Abb Schweiz Ag

Abb Research Ltd.

Abb Technology Ag

Abb Technology Oy

Hitachi Energy Ltd

Abb S.p.a.

Bruno Agostini

Francesco Agostini

Daniele Torresin

Mathieu Habert

Berk Yesin

Thomas Gradinger

Andrey Petrov

Benjamin Weber

Jens Tepper

Marcos Bockholt

Timo Koivuluoma

Anders Blomberg

Matteo Bortolato

Jing Ni

Jürgen Hafner

Munaf Rahimo

Tero Viitanen

Fabian Mohn

Alessio Bergamini

Cajetan Pinto

Antonello Antoniazzi

Slavo Kicin

Daniel Chartouni

Juergen Schuderer

Bhavesh Patel

Daniel Kearney

Risto Laurila

Matti Kauranen

Gernot Riedel

Tilo Buehler

Michael Luckey

Hamit Duran

Oleksandr Sologubenko

Christoph Haederli

Roman Jauhonen

Marcel Merk

Mario Bortoli

Francesco Moraschinelli

Chunlei Liu

Jari Sundelin

Heikki Elomaa

Christian Meckel

Jouko Siirilä

Matteo Fabbri

Anna Rumpunen

Markku Elo

Thomas Paul

A heat dissipation device is provided herein. The heat dissipation device includes an evaporator chamber at least partially filled with a working fluid to be evaporated when being heated by a heat source; at least one condenser chamber for receiving evaporated working fluid and for condensing the evaporated working fluid, wherein the condenser chamber is interconnected with the evaporator chamber in a fluid conductive manner; and at least one air fin element interconnected between the condenser chamber and one of a further condenser chamber and a side wall of the heat dissipation device; wherein the air fin element has a triply periodic surface providing air fins.

Heat dissipation device

A vapor chamber includes a bottom cover, a top cover, a crate element, and at least one porous pillar. The bottom cover is configured to receive waste heat from an electronic component. The top cover is arranged on the bottom cover, and the bottom cover and the top cover are formed such that a vapor cavity configured to accommodate a liquid is formed between the bottom and top cover. The crate element is configured to provide mechanical strength to the vapor chamber, and has at least one compartment. The compartment(s) are formed by at least three side panels that are connected to each other, where the at least three side panels extend from the bottom cover to the top cover. The porous pillar(s) are configured to transfer the liquid from the top cover to the bottom cover and are arranged in the compartment.

Vapor chamber for cooling an electronic component, electronic arrangement, and method for manufacturing the vapor chamber

In one embodiment a power semiconductor module includes a substrate having a first substrate side for carrying an electric circuit and having a second substrate side being located opposite to the first substrate side. The second substrate side has a flat surface and is adapted for coming in contact with a cooler. A cooling area that is surrounded by a connecting area is located at the second substrate side. A first casing component of the cooler is connected to the second substrate side at the connecting area and a second casing component is connected to the first casing component such that a cooling channel for providing the cooling area with cooling fluid is provided between the first casing component and the second casing component. A cooling structure can be welded to the cooling area at the second substrate side.

Arrangement of a power semiconductor module and a cooler

Disclosed herein is a blank for a heat-transfer device that includes a vapor chamber enclosed by a body of the heat-transfer device, and a charging tube connected to the vapor chamber, wherein a part of the charging tube protruding from the body has at least one unsealed sealing zone with an oblong flow area, where a width of the charging tube exceeds a height of the charging tube.

Blank for a heat-transfer device and method to produce a heat-transfer device

A heat exchanger includes: a baseplate having a first side and a second side opposite the first side, the first side being coupled to a thermosiphon, one or more electronic components being mounted on the second side. The baseplate has a two-phase heat spreading structure. In an embodiment, the heat exchanger includes a thermosiphon.

Heat exchanger with integrated two-phase heat spreader

The invention relates to a method which is suited for manufacturing a 3D-vapor chamber in a defined and efficient manner. Especially, the present method provides a solution for providing a vapor chamber having an evaporator and a condenser made from a first part and a second part, wherein continuity of internal structures is given which in turn provides an efficient working behaviour of the vapor chamber.

Method of forming a 3D-vapor chamber

A heat exchange device may be based on a pulsating heat pipe and a cooling arrangement. The heat exchange device may include a plurality of pipes to provide fluid paths between a first fluid distribution element and a second fluid distribution element. Each pipe of the plurality of pipes may include a group of channels. Each of the first and second fluid distribution elements may include a plate of a first type. Each plate of the first type may include openings for providing alignment functionality for the plurality of pipes. The first fluid distribution element may include a plate of a second type that may include openings for providing fluid paths between the pipes. The plate of the second type may be positioned on a side of the plate of the first type of plates of the first fluid distribution element that is opposite to the second fluid distribution element.

Heat exchange device based on a pulsating heat pipe

An arrangement for cooling a closed, sealed cabinet (), comprising a thermosiphon heat exchanger () disposed inside the cabinet () and having an evaporator () and a condenser () for circulating a working fluid between the evaporator () and the condenser () in a closed loop, wherein the working fluid evaporated in the evaporator () by heat flows to the condenser () for cooling and the condensed working fluid flows back to the evaporator (). The evaporator () is exposed to hot air flow generated inside the cabinet (), and a heat transfer element () is attached to the condenser () in a sealed manner through a cabinet wall () for transferring heat to the outside of the cabinet ().

Arrangement for cooling a closed cabinet

A heat exchanger assembly is disclosed. The heat exchanger assembly comprises at least one passive cooling circuit, the passive cooling circuit including an evaporator connectable to a device to be cooled for conducting heat from the device to be cooled to the cooling fluid within the evaporator, thereby evaporating the cooling fluid, and a condenser interconnected with the evaporator for receiving the evaporated cooling fluid from the evaporator, releasing heat from the cooling fluid to an environment of the condenser, thereby condensing the cooling fluid, and for returning the condensed cooling fluid to the evaporator; and an active partial circuit comprising a compressor and an auxiliary condenser, the active partial circuit being activatable and deactivatable and being connected to the passive cooling circuit for receiving, in an activated state of the active partial circuit, the cooling fluid from the evaporator, for compressing the received cooling fluid by the compressor, for releasing heat, by the auxiliary condenser, from the compressed cooling fluid to an environment of the auxiliary condenser, and for returning the condensed cooling fluid to the evaporator. Furthermore, the passive cooling circuit is a base-to-air type thermosiphon or an air-to-air type thermosiphon.

Heat exchanger assembly and method for operating a heat exchanger assembly

This invention relates to a cooling apparatus comprising a base plate, an evaporator and a condenser. In order to obtain a simple and efficient cooling apparatus the evaporator is a porous aluminum evaporator having a capillary structure with pores and a plurality of larger sized evaporator channels extending through the evaporator between a second end and the first end of the evaporator. A compensation chamber extending along a second surface of the evaporator receives first fluid from the condenser such that pores opening up into the second surface of the evaporator are provided with first fluid.

Cooling apparatus and method

A power device comprises at least one power semiconductor module comprising a wide bandgap semiconductor element; and a cooling system for actively cooling the wide bandgap semiconductor element with a cooling medium, wherein the cooling system comprises a refrigeration device for lowering a temperature of the cooling medium below an ambient temperature of the power device; wherein the cooling system is adapted for lowering the temperature of the cooling medium in such a way that a temperature of the wide bandgap semiconductor element is below 100&#xb0; C.

Cooling of wide bandgap semiconductor devices

A cooling assembly comprising a plurality of fin elements stacked in a stack direction, a plurality of coolant channels each located between adjacent fin elements and extending in a coolant channel direction perpendicular to the stack direction, a first heat transfer surface adapted to be in contact with a heat generating element, and a second heat transfer surface spaced apart from the first heat transfer surface, the plurality of fin elements and the plurality of coolant channels being located between the first heat transfer surface and the second heat transfer surface. Each of the fin elements comprises a pulsating heat pipe embedded therein, a main pulsating direction of each of the pulsating heat pipes being substantially parallel to a normal of the first heat transfer surface.

Cooling assembly and method for manufacturing the same

A cooling device for cooling at least two power electronic devices by a working fluid. The cooling device has a heat receiver portion of the Pulsating Heat Pipe circuit system and a pair of thermo-conducting walls provided on mutually opposite sides of the heat receiver arrangement and sandwiching the heat receiver portion between them. These walls are adapted for being thermally connected to a respective one of the power electronic devices. The cooling device further has a heat dissipator arrangement with a heat dissipator portion of the Pulsating Heat Pipe circuit system and a plurality of fins thermally coupled to the heat dissipator portion for transferring heat from the heat dissipator portion to an external cooling fluid for cooling the working fluid in the heat dissipator portion. The Pulsating Heat Pipe circuit system connects the heat receiver portion with the heat dissipator portion for transferring heat from the heat receiver portion to the heat dissipator portion by the Pulsating Heat Pipe action of the working fluid.

Cooling device and method for cooling at least two power electronic devices

A thermosyphon heat exchanger includes a plurality of first conduit elements and a plurality of second conduit elements. Each first conduit element has a heat absorbing portion defining a first plane and a first fluid transfer portion defining a second plane. The first plane and the second plane are twisted relative to each other. Each second conduit element has a heat releasing portion and a second fluid transfer portion or a connection to a fluid return line. At least one first conduit element and at least one second conduit element are connected to each other such that the fluid in the thermosyphon heat exchanger can flow in a closed loop through said first conduit element and said second conduit element.

Twisted tube thermosyphon

The invention relates to a heat exchanger comprising a base plate for receiving a heat load from one or more electric components, an evaporator being in thermal contact with a surface of the base plate for transferring said heat load into a first fluid in the evaporator channels, and a condenser dissipating heat from the first fluid. In order to provide an efficient heat exchanger the heat exchanger comprises a collector space receiving first fluid from the condenser, and the collector space which is located higher than the lower ends of the evaporator channels is in fluid communication with lower ends of the evaporator channels for passing first fluid received from the condenser to the lower ends of the evaporator channels.

Heat exchanger

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Zurich, Switzerland

Bruno Agostini