| Patent Number |
Title Of Patent |
Date Issued |
| 7011604 |
Fuel injection control system for internal combustion engine |
March 14, 2006 |
| A fuel injection control system for an internal combustion engine can obtain an optimum fuel injection quantity in response to a traveling load without the need for a large memory. The gear position discrimination unit determines the present gear position Ngp on the basis of the vehicle |
| 6678604 |
Fuel injection control apparatus |
January 13, 2004 |
| To allow an engine having an intake duct for drawing running air to produce a high output by performing appropriate fuel injection depending on dynamic pressure variations. A vehicle speed corrective coefficient calculator calculates a fuel corrective coefficient KVPLS based on a veh |
| 6560558 |
Engine speed calculating apparatus |
May 6, 2003 |
| An engine speed calculating apparatus capable of calculating an engine speed without being affected by pulsating revolutions in a low engine speed range. A time required for a crankshaft of an engine to revolve through a predetermined angle is measured upon each completion of revolut |
| 6546915 |
Fuel injection control apparatus |
April 15, 2003 |
| To enable accurate detection of the alternative ambient pressure when the correction of fuel supply is carried out by the used of the value of the ambient pressure substituted by the negative pressure in the inlet pipe. The difference between the calculated alternative ambient pressure a |
| 6467459 |
Fuel injection control apparatus |
October 22, 2002 |
| To change a fuel injection quantity to follow a throttle opening change in a low load region. A first calculator calculates a basic injection time using a throttle opening and an engine rotational speed. A second calculator calculates a basic injection time using an intake pipe negative |
| 6411917 |
Engine speed calculating apparatus |
June 25, 2002 |
| An engine speed calculating apparatus capable of calculating an engine speed without being affected by pulsating revolutions in a low engine speed range. A time required for a crankshaft of an engine to revolve through a predetermined angle is measured upon each completion of revolut |
| 6334094 |
Engine speed calculation apparatus |
December 25, 2001 |
| To provide an engine speed calculation apparatus which can facilitate calculation processing of the engine speed without being influenced by pulsation rotation in a low speed region of an engine. In a low speed region of an engine, a predetermined value is divided by a time required |
| 6234147 |
Ignition timing control device for internal combustion engine |
May 22, 2001 |
| An ignition timing control device for an internal combustion engine is capable of preventing shock of an engine upon rapid acceleration by suitably controlling the ignition timing of the engine. When the width of the opening of a throttle valve is kept within a specific width for a f |
| 5495836 |
Throttle-valve control apparatus for spark-ignition two-cycle engines |
March 5, 1996 |
| A throttle-valve control apparatus is provided for allowing switching from an ordinary-combustion state to an AR-combustion state or vice versa to take place with ease in an AR-combustible spark-ignition two-cycle engine wherein, at least during a light-load operation, a compression-star |
| 5341786 |
Fuel injection control device for internal combustion engine |
August 30, 1994 |
| A fuel injection control device controls the calculated fuel injection quantity depending upon the load condition of the engine such that the fuel injection quantity demanded by the engine can be established. This fuel injection quantity is determined based upon engine speed, intake air |
| 5014672 |
Fuel supply controller for an internal combustion engine |
May 14, 1991 |
| A fuel supply controller for an internal combustion engine includes an acceleration mode detector, an incremental fuel supply rate calculator, and a fuel supplier. The controller sets a smaller incremental fuel supply rate with increasing engine speed to prevent excessive fuel supply to |
