Patent application number | Description | Published |
20110040117 | PROCESS FOR PREPARING DIALKYL CARBONATES FROM ALKYLENE CARBONATES AND ALCOHOLS - The present invention relates to a continuous process for preparing lower dialkyl carbonates as main product and alkylene glycol as by-product by catalyzed transesterification of a cyclic alkylene carbonate (e.g. ethylene carbonate or propylene carbonate) with lower alcohols, where the reaction of the alkylene carbonate is carried out with an alcohol containing dialkyl carbonate in countercurrent, characterized in that introduction of a stream containing at least 99.5% by weight of alcohol takes place below the point of introduction for the alcohol containing dialkyl carbonate in a particular spacing ratio between the abovementioned points of introduction. | 02-17-2011 |
20110144371 | PROCESS FOR PURIFYING DIALKYL CARBONATES - The present invention relates to a special process for purifying dialkyl carbonates. In particular, the present invention relates to a continuous process for purifying a dialkyl carbonate/alcohol-mixture in the preparation of lower dialkyl carbonate by catalysed transesterification of a cyclic alkylene carbonate (e.g. ethylene carbonate or propylene carbonate) with lower alcohols. To optimize the economics and energy efficiency of the process, an apparatus for intermediate heating of the internal liquid stream is used. | 06-16-2011 |
20110237819 | PROCESS FOR PREPARING DIALKYL CARBONATES - The present invention relates to a continuous process for preparing lower dialkyl carbonates as main product and alkylene glycol as by-product by transesterification of a cyclic alkylene carbonate (e.g. ethylene carbonate or propylene carbonate) with lower alkyl alcohols in the presence of a catalyst and also the required purification of the dialkyl carbonate in a subsequent process step. To optimize the economics and energy efficiency of the process, additional devices are used for intermediate heating of the liquid streams in the apparatus. | 09-29-2011 |
20120101247 | PROCESS FOR PREPARING DIARYL CARBONATES FROM DIALKYL CARBONATES - The present invention relates to a process for continuously preparing diaryl carbonates from dialkyl carbonates and at least one monohydroxyl compound in the presence of catalysts, and to the use thereof for preparation of polycarbonates. The alkylene glycol obtained in the preparation of the dialkyl carbonate used is recycled by oxidative carbonylation with carbon monoxide in the presence of a catalyst to give the cyclic alkylene carbonate which is in turn converted to the dialkyl carbonate. More particularly, the process utilizes the alkylene glycol obtained for the diphenyl carbonate preparation process (DPC process). | 04-26-2012 |
20120101293 | PROCESS FOR CONTINUOUSLY PREPARING DIALKYL CARBONATE - The present invention relates to a continuous process for purifying a dialkyl carbonate/alkyl alcohol mixture in the preparation of dialkyl carbonate by catalysed transesterification of a cyclic alkylene carbonate (e.g. ethylene carbonate or propylene carbonate) with alkyl alcohols. For the increase in the product quality of the dialkyl carbonate, the selection of the operating parameters of the dialkyl carbonate purification column are crucial, in order to reduce the formation of unwanted by-products such as alkoxy alcohols and aliphatic carbonate ethers. | 04-26-2012 |
20120130110 | PROCESS FOR CONTINUOUSLY PREPARING DIALKYL CARBONATE - The present invention relates to a process comprising purifying dialkyl carbonates of the formula (II) in one or more columns in the presence of an alkylene oxide of the formula (V) and of an alkyl alcohol of the formula (IV) | 05-24-2012 |
20130018186 | BIMETALLIC COMPLEXES AND THE USE THEREOF IN PRODUCING DIARYL CARBONATEAANM Gurtler; ChristophAACI KolnAACO DEAAGP Gurtler; Christoph Koln DEAANM Muller; Thomas ErnstAACI MunchenAACO DEAAGP Muller; Thomas Ernst Munchen DEAANM Ooms; PieterAACI KrefeldAACO DEAAGP Ooms; Pieter Krefeld DEAANM Rechner; JohannAACI KempenAACO DEAAGP Rechner; Johann Kempen DEAANM Risse; FriedhelmAACI KolnAACO DEAAGP Risse; Friedhelm Koln DEAANM Prokofieva; AngelinaAACI LeverkusenAACO DEAAGP Prokofieva; Angelina Leverkusen DEAANM Doro; FrancoAACI AachenAACO DEAAGP Doro; Franco Aachen DEAANM Kohler; BurkhardAACI ZierenbergAACO DEAAGP Kohler; Burkhard Zierenberg DEAANM Leitner; WalterAACI AachenAACO DEAAGP Leitner; Walter Aachen DEAANM Wolf; AurelAACI WulfrathAACO DEAAGP Wolf; Aurel Wulfrath DE - The invention relates to bimetallic complexes in which the ligand contains a salophen unit which complexes copper, manganese or cobalt and a phenanthroline unit which complexes palladium and the two systems are linked by a continuous conjugated system. The invention further relates to the use of these bimetallic complexes as catalysts for the oxidative carbonylation of aromatic hydroxy compounds to form diaryl carbonates, a process for preparing diaryl carbonates using the bimetallic complex as catalyst and also diaryl carbonates prepared by oxidative carbonylation of aromatic hydroxy compounds using the bimetallic complexes of the invention as catalysts. | 01-17-2013 |
Patent application number | Description | Published |
20090120747 | Trailer vehicle brake-control module - A brake-control module for a first trailer of a tractor-trailer combination reduces braking response time for the second trailer and subsequent trailers in the vehicle train. The brake-control module includes a tractor interface. The tractor interface includes a tractor CAN interface for connecting to a tractor CAN connector of a tractor, a tractor voltage-supply interface for connecting to a tractor voltage-supply connector of the tractor, and a tractor warning-light interface for connecting to a tractor warning-light connector of the tractor. The brake-control module further includes a second-trailer interface for connection of a second trailer that is coupled to the first trailer. The second-trailer interface includes a second-trailer CAN interface for connecting to a second-trailer CAN connector of the second trailer, a second-trailer voltage-supply interface for connecting to a voltage connector of the second trailer, and a second-trailer warning-light interface for connecting to a second-trailer warning-light connector of the second trailer. | 05-14-2009 |
20090326755 | OPERATING DEVICE FOR TRAILER VEHICLES - The invention relates to an operating device ( | 12-31-2009 |
20100017086 | COMMERCIAL VEHICLE TRAILER WITH AN ELECTRONICALLY CONTROLLED BRAKING SYSTEM - A commercial vehicle trailer includes an electronically controlled braking system having an electronic control unit that has a parameter memory having one or more memory areas that can store vehicle-specific data. The electronic control unit controls the electronically controlled braking system based on the vehicle-specific data, and has an interface to an external computer. To permit reliable correlation of the vehicle-specific data to the commercial vehicle trailer, information is displayed on the trailer itself that characterizes the vehicle-specific data and that can be read into the computer via a reader unit. Based on such information, the appropriate vehicle-specific data is transferred to the electronic control unit. | 01-21-2010 |
20100026084 | Anti-theft protection for trailers - The invention relates to a device for protecting against unauthorized removal of a trailer, with an electronic brake system (EBS) and a brake assembly, characterized by a control device which is set up in order to be actuated to activate and deactivate the protection such that the electronic brake system is activated so as to bring about protection by means of the brake assembly and thus to brake the trailer by means of the brake assembly if unauthorized removal is attempted. | 02-04-2010 |
20110233895 | Connection Arrangement for a Trailer Vehicle and Trailer Vehicle - The invention relates to a connection arrangement for a trailer vehicle and to a trailer vehicle. The connection arrangement ( | 09-29-2011 |
20110257840 | CONTROL ARRANGEMENT FOR A TRAILER VEHICLE - The invention relates to a control arrangement for a trailer vehicle and to a trailer vehicle. The control arrangement according to the invention comprises a brake system, a lighting system ( | 10-20-2011 |
20110272916 | Connection Arrangement for a Trailer Vehicle and Trailer Vehicle - The invention relates to a connection arrangement for a trailer vehicle and to a trailer vehicle. The connection arrangement ( | 11-10-2011 |
20110315848 | Number Plate Holder - The invention relates to a number plate holder ( | 12-29-2011 |
20120072055 | Program Functions That Can Be Activated and Deactivated - The invention relates to an electronic control device for a vehicle, further to a system for activating program functions thereof, and to a corresponding method for the same. The invention allows subsequent activation, optionally at a cost, of program functions, particularly allowing commerce in such program functions. To this end, an electronic control device ( | 03-22-2012 |
20120283925 | Method for Signaling a Brake Process at a Trailer Vehicle, Control Device for this Purpose and Dynamo System, Trailer Vehicle Brake System and Trailer Vehicle with Said Control Device - The invention relates to a method for signalling a braking process at a trailer vehicle ( | 11-08-2012 |
20120323443 | Connecting Device for a Towed Vehicle, and Towed Vehicle Having a Connecting Device - The invention relates to a connecting device ( | 12-20-2012 |
20130116905 | Monitoring System for Monitoring the Surrounding Area, in Particular the Area Behind Motor Vehicles - The invention relates to a monitoring system for monitoring the surrounding area, in particular the area behind motor vehicles and trailer vehicles having a plurality of distance sensors, which are arranged in a main plane and in at least one additional plane, for detecting objects or obstacles in the respective monitoring region ( | 05-09-2013 |
20130119637 | Method and Device for Adjusting the Supporting Load of a Central Axle Trailer - For adjusting the supporting load of a central axle trailer equipped with at least two axles having pneumatic suspensions and a pneumatic suspension system that includes separate pneumatic suspension circuits on the axles with pneumatic suspensions, a method and electronic control device are provided by which the respective quantities of air are separately adjustable. When the current supporting load exceeds a permitted supporting load range, the current supporting load is reduced by separate alteration of the quantity of air in at least one of the pneumatic suspension circuits; and, when the current supporting load is below the permitted supporting load range, the current supporting load is increased by separate alteration of the quantity of air in at least one of the pneumatic suspension circuits. | 05-16-2013 |
20130162461 | Environment Monitoring System for a Vehicle - The invention relates to an environment monitoring system ( | 06-27-2013 |
20130166158 | Method, System and Control Device for Controlling a Compressed Air Controlled Brake System - The invention relates to a method for controlling a compressed-air-controlled brake system of a utility vehicle ( | 06-27-2013 |
20130186211 | Sensor Mounting for a Distance Sensor - The invention relates to a sensor mounting ( | 07-25-2013 |
20140149002 | Electronic Brake Control Device for a Vehicle - An electronic, brake control device for a vehicle includes one or more output connections for activating one or more vehicle components that are not part of the vehicle brake system. The electronic brake control device includes a memory, which has at least one memory location for storing operational data of a vehicle component that is connected to a respective output connection. The electronic brake control device is configured to detect data characterizing the operation of the connected vehicle component, collect the data as an overall operating value of the vehicle component, and store the data in the assigned memory location. | 05-29-2014 |
20140172261 | Method for Signaling a Braking Process on a Trailer Vehicle, Control Device, and Trailer Vehicle - In a method for signaling a braking process on a trailer vehicle coupled to a towing vehicle, at least one light on the trailer is actuated with an emergency brake signal during emergency braking and with a normal signal during a different driving state. The emergency brake signal causes a different actuation of the light than does the normal signal. The light can be actuated by a control signal of the towing vehicle, and the actuation state of the light can be influenced by at least one control device on the trailer. The control device detects the control signal generated by the towing vehicle and fed to the trailer to actuate the light, and analyzes the control signal. If it detects that the control signal is an emergency brake signal, it does not carry out a dedicated actuation of the light, or it effects a different actuation of the light than in other cases. | 06-19-2014 |
20140207354 | Rear Area Monitoring Device for a Vehicle, Electronic Control Unit and Vehicle Having a Rear Area Monitoring Device - A rear area monitoring device for a vehicle includes one or more distance sensors configured, to determine the distance of the rear of the vehicle from an obstacle, and at least one electronic control device configured to evaluate the data collected by the distance sensor and to determine a distance signal that indicates the current distance of the rear of the vehicle from the obstacle. The electronic control device includes at least one input connection for a position sensor configured to detect the position of at least one adjustable vehicle component that, in certain positions projects beyond the rear of the vehicle. The electronic control device is configured to determine the distance sign depending upon the signal of the position sensor. | 07-24-2014 |
20140214299 | Method for Warning the Driver of a Vehicle of a Risk of Overturning and Control Device Therefor - In a method for warning a vehicle driver of a risk of the vehicle overturning about its longitudinal axis, a control device detects the current transverse acceleration of the vehicle and emits a warning signal based thereon when a risk of overturning is presented. | 07-31-2014 |
20140297149 | Method for Checking Vehicle Tyres and Control Unit for Carrying out the Method - In a method for checking vehicle tires, wheel sensor signals of at least one wheel of the vehicle are recorded over a time period, and a comparative value is determined to indicate a travel distance of the wheel. A reference travel distance covered by the vehicle in the time period is determined independently of the wheel sensor signals, and an individual ratio value of the wheel is formed from the wheel travel distance and the reference travel distance. The behavior of the ratio value over time is determined, and a determination is made concerning changes to the tire of the wheel. | 10-02-2014 |
Patent application number | Description | Published |
20090255447 | TABLE GUIDED BY AEROSTATIC BEARING ELEMENTS FOR VACUUM APPLICATION - The invention is directed to a table for vacuum application which is guided by means of aerostatic bearing elements, having a fixedly mounted supporting structure and a tabletop which is displaceable in x-direction and y-direction with respect to the fixedly mounted supporting structure by means of slides. The slides are provided with the aerostatic bearing elements for guiding, these aerostatic bearing elements being connected to feed lines for supplying the gas required for the operation of the gas bearings and suction lines for removing this gas. The suction lines comprise at least one variable-length line arrangement having a first pipe member and a second pipe member which penetrate one inside the other without contacting, at least one sealing gap being provided between the pipe members. | 10-15-2009 |
20100061667 | AEROSTATIC BEARING ARRANGEMENT AND ASSOCIATED ELECTROSTATIC PRELOADING UNIT, PARTICULARLY FOR VACUUM APPLICATION - A proposed aerostatic bearing arrangement for moving a device on a base structure, particularly in a vacuum environment, has at least one aerostatic bearing element comprising a bearing body having a load-carrying zone and a suction area. An electrostatic preloading unit having at least one electrode is associated with the at least one aerostatic bearing element, and a voltage can be applied to the electrode in such a way that a force component is generated in direction of the surface normal of the bearing body of the aerostatic bearing element. | 03-11-2010 |
20100122603 | Aerostatically Guided Table System for Vacuum Application - A table system for vacuum application has a base plate and a moving table guided by aerostatic bearing units. The bearing units ( | 05-20-2010 |
20100265485 | Flexibly Deformable Holding Element For Substrates - Flexibly deformable holding elements operate such that substrates can be held in a fixed manner at a surface of the holding element electrostatically or also by means of negative pressure and planar positional deviations or unwanted deformations can be compensated simply and reliably, where at least one cut-out having an opening arranged at the rear side is formed at the rear side of the holding element which is disposed opposite the surface, and an actuator is arranged there exerting compressive forces or pulling forces for a widening or narrowing of the cut-out and/or for a deformation of the holding element. | 10-21-2010 |
20120236400 | METHOD FOR PRODUCING AN OPTICAL ASSEMBLY HAVING AT LEAST TWO OPTICAL FUNCTIONAL SURFACES, AN OPTICAL DEVICE AND UNIT FOR CARRYING OUT THE METHOD - The invention relates to a method for producing an optical assembly, comprising at least two optical functional surfaces arranged in a fixed positional relationship to one another on a common supporting structure, wherein by means of a processing machine, in various process steps, at least two optical functional surfaces and at least one reference structure having a defined and measurable relative position to the optical functional surfaces are produced. The supporting structure remains rigidly connected to the processing machine until said process steps have been completed, and wherein the optical functional surfaces are then measured relative to the at least one reference structure, and any deviation from a target shape and target position is determined, after which said process steps are repeated at least once with modified actuation of the processing machine. The invention further relates to an optical device comprising an optical assembly produced in this way and to a unit for carrying out such a method. | 09-20-2012 |
20130057952 | SUBSTRATE MADE OF AN ALUMINUM-SILICON ALLOY OR CRYSTALLINE SILICON, METAL MIRROR, METHOD FOR THE PRODUCTION THEREOF, AND USE THEREOF - The invention relates to a substrate made of an aluminium-silicon alloy or crystalline silicon to which a polishable layer is applied and also to a metal mirror which comprises this substrate. Furthermore, the invention relates to a method for the production of metal mirrors and also the use of the metal mirror according to the invention. | 03-07-2013 |
20130327093 | METHOD OF PRODUCING LIGHTWEIGHT STRUCTURAL ELEMENTS - The invention relates to a method of producing lightweight structural elements which are produced as a composition construction element having at least one cover plate and one carrier element which are connected to one another. A carrier element, at which at least one apertures and/or at least one cut-out is/are formed and at least one further element, which is a cover plate, are connected to one another. A carrier element and at least one cover plate can be formed from a glass, a glass ceramic material, a ceramic material and/or silicon having an oxide surface layer which is formed at least in the bonding region of the elements to be connected to one another. The carrier element should have at least a double thickness with respect to the thickness of a cover plate. The surfaces of the cover plate(s) and of the carrier element to be connected to one another should be intensely cleaned in their bonding regions and should be smoothed such that a roughness of the surface is achieved there, such that they are in direct touching contact with at least 80% of their bonding surface with an active compression source and in this respect a thermal treatment is carried out at a temperature of at least 100° C. and maintaining of the temperature over a period of at least 0.5 h to establish a bond connection of the cover plate(s) and the carrier element. In this respect, at least one cover plate should be connected to a surface of the carrier element at which at least one opening of an aperture or of a cut-out is arranged. | 12-12-2013 |
20140247512 | METHOD FOR MANUFACTURING A MIRROR COMPRISING AT LEAST ONE CAVITY AND OPTICAL MIRROR - The invention relates to a method for manufacturing a light weight optical mirror or a monolithic mirror comprising at least one cooling channel, the method comprising forming a mirror body by iteratively depositing a metallic powder in layers and applying, for each of the layers, heat at least in a subarea of this layer, thereby fusing or sintering the powder in this subarea and bonding it to a previously deposited layer, the powder remaining in an unfused state in at least one region, the method further comprising forming at least one cavity within the carrier by removing the unfused powder from said region and producing a mirror surface at a closed surface of the mirror body. The invention further relates to an optical mirror and to an optical device. | 09-04-2014 |