A control device of an internal combustion engine in a simple configuration capable of finely detecting the combustion state of the internal combustion engine, for example, an occurrence of knocking from an ionic current signal is provided. A control device 20 of an internal combustion engine 100…
The present disclosure is directed to injectors with integrated igniters providing efficient injection, ignition, and complete combustion of various types of fuels. These integrated injectors/igniters can include, for example, multiple drivers (124, 130, 140, 224) used to shape charges and…
The present disclosure is directed to a valve actuation assembly, with a valve (122), means for sensing (126), a cable (121), means for actuating the valve (122) by pulling on the cable (121) and a brush bearing. The cable (121) includes a brush bearing with bristles extending from the cable (121)…
Accurate detection of abnormal combustion is enabled even in an engine in which a combustion chamber has only one ignition plug provided with an ion-current detection function. An engine control system according to the invention is provided with an ion detector(4) for detecting ions generated…
A system for monitoring of the fuel self-ignition angle, especially in the cylinder of a diesel engine applying Langmuir probe is described. A two-channel metal adapter (2) with pressure indicator (6) and Langmuir probe (3) is placed in an engine cylinder(1). In the indicator channel a pressure…
The method involves detecting an ion stream for a cylinder, while an internal combustion engine is operated with an air-fuel mixture. Another ion flow is detected for the cylinder, while the internal combustion engine is operated with another air-fuel mixture. The former air-fuel mixture and the…
An apparatus and method to detect abnormal combustion conditions for use as a feedback control of an EGR (Exhaust Gas Recirculation) controlled reciprocating engine using ionization signals is presented. The system receives a succession of ionization signals for successive cycles of a running…
The combustion value finding process uses a device to determine a combustion value in the combustion chamber. The ionization signal (LS)is corrected on the basis of the course of value, taking into account the dynamic alteration in the geometry of the combustion chamber.
An apparatus for controlling a fuel injection amount in a diesel engine. An ECU (61) computes the amount of fuel to be injected from an injector (18a) based on the operation state of the engine. Ions are formed when fuel is burned in a combustion chamber (18). A glow plug (53) detects ion current…
An apparatus and method to detect and control the combustion quality of a lean bum reciprocating engine using ionization signals is presented. The system receives a succession of ionization signals for successive cycles of a running engine and processes a plurality of related ionization signals for…
An apparatus and method to detect abnormal combustion conditions for use as a feedback control of a lean burn reciprocating engine using ionization signals is presented. The system receives a succession of ionization signals for successive cycles of a running engine and processes a plurality of…
An ignition apparatus including a primary (22) and a secondary (24) winding for producing a spark voltage, an ion current detection circuit (32) for producing an ion current signal (33), a slope detector (36) and a knock detector (34). The slope detector (36) determines when the ion current signal…
The method involves igniting the engine with a 360 degree crankshaft sensor offset on the same cylinders (1-4), detecting the primary side voltage, detecting combustion duration, evaluating spark duration, determining camshaft position from spark duration and a sensor, deriving the camshaft…
The method involves applying an alternating electrical voltage, or a voltage with an alternating component, to two electrodes (3,6) inside at least one cylinder. The measurement value is evaluated as a voltage across a measurement resistance. An ion current is derived by subjecting the voltage to a…
The method involves deriving the ignition delay from the offset of a local maximum (104,109) in the variation of the ion current signal (101) wrt. an injection time (105,107). The parameters for a main injection are controlled depending on evaluation of the measured ion current after a…
The procedure for the governing of an internal combustion engine entails establishing a series of measured values describing the pre-combustion in one of the cylinders produced by a pre-injection taking place before the main fuel injection. The series of measured values is evaluated, and at least…
The arrangement has a measurement device (12) on at least one cylinder of the engine for forming a series of measurement values describing the combustion and an evaluation unit (20) connected to the measurement device for evaluating the measurement values. The measurement device has an…
The procedure for determining the commencement of a combustion in the cylinder in internal combustion engine includes taking a series of measured values and storing them, and which describe a physical characteristic of the gas and fuel mixture in the cylinder. An average value is calculated from…
During an internal combustion procedure over a fixed period of time a sequence of conductivity values is defined that is based on a portion of particles loaded as positive in an internal combustion gas. This sequence of conductivity values is evaluated in order to monitor the internal combustion…