Muffler system for an engine disposed rearwardly of a vehicle

Motor vehicles – Power – Radiators and condensers – mounting

Patent

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Details

180 6922, 181211, 181283, B60K 1104

Patent

active

052285308

ABSTRACT:
A lawn mower having a driver's seat mounted on a vehicle body, an engine mounted rearwardly of the driver's seat, a radiator and a radiator fan disposed between the driver's seat and engine, an engine hood for covering the engine and radiator, and a muffler disposed in a space defined by an upper rear surface of the engine and the engine hood. The hood includes a rear wall defining an exhaust grille, and the muffler has an exhaust outlet opening in a direction along cooling air flows from the radiator fan to the exhaust grille. The cooling air flowing rearwardly by action of the radiator fan passes through the radiator and flows out rearwardly of the vehicle body, carrying heat from upper positions of the engine and heat radiating from the muffler. The muffler releases exhaust gas to be entrained by the cooling air flows.

REFERENCES:
patent: 2940249 (1960-06-01), Gospodar
patent: 3795287 (1974-03-01), Rose
patent: 4265332 (1981-05-01), Presnall et al.
patent: 4766983 (1988-08-01), Tamba et al.
patent: 4828017 (1989-05-01), Watanabe et al.
patent: 5029668 (1991-07-01), Murakawa et al.
patent: 5078223 (1992-01-01), Ishiwatari et al.

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