Patent ID: 6152117
Filing Date: 2000-11-28
Classification: F02M,Y02T

Abstract:
A heater for heating air in the intake manifold of an internal combustion engine, said heater comprising:a housing having a first side, a second side, an aperture and a passage extending from said first side to said second side and defining a direction of airflow therethrough;a heating assembly disposed in said passage and coupled to said housing, said heating assembly includinga first heating element having a first end and a second end,a second heating element having a first end and a second end, said first and second heating elements electrically connected in series, anda first bolt assembly mechanically coupling said first end of said first heating element and said first end of said second heating element to said housing, said first end of said first heating element electrically connected to said first bolt assembly, said first bolt assembly electrically connecting said first end of said second heating element to ground, said first heating element being on a first side of said first bolt assembly, said second heating element being on a second side of said first bolt assembly radially opposite said first side.