公开(公告)号：US11073343B2

公开(公告)日：2021-07-27

申请号：US15103193

申请日：2015-02-10

Applicant: WIELAND-WERKE AG

Inventor： Achim Gotterbarm ,  Ronald Lutz ,  Jean El Hajal ,  Manfred Knab

IPC: F28F1/36 ,  F28F1/42 ,  F28F13/18 ,  F25B39/00 ,  F28D21/00 ,  F28F13/08 ,  F25B39/02

Abstract: A metal heat exchanger tube has integral ribs formed on the outside of the tube. The ribs have a rib base, rib flanks, and a rib tip. The rib base protrudes substantially radially from the tube wall. A channel is formed between the ribs, in which channel additional structures spaced apart from each other are arranged. The additional structures divide the channel between the ribs into segments. The additional structures reduce the cross-sectional area in the channel between two ribs through which flow is possible by at least 60% locally and, at least thereby, limit a fluid flow in the channel during operation.

公开(公告)号：US12225689B2

公开(公告)日：2025-02-11

申请号：US17996446

申请日：2021-03-30

Applicant: WIELAND-WERKE AG

Inventor： Achim Gotterbarm ,  Manfred Knab ,  Jochen Dietl ,  Harald Gaibler

IPC: H05K7/20 ,  H05K5/06

Abstract: A cooling system for the liquid immersion cooling of electronic components. The system includes a container containing, in an interior, liquid heat transfer fluid into which electronic components are immersed, the container having a gas space above the surface of the liquid heat transfer fluid, and a heat exchanger device in the gas space of the container for forming liquid heat transfer fluid. The cooling system further includes a lock device on the container for exchanging electronic components, and the lock device has a lock space, which lock space is hermetically sealed with respect to the gas space of the container to prevent gas exchange.

公开(公告)号：US10948245B2

公开(公告)日：2021-03-16

申请号：US16099271

申请日：2017-05-17

Applicant: WIELAND-WERKE AG

Inventor： Achim Gotterbarm ,  Ronald Lutz ,  Jean El Hajal ,  Manfred Knab

IPC: F28F1/14 ,  F28F1/36 ,  F28F1/40 ,  F28F1/42 ,  F28F1/18

Abstract: The invention relates to a heat exchanger tube (1) having a tube longitudinal axis (A), a tube wall (2), an outer tube face (21) and an inner tube face (22), wherein axially parallel or helically circumferential continuous fins (3) are formed on the outer tube face (21) and/or inner tube face (22) which fins continuously run from the tube wall, and continuously extending primary grooves (4) are formed between respectively adjacent fins (3). According to the invention, the fins (3) along the fin profile are subdivided into periodically repeating fin sections (31) which are divided into a multiplicity of projections (6) with a projection height (h), wherein the projections (6) are formed between primary grooves (4) by making cuts into the fins (3) at a cutting depth transversely with respect to the fin profile to form fin segments and by raising the fin segments in a main orientation along the fin profile.

公开(公告)号：US10996005B2

公开(公告)日：2021-05-04

申请号：US16099490

申请日：2017-05-17

Applicant: WIELAND-WERKE AG

Inventor： Achim Gotterbarm ,  Ronald Lutz ,  Jean El Hajal ,  Manfred Knab

IPC: F28F1/14 ,  F28F1/18 ,  F28F1/40 ,  F28F1/42 ,  F28F1/36

Abstract: The invention relates to a heat exchanger tube having a tube longitudinal axis, wherein fins extend continuously from the tube wall on the tube outer face and/or the tube inner face, or extend axially parallel thereto or in the form of a helix. Continuously extending primary grooves are formed between adjacent fins, said fins have at least one structured area on the tube outer face and/or tube inner face, and the structured area has a plurality of projections of a projection height projecting from the surface, the projections being separated by notches. According to the invention, a plurality of projections are deformed relative one another in pairs to such an extent that cavities are formed between adjacent projections. Furthermore, according to the invention, a plurality of projections are deformed in the direction of the tube wall such that cavities are formed between a respective projection and the tube wall.

公开(公告)号：US10976115B2

公开(公告)日：2021-04-13

申请号：US16098672

申请日：2017-05-17

Applicant: WIELAND-WERKE AG

Inventor： Achim Gotterbarm ,  Ronald Lutz ,  Jean El Hajal ,  Manfred Knab

IPC: F28F7/00 ,  F28F1/36 ,  F28F1/40 ,  F28F1/42 ,  F28F1/18

Abstract: The invention relates to heat exchanger tube having a longitudinal tube axis; axially parallel or helically circumferential continuous fins are formed from the tube wall on the outer tube face and/or inner tube face, and continuous primary grooves are formed between adjacent fins; the fins have at least one structured zone on the outer tube face and/or inner tube face, said structured zone being provided with a plurality of projections which project from the surface an have a height such that the projections are separated by notches. According to the invention, the projections are arranged in groups which are periodically repeated along the extension of the fin. Furthermore, at least two notches between the projections within the group have a varying notch depth in a fin.