METHOD AND SYSTEM FOR CONTROLLING TRANSITIONS BETWEEN ENGINE MODES WITH DISENGAGED CYLINDERS (EMBODIMENTS) Russian patent published in 2019 - IPC F02D17/02 F02D13/06 F02D41/30 

Abstract RU 2701426 C2

FIELD: internal combustion engines.

SUBSTANCE: invention can be used in internal combustion engines with disengaged cylinders. Disclosed are methods and system for controlling transitions between operating modes of four-cylinder engine. One of the methods includes transition of four-cylinder engine between modes of operation of two cylinders, three cylinders and four cylinders. Transition comprises a sequence of two ignition acts, said two ignition events follow each other and are separated from each other by interval of 120° of crankshaft rotation angle (CRA).

EFFECT: technical result consists in reduction of noise, vibration and malfunction of engine during transitions between modes of operation of four-cylinder engine.

20 cl, 27 dwg

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RU 2 701 426 C2

Authors

Makkonvill Gregori Patrik

Bojer Bred Alan

Ervin Dzhejms Duglas

Ku Kim Khve

Dates

2019-09-26Published

2015-09-30Filed