Patent ID: 7428884
Filing Date: 2008-09-30
Classification: A01D

Abstract:
1. A lawn mower comprising: a combustion engine for driving at least one cutting blade for cutting grass, the combustion engine including a flywheel structure at a top portion thereof; first and second hydraulic pumps and corresponding first and second wheel motors, for controlling first and second drive wheels of the mower; a hydraulic fluid tank for holding fluid used in the hydraulic pumps; and a hydraulic fluid tank cooling structure for cooling the tank and/or fluid therein, the cooling structure comprising a baffle located above the flywheel structure of the combustion engine and proximate the hydraulic fluid tank so that rotation of a flywheel of the engine causes air to be sucked into the cooling structure and pass through the cooling structure and across part of the hydraulic fluid tank thereby cooling the tank and/or fluid therein.