IP Library Granted Patent US 12687208
Granted Patent B2
US 12687208 · App. 18/307,705 · Granted Jul 21, 2026

Thermal management device

Inventor: Balaji Hosadurgam Ravindranath (Mysore, IN)
Assignee: Transportation IP Holdings, LLC
F16D65/128F16D65/125F16D2065/1332
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Quick Facts
Patent No.
US 12687208
App. No.
18/307,705
Granted
Jul 21, 2026
Kind
B2
Abstract

A thermal management device and method implemented by the same that includes plural blades configured to be disposed between a brake disc and a wheel hub, the blades circumferentially spaced apart from each other around the wheel hub, the blades one or more of positioned or shaped to increase an airflow from outside of the brake disc and the vehicle wheel to locations between the brake disc and the vehicle wheel relative to the blades not being positioned between the brake disc and the wheel hub.

Claims (21)

1 . A thermal management device comprising:

blades configured to be disposed between a brake disc and a wheel hub, the blades circumferentially spaced apart from each other around the wheel hub, the blades one or more of positioned or shaped to direct an airflow from outside of the brake disc and a vehicle wheel to locations between the brake disc and the vehicle wheel,

wherein the blades radially extend from the wheel hub to a radially inner surface of the brake disk and the blades are spaced with gaps therebetween, and

wherein the blades are coupled to the wheel hub and separate from the brake disc and a shaft coupled with the vehicle wheel.

2 . The thermal management device of claim 1 , wherein the blades extend throughout a length of a crevice between the vehicle wheel and the brake disc.

3 . The thermal management device of claim 1 , wherein the blades have a common thickness.

4 . The thermal management device of claim 1 , wherein one or more of the blades has a thickness that varies along a length of the one or more of the blades.

5 . The thermal management device of claim 1 , wherein the blades are circumferentially spaced apart from each other by a common circumferential distance around the wheel hub.

6 . The thermal management device of claim 1 , wherein the blades are biased toward each other near the wheel hub.

7 . The thermal management device of claim 1 , wherein the blades are formed from a different material than the vehicle wheel.

8 . The thermal management device of claim 1 , further comprising the brake disc, the brake disc including a body oriented transverse to a center axis of the wheel hub, the brake disc including protruding fins that face an axially oriented brake surface of the vehicle wheel, the protruding fins of the brake disc formed from a first material, the body of the brake disc formed from a second material that is different from the first material.

9 . The thermal management device of claim 8 , wherein the brake disc is configured to be mounted to a shaft connected with the vehicle wheel, the brake disc including opposing plates with the protruding fins disposed between the plates.

10 . A thermal management device comprising:

a brake disc having a body that includes a wheel-facing surface and an opposite surface, the wheel-facing surface including protruding fins positioned to engage a vehicle wheel between a wheel hub and an outer circumferential surface of the vehicle wheel that engages a surface on which the vehicle wheel rolls, and

a plurality of blades spaced with gaps therebetween disposed between an outer rim of the brake disc and an inner surface of the wheel,

wherein the blades are coupled to the wheel hub and separate from the brake disc and a shaft coupled with the vehicle wheel, and

wherein one or more of:

(a) the body of the brake disc is formed from a first material, and the protruding fins are formed from a second material

(b) the body of the vehicle wheel is formed from the first material, the protruding fins are formed from the second material, and the body of the brake disc is formed from a third material.

11 . The thermal management device of claim 10 , wherein the body of the brake disc is formed from the first material, the protruding fins are formed from the second material, and the first material is different from the second material.

12 . The thermal management device of claim 10 , wherein the body of the vehicle wheel is formed from the first material, the brake disc is formed from the third material, the protruding fins are formed from the second material, and wherein the first material, the second material, and the third material are all different materials.