# US 12,002,983 B1 · Integrated electrical probe and breather port

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- Number: US 12,002,983 B1
- Document ID: US12002983B1
- Status: Granted
- Kind: B1
- Application number: 18/191,803
- Filed: 2023-03-28
- Granted: 2024-06-04
- Earliest claimed: 2022-12-30
- Assignees: Rivian IP Holdings, LLC
- Applicants: Rivian IP Holdings, LLC
- Inventors: Casey Taylor Dunn; Daniel Alfredo Hernandez Saab
- Web page: https://patentgrep.com/patent/US12002983B1

## CPC

- H01M 50/325: comprising deformable valve members, e.g. elastic or flexible valve members
- H01M 50/204: Racks, modules or packs for multiple batteries or multiple cells
- H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence)
- H01M 50/249: specially adapted for aircraft or vehicles, e.g. cars or trains (constructional details of batteries specially adapted for electric vehicles B60L50/64)
- H01M 50/394: {Gas-pervious parts or elements}
- B60L 50/64: Constructional details of batteries specially adapted for electric vehicles
- H01M 2220/10: Batteries in stationary systems, e.g. emergency power source in plant
- H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane
- Y02E 60/10: Energy storage using batteries
- H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

Aspects of the disclosure relate to a service port for an electrical power supply such as a battery. The service port may be an integrated pressure equalization and electrical probe port. In one or more implementations, the service port may include a housing have an open bore within which an electrical header is disposed. A gap may be provided between the electrical header and the housing to allow airflow though the service port into and/or out of an internal chamber of the electrical power supply for pressure equalization of the internal chamber. In one or more implementations, a breather element may be disposed in a distal end of the housing of the service port.

## Claims

### Claim 1

An apparatus, comprising:
a housing comprising a distal opening and a proximal opening;
an electrical header that extends through the proximal opening and includes one or more electrical contacts disposed within the housing; and
a breather element mounted in the distal opening.

### Claim 2 (depends on 1)

The apparatus of claim 1, wherein the breather element comprises a two-way pressure equalization membrane.

### Claim 3 (depends on 1)

The apparatus of claim 1, wherein the breather element is attached to the housing, at least in part, by a friction fit between a cylindrical portion of the breather element and a sidewall of an open bore of the housing, wherein the friction fit forms a radial seal between the open bore and an external environment.

### Claim 4 (depends on 1)

The apparatus of claim 1, wherein the housing comprises an open bore that extends between the distal opening and the proximal opening, the housing including a threaded portion within the open bore extending from a distal end of the housing toward a proximal end of the housing, and wherein the breather element comprises a threaded portion that is mated to the threaded portion of the housing.

### Claim 5 (depends on 1)

The apparatus of claim 1, further comprising a gap between a sidewall of the proximal opening and a portion of the electrical header that is disposed within the proximal opening.

### Claim 6 (depends on 5)

The apparatus of claim 5, wherein the gap, the housing, and the breather element form a pressure equalization port.

### Claim 7 (depends on 5)

The apparatus of claim 5, wherein the gap forms an airflow pathway between an open bore of the housing and a volume outside the housing.

### Claim 8 (depends on 1)

The apparatus of claim 1, wherein the housing further comprises one or more retention fingers that hold the electrical header within the proximal opening.

### Claim 9 (depends on 1)

The apparatus of claim 1, further comprising:
a base at a proximal end of the housing and configured for attachment to a battery pack frame; and
a gasket configured to seal an interface between the base of the housing and the battery pack frame.

### Claim 10 (depends on 1)

The apparatus of claim 1, wherein the electrical header is electrically coupled to a high voltage harness within a battery pack frame.

### Claim 11 (depends on 1)

The apparatus of claim 1, wherein the apparatus is attached to a battery pack frame.

### Claim 12 (depends on 11)

The apparatus of claim 11, wherein the battery pack frame is disposed in an electric vehicle.

### Claim 13 (depends on 11)

The apparatus of claim 11, wherein the battery pack frame is integrated into an energy storage system for a building.

### Claim 14

A battery pack, comprising:
a pack frame having an interior chamber configured for storing one or more battery cells;
a high voltage harness; and
a pressure equalization port on the pack frame that includes:
a housing having a distal opening and a proximal opening;
an electrical header that is electrically coupled to the high voltage harness, that extends through the proximal opening, and that includes one or more electrical contacts disposed within an open bore of the housing; and
a breather element mounted in the distal opening.

### Claim 15 (depends on 14)

The battery pack of claim 14, wherein the pressure equalization port is configured to equalize an interior pressure within the interior chamber with an external pressure in an environment outside the pack frame.

### Claim 16 (depends on 14)

The battery pack of claim 14, wherein the housing of the pressure equalization port comprises the open bore extending between the distal opening and the proximal opening, the open bore fluidly coupled to the interior chamber within the pack frame.

### Claim 17 (depends on 16)

The battery pack of claim 16, further comprising:
an opening in the pack frame that is aligned with the proximal opening, wherein the electrical header comprises a portion that extends through the opening in the pack frame, and through proximal opening into the open bore.

### Claim 18 (depends on 17)

The battery pack of claim 17, wherein the electrical header is connected to the high voltage harness within the interior chamber via the opening in the pack frame.

### Claim 19

A method of servicing an electrical power supply, the method comprising:
removing a breather element from a distal opening of a service port housing that is attached to a frame of the electrical power supply; and
inserting an electrical connecter through the distal opening into contact with an electrical header disposed within the service port housing.

### Claim 20 (depends on 19)

The method of claim 19, further comprising:
determining, based on the contact between the electrical connecter and the electrical header, that one or more contactors within the electrical power supply are open; and
disconnecting a device from the electrical power supply based on the determining.
