Apparatus for mounting vehicle battery

Patent metadata

Field	Value
Publication number	US-2025368024-A1
Application number	US-202418968209-A
Country	US
Kind code	A1
Filing date	Dec 4, 2024
Priority date	Jun 4, 2024
Publication date	Dec 4, 2025
Grant date	—

Abstract

An apparatus for mounting a vehicle battery includes an underbody including a center floor and rear floor, and one or at least two cross members, longitudinal members, battery mounting brackets, etc. are mounted to a bottom portion of the underbody, allowing batteries in different sizes to be selectively mounted to the underbody and easily protecting the mounted batteries from a rear collision.

First claim

The invention claimed is:

1 . An apparatus for mounting a vehicle battery, the apparatus comprising:
an underbody having a structure including a center floor and a rear floor, wherein a battery selected from a plurality of batteries of different sizes is mounted to the center floor, and wherein a rear sub-frame is mounted to the rear floor, wherein the center floor and the rear floor are formed as a single structure; a first cross member mounted on a front bottom surface of the rear floor; at least two longitudinal members connected between the center floor and the first cross member; and a plurality of battery mounting brackets each of the plurality of battery mounting brackets being mounted at a predetermined position on a front-rear lengthwise section of each of the at least two longitudinal members to mount a rear end portion of the battery.

2 . The apparatus according to claim 1 , wherein the first cross member has a plurality of opposite side end portions each connected to a corresponding one of rear side members each integrated with a corresponding one of opposite rear end side portions of the center floor.

3 . The apparatus according to claim 1 , further comprising a second cross member mounted to a rear bottom surface of the center floor, wherein a front end portion of each of the at least two longitudinal members is connected to the second cross member.

4 . The apparatus according to claim 3 , wherein the second cross member has opposite side end portions each connected to a corresponding one of rear side members each integrated with a corresponding one of opposite side portions of the rear floor.

5 . The apparatus according to claim 1 , wherein the battery has a rear end portion provided with a mounting plate mounted to a lower end portion of the battery mounting bracket.

6 . The apparatus according to claim 1 , wherein, so as to mount a first battery, selected from the plurality of batteries of different sizes and having a longitudinal length greater than that of a second battery, each of the plurality of battery mounting brackets is mounted at a rear predetermined position on the front-rear lengthwise section of each of the at least two longitudinal members.

7 . The apparatus according to claim 6 , wherein, so as to mount the second battery, selected from the plurality of batteries of different sizes and having a longitudinal length smaller than that of the first battery, each of the plurality of battery mounting brackets is mounted at a front predetermined position on the front-rear lengthwise section of each of the at least two longitudinal members.

8 . The apparatus according to claim 1 , wherein each of the plurality of battery mounting brackets has a vertical length that is set to a length in which an upper surface portion of the battery is arranged lower than a bottom surface of a cross bar of the rear sub-frame by a set height.

9 . The apparatus according to claim 8 , wherein the cross bar of the rear sub-frame is disposed rearward of each of the plurality of battery mounting brackets.

10 . The apparatus according to claim 1 , wherein, when a cross bar of the rear sub-frame is pushed forward and hits each of the plurality of battery mounting brackets in an event of a rear collision of a vehicle, and each of the plurality of battery mounting brackets absorbs an impact energy resulting from the hit and is deformed.

11 . An apparatus for mounting a vehicle battery, the apparatus comprising:
an underbody having a structure including a center floor and a rear floor, wherein a battery selected from a plurality of batteries of different sizes is mounted to the center floor, and wherein a rear sub-frame is mounted to the rear floor, wherein the center floor and the rear floor are formed as a single structure; a first cross member mounted on a front bottom surface of the rear floor; a second cross member mounted on a rear bottom surface of the center floor; at least two longitudinal members connected between the first cross member and the second cross member; and a plurality of battery mounting brackets each mounted at a predetermined position on a front-rear lengthwise section of each of the at least two longitudinal members.

12 . The apparatus according to claim 11 , wherein the first cross member has a plurality of opposite side end portions each connected to a corresponding one of rear side members each integrated with a corresponding one of opposite rear end side portions of the center floor.

13 . The apparatus according to claim 11 , wherein the second cross member has a plurality of opposite side end portions each connected to a corresponding one of rear side members each integrated with a corresponding one of opposite side portions of the rear floor.

14 . The apparatus according to claim 11 , wherein the battery has a rear end portion provided with a mounting plate mounted to a lower end portion of each of the plurality of battery mounting brackets.

15 . The apparatus according to claim 11 , wherein, so as to mount a first battery, selected from the plurality of batteries of different sizes and having a longitudinal length greater than that of a second battery, each of the plurality of battery mounting brackets is mounted at a rear predetermined position on the front-rear lengthwise section of each of the at least two longitudinal members.

16 . The apparatus according to claim 15 , wherein, so as to mount the second battery, selected from the plurality of batteries of different sizes and having a longitudinal length smaller than that of the first battery, each of the plurality of battery mounting brackets is mounted at a front predetermined position on the front-rear lengthwise section of each of the at least two longitudinal members.

17 . The apparatus according to claim 11 , wherein each of the plurality of battery mounting brackets has a vertical length that is set to a length in which an upper surface portion of the battery is arranged lower than a bottom surface of a cross bar of the rear sub-frame by a set height.

18 . The apparatus according to claim 17 , wherein the cross bar of the rear sub-frame is disposed rearward of each of the plurality of battery mounting brackets.

19 . The apparatus according to claim 11 , wherein, when a cross bar of the rear sub-frame is pushed forward and hits each of the plurality of battery mounting brackets in an event of a rear collision of a vehicle, and each of the plurality of battery mounting brackets absorbs an impact energy resulting from the hit and is deformed.

Assignees

• Hyundai Motor Co Ltd
• Kia Corp

Inventors

• Park Hyun Wook
• Min Huen Sick

Classifications

• B60K2001/0416

  Arrangement in the rear part of the vehicle · CPC title

• H01M50/242

  adapted for protecting batteries against vibrations, collision impact or swelling · CPC title

• B60K1/04 Primary

  of the electric storage means for propulsion · CPC title

• B60K2001/0438

  Arrangement under the floor · CPC title

• H01M50/249

  specially adapted for aircraft or vehicles, e.g. cars or trains (constructional details of batteries specially adapted for electric vehicles B60L50/64) · CPC title