Sit-on floor cleaning machine has double walled hood with outlet opening(s) for air that is passed over internal combustion engine and parts of exhaust system in engine compartment as cooling air

摘要

The machine has a double walled hood (30) with an air passage chamber between its walls, an inlet opening in the hood for the entry of air from the outlet opening (17) of a fan, at least one outlet opening (36,37) for air that is passed over the internal combustion engine and the parts of the exhaust system in the engine compartment as cooling air. The at least one air outlet opening is located in the rear area of the hood.