About 73 results
https://drivepatents.com/patents/1101194 · 9 Oct 2002
A control system for an internal combustion engine is provided. The engine includes a compression ratio control mechanism (102) and an ignition timing control system (103). The control system comprises an engine control unit (33) for controlling the compre...
https://drivepatents.com/patents/1101401 · 2 Oct 2002
A torque based cam timing system and method for an engine having dual independent camshafts is disclosed that includes a two sets of ROM based calibration tables containing values for intake valve closing and valve overlap, a first set for best fuel econom...
https://drivepatents.com/patents/1101459 · 25 Sep 2002
Internal combustion engine, in particular a four-stroke cycle engine, comprising a crankshaft, at least one cylinder and intake and exhaust camshafts being arranged on opposite sides of an axis of the cylinder, wherein the axis of the cylinder is directed ...
https://drivepatents.com/patents/1101831 · 11 Sep 2002
An internal combustion engine is described having exhaust and intake poppet valves having opening and closing events relative to the rotation of the engine crankshaft that are selectable such that the engine may be switched between a two-stroke mode and a ...
https://drivepatents.com/patents/1102034 · 4 Sep 2002
An apparatus and method for starting an engine (12) having a starter generator (18) for providing a rotational force to a pulley (20) in order to provide the necessary torque to start an engine. The starter generator also receives a rotational force to the...
https://drivepatents.com/patents/1102320 · 21 Aug 2002
A four-cycle engine is provided with valve timing adjusters for adjusting opening and closing timing an and an exhaust valve. In medium- to high-speed ranges in medium- to high-load regions of the engine, a closing point (ExC) of the exhaust valve defined ...
https://drivepatents.com/patents/1102638 · 7 Aug 2002
In fuel injection control apparatus and method for an engine having a variably operated engine valve in which at least a closure timing of an intake valve is variably controlled, a controller determines whether an actual closure timing of the intake valve ...
https://drivepatents.com/patents/1103061 · 17 Jul 2002
Method for regulating a control system defines from a nominal value and an actual value a deviation, from the deviation a P fraction and using an integrator an I fraction, and from the P and I fractions a correcting variable for the control system. The I f...
https://drivepatents.com/patents/1105480 · 3 Apr 2002
The appliance is for IC engines with variable valve stroke and throttle flap in intake train. It has devices to monitor the running smoothness of the engine. When a defined threshold value is exceeded, and a valve stroke is smaller than a set value, the th...
https://drivepatents.com/patents/1106027 · 13 Mar 2002
A valve control system for operating an automotive engine during cold-starts. It is conventional to employ a valve overlap period, defined as total crank-angle movement when both the inlet and exhaust valves are open simultaneously in the TDC region. The i...