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Inventor:
Sukegawa; Yoshihiro
Address:
Hitachi, JP
No. of patents:
24
Patents:




Patent Number Title Of Patent Date Issued
7565894 Fuel injection apparatus for and method of internal combustion engine, and fuel injection valve July 28, 2009
Fuel injection technology of an internal combustion engine is configured in such a manner that in a case where in inlet pipe interior of the engine is partitioned by a rectifying plate into upper and lower flow paths, a flow velocity at a center of the flow path on an upper side, and
7565836 Thermal type flow sensor having a second control circuit to control a second heating resistor ab July 28, 2009
A flow rate measuring element of a thermal type flow sensor is placed in the fluid to be measured. The element includes: a first heating resistor for measuring a flow rate; a second heating resistor for heating a support for the first heating resistor; and current control circuits and
7552633 Thermal type gas flowmeter June 30, 2009
A thermal type gas flowmeter comprising a sensor element which, in turn, comprises at least one first heating resistor, two or more resistors in fluid and a second heating resistor which is disposed between the first heating resistor and a housing supporting the sensor element. The first
7543560 Cylinder direct gasoline injection type internal combustion engine, control equipment thereof, a June 9, 2009
To balance ignition retard for reduction in exhaust and increase in exhaust gas temperature at a start of cooling, and increased output under a full open condition. There are provided an upward spray that forms airflow toward an electrode portion of an ignition plug at a start of coo
7377261 Spark ignition engine and method of controlling combustion of the engine May 27, 2008
In warming up operation when the temperature of an engine is low, heat release in a combustion chamber is delayed by making ignition timing immediately before the top dead center of compression stroke or later. Hereby, exhaust gas including a large quantity of unburned HC, oxygen and
7357119 Variable valve type internal combustion engine and control method thereof April 15, 2008
The operation modes of plural intake valves 7a and 7b provided in one cylinder is independently changed according to the drive region of the internal combustion engine. In the low air amount region, the intake airflow is controlled only with intake valve 7a which operates in the low
7270118 Control apparatus of engine September 18, 2007
In an engine having a premixed combustion mode, an EGR flow rate estimating precision is deteriorated at a transient time, and a torque fluctuation and an exhaust gas deterioration are caused. In an engine control apparatus having a premixed combustion mode and a diffusion combustion
7228840 Spark ignition device and internal combustion engine with the same June 12, 2007
A plurality of spark electrodes are disposed in an arc shape on the surface or so as to be projected from the surface of an insulating member formed on a part of the wall face of a combustion chamber, and are formed so as to be in series electrically via discharging gaps.A spark plug is
7165526 Direct injection engine and controller for the same January 23, 2007
A direct injection engine and a controller for the engine, which can realize super-retard combustion under high backpressure and can minimize an emission amount of HC at the startup. A cavity is formed in a piston such that fuel spray injected from a fuel injection valve is blown into
7155332 Method for obtaining exhaust gas flow quantity, exhaust gas flow measurement apparatus, and exha December 26, 2006
An exhaust recirculation control system of the internal combustion engine computes an oxygen concentration in total intake air containing recirculation exhaust gas in a cylinder and the ratio between an oxygen quantity in the total intake air and a fuel injection quantity (oxygen qua
7021274 Fuel injection equipment, internal combustion engine, and control method of fuel injection equip April 4, 2006
A fuel injection equipment to control the instability of combustion when the airflow is weak, and improve the fuel cost. A fuel injection equipment for an cylinder injection type and spark ignition type internal combustion engine that injects gasoline directly to a combustion chamber,
6880519 Fuel injection apparatus and method for cylinder injection type internal combustion engine April 19, 2005
With a cylinder direct injection engine in which fuel is injected directly into combustion chambers and air-fuel mixture is guided by an air flow, it is difficult to secure combustion stability under low engine speed and low load conditions such as during idling. Furthermore, there are n
6776142 Apparatus and method for supplying fuel in internal combustion engine with variable valve lifter August 17, 2004
On supplying fuel in an internal combustion engine, a control signal for changing a degree of vaporization of the fuel passing the air intake valve in accordance with the opening degree of the air intake valve or a load of the internal combustion engine so that the fuel of liquid state i
6722340 Cylinder injection engine and fuel injection nozzle used for the engine April 20, 2004
A fuel injector employed in a direct injection engine comprising a spark plug arranged on the top of a combustion chamber, a fuel injector located on said combustion chamber and an intake air control means installed on an intake manifold. A forward tumble air flow is formed in the combus
6702194 Fuel injection method of a direct injection type internal combustion engine, a fuel injector, an March 9, 2004
A combustion chamber is formed using a flat piston having a low cooling loss and therein a forward tumble is generated. A fuel spray is formed by a provision of a splitter which is provided to make off-set from a center of an injection port at a tip end of a tumble atomization system fue
6659075 Cylinder injection engine and method of combusting engine December 9, 2003
A direct injection engine capable of direct injection of fuel into a combustion chamber characterized in that discharge of gas containing hazardous gas component such as HC can be reduced and fuel economy can be improved by stratified charge combustion in the operation range of low to
6651677 Method of controlling ignition timing of compression ignition engine of premixed mixture type November 25, 2003
Provided is a method of controlling the timing of ignition of a compression ignition internal combustion engine of a premixed mixture type in which a premixed gas is self-ignited through compression by a piston, the volume of fuel spray impinging upon the inner wall surface of a combusti
6651617 Method of controlling ignition timing of compression ignition engine of premixed mixture type November 25, 2003
Provided is a method of controlling the timing of ignition of a compression ignition internal combustion engine of a premixed mixture type in which a premixed gas is self-ignited through compression by a piston, the volume of fuel spray impinging upon the inner wall surface of a combusti
6570265 Hybrid vehicle driven by composit torque generated by an internal-combustion engine and an elect May 27, 2003
A hybrid vehicle driving system has a transmission means (22) for selectively transmitting the output torque of an internal-combustion engine (10), the output torque of an electric motor (19) or a composite torque produced by combining the respective output torques of the internal-co
6557532 Fuel injection apparatus and method for cylinder injection type internal combustion engine May 6, 2003
With a cylinder direct injection engine in which fuel is injected directly into combustion chambers and air-fuel mixture is guided by an air flow, it is difficult to secure combustion stability under low engine speed and low load conditions such as during idling. Furthermore, there are n
6499456 Cylinder injection engine and control apparatus and method thereof December 31, 2002
A cylinder injection engine includes a fuel injector for injecting a fuel into a combustion chamber formed between a cylinder head and a piston, an intake port opening to the combustion chamber, an intake valve disposed in the intake port, a plurality of spark plugs provided for each cyl
6484690 Control equipment for internal combustion engines November 26, 2002
The piston 4 is one whose top part has a flat shape. Fuel is injected directly inside the cylinder 1 from the fuel injection valve 2. The tumble air flow control valve 7 adjusts the strength of the tumble air flow. The injected fuel pressure control section 110 of the control unit 100 va
6334427 Fuel injection method of a direct injection type internal combustion engine, a fuel injector, an January 1, 2002
A combustion chamber is formed using a flat piston having a low cooling loss and therein a forward tumble is generated. A fuel spray is formed by a provision of a splitter which is provided to make off-set from a center of an injection port at a tip end of a tumble atomization system fue
6199534 Control equipment for internal combustion engines March 13, 2001
The piston 4 is one whose top part has a flat shape. Fuel is injected directly inside the cylinder 1 from the fuel injection valve 2. The tumble air flow control valve 7 adjusts the strength of the tumble air flow. The combustion pressure control section 110 of the control unit 100 varie


 
 
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