# US 12,184,017 B2 · Bus bar assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,184,017 B2 - Document ID: US12184017B2 - Status: Granted - Kind: B2 - Application number: 17/334,934 - Filed: 2021-05-31 - Published: 2022-12-01 - Granted: 2024-12-31 - Earliest claimed: 2021-05-31 - Assignees: AES Global Holdings PTE Ltd. - Applicants: AES Global Holdings PTE Ltd. - Inventors: Angelito Hatol; Romano Iniego - Web page: https://patentgrep.com/patent/US12184017B2 ## CPC - H01R 25/162: {Electrical connections between or with rails or bus-bars (rails having primarily a non electrical function H01R4/64)} - H01R 12/7047: {with a fastener through a screw hole in the coupling device} - H01R 12/7088: {Arrangements for power supply} - H01R 12/718: {Contact members provided on the PCB without an insulating housing (contacts for abutting H01R12/714)} - H05K 7/1457: {Power distribution arrangements} - H05K 7/1492: {having electrical distribution arrangements, e.g. power supply or data communications} - H01R 25/006: {the coupling part being secured to apparatus or structure, e.g. duplex wall receptacle} - H02G 5/005: {Laminated bus-bars} - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - H02G: INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES ## Abstract A bus bar assembly comprises a first bus bar and a second bus bar. Each bus bar comprises a bridge flange having a first side and a second side, top and bottom flanges extending from the first side of the bridge flange, and an interface flange extending from the second side of the bridge flange. The bus bar assembly further comprises a first insulation layer positioned between the top flanges of the first and second bus bars and a second insulation layer positioned between the bottom flanges of the first and second bus bars. Each of the top and bottom flanges comprises a plurality of mating devices coupled thereto. The top flanges of the first and second bus bars and the first insulation layer are fixedly joined together. The bottom flanges of the first and second bus bars and the second insulation layer are fixedly joined together. ## Claims ### Claim 1 A bus bar assembly capable of use with an equipment rack power shelf, the bus bar assembly comprising: a first bus bar and a second bus bar, each of the first bus bar and the second bus bar respectively comprising: a bridge flange having a first side and a second side opposite the first side; a top flange extending from the first side of the bridge flange and comprising a first plurality of mating devices coupled thereto; a bottom flange extending from the first side of the bridge flange and comprising a second plurality of mating devices coupled thereto; and an interface flange extending from the second side of the bridge flange; a first insulation layer positioned between the top flange of the first bus bar and the top flange of the second bus bar; and a second insulation layer positioned between the bottom flange of the first bus bar and the bottom flange of the second bus bar; wherein the top flange of the first bus bar, the top flange of the second bus bar, and the first insulation layer are fixedly joined together; wherein the bottom flange of the first bus bar, the bottom flange of the second bus bar, and the second insulation layer are fixedly joined together; and wherein each of the first and second bus bars comprises a single piece of electrically conductive metal; wherein the top flanges of the first and second bus bars are substantially parallel with the respective bottom flanges of the first and second bus bars and are substantially orthogonal with the respective bridge flanges of the first and second bus bars; and wherein the interface flanges of the first and second bus bar are substantially orthogonal with the respective bridge flanges of the first and second bus bars and substantially orthogonal with the respective top flanges of the first and second bus bars. ### Claim 2 (depends on 1) The bus bar assembly of claim 1, wherein each of the top and bottom flanges of each of the first and second bus bars comprises a plurality of tabs extending from a first side thereof. ### Claim 3 (depends on 2) The bus bar assembly of claim 2 further comprises at least one electrical connector electrically coupled with each tab of the pluralities of tabs, wherein the at least one electrical connector is configured to mate with a corresponding electrical connector coupled to a printed circuit board of the equipment rack power shelf. ### Claim 4 (depends on 3) The bus bar assembly of claim 3, wherein the at least one electrical connector comprises a socket connector configured to mate with a corresponding pin connector. ### Claim 5 (depends on 4) The bus bar assembly of claim 4, each tab of the pluralities of tabs has a hole formed therein for each socket connector electrically coupled therewith, wherein each socket connector is installed within a corresponding hole. ### Claim 6 (depends on 2) The bus bar assembly of claim 2, wherein the tabs of the plurality of tabs of the first bus bar are offset from the tabs of the plurality of tabs of the second bus bar. ### Claim 7 (depends on 1) The bus bar assembly of claim 1, wherein the respective bridge flange, top flange, bottom flange, and interface flange of each of the first and second bus bars are coupled together without a fastener. ### Claim 8 A power shelf for an equipment rack, the power shelf comprising: a chassis; a plurality of power supply units (PSUs) comprising: a first PSU positioned within a first row of the chassis; and a second PSU positioned within a second row of the chassis; a first printed circuit board (PCB) coupled to the first PSU; a second PCB coupled to the second PSU; a bus bar assembly comprising: a first bus bar formed from a single piece of metal and comprising: a first bridge flange; a first flange extending from a first side of the first bridge flange; a second flange extending from the first side of the first bridge flange; and a first system interface flange extending from a second side of the first bridge flange; a second bus bar formed from a single piece of metal and comprising: a second bridge flange; a third flange extending from a first side of the second bridge flange; a fourth flange extending from the first side of the second bridge flange; and a second system interface flange extending from a second side of the second bridge flange; a first insulation layer fixedly joined between the first flange and the third flange; and a second insulation layer fixedly joined between the second flange and the fourth flange; a first plurality of electrical connectors coupled to the first and second flanges; a second plurality of electrical connectors coupled to the first PCB; a third plurality of electrical connectors coupled to the third and fourth flanges; and a fourth plurality of electrical connectors coupled to the second PCB; wherein the first and third flanges are electrically and mechanically coupled to the first PCB; wherein the second and fourth flanges are electrically and mechanically coupled to the second PCB; wherein electrical connectors of the first plurality of electrical connectors are configured to mate with the electrical connectors of the second plurality of electrical connectors; and wherein electrical connectors of the third plurality of electrical connectors are configured to mate with the electrical connectors of the fourth plurality of electrical connectors. ### Claim 9 (depends on 8) The power shelf of claim 8, wherein the first insulation layer, the first flange, and the third flange are adhesively joined together; and wherein the second insulation layer, the second flange, and the fourth flange are adhesively joined together. ### Claim 10 (depends on 8) The power shelf of claim 8, wherein the electrical connectors of the first and third pluralities of electrical connectors comprise socket connectors; and wherein the electrical connectors of the second and fourth pluralities of electrical connectors comprise pin connectors. ### Claim 11 (depends on 8) The power shelf of claim 8, wherein the third and fourth flanges comprise one or more mounting projections respectively extending therefrom; and further comprising a fastener extending through each mounting projection to fasten the bus bar assembly to the first and second PCBs. ### Claim 12 (depends on 8) The power shelf of claim 8, wherein the first flange, the second flange, the third flange, and the fourth flange are substantially parallel with each other; wherein the first flange, the second flange, the third flange, and the fourth flange are substantially orthogonal with the first and second bridge flanges; and wherein the first and second bridge flanges are substantially orthogonal with the first and second system interface flanges. ### Claim 13 (depends on 8) The power shelf of claim 8, wherein each of the first and second system interface flanges is configured to be electrically and mechanically coupled with a respective power rail of the equipment rack. ### Claim 14 (depends on 8) The power shelf of claim 8, wherein the first bridge flange, the first flange, the second flange, and the first system interface flange are coupled together without a fastener; and wherein the second bridge flange, the third flange, the fourth flange, and the second system interface flange are coupled together without a fastener. ### Claim 15 (depends on 8) The power shelf of claim 8, wherein each of the first and second bus bars is configured to transmit 15 kW of power supplied by the plurality of PSUs.