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| Number | Title | Issue Date |
| 8148640 | Insulating element for busbars and insulating and supporting device for busbars compromising this element The present invention relates to an insulating element (1) for producing an insulating and supporting device for busbars to install in cabinets for low voltage distribution switchboards. The invention also relates to an insulating and supporting device for bu... | 04/03/2012 |
| 8131485 | Method for fault location in electric power lines A method for locating faults in three-terminal and multi-terminal power lines, applicable in electric power systems for overhead and underground cable transmission and distribution lines. The inventive method is characterized in that it measures current for fault an... | 03/06/2012 |
| 8125751 | Method for sectioning with a section switch a medium-voltage electric power distribution line exhibiting a disturbance, section switch for medium-voltage electric power distribution line applicable thereon and electronic circuit for detecting a fault current and comprised by said section switch A method for sectioning a medium-voltage distribution electric line evidencing a disturbance using a section switch. The steps are: (a) detecting a current having an amplitude and a wave form profile in the medium-voltage line; (b) analyzing the wave form profile to... | 02/28/2012 |
| D652389 | Electrical linear drive decelerator | 01/17/2012 |
| 8079143 | Method and apparatus for engine piston installation by use of industrial robots A method and apparatus for engine piston installation in which robots are used for the entire engine piston installation process. A first robot equipped with a stuffing gripper and force control picks up a piston with a connection rod, detects the piston ring presen... | 12/20/2011 |
| 8060234 | Accurate tracking of web features through converting processes There is described a method and apparatus for tracking the location of web features through a converting process, one application of which can involve tracking paper defects from a paper machine as detected by a camera system, to a winder where the sheet is wound to... | 11/15/2011 |
| 8014965 | Spectral estimation of spectrometers time-sampled signals using fast implementation of the reverse non-uniform discrete fourier transform A spectrometric system has a primary channel with a signal waveform and a reference channel with a signal waveform. A digital representation of the primary signal waveform and a digital representation of the reference signal waveform to provide a digital output repr... | 09/06/2011 |
| 8007312 | Modular test plug A modular test plug assembly is disclosed having a design which may be arranged in a plurality of different configurations. The test plug assembly includes a plurality of modules, having blades for insertion into a test switch assembly. The modules are positioned in... | 08/30/2011 |
| 8000933 | Method and apparatus for showing data representative of the accuracy of operations of a high-voltage switchgear A method and an apparatus for showing data representative of the accuracy of switching operations executed by a high-voltage switchgear which is operatively coupled to a power line and to a synchronous switching device. Data related to switching operations executed ... | 08/16/2011 |
| 7904266 | Method and apparatus for calculating the separation time of arcing contacts of a high-volume switchgear A method and an apparatus for calculating the separation time of the arcing contacts of a high-voltage switchgear which is operatively coupled to a synchronous switching device and to an auxiliary switch having auxiliary contacts operatively connected to the arcing ... | 03/08/2011 |
| 7889342 | Web measurement device A sensor is provided that measures web caliper using optical and magnetic measuring devices. The optical measuring devices may employ a confocal chromatic aberration method to accurately determine the distance to the moving web and the magnetic devices may be ferrit... | 02/15/2011 |
| 7864675 | Automation device The invention relates to an automation device (100, 100′), with which a multiplicity of physically distributed functional units communicate with each other by means of a common transmission protocol. The device has a microcontroller (110), which is a... | 01/04/2011 |
| 7859809 | Test plug with overvoltage protection A test plug for use with protective relays has a circuit that when it detects an overvoltage on the secondary side of a current transformer limits the overvoltage amplitude and the occurrence of the overvoltage to a predetermined number of peaks that are less than a... | 12/28/2010 |
| 7832079 | Method for producing a vacuum interrupter The invention relates to a vacuum interrupter chamber and a method for producing the same according to the preambles of patent claims 1 and 3. In order here to improve a vacuum interrupter chamber of this type and a method for producing the same and th... | 11/16/2010 |
| 7751166 | Advanced feeder architecture with automated power restoration A method and apparatus for restoring power to loads connected to a feeder powered by a power source. The feeder is provided with a plurality of switching devices and a master electronic device which is in operative communication with the switching devices and has a ... | 07/06/2010 |
| 7720625 | Method of testing the installation of a measuring device The invention relates to a method for operating a measuring device, especially a flowmeter. The aim of the invention is to simplify inspection if the sensors have been correctly installed. For this purpose, the installation state is detected by the sensors themselve... | 05/18/2010 |
| 7679035 | Method and apparatus for water-cooling power modules in an induction calendering control actuator system used on web manufacturing processes An induction heating system used on web manufacturing processes has one or more workcoils each with an associated power module. The power modules are cooled using water. In one embodiment the power modules and the workcoils are in physical contact with a full width ... | 03/16/2010 |
| 7593106 | Independent measurement of dual sided properties of sheet material A dual sided sheet surface property sensor has the capability to simultaneously measure both sides of a moving sheet at the same location of the sheet on the top and bottom surfaces of the sheet. The energy directed to each side of the sheet may include UV, visible ... | 09/22/2009 |
| 7584013 | Method and apparatus for achieving a fast cross direction caliper control recovery time Fast cross direction caliper control recovery time in a sheet making machine during startup of the machine after a sheet break is achieved provided that a preselected time duration measured from the occurrence of the sheet break to the clearing of sheet break has el... | 09/01/2009 |
| 7558032 | Protection system for medium-voltage potential transformers A protection system for a transformer system that includes three single phase transformers with auxiliary secondary windings, respectively. The auxiliary secondary windings are connected to form an open delta configuration. The protection system is connected into th... | 07/07/2009 |
| 7558031 | Intelligent automatic bypass for a motor control device An intelligent automatic bypass for a motor control device determines if a fault that is occurring is a restricted or non-restricted fault. A restricted fault is one that may damage or destroy the motor if an automatic switch to bypass is allowed to occur for all fa... | 07/07/2009 |
| 7509877 | Electrode with electrode surface for magnetically inductive flow meter The invention relates to a special electrode surface for electrodes of a flow measuring device. In order to provide more measurement reliability for abrasive substances to be measured, for example in multiphase substances to be measured, according to the invention t... | 03/31/2009 |
| 7505861 | Method for monitoring the installation of a measurement device The invention relates to a method for monitoring a measurement device, in particular a flow measurement device, and to a measurement device itself. In order in this case to reliably preclude measurement errors resulting from incorrect installation, the invention pro... | 03/17/2009 |
| D585388 | Test switch | 01/27/2009 |
| 7480055 | Two-beam interferometer for fourier transform spectroscopy with double pivot scanning mechanism A two-beam interferometer for Fourier Transform spectroscopy has a double pivot scanning mechanism. The interferometer has two rigid pendulums that are each rotatable to swing around an associated one of distinct axes of rotation. A linkage links the two rigid pendu... | 01/20/2009 |
| D583334 | Test switch | 12/23/2008 |
| 7447552 | Common transmission protocol system for an automation device An automation device is disclosed, in which a multiplicity of physically distributed functional units communicate with each other by means of a common transmission protocol. The device has a microcontroller (110), which has a group of associated input/output ... | 11/04/2008 |
| 7446491 | Intelligent power management for actuators A system and method is disclosed for intelligent power management of actuators such as those used in papermaking. Multiple power supply units are connected to a common power bus. The power bus is connected at predetermined locations to a communications bus. The comm... | 11/04/2008 |
| 7404335 | Magnetoinductive flowmeter with galvanic measurement electrodes having a head section of a noble material A magnetoinductive flowmeter having a measurement tube (1), through which a flowable medium (3) flows, with a magnet unit (4a, 4b) which is arranged on the outside of the measurement tube (1) and produces a magnetic f... | 07/29/2008 |
| 7373841 | Coriolis mass flowmeter determining state of wear of the pipe The invention concerns a Coriolis mass flowmeter comprising at least one conduit (9) traversed by the mass, which produces mechanical vibrations under the effect of an excitation unit (8) and acts as an oscillating element, whereof the oscillating beha... | 05/20/2008 |
| 7358781 | Automation device with stored profile The invention relates to an automation device, in which a multiplicity of physically distributed functional units communicate with each other by means of a common transmission protocol. The device has a microcontroller (110), which is assigned at least one cl... | 04/15/2008 |
| 7349819 | Method for providing robustness to the solution of the cubic equation of state The cubic equations of state (CEOS) relate pressure, temperature and molar volume of a mixture. The deviation of the physical properties of a mixture from ideality is expressed by the compressibility factor. The compressibility factor is calculated from the CEOS. Th... | 03/25/2008 |
| 7340323 | Industrial robot with controlled flexibility and simulated force for automated assembly An industrial robot that uses a simulated force vector to allow a work piece held by the robot end effector to be mated with a work piece whose location and orientation is not precisely known to the robot. When the end effector makes contact with the location and or... | 03/04/2008 |
| 7336338 | Liquid-crystal indicator of voltage presence The subject of the invention is a liquid crystal indicator of voltage presence in electric conductors and equipment. The device is used to indicate the presence of an AC voltage, especially in medium and high voltage systems. The indicator according to the invention... | 02/26/2008 |
| D558687 | Test switch | 01/01/2008 |
| D558147 | Medium and high voltage switch | 12/25/2007 |
| 7302752 | Method of manufacturing an extended test switch A method of making and using an extended test switch starting with a previously existing un-extended test switch that is ready for connection to electrical devices to be tested. A housing selected from one or more available housings each having a predetermined lengt... | 12/04/2007 |
| D556696 | Medium and high voltage switch | 12/04/2007 |
| 7299143 | Method and apparatus for improving operational reliability during a loss of a phase voltage The present invention is directed to a method and apparatus for improving operational reliability during a loss of a phase voltage (LOV) in a multi-phase power system, wherein a voltage representative of the LOV phase is calculated. The representative voltage is use... | 11/20/2007 |
| 7298055 | Auxiliary power supply for a wind turbine A wind turbine having a nacelle, a generator and a high voltage transformer which are connected to each other and are located inside the nacelle. The wind turbine is provided with a low voltage power supply source which is located remotely from the high voltage tran... | 11/20/2007 |
