F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
F02D 43/04 (2006.01)
Patent
CA 2171693
The present invention provides a system for testing an engine designed to be run under the control of an engine control module. The system modifies the operation of the engine while maintaining the engine control module active so as to allow control of the engine to be transferred between the engine management system and the engine control module. The present invention allows an operator to alter the operation of the engine by varying the signals to the engine's injectors and ignition systems. While the engine is operating under user defined injector signals, a simulated exhaust gas signal is provided to the engine control module. This simulated exhaust gas signal allows the engine to be tested under operating conditions where the exhaust gas generated would cause correction by the engine control module making the test condition sought unsustainable. The system can be programmed to periodically return all functions to the engine control module allowing the establishment of new operating parameters for the engine. In a preferred embodiment, the engine management system can also take control of the engine's electronic ignition system allowing the user to alter spark timing and ignition dwell time. In addition to providing integrated injector and ignition control, the engine management system of the present invention allows the user to take engine control from and return engine control to the engine control module without knowing the details of the algorithms used to run the engine control module.
Applied Computer Engineering Inc.
Nichols Angelo H.
Ridout & Maybee Llp
LandOfFree
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