Heat management for control unit

Details Heat management for control unit Heat management for control unit

2007-07-10

2007-07-10

Solis, Erick (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Using multiple injectors or injections

C123S479000

Reexamination Certificate

active

11534164

ABSTRACT:
A method of reducing heat generated in a fuel injector driver controlled by an engine control unit (ECU) of a vehicle engine, the injector coupled to the engine, the method comprising of varying a number of fuel injector injections in an engine cycle as a temperature of the ECU varies, where during a first ECU temperature condition said injector performs a first number of injections in an engine cycle, said first number being at least two injections, and during a second temperature condition higher than said first temperature condition said injector performs a second number of injections less than said first number of injection in an engine cycle, said second number being at least one injection.

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