Johansson, Vasteras
Claes-Goran Johansson, Vasteras SE
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20140169888 | Method And An Apparatus For Attenuating Pressure Pulses - An apparatus and a method for attenuating water pressure pulses generated during sea piling when a percussion mechanism is used, including the stage of driving at least one pile into an earth by a percussion mechanism, while along at least a part of its axial extension, the pile is surrounded by water and at least partly by a tubular outer sleeve; and at least one gas-filled space is provided between the inner periphery of the outer sleeve and the outer periphery of the pile. The apparatus includes mechanisms for providing the gas-filled space. | 06-19-2014 |
Erik Johansson, Vasteras SE
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20130125691 | INDUSTRIAL ROBOT TRANSMISSION SYSTEM, AND INDUSTRIAL ROBOT AND A METHOD FOR ABSORBING MOISTURE - An industrial robot and an industrial robot transmission system for the transmission of movement to a robot part, including a motor and a gearbox containing a lubricant. The gearbox is provided with an integrated moisture absorbing device including a moisture absorbing material adapted to absorb moisture contained in the gearbox. The invention is also related to a method for preventing the deterioration of a lubricant due to absorption of moisture, inside an industrial robot used in surroundings with high humidity, which is characterized by integrating a moisture absorbing device including a moisture absorbing material in a robot part containing the lubricant. | 05-23-2013 |
20140234064 | Sealing System, An Industrial Robot With A Sealing System, And Method For Providing A Sealing Surface - A sealing system including a rotary sealing surface on a rotary shaft and a rotary shaft lip seal, of which the rotary sealing surface has a surface coating layer of a solid lubricant substance. The invention further includes an industrial robot having several axes of rotation, including a manipulator with drive units for rotating robot parts according to the axes of rotation of the robot, and at least one of the drive units having a rotary shaft provided with such a sealing system. In addition, the invention includes a method for providing a rotary sealing surface on a rotary shaft, including coating the intended sealing surface of the rotary shaft with a surface coating layer of a solid lubricant substance. | 08-21-2014 |
20150155115 | Method And Device For Switching A Contactor - A low voltage contactor for connecting and disconnecting a three-phase load to an electric power including a coil, main contacts operated by the coil and an electronic control circuit for controlling voltage supplied to the coil. The electronic control circuit includes a pre-arranged time point selection scheme and is further adapted to select a time point from the pre-arranged time point selection scheme as a time delay, and initiate an instant opening command based on the selected time point. | 06-04-2015 |
Gunnar Johansson, Vasteras SE
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20150155115 | Method And Device For Switching A Contactor - A low voltage contactor for connecting and disconnecting a three-phase load to an electric power including a coil, main contacts operated by the coil and an electronic control circuit for controlling voltage supplied to the coil. The electronic control circuit includes a pre-arranged time point selection scheme and is further adapted to select a time point from the pre-arranged time point selection scheme as a time delay, and initiate an instant opening command based on the selected time point. | 06-04-2015 |
Lennart I. Johansson, Vasteras SE
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20130058449 | FUEL ASSEMBLY, A GUIDE THIMBLE DEVICE AND USE OF THE GUIDE THIMBLE DEVICE - The invention refers to a fuel assembly comprising a lower end structure, an upper end structure including a top nozzle ( | 03-07-2013 |
Nicklas Johansson, Vasteras SE
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20150295509 | METHOD AND ASSOCIATED TRANSMISSION SYSTEM - It is presented a method executed in a transmission system, the transmission system comprising an AC grid, a DC grid and at least two AC/DC converters connected between the AC grid and DC grid. The method comprises the steps of: obtaining set points for each one of the at least two AC/DC converters, each set point comprising a magnitude and direction of power through the respective AC/DC converter during normal operation generating, based on the set points, a virtual AC grid, the virtual AC grid corresponding to AC behaviour of the DC grid, as viewed from each AC side of the at least two AC/DC converters; and controlling the at least two AC/DC converters to mimic a behaviour in accordance with the virtual AC grid. A corresponding transmission system is also presented. | 10-15-2015 |
Nils Johansson, Vasteras SE
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20140364969 | Method For Providing A Navigation Tool Of A User Interface For An Industrial Control System - A method for providing a navigation tool of a user interface for an industrial control system. The control system is arranged with a plurality of process graphics including one or more software objects. The software objects are arranged in hierarchical groups each representing a process, part-process or an equipment, in which materials are moved and/or processed in a predetermined order. The navigation tool includes a graphic image or map showing the plurality of process graphics symbolically arranged as a plurality of nodes. Each node is spatially arranged at a given distance from the centre of the map according to a hierarchical relationship between the process graphics, and the map is displayed superimposed on top of the process graphic currently displayed on the workstation. A computer program and a workstation are also described. The node representing the currently open process graphic is shown by a visual indicator. | 12-11-2014 |
20150127198 | Ship Having A Window As Computer User Interface - A method of controlling a ship as well as to a ship, where the ship includes at least one data collecting unit configured to collect operational data of the ship, at least one control computer for controlling an operation aspect of the ship, at least one window facing a view used in the control, and at least one actuating unit for actuating a control aspect of the ship. The at least one window includes a touch screen on which operational data obtained from the data collecting unit is presented and via which a control command can be entered for controlling the ship. | 05-07-2015 |