TY JOUR TI GAS DISTRIBUTION PHASES HYDRAULIC CONTROLLED INTERNAL COMBUSTION ENGINE VALVES KW gas distribution KW gas exchange KW hydraulic valve drive KW gas distribution phases KW motor stand KW experiment JO Vestnik of Kazan State Agrarian University AU Adigamov, N.. AU Negovora, A.V. AU Zimina, L.A. AU Maximov, A.V. PY 2022 IS 16 PB Kazan state agrarian University