| BAUMULLER NURNBERG GMBH Patent applications |
| Patent application number | Title | Published |
| 20120111163 | Variable Folding System Comprising Linear Drives, Especially For Printing Machines - A method for producing individual material sections, particularly sheets of paper, according to a certain format, from a web-type, for example imprinted object (object web), more particularly a web of paper or material, using a cutting means for cutting off the individual material sections from the object web and then removing said sections from the cutting means, wherein during the course of actuation of the cutting means at least one carrier is engaged with the object web, wherein following the cutting process, the carrier is displaced, together with the object web gripped by said carrier, by means of a controllable linear drive, over a displacement stroke, which is adjusted and/or varied in a controlled manner by the linear drive according to a section format that is predefined for the material section. | 05-10-2012 |
| 20120038311 | Apparatus And Method For Rotating-Sensorless Identification Of Mechanical Parameters Of A Three-Phase Asynchronous Motor - A method for the identification without shaft encoder of magnetomechanical characteristic quantities of a three-phase asynchronous comprising: constant voltage impression U | 02-16-2012 |
| 20120038303 | Apparatus And Method For Sensorless Identification Of Rotating Electrical Equivalent Circuit Parameters Of A Three-Phase Asynchronous Motor - Identification of electrical equivalent circuit parameters ( | 02-16-2012 |
| 20120038299 | Apparatus And Method For Rotating-Sensor-less Identification Of Magneto-Mechanical Parameters Of An AC Synchronous Motor - A method for the identification without a shaft encoder of magnetomechanical characteristic quantities, in particular the mass moment of inertia J and the permanent magnetic flux ψ | 02-16-2012 |
| 20120038298 | Apparatus And Method For Rotating-Sensorless Identification Of Equivalent Circuit Parameters Of An AC Synchronous Motor - Identification without shaft encoder of electrical equivalent circuit parameters of a three-phase asynchronous motor comprising: standstill position search of the rotor, so that the d flux axial direction of the rotor is aligned opposite the α axial direction of the stator; test signal voltage supply U | 02-16-2012 |
| 20110157944 | TEMPERATURE MONITORING FOR CIRCUIT BREAKERS - Method for detecting and/or monitoring the temperatures of at least two electronic power switches, in particular semi-conductor power switches that are coupled with or arranged on a common cooling body, whereby a temperature detection and/or monitoring is carried out by means of a temperature model each allocated to a switch, in which switch and operating parameters as well as temperature measurement values are processed for calculating the temperature and/or a temperature difference in the relevant switch, whereby a temperature measurement value from a temperature sensor is used as an input parameter for the temperature model, the same being centrally positioned between at least two switches and standing in a heat conducting connection with the cooling body. | 06-30-2011 |
| 20110083834 | COOLING JACKET, ESPECIALLY FOR ELECTRICAL MACHINES AND METHOD FOR THE MANUFACTURE THEREOF - The invention relates to cooling jackets and/or heat exchangers, which are to be placed in contact with solid products that are to be cooled, especially with electrical machines with a rotor rotating inside or outside a stator, or in contact with reactors or containers. Said jackets and/or heat exchangers have an inner wall and an outer wall which form the boundary of a flow cavity that is provided with inlet and outlet means for a cooling medium and conducting means in order to form and/or limit at least one flow path for the cooling medium between the inner wall and the outer wall from the inlet means to the outlet means. According to the invention, opposing individual flat places or flat sections of the inner wall and the outer wall are in contact with one another within the confines of said walls and passages for the cooling medium remain between the contacting flat places of flat sections. One or more elevations and depressions alternate on one or more external sides or an outer casing of the inner or outer wall, wherein adjoining flat places or flat sections are permanently connected over individual joints and/or elongated joint sections. | 04-14-2011 |
| 20110004420 | Method for Identification of an Electric Drive System to be Modeled as a Multimass Oscillator and/or for Detection of Damage in Bearings and/or on Elements Susceptible to Wear and a Corresponding Device and Electric Drive System - A method for identification of an electric drive system to be modeled as a multimass oscillator and/or for detection of damages in bearings and/or on elements susceptible to wear in an electric drive system, whereby a mechanical angular velocity of the electric drive system is determined in a sensorless method as part of the present method, and signal processing is performed on the basis of correlograms and/or Welch's method, using the mechanical angular velocity determined without a sensor, such that the frequency response of the mechanics of the electric drive system is determined as part of the signal processing, the data thereof being used for determination of at least one parameter of the electric drive system. | 01-06-2011 |
| 20110001448 | Method For The Automated Startup And/Or For The Automated Operation Of Controllers Of An Electrical Drive System With Vibrational Mechanics As Well As An Associated Device - Method for the automated startup and/or for the automated operation of controllers of an electrical drive system with vibrational mechanics with the following steps:
| 01-06-2011 |
| 20090102402 | CONTROLLED ELECTRIC MOTOR ARRANGEMENT FOR A TENSION MECHANISM - A field-oriented control method for an electric drive comprising a plurality of electric motors, for implementing a tension mechanism, especially for load cable and/or gearing means, using measurements of a polyphase motor actual current. The measured values are transformed into a direct current component and a quadrature current component, based upon a magnetic rotor field or flux angle, in a rotor flux-based d,q coordinate system. The quadrature and direct current components from the actual current are subjected to a comparison with predetermined quadrature and direct current components of a current command value. The method has the following steps:
| 04-23-2009 |
| 20090039810 | SYSTEM FOR SEAMLESS ESTIMATION OF SPEED AND/OR POSITION, INCLUDING STANDSTILL OF A PERMANENT MAGNET ROTOR OF AN ELECTRIC MOTOR - Procedure for determining the electrical drive speed (ω | 02-12-2009 |
| 20090030645 | SYSTEM FOR ESTIMATION OF POSITION AND SPEED IN A PERMANENT MAGNET ROTOR OF AN ELECTRICAL MOTOR - Procedure for estimating the electrical drive speed and position of a permanent magnet rotor of a brushless electrical linear or rotating motor, especially for a drive control circuit, using multi-phase current measurements on the motor, whose measurement values, depending on the estimated position, are transformed into a rotor-related d,q reference frame i.e. into a direct current vector component and a quadrature current vector component, and the direct and quadrature vector components of current and a voltage, together with the estimated speed, are fed as input variables to a mathematical motor model, and the motor model generates a first output variable and a second output variable, whereby the first output variable in the d,q reference frame corresponds to the d or direct vector component as well as to a position estimation error, and the second output variable in the d,q reference frame corresponds to the q or quadrature component as well as to a speed estimation error, and the two output variables are fed to a tracking controller for estimating and outputting the position and/or speed, whereby from the motor model a third output variable is computed, by
| 01-29-2009 |