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Class 123/486 - Having a digital memory addressed by an engine parameter


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter wherein a digital memory is addressed by
No. of patents: 316
Last issue date: 10/13/2009


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NumberTitleIssue Date
7600504Method for operating an internal combustion engine, taking into consideration the individual properties of the injection devices
A method for operating an internal combustion engine, in which fuel is injected using an injection device into a combustion chamber of a cylinder of the internal combustion engine, a fuel quantity to be injected being ascertained as a function of individual properti...
10/13/2009
7596992Fuel injection control apparatus designed to compensate for deviation of quantity of fuel sprayed from fuel injector
A fuel injection control apparatus for an internal combustion engine is provided. A controller directs a fuel injector to spray a learning injection quantity of fuel and determines a resulting increase in speed of the engine. The controller determines the quantity o...
10/06/2009
7523743System for determining fuel rail pressure drop due to fuel injection
A fuel system has a source of fuel coupled to a plurality of fuel injectors via a fuel rail. The system is operable to disable fuel flow to the fuel rail, select one of the fuel injectors to inject fuel into the engine while inhibiting fuel injection by the remainin...
04/28/2009
7409945Arrangement for controlling an internal combustion engine
In an arrangement for controlling an internal combustion engine, comprising an electronic engine control unit, an injector with an injection needle for controlling the injecting of fuel into a combustion chamber of the engine and a connecting line extending between ...
08/12/2008
7406949Selective displacement control of multi-plunger fuel pump
A pump for a combustion engine is disclosed. The pump may have at least one pumping member movable through a plurality of displacement strokes during a single engine cycle. The pump may also have a controller in communication with the at least one pumping member. Th...
08/05/2008
7367181System for assisting the regeneration of depollution means integrated in an exhaust line of a heat engine
The system for assisting the regeneration of depollution means (1) integrated in an exhaust line (2) of a heat engine (3) of a motor vehicle, by switching the engine between operation in lean mode and operation in rich mode in accordance with va...
05/06/2008
7357123Electromagnetic actuator, fuel injection valve, method of controlling fuel injection valve, and method of driving the same
Information storage element 102 and transmitter-receiver 103 are molded in resin connector part 101 of fuel injection valve 100 which projects outside of the engine by molding. The precise control of an injection amount is enabled by usin...
04/15/2008
7357127Method for determining the air mass in a cylinder
The method for determining an air mass in a cylinder of an internal combustion engine with a supercharging device and with a device for variably controlling the valve overlap of the gas exchange valves is characterized by a reference characteristic curve for the air...
04/15/2008
7337767Device and method for controlling engine
In a device for controlling an engine, comprising combustion noise suppressor for suppressing combustion noise of a combustion chamber and controller for controlling the combustion noise suppressor, the device further includes control amount setter for setting a con...
03/04/2008
7337060Method, computer program and control unit for operating an internal combustion engine
A method for triggering an internal combustion engine of a certain type according to a state machine is provided, in which a possible operating state of the engine, which is assigned to a layer n of the state machine, is first set. In an additional layer (n+1), sub-...
02/26/2008
7333886Method for estimating quantity of fuel injected
In a method for estimating an injected quantity of fuel of an isolated injection, the segment time of the cylinder in which the isolated injection takes place is evaluated numerically by forming the second temporal derivation. With the aid of the second temporal der...
02/19/2008
7320307Manifold pressure control for a variable event valvetrain
A method for improving engine intake manifold pressure control of an internal combustion engine is described. According to one aspect of the description, the manifold pressure may be controlled to reduce fuel consumption and engine emissions during at least some ope...
01/22/2008
7311080Idle speed controller of internal, combustion engine, and internal combustion engine controller and internal combustion engine
An idle rotational speed controller of an internal combustion engine includes an intake path for supplying air to a combustion chamber. An auxiliary intake path communicates the intake path on upstream and downstream sides of a throttle valve in the intake path. An ...
12/25/2007
7299123Method and device for estimating the inlet air flow in a combustion chamber of a cylinder of an internal combustion engine
A reliable method of sensing the inlet air flow in a combustion chamber of a cylinder of an internal combustion engine includes assessing the inlet air flow with soft-computing techniques basically exploiting a combustion pressure signal generated by a pressure sens...
11/20/2007
7296197Metadata-facilitated software testing
Described herein are one or more implementations for facilitation of computer software testing. One or more implementations, described herein, determine logical type of one or more test input-parameters based upon metadata placed on a function under test (FUT) of so...
11/13/2007
7287516Pump control system
A pump for a fuel system is disclosed. The pump has a housing defining at least one pumping chamber, and a plunger. The plunger is movable to draw a fluid into and displace the fluid from the at least one pumping chamber. The pump also has a metering valve and a con...
10/30/2007
7287514Fuel supply control method and apparatus of internal combustion engine
The invention provides a fuel supply control method and apparatus in which an air fuel ratio does not become rich even if an acceleration and deceleration operation is repeated for a short time in the case that a time lag with respect to a response from a detection ...
10/30/2007
7275514Method of HCCI and SI combustion control for a direct injection internal combustion engine
The present invention relates to methods for robust controlled auto-ignition and spark ignited combustion controls in gasoline direct-injection engines, including transients, using either exhaust re-breathing or a combination of exhaust re-compression and re-breathi...
10/02/2007
7269992Magnet orientation and calibration for small package turbocharger speed sensor
A method and system for orienting and calibrating a magnet for use with a speed sensor. A magnet can be mapped two or more planes thereof in order to locate the magnet accurately relative to one or more magnetoresistive elements maintained within a speed sensor hous...
09/18/2007
7271558Method for the generation of electrical pulses
In rotating systems with angular references, angular- and/or time-based pulses must be generated which can be described in a generic manner to meet various requirements. The parameters for definition of the pulse are assigned as a value pair to permit more flexibili...
09/18/2007
7260735Method and system for maintaining a running count of events updated by two asynchronous processes
A method of maintaining a count of active events of a process is provided by a start counter and a complete counter. The start counter maintains a first count of start events and may be operated upon only by the start event of the process. The complete counter maint...
08/21/2007
7253539Circuit arrangement and method for sequential classification of a plurality of controllable components
A circuit arrangement for sequential classification of a plurality of controllable components, to each of which a calibration resistor (11) is assigned for which the resistance value classifies the component in relation to at least one characteristics, compri...
08/07/2007
7249495Stroke determination system for four stroke cycle engine
A system for performing stroke determination and cylinder determination by using intake pressure as a parameter, in order to provide a stroke determination system for a four stroke cycle engine by which accurate determination can be achieved. ...
07/31/2007
7246004Nonlinear fuel dynamics control with lost fuel compensation
A fuel control system delivers fuel to an engine cylinder and compensates for lost fuel. The fuel control system comprises a fuel dynamics module that determines a fuel dynamics model that is indicative of fuel behavior. The fuel dynamic module determines an inverse...
07/17/2007
7239955Method for controlling an internal combustion engine
A method is provided for controlling an internal combustion engine operating in a homogenous mode. The internal combustion engine exhibits a control unit for setting the air supply, the fuel supply and the ignition angle. The method reduces the fuel consumption and ...
07/03/2007
7236877Chipped engine control unit system having copy protected and selectable multiple control programs
The present invention discloses a method for preventing a control program written in a first engine control unit (ECU) from running in a second ECU, comprising obtaining an ID number from the first ECU; encrypting the ID number; writing the encrypted ID number into ...
06/26/2007
7235033Combustion engine for a motor vehicle
A combustion engine (1) for a motor vehicle, having electronic members (20, 23) with memory function for controlling the output torque of the engine at least in dependence on signals representing an injected quantity of fuel. Reference values of engine...
06/26/2007
7226679Fuel cell system with degradation protected anode
A method of operating a fuel cell including an anode, a cathode, a first passage, and a second passage, wherein the anode is disposed in the first passage and the cathode in the second passage including producing a non-explosive gaseous feed consisting of (i) at lea...
06/05/2007
7177754Exhaust gas recirculation apparatus
In an electronic control unit 31, a duty conversion map 41 from which a driving duty in energizing and driving an electromagnetic coil, not shown, of an electromagnetic vacuum adjustment valve 12 on the basis of a variable equivalent to target q...
02/13/2007
7162357Signal conditioner and user interface
A signal modifying device, user interface, and method of modifying a signal. The signal modifying device includes a processor, a first input coupled to the processor and an output coupled to the processor. Instructions are stored within the processor that, when exec...
01/09/2007
7130736Engine speed stabilization using fuel rate control
Idle speed stability is imparted to a compression ignition engine by processing data values for actual engine speed and desired engine speed to yield a data value for engine speed error; processing (22) the data value for engine speed error according to a gov...
10/31/2006
7124745Fuel injection system for two-cycle engines
A fuel injection system for two-cycle engines comprising high pressure fuel injectors adapted to be installed in a two-cycle gas engine assembly. ...
10/24/2006
7121257Method for the automatic control of an internal combustion engine-generator unit
A method for automatically controlling an internal combustion engine-generator unit, in which, in a generator installation with closed-loop load equalization control, a speed limitation curve can be varied as a function of a speed set value (nM(SL)). ...
10/17/2006
7093586Method for controlling a fuel metering system of an internal combustion engine
A method for controlling a fuel metering system of an internal combustion engine. A activation duration of at least one electrically operated injector determines the injected fuel quantity. The minimum activation duration during which fuel is only just injected bein...
08/22/2006
7084558Spark plug and method for manufacturing the spark plug
A ground-electrode spark portion 32 is formed from a noble metal which contains Pt as a main component, and is joined to a main metal portion of the ground electrode 4 via an alloy layer which has a thickness ranging from 0.5 μm to 100 μm and in whic...
08/01/2006
7075851Semiconductor memory device inputting/outputting data and parity data in burst operation
A control circuit controls a column decoder and a parity column decoder such that parity data is input/output to a memory cell array at a timing different from that of input/output of data corresponding to the parity data to/from the memory cell array. Therefore, a ...
07/11/2006
7069720Cylinder event based fuel control
A method to deliver fuel during a start for an internal combustion engine is described. The method provides individual cylinder fuel control based on the number of fueled cylinder events. The method offers improved engine emissions while maintaining engine run-up pe...
07/04/2006
7051722Engine starting
A system, an apparatus, and a method for starting an engine. The system, apparatus, and method include determining a first quantity of fuel based on engine temperature, providing the first quantity of fuel to the engine during a first cycle of the engine, determinin...
05/30/2006
7036368Heating resistor type air flow rate measuring apparatus
A heating resistor type air flow rate measuring apparatus is provided with a couple of heating resistors placed at the positions where those resistors may each interfere thermally with respect to an air flow, and a couple of driving circuits for driving those heatin...
05/02/2006
7032573Method and apparatus for indicating air filter maintenance is required
A system and method for indicating required maintenance of an air filter used with an internal combustion engine. The system includes a throttle plate for adjusting an amount of airflow passing into cylinders of the engine. The system includes a throttle plate posit...
04/25/2006
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