About 69 results
https://drivepatents.com/patents/1080048 · 9 Feb 2005
A control device for an internal combustion engine comprising an EGR passage (22) for communicating an intake passage (17) and an exhaust passage (18) with each other, an EGR valve (24) provided in the EGR passage (22), and an intake throttle valve (19) pr...
https://drivepatents.com/patents/1082307 · 24 Nov 2004
Torque controller which controls an intake air quantity of an internal combustion engine, comprising a detector to detect an engine operating condition including a state of combustion, a calculation section to calculate both a target intake air quantity an...
https://drivepatents.com/patents/1083990 · 15 Sep 2004
The invention relates to a throttle unit for internal combustion engines, particularly for vehicles, of the type comprising a throttle (12), capable of taking up a blow-by position (TR), a position corresponding to the normal engine idling condition, a ful...
https://drivepatents.com/patents/1084741 · 18 Aug 2004
A peak gain of target torque with respect to a change in an accelerator position from 40% to 70% is expressed by a constant K. A time constant of phase advance compensation corresponding to a period for the target torque to change from a peak value to 63.2...
https://drivepatents.com/patents/1085263 · 4 Aug 2004
A throttle model M2 estimates the flow rate mt of air passing thorough a throttle in accordance with an expression obtained on the basis of the law of conservation of energy, the law of conservation of momentum, and the law of conservation of mass. An inta...
https://drivepatents.com/patents/1085586 · 14 Jul 2004
A gas engine driving apparatus is equipped with a gas engine (30), a rotation number detecting unit (72) for detecting the rotation number of the gas engine (30), a fuel supply pipe (32) connected to a throttle portion (36) at the downstream side thereof, ...
https://drivepatents.com/patents/1086437 · 16 Jun 2004
At the time of controlling a servo mechanism, a servo control detects that the position of a driven body is in the steady judgment region of a target position and varies a control constant (PI value) in the steady judgment region, so it is made possible to...
https://drivepatents.com/patents/1087327 · 6 May 2004
A system and method for controlling a throttle ramp rate of a vehicle. According to an embodiment of the invention, the controlling of a throttle ramp rate of a vehicle is accomplished by determining the target engine speed for a vehicle during a vehicle l...
https://drivepatents.com/patents/1089830 · 4 Feb 2004
In a system for controlling opening of a throttle valve installed at an air intake system of an internal combustion engine mounted on a vehicle, a fully-closed value of the opening of a throttle valve is learning-controlled based on a detected opening of t...
https://drivepatents.com/patents/1090010 · 28 Jan 2004
The present invention relates to a system which applies a torque-based control to a direct injection engine with a turbocharger (101) and is capable of switching between stoichiometric running and lean-burn running in accordance with a driving state, in or...