Patent ID: 7080704
Filing Date: 2006-07-25
Classification: B62M

Abstract:
1. A snowmobile comprising: a longitudinally extending chassis having a front portion and a rear portion, the chassis supporting a liquid-cooled engine proximate the front portion and an operator seat proximate the rear portion, the engine including coolant passages for carrying liquid coolant that absorbs heat generated by the engine during operation, the engine powering a drive track operatively connected to the chassis proximate the rear portion, the chassis front portion mounting a pair of steerable skis and supporting a body assembly, the body assembly containing the engine and a heat exchanger, the heat exchanger housed within the body assembly, connected in fluid communication with the engine coolant passages, and adapted to dissipate heat from the liquid coolant, the body assembly having airflow inlet openings and outlet apertures for allowing ambient air into and out of the body assembly and in contact with the heat exchanger, the body assembly formed by an upwardly open nosepan covered by a hood, the heat exchanger contained within the nosepan, the heat exchanger located forward of the engine.