# US 10,772,189 B2 · Electricity storage unit > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,772,189 B2 - Document ID: US10772189B2 - Status: Granted - Kind: B2 - Application number: 15/520,759 - Filed: 2015-10-09 - Published: 2017-10-26 - Granted: 2020-09-08 - Earliest claimed: 2014-10-30 - Assignees: Sumitomo Wiring Systems, Ltd.; Autonetworks Technologies, Ltd.; Sumitomo Electric Industries, Ltd. - Applicants: AutoNetworks Technologies, Ltd.; Sumitomo Wiring Systems, Ltd.; Sumitomo Electric Industries, Ltd. - Inventors: Tatsuya Sumida; Kyohei Morita; Kazuhide Kitagawa; Hisao Hattori - Web page: https://patentgrep.com/patent/US10772189B2 ## CPC - H05K 1/0203: {Cooling of mounted components (H05K1/0272 takes precedence)} - H02G 3/086: {Assembled boxes} - H05K 1/18: structurally associated with non-printed electric components (H05K1/16 takes precedence) - H05K 1/142: {Arrangements of planar printed circuit boards in the same plane, e.g. auxiliary printed circuit insert mounted in a main printed circuit} - H05K 3/0061: {onto a metallic substrate, e.g. a heat sink (heat sinks for electric apparatus H05K7/20)} - H05K 2201/10015: Non-printed capacitor - H05K 2201/1003: Non-printed inductor - H05K 2201/10166: Transistor - 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 An electricity storage unit includes: an electricity storage device; a circuit portion on which an electronic component is mounted; a heat dissipation member that dissipates heat from the circuit portion; and a holding member that holds the electricity storage device in a state where the electricity storage device, the circuit portion, and the heat dissipation member are stacked, wherein the holding member is provided with a supporting portion that supports the electricity storage device and abuts against the heat dissipation member. ## Claims ### Claim 1 An electricity storage unit comprising: an electricity storage device; a circuit portion on which an electronic component is mounted; a heat dissipation member that dissipates heat from the circuit portion; and a holding member that holds the electricity storage device in a state where the electricity storage device, the circuit portion, and the heat dissipation member are stacked such that the circuit portion is located between the electricity storage device and the heat dissipation member, wherein the holding member includes a pair of opposing inner walls, the each of the pair of opposing inner walls having a supporting portion, the supporting portion having a distal end opposite a proximal end, the distal end abuts against the heat dissipation member, and a partition wall portion being a planar member extending between the pair of opposing inner walls of the holding member and interconnected to the proximal end of each of the supporting portion so as to be elevated above the circuit portion, the supporting portion bounding a peripheral edge of the partition wall, the partition wall portion having a top surface opposite of a bottom surface, wherein the electricity storage device is placed on the top surface of the partition wall portion and the bottom surface of the partition wall portion is spaced apart from and faces the circuit portion forming a gap therebetween so as to be clear of the circuit portion. ### Claim 2 (depends on 1) The electricity storage unit according to claim 1, wherein the holding member is made of metal, and the supporting portion is a peripheral wall that extends around the circuit portion. ### Claim 3 (depends on 2) The electricity storage unit according to claim 2, wherein the holding member is provided with a housing wall that houses the electricity storage device, and a thickness of the peripheral wall is greater than a thickness of the housing wall. ### Claim 4 (depends on 3) The electricity storage unit according to claim 3, wherein the holding member is provided with a partition wall portion between the electricity storage device and the circuit portion, and the partition wall portion is provided with a positioning portion that positions the electricity storage device. ### Claim 5 (depends on 3) The electricity storage unit according to claim 3, wherein the supporting portion is provided with a stopper that is fixed to the heat dissipation member from the opposite side to the supporting portion using a screw. ### Claim 6 (depends on 3) The electricity storage unit according to claim 3, wherein the supporting portion is provided with a stopper that is fixed to the heat dissipation member from the opposite side to the supporting portion using a screw. ### Claim 7 (depends on 2) The electricity storage unit according to claim 2, wherein the holding member is provided with a partition wall portion between the electricity storage device and the circuit portion, and the partition wall portion is provided with a positioning portion that positions the electricity storage device. ### Claim 8 (depends on 2) The electricity storage unit according to claim 2, wherein the supporting portion is provided with a stopper that is fixed to the heat dissipation member from the opposite side to the supporting portion using a screw. ### Claim 9 (depends on 2) The electricity storage unit according to claim 2, wherein the supporting portion is provided with a stopper that is fixed to the heat dissipation member from the opposite side to the supporting portion using a screw. ### Claim 10 (depends on 1) The electricity storage unit according to claim 1, wherein the partition wall portion is provided with a positioning portion that positions the electricity storage device. ### Claim 11 (depends on 10) The electricity storage unit according to claim 10, wherein the supporting portion is provided with a stopper that is fixed to the heat dissipation member from the opposite side to the supporting portion using a screw. ### Claim 12 (depends on 10) The electricity storage unit according to claim 10, wherein the supporting portion is provided with a stopper that is fixed to the heat dissipation member from the opposite side to the supporting portion using a screw. ### Claim 13 (depends on 1) The electricity storage unit according to claim 1, wherein the supporting portion is provided with a stopper that is fixed to the heat dissipation member from the opposite side to the supporting portion using a screw. ### Claim 14 (depends on 13) The electricity storage unit according to claim 13, wherein the supporting portion is provided with a stopper that is fixed to the heat dissipation member from the opposite side to the supporting portion using a screw. ### Claim 15 (depends on 1) The electricity storage unit according to claim 1, further comprising: an attachment portion that is to be attached to an external member, wherein the attachment portion is fixed to the supporting portion using a screw.