# US 12,009,623 B2 · Connector with heat dissipation member > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,009,623 B2 - Document ID: US12009623B2 - Status: Granted - Kind: B2 - Application number: 17/455,710 - Filed: 2021-11-19 - Published: 2022-05-26 - Granted: 2024-06-11 - Earliest claimed: 2020-11-25 - Assignees: Yazaki Corporation - Applicants: Yazaki Corporation - Inventors: Kazutaka Uki - Web page: https://patentgrep.com/patent/US12009623B2 ## CPC - H01R 13/533: Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure (H01R13/52 takes precedence) - H01R 24/66: with pins, blades or analogous contacts and secured to apparatus or structure, e.g. to a wall - H01R 13/5202: {Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings} - H01R 13/62938: {Pivoting lever comprising own camming means} - H01R 13/6583: with separate conductive resilient members between mating shield members - H01R 13/6591: Specific features or arrangements of connection of shield to conductive members - H01R 13/748: {using one or more screws (H01R13/746 takes precedence)} - H01R 2103/00: Two poles - H01R 2201/26: for vehicles - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS ## Abstract A connector includes a terminal fitting, an insulating housing having a terminal accommodation chamber in which the terminal fitting is accommodated, and attached to a casing of an installation target device, and an insulating heat dissipation member that takes heat from the terminal fitting and dissipates the heat are included, and the heat dissipation member includes a heat absorbing portion that comes into contact with the terminal fitting in the terminal accommodation chamber and takes heat from the terminal fitting, and a heat transfer portion that transfers the heat taken by the heat absorbing portion to a heat transfer target portion outside the terminal accommodation chamber. ## Claims ### Claim 1 A connector comprising: a terminal fitting; an insulating housing having a terminal accommodation chamber in which the terminal fitting is accommodated, and attached to a casing of an installation target device; and an insulating heat dissipation member that takes heat from the terminal fitting and dissipates the heat, wherein the heat dissipation member includes a heat absorbing portion that comes into contact with the terminal fitting in the terminal accommodation chamber and takes heat from the terminal fitting, and a heat transfer portion that transfers the heat taken by the heat absorbing portion to a heat transfer target portion outside the terminal accommodation chamber, and the housing includes a fitting portion that has part of the terminal accommodation chamber inside the fitting portion and is disposed in a state of projecting from a wall face of the casing, and to which a counterpart fitting portion of a counterpart housing is fitted, and a flange portion that brings a first annular face in an axial direction into contact with the wall face of the casing and in which part of the terminal accommodation chamber is disposed, the heat transfer target portion is part of a metal shield shell including a tubular shield portion that accommodates the fitting portion, a shield flange portion that holds the flange portion between the shield flange portion and the wall face of the casing from a second annular face in the axial direction, the second annular face being opposite to the first annular face, and a fixing portion that fixes the shield flange portion to the casing, and a heat transfer chamber that accommodates the heat transfer portion with the heat transfer portion coming into contact with the shield flange portion is formed between the flange portion and the shield flange portion. ### Claim 2 (depends on 1) The connector according to claim 1, wherein the heat dissipation member is held by the housing. ### Claim 3 (depends on 2) The connector according to claim 2, wherein the heat absorbing portion comes into contact with an exterior wall face of the terminal fitting along an extending direction of the terminal fitting and the terminal accommodation chamber. ### Claim 4 (depends on 2) The connector according to claim 2, wherein the heat absorbing portion has a through hole into which the terminal fitting is inserted and whose peripheral edge portion comes into contact with an outer peripheral face of the terminal fitting. ### Claim 5 (depends on 1) The connector according to claim 1, wherein the housing includes a first housing member having the fitting portion and a second housing member having the flange portion and assembled to the first housing member, and the heat dissipation member is held by the first housing member and the second housing member. ### Claim 6 (depends on 5) The connector according to claim 5, wherein the heat absorbing portion comes into contact with an exterior wall face of the terminal fitting along an extending direction of the terminal fitting and the terminal accommodation chamber. ### Claim 7 (depends on 1) The connector according to claim 1, wherein the heat absorbing portion comes into contact with an exterior wall face of the terminal fitting along an extending direction of the terminal fitting and the terminal accommodation chamber. ### Claim 8 (depends on 1) The connector according to claim 1, wherein the heat absorbing portion has a through hole into which the terminal fitting is inserted and whose peripheral edge portion comes into contact with an outer peripheral face of the terminal fitting. ### Claim 9 (depends on 1) The connector according to claim 1, wherein along a longitudinal direction of the terminal fitting, the heat absorbing portion is longer than the heat transfer portion, and the longitudinal direction is perpendicular to the radial direction. ### Claim 10 (depends on 1) The connector according to claim 1, wherein in the radial direction away from the terminal fitting, an entirety of the insulating heat dissipation member is entirely positioned more outwardly than is the terminal fitting. ### Claim 11 (depends on 1) The connector according to claim 1, wherein, in the heat transfer chamber, the heat transfer portion is directly between the flange portion and the shield flange portion in the axial direction. ### Claim 12 (depends on 11) The connector according to claim 11, wherein the heat transfer chamber is in an annular recess in the shield flange portion. ### Claim 13 (depends on 1) The connector according to claim 1, wherein the heat dissipation member further comprises a coupling portion that couples the heat absorbing portion to the heat transfer portion. ### Claim 14 A connector comprising: a terminal fitting; an insulating housing having a terminal accommodation chamber in which the terminal fitting is accommodated, and attached to a casing of an installation target device; and an insulating heat dissipation member that takes heat from the terminal fitting and dissipates the heat, wherein the heat dissipation member includes a heat absorbing portion that comes into contact with the terminal fitting in the terminal accommodation chamber and takes heat from the terminal fitting, and a heat transfer portion that transfers the heat taken by the heat absorbing portion to a heat transfer target portion outside the terminal accommodation chamber, and the heat absorbing portion has a through hole into which the terminal fitting is inserted and whose peripheral edge portion comes into contact with an outer peripheral face of the terminal fitting.