Patent ID: 6062206
Filing Date: 2000-05-16
Classification: F01M

Abstract:
An internal combustion engine comprising:a crankcase;an intake manifold; anda positive crankcase ventilation system for selectively circulating gases from the crankcase to the intake manifold, said positive crankcase ventilation system communicating with said intake manifold to define a mixing zone where said circulated gases are mixed with ambient air from said intake manifold, said positive crankcase ventilation system including a heater coupled to said engine proximate to said mixing zone, said heater havinga fitting having a plug,a heat sink coupled to said fitting, said fitting and heat sink defining a gas flow path having a first end and a second end, said second end defining a discharge port communicating with the mixing zone, said heat sink being in heat exchange relationship with said discharge port, anda heating element coupled to said fitting and being electrically connectable to a power source, said heating element thermally engaging said heat sink to communicate heat from said heating element to said heat sink.