公开(公告)号：US11876364B2

公开(公告)日：2024-01-16

申请号：US17688469

申请日：2022-03-07

Applicant: Rolls-Royce Corporation

Inventor： Shuai Wang ,  Chandana J. Gajanayake ,  David R. Trawick

IPC: H02G5/00

CPC classification number: H02G5/005

Abstract: An electrical assembly, such as a multi-layer bus bar, includes an electrical connection pin and a plurality of electrically conductive layers. Each of the electrically conductive layers is formed to define a cutout therein to receive the electrical connection pin and allow access for joining material to join the electrical connection pin with the plurality of electrically conductive layers. Each of the cutouts is formed to include a first through hole arranged around the electrical connection pin and a second through hole located radially outward of the first through hole.

公开(公告)号：US20230284387A1

公开(公告)日：2023-09-07

申请号：US17688473

申请日：2022-03-07

Applicant: Rolls-Royce Corporation

Inventor： Shuai Wang ,  Chandana J. Gajanayake ,  David R. Trawick

IPC: H05K1/18 ,  H05K3/34

CPC classification number: H05K1/18 ,  H05K3/3447 ,  H05K2201/09854 ,  H05K2201/10015 ,  H05K2201/10901

Abstract: An electrical assembly, such as a multi-layer bus bar, includes an electrical connection pin and a plurality of electrically conductive layers. Each of the electrically conductive layers is formed to define a cutout therein to receive the electrical connection pin and allow access for joining material to join the electrical connection pin with the plurality of electrically conductive layers. Each of the cutouts is formed to include a first portion arranged around the electrical connection pin and a second portion located radially outward of the first portion.

公开(公告)号：US11832390B2

公开(公告)日：2023-11-28

申请号：US17688473

申请日：2022-03-07

Applicant: Rolls-Royce Corporation

Inventor： Shuai Wang ,  Chandana J. Gajanayake ,  David R. Trawick

IPC: H05K1/18 ,  H05K3/34

CPC classification number: H05K1/18 ,  H05K3/3447 ,  H05K2201/09854 ,  H05K2201/10015 ,  H05K2201/10901

Abstract: An electrical assembly, such as a multi-layer bus bar, includes an electrical connection pin and a plurality of electrically conductive layers. Each of the electrically conductive layers is formed to define a cutout therein to receive the electrical connection pin and allow access for joining material to join the electrical connection pin with the plurality of electrically conductive layers. Each of the cutouts is formed to include a first portion arranged around the electrical connection pin and a second portion located radially outward of the first portion.

公开(公告)号：US11750140B1

公开(公告)日：2023-09-05

申请号：US17661242

申请日：2022-04-28

Applicant: Rolls-Royce Singapore Pte. Ltd. ,  Rolls-Royce Corporation

Inventor： Chandana Jayampathi Gajanayake ,  Shuai Wang ,  David Russell Trawick

IPC: H02P29/024

CPC classification number: H02P29/024

Abstract: An example system includes an electric machine, an alternating current (AC)/direct current (DC) converter, a Y-capacitor, and a controller. The AC/DC converter being connected to the electric machine and having a DC side and an AC side. The Y-capacitor is located on the DC side of the AC/DC converter. The controller is configured to determine, based on a measurement of the DC side of the AC/DC converter, an occurrence of a ground fault on the AC side of the AC/DC converter, and control, based on the occurrence of the ground fault, operation of the AC/DC converter.

公开(公告)号：US20230309260A1

公开(公告)日：2023-09-28

申请号：US17702753

申请日：2022-03-23

Applicant: Rolls-Royce Corporation

Inventor： Shuai Wang ,  Chandana J. Gajanayake ,  David R. Trawick

IPC: H05K7/20

CPC classification number: H05K7/20254

Abstract: A cold plate assembly for cooling an electronic device includes a manifold, a comb insert, and a plurality of vanes. The manifold is formed to define a cavity therein. The comb insert is located in the cavity and formed to include channels for receiving a fluid from cooling passages in the manifold and transfer heat to the fluid. The plurality of vanes are removably coupled with the comb insert and are located in the channels to guide the fluid through channels. The vanes extend between walls that define the channels. Each vane is formed to define a throughhole formed therein to direct the fluid at the first wall or the second wall with increased velocity so as to increase the heat transfer between the fluid and the first wall or the second wall.

公开(公告)号：US20230283057A1

公开(公告)日：2023-09-07

申请号：US17688469

申请日：2022-03-07

Applicant: Rolls-Royce Corporation

Inventor： Shuai Wang ,  Chandana J. Gajanayake ,  David R. Trawick

IPC: H02G5/00

CPC classification number: H02G5/005

Abstract: An electrical assembly, such as a multi-layer bus bar, includes an electrical connection pin and a plurality of electrically conductive layers. Each of the electrically conductive layers is formed to define a cutout therein to receive the electrical connection pin and allow access for joining material to join the electrical connection pin with the plurality of electrically conductive layers. Each of the cutouts is formed to include a first through hole arranged around the electrical connection pin and a second through hole located radially outward of the first through hole.

公开(公告)号：US11723173B1

公开(公告)日：2023-08-08

申请号：US17702752

申请日：2022-03-23

Applicant: Rolls-Royce Corporation

Inventor： Shuai Wang ,  Chandana J. Gajanayake ,  David R. Trawick

IPC: F01D25/12 ,  H05K7/20

CPC classification number: H05K7/20254 ,  F01D25/12 ,  F05D2220/70 ,  F05D2260/213

Abstract: A cold plate assembly for cooling an electronic device includes a manifold, a comb insert, and a first vaned plate. The manifold is formed to define a cavity therein. The comb insert is located in the cavity includes channels defined by walls for receiving a fluid from passages in the manifold and transferring heat to the fluid. The first vaned plate includes a first panel and first channel vanes extending away from the first panel. The first vaned plate is removably coupled with the comb insert such that first channel vanes are located within the channels to guide the fluid. Each first channel vane extends from a wall toward a neighboring wall at an angle to direct the fluid to impinge upon the neighboring wall with increased velocity so as to increase the heat transfer between the neighboring wall and the fluid.