Closed circuit for refrigerau00c7u00e7o continues to water of drum brake for truck, bus and mecaniicos horses, carts. This project consists of a drum brakes developed in the galleries (as per the drawing 1) in a manner that allows the water driven by pump to circulate the galleries making heat exchange, this drum was developed exclusively for this project.This project also consists of a mechanical device counting (as drawing (2 or 5). The device shall be responsible for the entry to the water outlet in the brake drums (as sketch No 3 or 4, or 6) and was developed exclusively for this project.The cooling system of water should be mounted with the water radiator or with a refrigeration unit with water cylinder with internal sepentina for cooling water (as sketch No 3 or 4, or 6). The cooling system of the water will depend on the working conditions of each car.Then, the system will operate with a bomb that will take the water from the cylinder (water reservoir) and through pipes or hoses injects cold water in the brake drums (drawing No. 1) by mechanical device (rotating sketch No 2 or 5). The water after exchanging heat drum brakes returns to the refrigeration unit of water.
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