초록 ▼

An air intake heater system for internal combustion engines is disclosed including a microprocessor controller, intake manifold air temperature sensing means, water in fuel sensors, electrical air heating elements actuated by the microprocessor, and system status indicators. Additionally, fuel injec

An air intake heater system for internal combustion engines is disclosed including a microprocessor controller, intake manifold air temperature sensing means, water in fuel sensors, electrical air heating elements actuated by the microprocessor, and system status indicators. Additionally, fuel injector timing is altered by the microprocessor depending upon intake manifold air temperature. Air intake heating is provided to assist cold weather starting of engines as well as for minimizing white smoke pollutants produced by diesel engines. Power consumption of the device is maintained below a predetermined level by judicious use of the microprocessor controller in conjunction with the electrical heating elements.

대표청구항 ▼

An air intake heater system for use with an internal combustion engine having a battery and corresponding charging system, said air intake heater system comprising: (a) electrical air intake heater means for heating intake manifold air; (b) temperature monitoring means for monitoring intake manifold

An air intake heater system for use with an internal combustion engine having a battery and corresponding charging system, said air intake heater system comprising: (a) electrical air intake heater means for heating intake manifold air; (b) temperature monitoring means for monitoring intake manifold air temperature, said temperature monitoring means producing a temperature signal corresponding to intake manifold air temperature; (c) first circuit means responsive to said temperature signal and producing a first signal of variable duration based upon said temperature signal; (d) second circuit means responsive to said temperature signal and producing a second signal of variable duration based upon said temperature signal when said battery voltage exceeds a predetermined limit; and (e) third circuit means responsive to said first and said second signals, said third circuit means supplying a power signal from said battery to said electrical air intake heater means in response to said first and second signals.