Patents by Inventor Pertti Seväkivi
Pertti Seväkivi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11602061Abstract: A field of enclosures for electronics and electrical components within electric devices, such as electric drive devices for industrial applications, e.g. for working machine and marine applications, and more particularly to an electronics enclosure arrangement for an electric device, and to an electric device. The electronics enclosure arrangement according to the present invention is arranged for an electric device, the electric device including one or more circuit boards and electronics components assembled on the one or more circuit boards, wherein the electronics enclosure arrangement includes an electronics enclosure cover; and an at least one volume element part, arranged in the space between the electronics enclosure cover and the one or more circuit boards with the electronics components.Type: GrantFiled: May 18, 2021Date of Patent: March 7, 2023Assignee: ABB Schweiz AGInventors: Hanna Rapinoja, Pertti Seväkivi, Teemu Salmia
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Patent number: 11406040Abstract: A heat exchanger comprising a body part and a cooling fin system having an inlet end and an outlet end. The cooling fin system has a plurality of cooling fins, and is adapted to provide a flow path for a coolant flow through the cooling fin system in a longitudinal direction. The coolant flow is adapted to enter the cooling fin system through an inlet surface of the cooling fin system. The inlet surface of the cooling fin system is a non-planar surface.Type: GrantFiled: December 7, 2020Date of Patent: August 2, 2022Assignee: ABB Schweiz AGInventors: Pertti Seväkivi, Niko Björkman
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Publication number: 20210368638Abstract: A field of enclosures for electronics and electrical components within electric devices, such as electric drive devices for industrial applications, e.g. for working machine and marine applications, and more particularly to an electronics enclosure arrangement for an electric device, and to an electric device. The electronics enclosure arrangement according to the present invention is arranged for an electric device, the electric device including one or more circuit boards and electronics components assembled on the one or more circuit boards, wherein the electronics enclosure arrangement includes an electronics enclosure cover; and an at least one volume element part, arranged in the space between the electronics enclosure cover and the one or more circuit boards with the electronics components.Type: ApplicationFiled: May 18, 2021Publication date: November 25, 2021Inventors: Hanna Rapinoja, Pertti Seväkivi, Teemu Salmia
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Publication number: 20210176892Abstract: A heat exchanger comprising a body part and a cooling fin system having an inlet end and an outlet end. The cooling fin system has a plurality of cooling fins, and is adapted to provide a flow path for a coolant flow through the cooling fin system in a longitudinal direction. The coolant flow is adapted to enter the cooling fin system through an inlet surface of the cooling fin system. The inlet surface of the cooling fin system is a non-planar surface.Type: ApplicationFiled: December 7, 2020Publication date: June 10, 2021Inventors: Pertti Seväkivi, Niko Björkman
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Patent number: 10251305Abstract: A cooling element comprising a cooling body, the cooling body comprising a first surface and a second surface, the first surface and the second surface being on the opposing sides of the body and the distance between the first and second surfaces defining the height of the cooling body, multiple of channels for cooling liquid arranged inside the cooling body, the channels extending in a longitudinal direction of the cooling body, wherein the channels are arranged in two layers in the direction of the height of the cooling body inside the cooling body and the cooling element is adapted to hold electronic components on the first surface and on the second surface for cooling electronic components on both surfaces.Type: GrantFiled: October 27, 2016Date of Patent: April 2, 2019Assignee: ABB Schweiz AGInventors: Pertti Seväkivi, Niko Björkman, Juha Viljasalo
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Publication number: 20170347483Abstract: An electrical device comprising a frame, a first wall connected to the frame, a power converter adapted to convert electric energy from one form to another, the power converter comprising at least one power converter element, and a controller adapted to control the power converter, the controller comprising at least one controller element. The first wall is pivotally connected to the frame about a first pivoting axis such that the first wall is adapted to pivot between a first position in which the first wall is adapted to protect the at least one controller element, and a second position which is adapted to provide an access to the at least one controller element for maintenance and repair.Type: ApplicationFiled: May 25, 2017Publication date: November 30, 2017Inventors: Pertti Seväkivi, Niko Björkman
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Publication number: 20170118868Abstract: A cooling element comprising a cooling body, the cooling body comprising a first surface and a second surface, the first surface and the second surface being on the opposing sides of the body and the distance between the first and second surfaces defining the height of the cooling body, multiple of channels for cooling liquid arranged inside the cooling body, the channels extending in a longitudinal direction of the cooling body, wherein the channels are arranged in two layers in the direction of the height of the cooling body inside the cooling body and the cooling element is adapted to hold electronic components on the first surface and on the second surface for cooling electronic components on both surfaces.Type: ApplicationFiled: October 27, 2016Publication date: April 27, 2017Inventors: Pertti Seväkivi, Niko Björkman, Juha Viljasalo
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Patent number: 9385590Abstract: A method and arrangement are disclosed for a vehicle inverter drive having a voltage distribution block and two or more inverters, intermediate circuits of which are connected in parallel to the voltage distribution block for supplying voltage to the intermediate circuits, in which the intermediate circuits of the inverters are interconnected with a coaxial cable to minimize inductance in the parallel connection.Type: GrantFiled: November 13, 2013Date of Patent: July 5, 2016Assignee: ABB Technology OYInventors: Markku Talja, Pertti Seväkivi
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Patent number: 9245686Abstract: A capacitor fastening for fastening a capacitor to a panel, whereby the capacitor, when mounted in place, is positioned in the panel, fastened at its lower part. The capacitor fastening includes a retainer in the panel at the mounting point of the capacitor for preventing lateral movement of the capacitor in at least one selected direction; a tightening plate arranged above the panel and to be fastened to the panel, which tightening plate has a hole substantially corresponding to the diameter of the capacitor above the mounting point of the panel; and a wedge between the panel and the tightening plate for tightening the retainer of the panel and the edge of the hole in the tightening plate from opposite directions against the capacitor.Type: GrantFiled: November 9, 2012Date of Patent: January 26, 2016Assignee: ABB TECHNOLOGY OYInventors: Pertti Seväkivi, Niko Björkman
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Publication number: 20140152210Abstract: A method and arrangement are disclosed for a vehicle inverter drive having a voltage distribution block and two or more inverters, intermediate circuits of which are connected in parallel to the voltage distribution block for supplying voltage to the intermediate circuits, in which the intermediate circuits of the inverters are interconnected with a coaxial cable to minimize inductance in the parallel connection.Type: ApplicationFiled: November 13, 2013Publication date: June 5, 2014Applicant: ABB OyInventors: Markku TALJA, Pertti SEVÄKIVI
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Publication number: 20130320896Abstract: An arrangement for a modular inverter includes a number of power semiconductors and cooling elements, where the cooling elements are connected to the power semiconductors for cooling the power semiconductors. The power semiconductors and the cooling elements are disposed around a center axis of the arrangement in such a manner that they demark a channel around the center axis in which a cooling medium is able to flow in the direction of the center axis. The arrangement includes a first tube-shaped ring film capacitor around the center axis of the arrangement. The power semiconductors are arranged between the cooling elements and an inner surface of the first tube-shaped ring film capacitor.Type: ApplicationFiled: June 4, 2013Publication date: December 5, 2013Inventors: Pertti SEVÄKIVI, Teemu Heikkilä
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Patent number: 8462507Abstract: A cooling element for an electronic apparatus can include an inlet for receiving fluid, an outlet for forwarding fluid from the cooling element, and multiple pipes providing parallel fluid paths for passing the fluid from the inlet to the outlet. To obtain a simple and efficient cooling element, multiple base plates for receiving electronic components can be attached to the pipes for conducting heat generated by the electronic components to the fluid in the pipes.Type: GrantFiled: January 20, 2011Date of Patent: June 11, 2013Assignee: ABB OyInventor: Pertti Seväkivi
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Publication number: 20120287577Abstract: A cooling element for cooling a plurality of power semiconductor modules including power semiconductor units including a plate made of thermally conductive material. The plate includes channels for carrying a flow of a cooling liquid. The channels include a main supply channel converging in a direction of the flow of the liquid, a main discharge channel diverging in the direction of the flow of the liquid, a plurality of supply channel branches branching from the main input channel, a plurality of discharge channel branches merging to the main discharge channel, and a plurality of power semiconductor unit cooling channels connecting the supply channel branches and the discharge channel branches. Each power semiconductor unit cooling channel is arranged to cool one power semiconductor unit. The plate includes openings for thermally separating the power semiconductor modules from each other.Type: ApplicationFiled: April 19, 2012Publication date: November 15, 2012Applicant: ABB OyInventors: Pertti SEVÄKIVI, Jaani HYYTIÄINEN
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Patent number: 8139338Abstract: A load control apparatus adapted to indirectly detect an overcurrent, i.e. a current magnitude exceeding a predetermined limit value, occurring in an electric conductor element (4) belonging to a load current circuit (20), on the basis of an increase in temperature.Type: GrantFiled: January 22, 2009Date of Patent: March 20, 2012Assignee: ABB OyInventors: Timo Väätäinen, Pertti Seväkivi, Vesa Tiihonen
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Publication number: 20110176274Abstract: A cooling element for an electronic apparatus can include an inlet for receiving fluid, an outlet for forwarding fluid from the cooling element, and multiple pipes providing parallel fluid paths for passing the fluid from the inlet to the outlet. To obtain a simple and efficient cooling element, multiple base plates for receiving electronic components can be attached to the pipes for conducting heat generated by the electronic components to the fluid in the pipes.Type: ApplicationFiled: January 20, 2011Publication date: July 21, 2011Applicant: ABB OyInventor: Pertti Seväkivi
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Publication number: 20100164665Abstract: A method and electric component, such as inductor, coil, resistor, or the like, are disclosed wherein a winding includes at least one spiral or coiled element, the spiral or coiled element being formed from a piece furnished with cooling ribs.Type: ApplicationFiled: December 23, 2009Publication date: July 1, 2010Applicant: ABB OYInventor: Pertti SEVÄKIVI
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Patent number: 7274573Abstract: A method and assembly for mounting power electronics modules in an equipment cabinet, cubicle or other like equipment space. According to the invention, the power electronics modules are mounted in the equipment space (1) with the help of mounting bases (3), such that the mounting bases (3) comprise fixture means (13, 14) for fixing the mounting base in the equipment space (1) and a mounting plate (16) fixed supportedly by the fixture means (13, 14) so that the first end of the mounting plate is situated closer to the fixture means (14) of the first end than the opposite end (11) of the mounting plate (3) from the fixture means (13) of this opposite end, whereby the mounting plate (16) becomes aligned in a slanted position in the equipment space.Type: GrantFiled: March 25, 2004Date of Patent: September 25, 2007Assignee: ABB OyInventor: Pertti Seväkivi
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Patent number: D686158Type: GrantFiled: September 22, 2011Date of Patent: July 16, 2013Assignee: ABB OyInventors: Juhani Helosvuori, Marjukka Mäkelä, Pertti Seväkivi, Mika Asikainen, Petri Isaksson
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Patent number: D691558Type: GrantFiled: March 15, 2013Date of Patent: October 15, 2013Assignee: ABB OyInventors: Juhani Helosvuori, Marjukka Mäkelä, Pertti Seväkivi, Mika Asikainen
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Patent number: D733653Type: GrantFiled: August 27, 2013Date of Patent: July 7, 2015Assignee: ABB Technology OyInventors: Pertti Seväkivi, Niko Björkman