FUEL INJECTION CONTROL DEVICE, CONTROL METHOD OF FUEL INJECTION CONTROL DEVICE AND FUEL INJECTION DEVICE

• Main Authors: KURASHIMA YOSHIKUNI, HORI TOSHIO, SASAKI TOSHIKAZU
• Format: Patent
• Language: English; Japanese
• Published: 30.05.2019
• Subjects: BLASTING; COMBUSTION ENGINES; CONTROLLING COMBUSTION ENGINES; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MECHANICAL ENGINEERING; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF; WEAPONS

To properly inject a necessary amount of fuel within an injectable time.SOLUTION: A fuel injection control device has a stoke selection part 202d for controlling a moving amount of a valve body and/or the number of times of injection, and the stroke selection part 202d has: a fuel injection necessary time calculation part 601 for calculating a fuel injection necessary time Treq necessary for injecting a fuel injection amount required at one combustion cycle of an internal combustion engine; a fuel injection time calculation part 602 for calculating a fuel injectable time Tena at one combustion cycle of the internal combustion engine; and a drive method decision part 603 for deciding the moving amount of the valve body and/or the number of times of injection on the basis of the fuel injection necessary time Treq necessary for injecting the fuel injection amount calculated by the fuel injection necessary time calculation part 601, and the fuel injectable time Tena calculated by the fuel injection time calculation part 602.SELECTED DRAWING: Figure 6 【課題】必要な燃料噴射量を噴射可能時間内に適切に噴射する。【解決手段】燃料噴射制御装置は、弁体の移動量、および／または噴射回数を制御するストローク選択部２０２ｄを有し、ストローク選択部２０２ｄは、内燃機関の１燃焼サイクルで要求される燃料噴射量を噴射するのに必要な燃料噴射必要時間Ｔｒｅｑを算出する燃料噴射必要時間算出部６０１と、内燃機関の１燃焼サイクルにおける燃料噴射可能時間Ｔｅｎａを算出する燃料噴射時間算出部６０２と、燃料噴射必要時間算出部６０１で算出した燃料噴射量を噴射するのに必要な燃料噴射必要時間Ｔｒｅｑと、燃料噴射時間算出部６０２で算出した燃料噴射可能時間Ｔｅｎａとに基づいて、弁体の移動量、および／または噴射回数を決定する駆動方法決定部６０３と、を有する構成とした。【選択図】図６