Brake cooling mechanism of four-wheeled vehicle
AssigneeKawasaki Jukogyo Kabushiki Kaisha
InventorIzumi Takagi
Life of this patent
Estimating the term…
Abstract
A brake cooling system for a four-wheeled drive automobile effectively releases frictional heat generated in a braking apparatus from a surface of a casing of the braking apparatus, and has enough height of a body of the automobile relative to ground level. The brake cooling system includes an air discharging duct which is connected to an air discharging outlet of a belt cover covering an automatic V-belt transmission. The duct extends to a vicinity of the braking apparatus so as to supply air towards the braking apparatus. The braking apparatus is positioned in front of a final reduction gear for rear wheels, and the casing of the braking apparatus is a common casing inside of which the braking apparatus and the final reduction gear are accommodated.
Claims5
A power unit for rear wheels of a four-wheeled vehicle, the power unit comprising:
- a gear transmission for the rear wheels;
- an automatic V-belt transmission for providing power from an engine to the gear transmission;
- a final reduction gear having an input shaft connected to the gear transmission via a propeller shaft;
- a brake device for the rear wheels mounted to the input shaft of the final reduction gear;
- a belt cover having an air inlet hole and an air discharging hole covering the automatic V-belt transmission, the air inlet hole for receiving air to cool the automatic V-belt transmission and the air discharging hole for outputting the air from the belt cover;
- and
- an air discharging duct connected to the belt cover such that the air discharging duct communicates with the air discharging hole, the air discharging duct having an outlet part for discharging air,
- wherein the air discharging duct extends to a vicinity of the brake device so as to discharge air from the outlet part toward the brake device.
A brake cooling mechanism of a four-wheeled vehicle, the brake cooling mechanism comprising:
- a casing for housing a final reduction gear for rear wheels and a wet multiple-disk braking device, the wet multiple-disk braking device being mounted in front of the final reduction gear in a direction of forward movement of the four-wheeled vehicle;
- and
- an oil sump which is provided in the casing under the wet multiple-disk braking device, wherein a part of the casing which houses the wet multiple-disk braking device has a front surface that is tilted with respect to a direction of width of the four-wheeled vehicle;
- and
- wherein the front surface of the part of the casing forms a front surface of the oil sump.
Dependencies are inferred from the claim text.