Dual-fuel and spark ignited gas internal combustion engine exces

Details Dual-fuel and spark ignited gas internal combustion engine exces Dual-fuel and spark ignited gas internal combustion engine exces

1995-07-26

1996-06-18

Koczo, Michael

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

123564, F02D 2302

Patent

active

055266452

ABSTRACT:
An excess air control system and method (10) for a dual-fuel or spark ignition gas internal combustion engine (12) is provided. The controller (18) senses the exhaust temperature, senses the air manifold temperature, senses the air manifold pressure, and measures the engine power output of the engine (12). Based on these measurements and engine characterization data, a target air manifold pressure is computed. The target air manifold pressure is compared with the sensed air manifold pressure, and an air blowoff valve coupled to an air bypass line linking the air intake to the turbocharger (36) and the air manifold (40) is either opened or closed to achieve the target air manifold pressure.

REFERENCES:
patent: 4603674 (1986-08-01), Tanaka
patent: 4849897 (1989-07-01), Ciccarone
patent: 4873961 (1989-10-01), Tanaka
patent: 5454360 (1995-10-01), Shimizu et al.

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