-
公开(公告)号：US12071692B2
公开(公告)日：2024-08-27
申请号：US18040169
申请日：2020-12-21
Applicant: WIELAND-WERKE AG
Inventor： Michael Bohsmann , Robert Zauter
IPC: C23C28/00 , B32B15/01 , B32B15/04 , B32B15/20 , C22C9/00 , C22C9/02 , C22C13/00 , C22C30/02 , C22C30/04 , C22F1/08 , C23C2/08 , C23C28/02 , C23C30/00
CPC classification number: C23C2/08 , B32B15/01 , B32B15/04 , B32B15/043 , B32B15/20 , C22C9/00 , C22C9/02 , C22C13/00 , C22C30/02 , C22C30/04 , C22F1/08 , C23C28/021 , C23C28/023 , C23C28/027 , C23C30/00 , C23C30/005 , Y10T428/12431 , Y10T428/12438 , Y10T428/12896 , Y10T428/12903 , Y10T428/1291
Abstract: An electrically conducting material including a substrate composed of copper or a copper alloy, and a coating composed of at least one layer. The coating has an outermost layer consisting to an extent of at least 90 vol % of an intermetallic phase which is or includes Cu6Sn5. The surface of the outermost layer that faces away from the substrate has insular, silver-rich precipitations with an area fraction of 7 to 20%.
-
公开(公告)号：US20240120792A1
公开(公告)日：2024-04-11
申请号：US18479285
申请日：2023-10-02
Applicant: Wieland-Werke AG
Inventor： Gerhard THUMM , Volker VOGGESER , Michael WOLF , Jochen WALLISER
CPC classification number: H02K1/32 , H02K15/0012 , H02K17/166 , H02K17/168
Abstract: A rotor of an electric asynchronous machine including a shaft, a rotor core and short-circuit rings attached to end faces of the rotor core. The shaft has an outer lateral radial surface, a cavity extending axially, at least one passageway located on the lateral surface, and at least one channel connecting the cavity to the passageway. The rotor core has at least one channel extending therein. At least one of the short-circuit rings is composed of at least two ring-shaped disks interconnected to form a disk pack. At least one disk of at least one short-circuit ring has recesses arranged such that a channel structure is formed in the short-circuit ring and is in fluidic connection with at least one channel of the rotor core and fluidically connects the at least one passageway on the shaft lateral surface to at least one channel of the rotor core.
-
公开(公告)号：US20230357894A1
公开(公告)日：2023-11-09
申请号：US18306331
申请日：2023-04-25
Applicant: Wieland-Werke AG
Inventor： Hans-Achim KUHN , Susanne MÜLLER , Volker VOGGESER
CPC classification number: C22C9/04 , F16C33/121 , F16C2204/14 , F16C2360/24
Abstract: A wrought alloy for a bearing material for use as valve guide or in turbochargers of internal-combustion engines operated with ethanol-containing fuels The composition of the wrought alloy is as follows in wt%: Zn: 25.0 - 34.0%; Fe: 0.8 - 1.2%; Sn: 0.8 - 1.2%; Al: 1.3 -1.7%; Si: 0.2 - 0.45%; and Pb: up to 0.1%, with the balance being copper and unavoidable impurities The sum total of all elements not belonging to the group of the elements copper, zinc, iron, tin, aluminum and silicon is at most 0.3 wt%. The alloy has a microstructure including precipitates in the form of silicides with a fraction of 0.5 to 2.0 vol%.
-
公开(公告)号：US20230341193A1
公开(公告)日：2023-10-26
申请号：US18245405
申请日：2021-10-07
Applicant: WIELAND-WERKE AG
Inventor： Achim GOTTERBARM , Manfred KNAB , Ronald LUTZ
IPC: F28F1/36
CPC classification number: F28F1/36
Abstract: A metal heat exchanger tube having integral fins formed on the tube outside and having a fin foot, fin flanks and a fin tip. The fin foot protrudes radially from the tube wall, and a channel is formed between the fins. Spaced-apart additional structures are arranged in a channel base and divide the channel between the fins into segments. The additional structures reduce the throughflow area in the channel and limit fluid flow during operation. First additional structures are radial projections emerging from the channel base and are delimited radially by an end surface located between the channel base and the fin tip. Material protrusions in the form of second additional structures lie at the location of the projections. The material protrusions are arranged between the end surface and the fin tip and lie laterally on the fin flank, and extend further axially and radially than circumferentially.
-
公开(公告)号：US11349245B2
公开(公告)日：2022-05-31
申请号：US17179714
申请日：2021-02-19
Applicant: WIELAND-WERKE AG
Inventor： Tony Robert Noll , Gerhard Thumm , Volker Voggeser , Michael Wolf , Christoph Kästle , Jochen Walliser
Abstract: An arrangement of components for transferring electric current from a current-feeding component to a current-discharging component, including a first component, which feeds current to the arrangement or discharges current from the arrangement. The first component includes a first metallic material and, on at least one surface, has at least one spring lamella composed of the first metallic material and machined out of the first metallic material at the surface. The lamella is machined out of the first metallic material at the surface of the first component such that it is connected monolithically to the first component in a connecting region and, starting therefrom extends as far as a free end and, when deflected out of a rest position toward the surface of the first component, exerts a spring force directed away from the surface. A second component is in immediate contact with the lamella of the first component.
-
Patent Agency Ranking
公开(公告)号：US11041233B2
公开(公告)日：2021-06-22
申请号：US16309701
申请日：2017-06-27
Applicant: WIELAND-WERKE AG
Inventor： Kai Weber
Abstract: A copper-nickel-tin alloy with excellent castability, hot workability and cold workability, high resistance to abrasive wear, adhesive wear and fretting wear and improved resistance to corrosion and stress relaxation stability, consisting of (in weight %): 2.0-10.0% Ni, 2.0-10.0% Sn, 0.01-1.0% Fe, 0.01-0.8% Mg, 0.01-2.5% Zn, 0.01-1.5% Si, 0.002-0.45% B, 0.004-0.3% P, selectively up to a maximum of 2.0% Co, selectively up to a maximum of 0.25% Pb, the residue being copper and unavoidable impurities. The ratio Si/B of the element-contents in wt. % of the elements silicon and boron is a minimum 0.4 and a maximum 8 such that the copper-nickel-tin alloy has Si-containing and B-containing phases, phases of the systems Ni—Si—B, Ni—B, Fe—B, Ni—P, Fe—P, Mg—P, Ni—Si, and Mg—Si, and other Fe-containing phases and Mg-containing phases.
-
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
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：US10982302B2
公开(公告)日：2021-04-20
申请号：US16308683
申请日：2017-06-27
Applicant: WIELAND-WERKE AG
Inventor： Kai Weber
Abstract: A copper-nickel-tin alloy with excellent castability, hot and cold workability, high resistance to abrasive wear, adhesive wear and fretting wear and improved resistance to corrosion and stress relaxation stability, consisting of (in weight %): 2.0-10.0% Ni, 2.0-10.0% Sn, 0.01-1.0% Fe, 0.01-0.8.% Mg, 0.01-1.5% Si, 0.002-0.45% B, 0.004-0.3% P, selectively up to a maximum of 2.0% Co, selectively up to a maximum of 0.25% Pb, the residue being copper and unavoidable impurities. The ratio Si/B of the element contents in wt. % of the elements silicon and boron is a minimum 0.4 and a maximum 8 such that the copper-nickel-tin alloy has Si-containing and B-containing phases and phases of the systems Ni—Si—B, Ni—B, Fe—B, Ni—P, Fe—P, Mg—P, Ni—Si, Mg—Si and other Fe-containing phases and Mg-containing phases which improve the processing and use properties of the alloy.
-
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
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.
-
公开(公告)号：US10951102B2
公开(公告)日：2021-03-16
申请号：US16056678
申请日：2018-08-07
Applicant: Wieland-Werke AG
Inventor： Gerhard Thumm , Volker Voggeser
Abstract: A squirrel-cage rotor having at least one laminated rotor core and a method of manufacturing the same are provided. Short-circuit rings in the squirrel-cage rotor are provided with at least two metal composite discs. A metal composite disc includes at least a first metal disc and a second metal disc connected to the first metal disc, where the second metal disc is made of a different material from the first metal disc. Adjacent metal composite discs are arranged such that the first metal discs face one another. The short-circuit rings are attached at an end face to the rotor core. Conductive rotor bars are attached to the first metal disc in the region of slots arranged in the outer periphery of the short-circuit rings.
-
-
-
-
-
-
-
-
-
Search Results
127
records
(took 0.041 seconds)
