GAS ENGINE SYSTEM

• Main Author: FUJINO TOMOKI
• Format: Patent
• Language: English; Japanese
• Published: 09.04.2020
• Subjects: BLASTING; COMBUSTION ENGINES; COMBUSTION ENGINES IN GENERAL; CONTROLLING COMBUSTION ENGINES; ENGINE PLANTS IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INTERNAL-COMBUSTION PISTON ENGINES; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; STEAM ENGINES; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF; WEAPONS

To avoid high-pressure gas being kept in a fuel supply pipe at engine stop.SOLUTION: A gas engine system 100 includes an engine 10, a fuel tank 51 for storing fuel gas, gas supply pipes 53, 55, 57 connected to the fuel tank, a shut-off valve 54 provided in the gas supply pipe, a pressure reducing valve 56 provided in the gas supply pipe downstream of the shut-off valve, a direct injection injector 22 provided in the gas supply pipe downstream of the pressure reducing valve for directly injecting the fuel gas to the engine, gas storage parts 62, 66 connected to the gas supply pipe downstream of the shut-off valve via a branch flow path 60, and an on-off valve 61 provided in the branch flow path.SELECTED DRAWING: Figure 1 【課題】エンジン停止時の燃料供給管中に高圧のガスが維持されないようにする。【解決手段】ガスエンジンシステム１００は、エンジン１０と、燃料ガスを貯蔵する燃料タンク５１と、前記燃料タンクに接続されたガス供給管５３、５５、５７と、前記ガス供給管に設けられた遮断弁５４と、前記ガス供給管の前記遮断弁よりも下流に設けられた減圧弁５６と、前記ガス供給管の前記減圧弁よりも下流に設けられ、前記エンジンに前記燃料ガスを直接噴射する直噴インジェクタ２２と、前記ガス供給管の前記遮断弁よりも下流において、分岐流路６０を介して接続されたガス貯蔵部６２、６６と、前記分岐流路に設けられた開閉弁６１と、を備える。【選択図】図１