JP3249337U - Wheel spacer type brake cooling device - Google Patents

Abstract

A wheel spacer type brake cooling device is provided that promotes cooling of the brake disc rotor, brake caliper, brake pads, and the periphery of the brake drum, and effectively functions to stabilize braking performance.
[Solution] The wheel spacer type brake cooling device 1 is a disk of any thickness with drilled holes for hub bolt holes and hub fitting holes, and is basically shaped like a wheel spacer that is sandwiched between the hub and wheel 8, with multiple impeller blades 3 arranged radially around its outer periphery. The wheel spacer type brake cooling device 1 is fitted with a brake disc rotor 6 and hub bolts 10, and the wheel 8 is attached. Wind from the traveling vehicle is guided from the outer side in the direction of travel (rotation) to the sliding surfaces of the brake disc rotor 6, which acts as a heat source, and brake pads 7.
[Selected figure] Figure 2

Description

This invention relates to a brake cooling device that is a wheel spacer that is retrofitted between the brake disc rotor and the brake drum (hub) of an automobile (or the like) and the wheel, and has impeller blades arranged on the outer periphery.

Frictional heat is generated between the brake disc rotor and brake pads, or between the brake drum and brake shoes, mainly when braking in an automobile. The more frequently the vehicle is used, the higher the ambient temperature becomes. As this heat accumulates, the coefficient of friction decreases, and the braking force of the brakes tends to decrease.

Japanese Patent Application Publication No. 05-068763

In order to guide the airflow to the brake disc rotor, brake pads, brake saddle or brake drum to cool them and stabilize braking performance, it was complicated and difficult to arrange and install air guide plates and ducts.

This invention was made with an eye on these problems, and aims to solve the above problems by providing a wheel spacer-type cooling device with impeller blades arranged on the outer periphery that can be easily installed by sandwiching it between the hub and the wheel.

In order to achieve the above object, the present invention is characterized by a shape in which multiple blades are arranged on the outer periphery of a wheel spacer-type disk.

When driving or braking, the cyclone effect directs the wind from the outside of the wheel to the brake discs, brake pads, brake calipers or brake drums, cooling them and stabilizing braking performance.
Alternatively, the cyclone effect can be used to expel hot air from the inside of the wheel to the outside of the wheel, which also stabilizes braking performance. It also contributes to stabilizing braking performance by stirring up the heat pool around the brakes.

FIG. 1 is a conceptual perspective view of a wheel spacer type brake cooling device 1 of the present invention. 1 is a diagram showing the relationship between a brake disc rotor 6, a brake pad 7, a wheel 8 and a wheel spacer type cooling device 1. FIG. 2 is a diagram showing the relationship between a brake drum 11 and a wheel spacer type cooling device 1. This is a relationship diagram of the direction 1a of the impeller blades that introduce the running wind from the outer side to the brake disc rotor 6 and the brake pad 7. The shape is symmetrical with respect to the left and right of the vehicle. This is a relationship diagram of the direction 1b of the impeller blades that discharge brake heat to the outside of the brake disc rotor 6 and the brake pad 7. The shape is symmetrical with respect to the left and right of the vehicle. A cross-sectional configuration diagram of a brake disc rotor 6, a brake pad 7, a wheel 8, a hub 9 and a wheel spacer type cooling device 1 is shown.

Multiple impeller blades are arranged radially around the outer periphery of the wheel spacer shape, and the direction and angle of the blades are optimally positioned toward the brake sliding part. By being sandwiched and attached between the wheel hub and the wheel, the impeller blades generate airflow due to the rotational force of the axle.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

Figure 1 shows an overview of the wheel spacer type cooling device 1 of the present invention. The device is based on a shape similar to a wheel spacer, with hub bolt holes 4a, 4b, 4c, 4d and hub fitting holes 5 drilled into a disk of arbitrary thickness 2 and sandwiched between a hub 9 and a wheel 8, and has multiple impeller blades 3 arranged radially around its outer periphery.

The wheel spacer type cooling device 1 is fitted with the brake disc rotor 6 and hub bolts 10, and the wheel 8 is attached from the outside. At this time, the impeller blades 3 of the wheel spacer type cooling device 1 are arranged facing the brake pads 7, as shown in FIG.

The wheel spacer type cooling device 1 is fitted onto the brake drum 11 by the hub bolts 10, and the wheel 8 is then attached from the outside. At this time, the impeller blades 3 of the wheel spacer type cooling device 1 are arranged facing the brake drum 11, as shown in FIG.

A first example of the use of the wheel spacer type cooling device of the present invention is shown in Figure 4. In this example 1a, the wind from the vehicle is guided to the sliding surface of the brake disc rotor 6 and brake pad 7, which are heat sources, from the outer side in the direction of travel (rotation).

The second example of the use of the wheel spacer type cooling device of the present invention is shown in Figure 5. This is 1b, which guides the hot air around the brake rotor 6 and brake pads 7 to the outside in the direction of travel (rotation).

6 is a cross-sectional view showing the relationship between the hub 9, hub bolts 10, brake disc rotor 6, brake pads 7, wheel 8 and wheel spacer type cooling device 1. The number of impeller blades of the wheel spacer type cooling device 1 and the angle at which the wind is guided to the brake pads and brake disc rotor 6 can be designed to have an optimal structure.

The above describes the form for carrying out the invention with reference to the drawings, but the specific configuration is not limited to the form example, and the invention also includes changes and additions within the scope that does not deviate from the gist of the invention.

Reference Signs List 1a Wheel spacer type brake cooling device - direction of airflow introduction when traveling 1b Wheel spacer type brake cooling device - direction of hot air discharge 2 Plate thickness portion 3 Impeller blade 4a Hub bolt hole 4b Hub bolt hole 4c Hub bolt hole 4d Hub bolt hole 5 Hub fitting hole 6 Brake disc rotor 7 Brake pad 8 Wheel 9 Hub 10 Hub bolt 11 Brake drum

Claims (3)

A cyclone effect is generated by centrifugal force generated by multiple blades (impeller vanes) using the rotational force of the axle and brake hub. This effect guides the wind from the outside of the wheel to the brake disc, brake pads, brake caliper, and brake drum. A wheel spacer type brake cooling device characterized by reversing the direction of the impeller blades from that of claim 1 while keeping the rotation direction of the axle the same, thereby discharging heated air around the brake disc, brake pads, brake calipers and brake drum to the outer surface by the cyclone effect from the inner surface of the wheel. A wheel spacer type brake cooling device that agitates and eliminates heat accumulation around brake discs, brake pads, brake calipers and drum brakes by rotating blades (impeller blades).