# US 11,309,601 B2 · Battery system

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 11,309,601 B2
- Document ID: US11309601B2
- Status: Granted
- Kind: B2
- Application number: 16/226,402
- Filed: 2018-12-19
- Published: 2019-06-20
- Granted: 2022-04-19
- Earliest claimed: 2017-12-19
- Assignees: Webasto SE
- Applicants: Webasto SE
- Inventors: Jochen Haussmann; Michael Schoenberger; Yamara Rios-Leon; Philipp Brucker
- Web page: https://patentgrep.com/patent/US11309601B2

## CPC

- H01M 10/658: by thermal insulation or shielding
- H01M 50/124: having a layered structure
- H01M 50/1245: {characterised by the external coating on the casing}
- H01M 50/204: Racks, modules or packs for multiple batteries or multiple cells
- H01M 50/224: Metals
- H01M 50/24: adapted for protecting batteries from their environment, e.g. from corrosion (thermal insulation H01M10/658)
- H01M 50/242: adapted for protecting batteries against vibrations, collision impact or swelling
- H01M 50/264: for cells or batteries, e.g. straps, tie rods or peripheral frames
- H01M 50/293: characterised by the material
- 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
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

A battery system for holding battery cells in order to form a motor vehicle battery, includes a housing, system components for fastening and contacting the battery cells in the housing, and a foam body held in the housing for displacing air volume. The foam body has a recess for receiving a system component.

## Claims

### Claim 1

A battery system for holding battery cells to form a motor vehicle battery, comprising:
a housing;
a plurality of system components configured to fasten and contact the battery cells in the housing; and
a foam body held in the housing configured to displace air volume, wherein:
the foam body comprises a recess configured to receive a system component from the plurality of system components,
the foam body is connected to a portion of the housing and is configured to dampen vibration,
the foam body contacts the portion of the housing only in selected sections that enable resonance frequencies to be shifted,
the recess is part of a first foam body module,
the foam body further comprises a second foam body module comprising a second recess configured to receive a second system component from the plurality of system components,
the first foam body module is arranged in a middle portion of the portion of the housing,
the second foam body module is arranged in marginal regions of the portion of the housing, and
a mass of the first foam body module is heavier than a mass of the second foam body module.

### Claim 2 (depends on 1)

The battery system of claim 1, wherein the foam body further comprises a fire-retardant material.

### Claim 3 (depends on 2)

The battery system of claim 2, wherein the fire-retardant material comprises an expanded polypropylene material.

### Claim 4 (depends on 1)

The battery system of claim 1, wherein the recess has a shape that is complementary to a shape of the system component that enables the system component to be received in the recess.

### Claim 5 (depends on 1)

The battery system of claim 1, wherein the portion of the housing comprises a cover portion of the housing.

### Claim 6 (depends on 1)

The battery system of claim 1, wherein the foam body is integrally bonded to the portion of the housing.

### Claim 7 (depends on 1)

The battery system of claim 1, wherein the first foam body module has a first mass, first dampening properties, and/or first elastic properties, the second foam body module has a second mass different from the first mass, second dampening properties different from the first dampening properties, and/or second elastic properties different from the first elastic properties, and the first foam body module and the second foam body module are connected to the housing to influence vibration.

### Claim 8 (depends on 1)

The battery system of claim 1, wherein the first foam body module has a first mass, first dampening properties, and/or first elastic properties, the second foam body module has a second mass different from the first mass, second dampening properties different from the first dampening properties, and/or second elastic properties different from the first elastic properties, and the first foam body module and the second foam body module are connected to the plurality of system components to influence vibration.

### Claim 9 (depends on 1)

The battery system of claim 1, wherein the foam body directly contacts the housing and/or the system component to influence vibration of the housing and/or the system component.

### Claim 10 (depends on 1)

The battery system of claim 1, wherein the housing comprises a metallic material.

### Claim 11 (depends on 10)

The battery system of claim 10, wherein the metallic material comprises aluminum.

### Claim 12 (depends on 1)

The battery system of claim 1, wherein the plurality of system components comprises cables, electronic components, or sensors.

### Claim 13

A battery system for holding battery cells to form a motor vehicle battery, comprising:
a metallic housing;
a plurality of system components configured to fasten and contact the battery cells in the metallic housing; and
a foam body held in the metallic housing configured to displace air volume, wherein:
the foam body comprises a recess configured to receive a system component from the plurality of system components and the foam body comprises a fire-retardant material,
the foam body is connected to a portion of the metallic housing and is configured to dampen vibration,
the foam body contacts the portion of the metallic housing only in selected sections that enable resonance frequencies to be shifted,
the recess is part of a first foam body module,
the foam body further comprises a second foam body module comprising a second recess configured to receive a second system component from the plurality of system components,
the first foam body module is arranged in a middle portion of the portion of the metallic housing,
the second foam body module is arranged in marginal regions of the portion of the metallic housing, and
a mass of the first foam body module is heavier than a mass of the second foam body module.

### Claim 14 (depends on 13)

The battery system of claim 13, wherein the fire-retardant material comprises an expanded polypropylene material.

### Claim 15 (depends on 13)

The battery system of claim 13, wherein the recess has a shape that is complementary to a shape of the system component that enables the system component to be received in the recess.

### Claim 16 (depends on 13)

The battery system of claim 13, wherein the foam body directly contacts the metallic housing and/or the system component to influence vibration of the housing and/or the system component.

### Claim 17 (depends on 13)

The battery system of claim 13, wherein the foam body is integrally bonded to the portion of the metallic housing by gluing.

### Claim 18

A battery system for holding battery cells to form a motor vehicle battery, comprising:
a housing;
a plurality of system components configured to fasten and contact the battery cells in the housing; and
a foam body held in the housing configured to displace air volume, wherein:
the foam body comprises a recess configured to receive a system component from the plurality of system components,
the foam body is connected to a portion of the housing and is configured to dampen vibration,
the foam body contacts the portion of the housing only in selected sections that enable resonance frequencies to be shifted,
the recess is part of a first foam body module,
the foam body further comprises a second foam body module comprising a second recess configured to receive a second system component from the plurality of system components,
the first foam body module is arranged in a middle portion of the portion of the housing,
the second foam body module is arranged in marginal regions of the portion of the housing,
the first foam body module has a first mass, first dampening properties, and first elastic properties, the second foam body module has a second mass different from the first mass, second dampening properties different from the first dampening properties, and second elastic properties different from the first elastic properties, and
the first mass of the first foam body module is heavier than the second mass of the second foam body module.

### Claim 19 (depends on 18)

The battery system of claim 18, wherein the foam body further comprises a fire-retardant material.

### Claim 20 (depends on 19)

The battery system of claim 19, wherein the fire-retardant material comprises an expanded polypropylene material.
