专利汇可以提供Quick deceleration of internal-combustion engine专利检索,专利查询,专利分析的服务。并且PURPOSE:To achieve quick deceleration, when stopping a reciprocal compression internal-combustion engine, by discharging compressed air in the cylinder with crank angle in the proximity of top dead center of piston into the exhaust tube thereby providing brake function to the internal-combustion engine itself. CONSTITUTION:An electronic control system for an hydraulic exhaust valve is constituted of a hydraulic cylinder 2 for opening/closing an exhaust valve 1, hydraulic piping 4 for feeding pressure oil from a hydraulic tank 3, hydraulic pump 5 provided in the way of said piping 4, accumulator 6, exchange valve 7 and controller 8 for said valve 7. With crank angle in the proximity of top dead point of piston 9, said system is used to open the exhaust valve 1 thus to discharge compressed air from the cylinder 2. Consequently, the pressure in expansion stroke is made lower than that in compression stroke to increase negative work thus to provide decelerating function to the internal-combustion engine itself. Consequently, the internal-combustion engine is functioned as a compressor resulting in achievement of quick deceleration.,下面是Quick deceleration of internal-combustion engine专利的具体信息内容。
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