About 15 results
https://drivepatents.com/patents/1395559 · 29 Jan 2025
A pressure monitor is arranged to calculate a pre turbine pressure (p3). The monitor is programmed to:o derive a normalized turbine speed, normalized for a pre turbine temperature, and a heat capacity ratio of exhaust gas before the turbine as first inputs...
https://drivepatents.com/patents/943014 · 18 May 2016
A variable geometry turbocharger control method and system for an engine air system with a variable geometry turbocharger having adjustable vanes. The method includes monitoring engine parameters, generating engine state estimates using an engine observer ...
https://drivepatents.com/patents/977981 · 26 Feb 2014
Certain embodiments include a method for controlling an internal-combustion engine (10). The engine (10) is provided with a turbo supercharger having a variable nozzle (63). The method may comprise one or more of steps. The first step is forcing the nozzle...
https://drivepatents.com/patents/978347 · 19 Feb 2014
An engine syatem 1 is equipped with an engine ECU 10 that generally controls an operation of an engine 100, a hydraulic VVT mechanism 27 capable of opening an exhaust valve 23 in an intake stroke besides a valve opening operation in an exhaust stroke and c...
https://drivepatents.com/patents/994122 · 9 Jan 2013
Applied in an internal combustion engine (1) includes a turbocharger (7); a exhaust gas purifying catalyst (10) which is arranged at a section downstream of a turbine ('7b) in the exhaust passage (4) ; and a low pressure EGR passage (31) which connects a s...
https://drivepatents.com/patents/1008261 · 26 Oct 2011
A control apparatus applied to an internal combustion engine (1) including a turbocharger (6) in which a movable vane mechanism (17) capable of varying throttled quantity of a passage of intake air discharged from a compressor wheel (12) by varying a posit...
https://drivepatents.com/patents/1009848 · 24 Aug 2011
The actuator (1) has a transmission element (2) for transmitting a mechanical control signal and a guide element (8) encamping the transmission element. An inner surface of the guide element facing the transmission element or the outer surface of the trans...
https://drivepatents.com/patents/1013855 · 13 Apr 2011
An abnormality-determining device for a turbosupercharger, which properly decides whether or not to execute the abnormality determination of variable vanes during a time period from the start of an internal combustion engine until the variable vanes become...
https://drivepatents.com/patents/1074095 · 14 Sep 2005
The control unit (14), to give the combustion air for a turbocharger, where motor exhaust gas is passed to a turbine (9) to drive a compressor (3), has rotating vanes which form channels within a housing with minimum play to give the air the required spin ...
https://drivepatents.com/patents/1081208 · 29 Dec 2004
The apparatus has an electronic control actuator (13) with an output shaft and driven within a range of an angle (theta c). An angle signal converting device converts opening indication information of a nozzle vane, to a target angle signal of the shaft. T...