| Patent Number |
Title Of Patent |
Date Issued |
| 7209826 |
Fuel properties estimation for internal combustion engine |
April 24, 2007 |
| Fuel properties estimating apparatus for an internal combustion engine includes a controller to determine an estimated component concentration of a component in a fuel. The controller calculates an air-fuel correction quantity in accordance with an actual air fuel ratio of the engine |
| 7092813 |
Fuel injection control of engine |
August 15, 2006 |
| In an internal combustion engine (1), air is taken into a cylinder (5) from an intake passage (30) through an intake valve (15). The amount of air taken into the cylinder (5) is controlled to a target intake air amount by having an engine controller (31) operate an intake throttle (2 |
| 7025041 |
Cylinder intake air quantity determination device |
April 11, 2006 |
| A cylinder intake air quantity determination device is configured to calculate a manifold internal air quantity based on an inflow air quantity and an outflow air quantity of an intake manifold. Then, a manifold internal pressure is calculated based on the manifold internal air quant |
| 6990968 |
Engine fuel injection amount control device |
January 31, 2006 |
| An intake port (4) is connected to a combustion chamber (6) of an internal combustion engine (1) via an intake valve (15), and a volatile liquid fuel is injected from a fuel injector (21) provided in the intake port (4). The controller (31) calculates a suspension ratio in the combustion |
| 6975933 |
Fuel properties estimation for internal combustion engine |
December 13, 2005 |
| Fuel properties estimating apparatus for an internal combustion engine includes a controller to determine an estimated component concentration of a component in a fuel. The controller calculates an air-fuel correction quantity in accordance with an actual air fuel ratio of the engine; an |
| 6966304 |
Estimation of oil-diluting fuel quantity of engine |
November 22, 2005 |
| Apparatus for an internal combustion engine includes an estimating or controlling unit to determine an oil-diluting fuel quantity of an engine oil-diluting fuel which is fuel leaking out through a clearance between a piston and a cylinder of the engine and diluting an engine oil. The uni |
