FIELD: engine engineering.
SUBSTANCE: device comprises cylinder block provided with pistons and head of the cylinder block that receives a nozzle secured in the sleeve. The space between the sleeve and the head of the cylinder block is connected with the oil pump through the oil passages made in the head of the cylinder block. The output of the oil pump is connected with the device for control pressure in the space that receives solenoid-operated valve and by-pass valve that are interconnected and mounted parallel.
EFFECT: improved control of compression ratio.
2 dwg
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