1
Koji Morikawa: Control system for two cycle direct injection engine and the method thereof. Fuji Jukogyo Kabushiki Kaisha, Smith Gambrell & Russell, December 12, 2000: US06158411 (92 worldwide citation)

Disclosed is a control system and method of a two cycle direct fuel injection engine capable of smoothly suspending combustions in the cylinder during light load operation of the engine. Based on a map parameterizing the engine speed and the target engine load, it is judged whether or not, when the ...


2
Koji Morikawa: Fuel injection control system for an internal combustion engine. Fuji Jukogyo Kabushiki Kaisha, Martin A Farber, January 7, 1992: US05078107 (70 worldwide citation)

A system for controlling fuel injection for an internal combustion engine has a fuel injector provided for injecting fuel directly in a cylinder. A fuel injection quantity determined by engine operating conditions is compared with a smaller reference value corresponding to a stratified charge and wi ...


3
Koji Morikawa: Fuel injection control system for an internal combustion engine. Fuji Jukogyo Kabushiki Kaisha, Martin A Farber, June 29, 1993: US05222481 (58 worldwide citation)

A system for controlling fuel injection for an internal combustion engine has a fuel injector provided for injecting fuel directly in a cylinder, a cylinder pressure detector for detecting pressure in the cylinder at fuel injection, a calculator for producing a correcting coefficient in accordance w ...


4
Koji Morikawa, Akira Akimoto: Control system and method for direct fuel injection engine. Fuji Jukogyo Kabushiki Kaisha, Beveridge DeGrandi Weilacher & Young L, July 1, 1997: US05642705 (57 worldwide citation)

In a catalyst activation control system for a direct fuel injection engine for igniting primary fuel injected into each cylinder, an additional fuel is injected at least once into each cylinder from an early period to a middle period of an expansion stroke of the primary fuel combustion in accordanc ...


5
Koji Morikawa: System for diagnosing and controlling high-pressure fuel system for in-cylinder fuel injection engine. Fuji Jukogyo Kabushiki Kaisha, Smith Gambrell & Russell, October 31, 2000: US06138638 (53 worldwide citation)

A system for controlling an in-cylinder fuel injection engine determines that a high-pressure fuel system is abnormal, when meeting at least one of conditions that the fuel pressure Pf of the high-pressure fuel system does not reach a preset pressure PFS (S24) even if a predetermined period of time ...


6
Koji Morikawa: System for controlling fuel injection for multiple-displacement engines. Fuji Jukogyo Kabushiki Kaisha, Martin A Farber, September 17, 1985: US04541387 (50 worldwide citation)

A system for controlling fuel injection for a multiple-displacement engine in which the number of operating cylinder changes according to the load on the engine by cutting off fuel to some of cylinders. The engine has solenoid-operated fuel injection valves and a switch is provided for rendering eac ...


7
Koji Morikawa: Fuel injection control system for a two-cycle engine. Fuji Jukogyo Kabushiki Kaisha, Martin A Farber, February 4, 1992: US05085193 (49 worldwide citation)

A solenoid operated valve controls the pressure of fuel supplied to a fuel injector. The fuel pressure is determined in accordance with the engine operating conditions. A driver is provided for operating the solenoid operated valve for setting the fuel pressure. The fuel pressure is increased as the ...


8
Koji Morikawa: System for controlling ignition timing and fuel injection timing of a two-cycle engine. Fuji Jukogyo Kabushiki Kaisha, Martin A Farber, September 24, 1991: US05050551 (48 worldwide citation)

A temperature sensor is provided for detecting temperature of exhaust gas in an exhaust passage of a two-cycle engine. The temperature is compared with a reference temperature for activating a catalytic converter. When the temperature is lower than the reference temperature, the ignition timing and ...


9
Koji Morikawa: User adaptive system and control method thereof. Panasonic Corporation, Harness Dickey & Pierce, March 23, 2010: US07684977 (40 worldwide citation)

In an interface unit, an input section obtains an input signal of user's speech or the like and an input processing section processes the input signal and detects information relating to the user. On the basis of the detection result, a response contents determination section determines response con ...


10
Koji Morikawa: Abnormality warning system for a direct fuel injection engine. Fuji Jukogyo Kabushiki Kaisha, Beveridge DeGrandi Weilacher & Young, September 7, 1993: US05241933 (39 worldwide citation)

In a fuel control system which has both high pressure fuel system and ordinary fuel control system operated in accordance with the operating conditions of the engine, highly pressurized fuel is regulated by a high pressure regulator in a high pressure fuel injection system for operating a direct fue ...