# US 12,594,999 B2 · Side sill bracket and side sill assembly for vehicle including the same

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- Number: US 12,594,999 B2
- Document ID: US12594999B2
- Status: Granted
- Kind: B2
- Application number: 18/235,265
- Filed: 2023-08-17
- Published: 2024-08-29
- Granted: 2026-04-07
- Earliest claimed: 2023-02-28
- Assignees: Hyundai Motor Company; Kia Corporation
- Applicants: Hyundai Motor Company; Kia Corporation
- Inventors: Byung-Jo Kim; Seung-Gu Kim
- Web page: https://patentgrep.com/patent/US12594999B2

## CPC

- B62D 25/025: {Side sills thereof}
- B62D 21/157: {for side impacts}
- B62D 29/002: {a foamable synthetic material or metal being added in situ (shaping of substances in a plastic state by foaming, in general B29C44/00)}
- B62D 27/023: {Assembly of structural joints}
- B62D 27/065: {using screwthread (connection of crossbeam to A- pillars B62D25/147; mounting load bearing surfaces B62D21/09; securing mudguards B62D25/163; connections for synthetic parts B62D29/048)}
- B62D: MOTOR VEHICLES; TRAILERS (steering, or guiding on a desired track, of agricultural machines or implements A01B69/00; wheels, castors, axles, increasing wheel adhesion B60B; vehicle tyres, tyre inflation or tyre changing B60C; connections between vehicles of a train or the like B60D; vehicles for use on rail and road, amphibious or convertible vehicles B60F; suspension arrangements B60G; heating, cooling, ventilating or other air treating devices B60H; windows, windscreens, non-fixed roofs, doors or similar devices, protective coverings for vehicles not in use B60J; propulsion plant arrangements, auxiliary drives, transmissions, controls, instrumentation or dashboards B60K; electric equipment or propulsion of electrically-propelled vehicles B60L; power supply for electrically-propelled vehicles B60M; passenger accommodation not otherwise provided for B60N; adaptations for load transportation or to carry special loads or objects B60P; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; vehicles, vehicle fittings or vehicle parts not otherwise provided for B60R; servicing, cleaning, repairing, supporting, lifting, or manoeuvring, not otherwise provided for, B60S; brake arrangements, brake control systems or parts thereof B60T; air-cushion vehicles B60V; motor-cycles, accessories therefor B62J, B62K; testing of vehicles G01M)

## Abstract

A side sill assembly for a vehicle includes a side sill inner, a side sill outer including an upper end portion and a lower end portion connected to the side sill inner, and a reinforcement member disposed between the side sill internal and the side sill outer in a longitudinal direction of the vehicle and fastened to the side sill internal further includes a side sill bracket mounted between the side sill outer and the reinforcement member and configured to support the side sill outer and the reinforcement member between the side sill outer and the reinforcement member to improve a stiffness against a side collision.

## Claims

### Claim 1

A side sill bracket of a side sill assembly for a vehicle, the side sill bracket comprising:
an external bonding portion configured to be coupled to a side sill outer of the side sill assembly;
an internal support portion formed stepwise with the external bonding portion; and
a connection portion connecting the external bonding portion and the internal support portion,
wherein the internal support portion is supported in contact with a reinforcement member fastened to a side sill internal connected to the side sill outer of the side sill assembly, and
wherein a foaming member is attached between the internal support portion and the reinforcement member.

### Claim 2 (depends on 1)

The side sill bracket of claim 1, wherein the connection portion is connected to the external bonding portion and the internal support portion by a curved surface.

### Claim 3 (depends on 2)

The side sill bracket of claim 2, wherein a portion of the connection portion connected to the external bonding portion and a portion of the connection portion connected to the internal support portion are curved in opposite directions to each other.

### Claim 4 (depends on 2)

The side sill bracket of claim 2, wherein in the connection portion, a curved surface of the connection portion connected to the external bonding portion and a curved surface of the connection portion connected to the internal support portion are inflected.

### Claim 5 (depends on 1)

The side sill bracket of claim 1, wherein a reinforcing portion having a predetermined depth from the internal support portion is formed on the internal support portion.

### Claim 6 (depends on 5)

The side sill bracket of claim 5, wherein the reinforcing portion is connected to the internal support portion by a curved surface.

### Claim 7 (depends on 1)

The side sill bracket of claim 1, wherein the external bonding portion is configured to be coupled to an upper surface, an internal surface, and a lower surface of the side sill outer of the side sill assembly.

### Claim 8 (depends on 1)

The side sill bracket of claim 1, wherein to form a gap with the reinforcement member, the foaming member is attached to the external bonding portion, the internal support portion, and the connection portion and then foamed to fill the gap with the reinforcement member.

### Claim 9

A side sill assembly for a vehicle, the side sill assembly comprising:
a side sill inner and a side sill outer including an upper end portion and a lower end portion connected to the side sill inner;
a reinforcement member disposed between a side sill internal and the side sill outer in a longitudinal direction of the vehicle and fastened to the side sill internal; and
a side sill bracket mounted between the side sill outer and the reinforcement member and configured to support the side sill outer and the reinforcement member between the side sill outer and the reinforcement member,
wherein a foaming member is attached to the side sill bracket, and the foaming member fills a gap between the side sill bracket and the reinforcement member, and
wherein to form a gap with the reinforcement member, the foaming member is attached to the side sill bracket and then foamed to fill the gap between the side sill bracket and the reinforcement member.

### Claim 10 (depends on 9)

The side sill assembly of claim 9, wherein the side sill bracket is coupled to one of the side sill outer and an external surface of the reinforcement member and provided in contact with another of the side sill outer and the external surface of the reinforcement member.

### Claim 11 (depends on 9)

The side sill assembly of claim 9, wherein the side sill bracket includes:
an external bonding portion coupled to the side sill outer;
an internal support portion formed stepwise with the external bonding portion and in contact with the reinforcement member; and
a connection portion connecting the external bonding portion and the internal support portion.

### Claim 12 (depends on 11)

The side sill assembly of claim 11,
wherein the connection portion is connected to the external bonding portion and the internal support portion by a curved surface, and
wherein a portion of the connection portion connected to the external bonding portion and a portion of the connection portion conned to the internal support portion are curved in opposite directions to each other.

### Claim 13 (depends on 11)

The side sill assembly of claim 11, wherein a reinforcing portion having a predetermined depth from the internal support portion is formed on the internal support portion.

### Claim 14 (depends on 13)

The side sill assembly of claim 13, wherein the reinforcing portion is connected to the internal support portion by a curved surface.

### Claim 15 (depends on 11)

The side sill assembly of claim 11, wherein a foaming member is attached to the internal support portion between the internal support portion and the reinforcement member.

### Claim 16 (depends on 9)

The side sill assembly of claim 9, wherein the side sill bracket is positioned under a portion of the side sill outer to which a center pillar of the vehicle is coupled.

### Claim 17 (depends on 9)

The side sill assembly of claim 9, wherein the side sill bracket is coupled to an internal surface and a lower surface of the side sill outer and fastened to an upper surface of the side sill outer of the side sill assembly.

### Claim 18 (depends on 9)

The side sill assembly of claim 9, wherein a plurality of side sill brackets are provided at intervals in the longitudinal direction of the vehicle.
