HYDRAULIC ENERGY RECOVERY METHOD AND DEVICE FOR MOTOR TEST BENCHES

摘要

HYDRAULIC ENERGY RECOVERY METHOD AND DEVICE FOR ENGINE TEST BENCHES. /P P THE DEVICE ACCORDING TO THE INVENTION IS REMARKABLE IN THAT IT CONTAINS A PRESSURIZED OIL TANK 106, A VOLUMETRIC HYDRAULIC PUMP 101 COUPLED TO THE TEST MOTOR 100, N HYDRAULIC MOTORS 102, 103, 104 PARALLEL BRANCHES ON THE PUMP CIRCUIT AND SERIES COUPLED ON AN ASYNCHRONOUS ELECTRIC MOTOR 105 CONNECTED TO THE POWER SUPPLY NETWORK WHEN A SUCCESSFUL POWER SUPPLY SYSTEM OF THE N MOTORS IS PROVIDED FOR SUCCESSIVELY TURNING ON THESE MOTORS ACCORDING TO THE GROWTH OF THE PUMP FLOW AND ON THE CONTRACT ISOLATING THEM SUCCESSIVELY AS A FUNCTION OF THE DECREASE IN FLOW RATE, THE SAID MOTORS RUNNING AT THE SAME AND QUANTITY SPEED.