# US 12,109,902 B2 · Resistor module for a charging inlet assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,109,902 B2 - Document ID: US12109902B2 - Status: Granted - Kind: B2 - Application number: 17/701,827 - Filed: 2022-03-23 - Published: 2023-09-28 - Granted: 2024-10-08 - Earliest claimed: 2022-03-23 - Assignees: TE Connectivity Solutions GmbH - Applicants: TE Connectivity Solutions GmbH - Inventors: Matthew Bryan Hitchcock; Clara Marguerite Rhodes; Jeremy Christin Patterson; Aaron James de Chazal - Web page: https://patentgrep.com/patent/US12109902B2 ## CPC - B60L 53/16: Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles - H01R 4/64: Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail - H01R 13/6616: {with resistor} - H01R 24/30: with additional earth or shield contacts - H01R 24/86: Parallel contacts arranged about a common axis - H01R 2107/00: Four or more poles - H01R 2201/26: for vehicles - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors - Y02T 90/14: Plug-in electric vehicles - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A resistor module includes a resistor module housing having an inner cavity. A proximity contact and a ground contact are received in the inner cavity and held by the resistor module housing. A proximity wire, electrically connected to a proximity terminal of the charging inlet assembly, is electrically connected to the proximity contact. A ground wire, electrically connected to a ground terminal of the charging inlet assembly, is electrically connected to the ground contact. A resistor element is received in the inner cavity and coupled to mating ends of the proximity and ground contacts. The resistor element is electrically connected to the proximity terminal through the proximity wire and the proximity contact and is electrically connected to the ground terminal through the ground wire and the ground contact. ## Claims ### Claim 1 A resistor module for a charging inlet assembly of an electric vehicle, the resistor module comprising: a resistor module housing having a first end and a second end opposite the first end, the resistor module housing having an inner cavity; a proximity contact received in the inner cavity and held by the resistor module housing, the proximity contact including a mating end and a wire end, the wire end of the proximity contact being connected to a proximity wire configured to be electrically connected to a proximity terminal of the charging inlet assembly; a ground contact received in the inner cavity and held by the resistor module housing, the ground contact including a mating end and a wire end, the wire end of the ground contact being connected to a ground wire configured to be electrically connected to a ground terminal of the charging inlet assembly; and a resistor element received in the inner cavity of the resistor module housing, the resistor element being coupled to the mating end of the proximity contact and the mating end of the ground contact; wherein the resistor element is configured to be electrically connected to the proximity terminal of the charging inlet assembly through the proximity wire and the proximity contact, and wherein the resistor element is configured to be electrically connected to the ground terminal of the charging inlet assembly through the ground wire and the ground contact. ### Claim 2 (depends on 1) The resistor module of claim 1, wherein the resistor element is located remote from the charging inlet assembly. ### Claim 3 (depends on 1) The resistor module of claim 1, wherein the proximity wire and the ground wire extend from the first end of the resistor module housing to the charging inlet assembly. ### Claim 4 (depends on 1) The resistor module of claim 1, wherein the proximity wire and the ground wire are flexible between the resistor module housing and the charging inlet assembly. ### Claim 5 (depends on 1) The resistor module of claim 1, wherein the resistor module housing includes a mounting bracket, the mounting bracket being mounted to an exterior of a charging inlet housing of the charging inlet assembly. ### Claim 6 (depends on 1) The resistor module of claim 1, wherein the resistor module housing includes a mounting bracket, the mounting bracket being mounted to the electric vehicle remote from the charging inlet assembly. ### Claim 7 (depends on 1) The resistor module of claim 1, wherein the mating end of the proximity contact includes an insulation displacement contact interface coupled to the resistor element, and wherein the mating end of the ground contact includes an insulation displacement contact interface coupled to the resistor element. ### Claim 8 (depends on 1) The resistor module of claim 1, wherein the resistor element includes a first lead and a second lead, the mating end of the proximity contact being coupled to the first lead, the mating end of the ground contact being coupled to the second lead. ### Claim 9 (depends on 1) The resistor module of claim 1, wherein the resistor module housing includes an outer housing defining the inner cavity and an inner housing received in the outer housing, the inner housing holding the proximity contact and the ground contact. ### Claim 10 (depends on 9) The resistor module of claim 9, wherein the resistor module housing includes a perimeter seal between the inner housing and the outer housing. ### Claim 11 (depends on 1) The resistor module of claim 1, wherein the resistor module housing includes an end cap closing the inner cavity and sealing the resistor element in the resistor module housing. ### Claim 12 A charging inlet assembly for an electric vehicle comprising: a charging inlet housing extending between a front and a rear, the charging inlet housing having a chamber at the rear, the housing having a power connector at the front for receiving a charging connector, the power connector including terminal channels between the front and the rear; power terminals coupled to the housing, each of the power terminals including a mating pin and a terminating end opposite the mating pin, the mating pin positioned in the corresponding terminal channel for mating with the charging connector, the terminating end positioned in the chamber at the rear of the housing; a proximity terminal coupled to the housing, the proximity terminal including a mating pin and a terminating end opposite the mating pin, the mating pin of the proximity terminal positioned in the corresponding terminal channel for mating with the charging connector, the terminating end of the proximity terminal positioned in the chamber at the rear of the housing; a ground terminal coupled to the housing, the ground terminal including a mating pin and a terminating end opposite the mating pin, the mating pin of the ground terminal positioned in the corresponding terminal channel for mating with the charging connector, the terminating end of the ground terminal positioned in the chamber at the rear of the housing; and a resistor module including a resistor module housing having an inner cavity, a proximity contact received in the inner cavity and held by the resistor module housing, a ground contact received in the inner cavity and held by the resistor module housing, and a resistor element received in the inner cavity of the resistor module housing, the proximity contact connected to a proximity wire electrically connected to the proximity terminal of the charging inlet assembly, the ground contact connected to a ground wire electrically connected to the ground terminal of the charging inlet assembly, the resistor element being coupled to the proximity contact and the ground contact, wherein the resistor element is electrically connected to the proximity terminal through the proximity wire and the proximity contact, and wherein the resistor element is electrically connected to the ground terminal through the ground wire and the ground contact. ### Claim 13 (depends on 12) The charging inlet assembly of claim 12, further comprising a first wire and a second wire, wherein the proximity wire and the first wire are both electrically coupled to and extend from the proximity terminal to an exterior of the charging inlet housing, and wherein the ground wire and the second wire are both electrically coupled to and extend from the ground terminal to an exterior of the charging inlet housing. ### Claim 14 (depends on 13) The charging inlet assembly of claim 13, wherein the proximity wire and the first wire are both crimped to the proximity terminal, and wherein the ground wire and the second wire are both crimped to the ground terminal. ### Claim 15 (depends on 12) The charging inlet assembly of claim 12, wherein the resistor element is located exterior of and remote from the charging inlet housing. ### Claim 16 (depends on 12) The charging inlet assembly of claim 12, wherein the proximity wire and the ground wire extend between the resistor module housing and the charging inlet housing. ### Claim 17 (depends on 12) The charging inlet assembly of claim 12, wherein the resistor module housing includes a mounting bracket, the mounting bracket being mounted to an exterior of the charging inlet housing. ### Claim 18 (depends on 12) The charging inlet assembly of claim 12, wherein the resistor module housing includes a mounting bracket, the mounting bracket being mounted to the electric vehicle remote from the charging inlet assembly. ### Claim 19 (depends on 12) The charging inlet assembly of claim 12, wherein the resistor module housing includes an outer housing defining the inner cavity and an inner housing received in the outer housing, the inner housing holding the proximity contact and the ground contact. ### Claim 20 A charging inlet assembly for an electric vehicle comprising: a charging inlet housing extending between a front and a rear, the charging inlet housing having a chamber at the rear, the housing having a power connector at the front for receiving a charging connector, the power connector including terminal channels between the front and the rear; power terminals coupled to the housing, each of the power terminals including a mating pin and a terminating end opposite the mating pin, the mating pin positioned in the corresponding terminal channel for mating with the charging connector, the terminating end positioned in the chamber at the rear of the housing; a proximity terminal coupled to the housing, the proximity terminal including a mating pin and a terminating end opposite the mating pin, the mating pin of the proximity terminal positioned in the corresponding terminal channel for mating with the charging connector, the terminating end of the proximity terminal positioned in the chamber at the rear of the housing; a ground terminal coupled to the housing, the ground terminal including a mating pin and a terminating end opposite the mating pin, the mating pin of the ground terminal positioned in the corresponding terminal channel for mating with the charging connector, the terminating end of the ground terminal positioned in the chamber at the rear of the housing; and a resistor module including a resistor element electrically connected to the proximity terminal and the ground terminal, the resistor element being located exterior of the charging inlet housing.