Pressure-reducing mechanism of cylinder of diesel engine

• Main Author: HONG XUANMIN
• Format: Patent
• Language: Chinese; English
• Published: 24.02.2010
• Subjects: BLASTING; COMBUSTION ENGINES; COMBUSTION ENGINES IN GENERAL; CONTROLLING COMBUSTION ENGINES; CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES; ENGINE PLANTS IN GENERAL; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INTERNAL-COMBUSTION PISTON ENGINES; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; STEAM ENGINES; WEAPONS

The utility model relates to a pressure-reducing mechanism of a cylinder of a diesel engine, which comprises a pressure-reducing shaft, a pressure-reducing arm connected with the pressure-reducing shaft, and a power supply connected with the pressure-reducing arm by a pressure-reducing control circuit and a pressure-reducing electromagnetic valve; the pressure-reducing control circuit comprises anormally-close switch connected with a brake pedal; one end of the normally-close switch is electrically connected with a power supply; and the other end of the normally-close switch is connected withthe pressure-reducing electromagnetic valve by a normally-open switch that is connected with an oil pump pull rod or a rack of the diesel engine in a matching way. In the utility model, the pressure-reducing mechanism of the cylinder is sufficiently utilized; under a specified situation, the pressure-reducing mechanism is opened to force the engine to stop running; and under a situation of oil-break and spark extinction,