composition comprising the steps of
| 10-02-2008 |
20100022681 | Dental compositions comprising cisacrylamides and use thereof - The invention concerns a dental composition comprising bisacrylamides that are polymerizable by free-radical polymerization and by Michael-addition polymerization with amines. The application of polymerization and addition polymerization with amines opens the possibility to completely reacted materials that have no oxygen inhibited layers. The claimed bisacrylamides have an improved hydrolytic stability. | 01-28-2010 |
20100160485 | Hydrolysis stable self-etching, self-priming adhesive - An aqueous one-pack self-etching and self-priming dental adhesive composition having a pH of at most 2, which comprises: (i) a polymerizable N-substituted alkylacrylic or acrylic acid amide monomer which optionally contains an inorganic acidic moiety selected from a phosphonic acid moiety or a sulfonic acid moiety, and (ii) a curing system. | 06-24-2010 |
20110288196 | DENTAL COMPOSITIONS COMPRISING BISACRYLAMIDES AND USE THEREOFE - The invention concerns a dental composition comprising bisacrylamides that are polymerizable by free-radical polymerization and by Michael-addition polymerization with amines. The application of polymerization and addition polymerization with amines opens the possibility to completely reacted materials that have no oxygen inhibited layers. The claimed bisacrylamides have an improved hydrolytic stability. | 11-24-2011 |
20130158157 | COMPOSITE FILLER PARTICLES AND PROCESS FOR THE PREPARATION THEREOF - A process for the preparation of composite filler particles, comprising: (a) coating a particulate filler having a median particle size (D50) of from 1 to 1200 nm; (b) agglomerating the coated particulate filler, for providing a granulation of the coated particulate filler wherein the granulation contains the coated particulate filler particles whereby the at least one coating layer may be crosslinked by crosslinking groups obtained by reacting the reactive groups and optionally a further crosslinking agent. | 06-20-2013 |
20150105489 | DENTAL COMPOSITIONS COMPRISING BISACRYLAMIDES AND USE THEREOF - The invention concerns a dental composition comprising bisacrylamides that are polymerizable by free-radical polymerization and by Michael-addition polymerization with amities. The application of polymerization and addition polymerization with amines opens the possibility to completely reacted materials that have no oxygen inhibited layers. The claimed bisacrylamides have an improved hydrolytic stability. | 04-16-2015 |