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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Ueno; Masaki
Address:
Wako, JP
No. of patents:
27
Patents:












Patent Number Title Of Patent Date Issued
7624993 Dual-membered suctional gasket December 1, 2009
The invention provides a novel dual-membered suctional gasket which has a reliable function to fit and fix the gasket to an object to be sealed, and also provides an effective suction effect and air venting function. For that purpose, the gasket which has a function to prevent fluid from
7400967 Control system for internal combustion engine July 15, 2008
A control system for an internal combustion engine having at least one fuel injection valve for injecting fuel to an intake pipe or a combustion chamber of the engine. Intake gas state parameters indicative of a state of the intake gases supplied to the engine are detected. Demand values
7398149 Control system for internal combustion engine July 8, 2008
A control system for an internal combustion engine having a compressor wheel and a turbine wheel connected with the compressor wheel and rotationally driven by kinetic energy of exhaust gases from the engine, an exhaust gas flow rate changing device for changing a flow rate of exhaus
7363920 Fuel supply control system for internal combustion engine April 29, 2008
A fuel supply control system for an internal combustion engine having at least one fuel injection valve for injecting fuel into an intake pipe or a combustion chamber of the engine. A flow rate of air supplied to the engine and an air-fuel ratio are detected. A demand fuel injection amou
7329339 Strainer device for fuel tank February 12, 2008
A strainer device for a fuel tank includes a sucking passage member provided with a passage opened in the fuel tank; a filtering member attached to the sucking passage member for covering a hole of the passage; and a conduit connecting portion extending outside the fuel tank for conn
6935099 Deteriorated state evaluation device of exhaust emission control equipment August 30, 2005
After an engine 1 has started to operate, a state in which a humidity represented by an output of a humidity sensor 19 downstream of a hydrocarbon adsorbent 7 takes a minimum value is sequentially searched for, and a timing at which the humidity changes from the minimum value to a mo
6928805 Hydrocarbon adsorbent state monitoring device August 16, 2005
A characteristic change of a humidity sensor 19 is detected based on the transitional characteristics of output data of the humidity sensor 19 with respect to integrated moisture quantity data representative of an integrated amount of moisture that is supplied to an HG adsorbent 7 by an
6799420 Method of evaluating deteriorated state of hydrocarbon adsorbent October 5, 2004
A temperature sensor is disposed near an HC adsorbent in an exhaust system of an internal combustion engine. After the internal combustion engine is shut off, a deteriorated state of the HC adsorbent is evaluated based on a value of the humidity detected by a humidity sensor. The deterio
6769417 Apparatus for evaluating deteriorated state of hydrocarbon adsorbent August 3, 2004
After an internal combustion engine 1 has started to operate, a changing timing is detected at which a humidity represented by the output signal of a humidity sensor 23 disposed downstream of a hydrocarbon adsorbent 12 changes to a tendency to monotonously increase from a low humidity to
6698186 Air-fuel ratio controller for internal combustion engines March 2, 2004
A target air-fuel ratio KCMD for an exhaust gas upstream of a catalytic converter is sequentially determined to converge the output VO2/OUT of an O.sub.2 sensor downstream of the catalytic converter to a target value VO2/TARGET, and the amount of fuel supplied to an internal combustion
6681567 Control system for internal combustion engine January 27, 2004
A control system for an internal combustion engine having an exhaust system, an intake system, and an exhaust gas recirculation mechanism for recirculating exhaust gases from the exhaust system to the intake system is disclosed. The exhaust system is provided with an adsorbent for ad
6550465 Cylinder air/fuel ratio estimation system of internal combustion engine April 22, 2003
In a direct injection spark ignition engine which is operable in three operation modes including a stoichiometric air/fuel ratio operation mode, a pre-mixture combustion mode and a stratified combustion operation mode which are different in the desired air/fuel ratio and a single air/fue
6550449 Control system for internal combustion engine April 22, 2003
A control system for an internal combustion engine having a catalyst arranged in the exhaust system is disclosed. In the control system, catalyst temperature rise accelerating control is executed by increasing the intake air amount immediately after starting of the engine and retardi
6516772 Combustion state control system of internal combustion engine February 11, 2003
In a direct injection spark ignition engine which is operable in lean-burn operation modes including a pre-mixture combustion mode and a stratified combustion operation mode and a stoichiometric air/fuel ratio operation mode, which are different in the desired air/fuel ratio. The degrada
6481405 Fuel supply control system for internal combustion engine November 19, 2002
A fuel supply control system for an internal combustion engine wherein during startup of the engine, a fuel supply amount is calculated according to a fuel amount calculating method suitable for startup of the engine, and the calculated amount of fuel is supplied to the engine. After sta
6449944 Method of judging deterioration of emission gas control catalyst device September 17, 2002
A first exhaust gas sensor 5 (air-fuel ratio sensor) and a second exhaust gas sensor 6 (O.sub.2 sensor) are disposed respectively upstream and downstream of a catalytic converter. An exhaust system E which ranges from the exhaust gas sensor 5 to the exhaust gas sensor 6 and includes the
6449943 Method of evaluating deteriorated state of catalytic converter for purifying exhaust gas September 17, 2002
The values of parameters of a model of an object exhaust system including a catalytic converter are identified from the data of outputs from an air-fuel ratio sensor and an O.sub.2 sensor which are disposed respectively upstream and downstream of the catalytic converter while an inte
6354076 Exhaust gas purification system of internal combustion engine March 12, 2002
A system for purifying exhaust gas generated by an internal combustion engine having an adsorbent, installed in an exhaust system of the engine, which adsorbs unburned components of the exhaust gas such as hydrocarbons generated by the engine. The system has a first temperature sensor fo
6292739 Air-fuel ratio control system for internal combustion engine September 18, 2001
An allowable range (adaptive allowable range) for limiting a manipulated variable generated in order to converge the difference between an output from an O.sub.2 sensor disposed downstream of a catalytic converter and a target value thereof to "0" is sequentially updated depending on how
6286306 Exhaust gas purification system of internal combustion engine September 11, 2001
A system for purifying exhaust gas generated by an internal combustion engine having a bypass exhaust gas passage branching from an exhaust pipe which is opened or closed by a switch-over valve, and an adsorbent which adsorbs unburneds component in the exhaust gas installed at the bypass
6276131 Apparatus for controlling internal combustion engine August 21, 2001
While the amount of intake air introduced into an internal combustion engine is being increased by an intake air quantity control unit, an ignition timing control unit manipulates the ignition timing of the internal combustion engine to converge the rotational speed of the internal c
6266605 Plant control system July 24, 2001
A plant control system has a reference value setting unit for variably setting a reference value for an air-fuel ratio to be given to an exhaust system including a catalytic converter, depending on a component based on an adaptive control law of a manipulated variable of the air-fuel rat
6230486 Plant control system May 15, 2001
A plant control system has a reference value setting unit for variably setting a reference value for an air-fuel ratio to be given to an exhaust system including a catalytic converter, depending on a component based on an adaptive control law of a manipulated variable of the air-fuel rat
6195988 Air-fuel ratio control system for internal combustion engine March 6, 2001
An object system for generating an output signal of an O.sub.2 sensor from a target air-fuel ratio is expressed as a model including a response delay element and a dead time element. Data of identified values of parameters of the model are sequentially generated by an identifier. Data of
6192311 Apparatus for controlling internal combustion engine February 20, 2001
A control apparatus controls an internal combustion engine by generating a command value for a manipulative quantity of a flow control valve disposed in an intake air passage of an internal combustion engine controllable by the flow control valve, according to a sliding mode control proc
6189317 Apparatus for controlling internal combustion engine February 20, 2001
An apparatus for controlling an internal combustion engine has an amount-of-intake-air control unit for generating a command value for the opening of a flow control valve in an intake passage of the engine, which emits exhaust gases through a catalytic converter, so as to increase an
6116213 Control system for controlling internal combustion engine September 12, 2000
A control system for controlling an internal combustion engine which discharge exhaust gases through an emission purifier includes a controller which increases the quantity of intake air drawn into the internal combustion engine while the internal combustion engine is idling after the










 
 
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