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Inventor:
Miyamoto; Katsuhiko
Address:
Kyoto, JP
No. of patents:
22
Patents:












Patent Number Title Of Patent Date Issued
7712303 Degradation estimating apparatus for unburned component adsorption catalyst May 11, 2010
A degradation estimating apparatus for an unburned fuel component adsorption catalyst, which is connected with an internal combustion engine and has an unburned fuel component adsorbent and an oxygen storage component is provided.The apparatus includes a degradation estimating unit f
7614216 Exhaust cleaning-up device for internal combustion engine for vehicle November 10, 2009
In an exhaust system, there are provided an HC absorbent which absorbs HC contained in exhaust when in a specified low-temperature range and desorbs the absorbed HC when it exceeds said low-temperature range, and a catalyst capable of at least removing HC by oxidation, where the catalyst
7063068 Variable valve timing controller for an engine June 20, 2006
A variable valve timing controller includes an intake-valve and an exhaust-valve. When the engine is started, the intake-valve and the exhaust-valve are operated in a first mode in which the exhaust-valve is closed before top dead center and then the intake-valve is opened. When a fi
7063056 Valve timing control apparatus for engine June 20, 2006
There is provided a valve timing control apparatus for an engine, which comprises a variable valve mechanism capable of varying at least one of an opening timing of intake valves and a closing timing of exhaust valves in an engine, an elapsed time detecting device that detects a time per
6971379 Combustion chamber structure in an internal combustion engine December 6, 2005
There is provided a combustion chamber structure in an internal combustion engine in which, at a peripheral portion of a combustion chamber, a gap between a cylinder head lower face and a piston upper face is small in intake-to-intake and exhaust-to-exhaust zones and gradually increases
6901908 Idle speed control apparatus and method for internal combustion engine June 7, 2005
An idle speed control apparatus for an internal combustion engine is provided which, when the internal combustion engine is started in a cold mode, provides ignition timing engine speed control (m1) such that ignition timing in which said ignition driving device performs ignition in
6257207 Startup control apparatus of internal combustion engine and startup control method July 10, 2001
A startup control apparatus of an internal combustion engine is provided wherein when an engine starting capability determining device determines that the engine can be successfully started even if driving of part of the fuel injector valves is stopped during engine startup, the fuel inj
5870992 Combustion control device for internal combustion engine February 16, 1999
In a combustion control device for an internal combustion engine provided with a plurality of fuel injection modes having different target air-fuel ratios, threshold values for detecting deterioration of combustion in the internal combustion engine are determined separately for each fuel
5797367 Control apparatus for an in-cylinder injection internal combustion engine August 25, 1998
An engine control unit of a control apparatus for an in-cylinder injection internal combustion engine sets a fuel injection timing for a compression-stroke injection mode in accordance with a fuel injection quantity, and corrects the fuel injection timing according to an engine cooli
5496229 Valve actuator responsive to gear shift for reducing torque shock March 5, 1996
A valve moving control apparatus for an internal combustion engine comprising a control device for switching at least one valve by controlling a driving condition of an intake/exhaust valve, a load detecting device, a switch control device for outputting a switch signal to the contro
5481461 Automotive vehicle engine with cylinder suspending mechanism for switching between a partial-cyl January 2, 1996
The present invention relates to an automotive vehicle engine having controls for switching between a whole cylinder working mode and a partial cylinder non-working mode by making a valve motion arrangement operated in the intake and exhaust process. The automotive vehicle engine compris
5425335 Automobile engine June 20, 1995
Disclosed is an automobile engine which has different ranges for the partial cylinder operation mode depending upon whether or not the engine is idling. The partial cylinder operation mode is selectable in different operation ranges in response to operating status of an air-conditioner,
5311852 Method for detecting fuel blending ratio May 17, 1994
In a fuel blending ratio detecting method, a first blending ratio of the methanol in the fuel supplied to an internal combustion engine is detected by a blending ratio sensor; an air/fuel ratio feedback compensation coefficient computed on the basis of an output of an O.sub.2 sensor is
5282451 Engine fueled with mixed fuel and operation control method thereof February 1, 1994
In an operation control method of an engine using a mixed fuel of a mixture of a plurality of fuels having different properties, operation condition of the engine being controlled according to a detection signal from a fuel blend ratio detector for detecting the blend ratio of the plural
5267163 Method for detecting blending ratio of mixed fuel to be supplied to combustion chamber of intern November 30, 1993
A method includes a step of calculating an estimated blending ratio of a mixed fuel supplied to a combustion chamber of an internal combustion engine and a following equation is effected in this step to derive the estimated blending ratio:where t is an integer,n is a first delay coeffici
5263464 Method for detecting fuel blending ratio November 23, 1993
In a fuel blending ratio detecting method, a first blending ratio of the methanol in the fuel supplied to an internal combustion engine is detected by a blending ratio sensor; an air/fuel ratio feedback compensation coefficient computed on the basis of an output of an O.sub.2 sensor is
5197451 Method for detecting fuel blending ratio March 30, 1993
A fuel blending ratio detecting method is provided which includes a feedback computing compensation coefficient K.sub.FB on the basis of an air/fuel ratio responsive output V.sub.o of an O.sub.2 sensor, computing a feedback learned value K.sub.LRN on the basis of the feedback compensatio
5195497 Method for detecting fuel blending ratio March 23, 1993
A fuel blending ratio detecting method is provided wherein a feedback compensation coefficient K.sub.FB is computed on the basis of an air/fuel ratio responsive output V.sub.o of an O.sub.2 sensor, and a current blending ratio compensation coefficient K.sub.B is multiplied by a peak
5163407 Method for detecting fuel blending ratio November 17, 1992
A fuel blending ratio detecting method computes a control blending ratio on the basis of blending ratio information generated from a blending ratio sensor or air/fuel ratio information generated from an O.sub.2 sensor, and when the engine is stopped, the control blending ratio detected a
5158058 Air-fuel ratio feedback control method for a multi-fuel internal combustion engine October 27, 1992
An air-fuel ratio feedback control method for a multi-fuel internal combustion engine using a dual O.sub.2 sensor system is provided, in which the concentration of oxygen in exhaust gas on the upstream side of an exhaust gas purifier is detected, a value corresponding to the detected
5144916 Vehicular engine cooling apparatus September 8, 1992
Provided according to the present invention is a vehicular engine cooling apparatus comprising cooling fan means for cooling at least one of an engine and an environment of the engine, the engine being operated with use of any of two or more different fuels and a mixed fuel formed of a
5109821 Engine control system May 5, 1992
In an engine using fuel mixture of gasoline and methanol, the present control system compensates a detection value of a blend ratio sensor with a detection value of a knock sensor, or causes trouble detecting means to detect a failure of the blend ratio sensor and memories the blend rati










 
 
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