EGR GAS FLOW RATE ESTIMATION DEVICE OF INTERNAL COMBUSTION ENGINE 内燃機関のEGRガス流量推定装置 - 特許庁
DUAL-FLOW VALVE AND INTERNAL PROCESSING VESSEL ISOLATION SYSTEM 複流動弁及び内部処理容器隔離システム - 特許庁
AIR FLOW GENERATING DEVICE OF INTERNAL COMBUSTION ENGINE, CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE, AND CONTROL DEVICE OF AIR FLOW GENERATING DEVICE 内燃機関の気流生成装置、内燃機関の制御装置及び気流生成装置の制御装置 - 特許庁
APPARATUS FOR DETECTING INTERNAL LIQUID LEAKAGE OF FLOW CHANNEL SWITCHING VALVE 流路切替バルブの内部液漏れ検出装置。 - 特許庁