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Class 701/110 - Speed, acceleration, deceleration


Subclass of Class 701 - Data processing: vehicles, navigation, and relative location
Definition: Internal-combustion engine control or indication wherein
No. of patents: 833
Last issue date: 05/08/2012


1                      
NumberTitleIssue Date
8175790Engine droop governor and method
A machine (100) has an internal combustion engine (104) operating in response to a control signal provided by an engine governor (216). The engine (104) provides a torque output to a machine system providing a machine function. An electro...
05/08/2012
8170776Method and device for controlling an internal combustion engine
In order to control an internal combustion engine with self-ignition of the air/fuel mixture, at least one injection parameter with respect to fuel metering is determined as a function of at least one operating variable, assuming a steady-state operating state. If a...
05/01/2012
8150602Method and system for estimating in-cylinder pressure and knocking utilizing an in-cylinder pressure sensor
A system for measuring in-cylinder parameters utilizing an image charge measured in an engine cylinder by an in-cylinder pressure sensor due to chemi and or thermal ionization in Engine. The in-cylinder pressure sensor includes a sensing element, which is a metal se...
04/03/2012
8131452System for restarting internal combustion engine when engine restart condition is met
In a system, an angle sensor outputs a pulse each time an output shaft of an internal combustion engine rotates by a preset angle, and a calculator calculates speed-change information indicative of a change in a speed of rotation of the output shaft based on the pul...
03/06/2012
8112217Exhaust brakes
An exhaust brake control system includes a braking torque estimation module that estimates a desired braking torque based on engine speed. A volume flow rate determination module determines a desired volume flow rate of an exhaust gas based on the desired braking to...
02/07/2012
8108131Method and apparatus for using an accelerometer signal to detect misfiring in an internal combustion engine
The method comprises operating an engine and collecting a real-time accelerometer signal from an accelerometer sensor. The real-time accelerometer signal is digitized and filtered to isolate data in a frequency range associated with combustion to produce a filtered ...
01/31/2012
8103431Engine vacuum enhancement in an internal combustion engine
A control system for an engine includes a manifold absolute pressure (MAP) module that compares MAP of an engine to a predetermined MAP and an air/spark module that decreases flow of air and that advances ignition spark when the MAP module indicates that the MAP is ...
01/24/2012
8099229Method and apparatus for limiting wheel slip
An engine control system comprises an engine speed control module and an idle limiting module. The engine speed control module selectively controls an engine based on an idle speed request. The idle limiting module selectively reduces the idle speed request by an am...
01/17/2012
8090522Air pressure control systems and methods for turbocharger systems
A system for an engine with a turbocharger system includes a rate determination module, a limiting rate selection module, a throttle inlet absolute pressure (TIAP) calculation module, and a throttle control module. The rate determination module generates a pressure ...
01/03/2012
8036815System for restarting internal combustion engine when engine restart request occurs
In a system, a starter includes a motor for rotatably driving an output shaft with a pinion and an actuator that shifts the pinion toward a ring gear to be engaged with the ring gear. A monitor unit monitors a rotational speed of the internal combustion engine. The ...
10/11/2011
8032292Electrical ignition method for internal combustion engines
An ignition procedure for internal combustion engines using multiple coils of a generator coupled to and turning synchronously with the engine. A magnetic field flows through the coils and generates a sequence of alternating current half waves induced in the coils. ...
10/04/2011
8027780Method and system for controlling torque during a vehicle launch condition
A method and control module for controlling an engine includes a requested torque module that generates a requested torque and a maximum toque capacity module that determines a maximum torque capacity corresponding to a maximum torque capacity of the engine. A launc...
09/27/2011
8027781Internal combustion engine control device and internal combustion engine control system
An internal combustion engine control device has a torque increase amount obtaining section that obtains engine rotation speed fluctuation amount (output torque increase amount) caused with small quantity injection as a torque increase amount sensing value, an adapt...
09/27/2011
8005606Idle control system of direct-cylinder-fuel-injection spark-ignition engine
When a predetermined operation state during idling is set, an ignition timing is set to a basic ignition timing at or following a compression top dead center point, and a temperature rise controlling operation is carried out for injecting fuel prior to the basic ign...
08/23/2011
7991540Vehicle speed dependant calibration trim or user-selectable calbratable trim for improved fuel economy
A control system and method for improving vehicle fuel economy is provided. A base timing module generates a base timing signal. A trim module generates a timing trim signal based on a calibratable compensation factor. A vehicle speed trim module adjusts a calibrati...
08/02/2011
7974767Method for detecting operating parameters of a power tool comprising an internal combustion engine
In a method for detecting an operating parameter of a power tool having an internal combustion engine with a cylinder, a piston delimiting a combustion chamber in the cylinder and driving a crankshaft supported rotatably in a crankcase, an intake supplying combustio...
07/05/2011
7962277Method and device for operating an internal combustion engine
During the operation of an internal combustion engine, a check is made whether the engine functions in an error-free manner in relation to the engine noise. If not, a current value of a cylinder-specific fuel quantity in a cylinder is determined. A check is made whe...
06/14/2011
7945378Method of selecting engine torque curves
A method of operating an internal combustion engine including the steps of detecting, determining, and switching. The detecting step detects a load on the engine. The determining step determines if the load is below a predetermined value. The switching step switches...
05/17/2011
7937211Internal combustion engine torque control
In a control device for an internal combustion engine including a throttle valve for adjusting the intake air amount that affects on the torque of the internal combustion engine, when a request for acceleration of the internal combustion engine is made, a torque gra...
05/03/2011
7937210Device for controlling an internal combustion engine
A device for controlling an internal combustion engine has sensors That measure the operating states of the internal combustion engine. The sensor signals are used for determining control signals for the internal combustion engine. Furthermore, testing means are pro...
05/03/2011
7917283Engine control unit systems and methods for a boat propulsion system
A predicted boat speed value generator, in accordance with one or more embodiments, receives an engine rotation signal, an intake pressure value, and other detection signals including shift position, and provides a predicted boat speed value. A control signal genera...
03/29/2011
7894976Light load and idle HCCI combustion control by fuel pressure modification
A method for controlling a homogeneous-charge compression-ignition capable engine, operating with spray-guided spark ignition stratified combustion at low load, includes monitoring a speed of the engine, monitoring a load of the engine, determining a desired fuel pr...
02/22/2011
7873462Method and device for air pilot control in speed-controlled internal combustion engines
A method for operating a speed-controlled internal combustion engine, including regulating the rotational speed of the internal combustion engine, information concerning a torque to be set being provided as a manipulated variable, limiting the manipulated variable a...
01/18/2011
7826959Cruise controller for saddle-seat vehicle
In a cruise controller for a saddle-seat vehicle, it is configured to comprise desired throttle opening control execution means (ECU 110) for executing desired throttle opening control by operating the actuator (74) such that the actual throttle openin...
11/02/2010
7822532Power-based underspeed control
A method of adjusting the operation of an engine-driven machine to avoid engine under-speeding entails converting a received speed or torque command into a power command. When an engine under-speed condition is sensed, the system performs underspeed correction in th...
10/26/2010
7788021Device and method for controlling an internal combustion engine of a motor vehicle
A device for controlling an internal combustion engine of a motor vehicle, including a control unit for monitoring and limiting the rotational speed of the internal combustion engine that are designed in such a manner that after a predetermined first speed threshold...
08/31/2010
7769535Method and device for dosing fuel which is to be injected into a combustion chamber of an internal combustion engine
Method for dosing fuel injected into an engine, with a fuel quantity for an injector, the fuel quantity being divided into pilot and main injections for respective activation duration having activation duration corrective value, the method may include storing correl...
08/03/2010
7725245Throttle valve control system for internal combustion engine
A throttle valve control system for an internal combustion engine which controls an opening of a throttle valve of the engine so that the opening coincides with a target opening. A regulation value of a change amount of the throttle valve opening is set according to...
05/25/2010
7698052Engine rotation control device and boat
In an engine rotation control device, a remote control operation device is provided with a remote control side ECU and an engine side ECU so that an outboard motor can be remotely controlled. The remote control side ECU and the engine side ECU periodically communica...
04/13/2010
7657364Apparatus, system, and method for thermal management of an engine comprising a continuously variable transmission
A method is disclosed for thermal management of an engine comprising a continuously variable transmission. The method includes an engine capability module storing a torque-speed map comprising a first region where the engine inefficiently regenerates an aftertreatme...
02/02/2010
7657365Fuel injection quantity control system for general-purpose engine
A fuel injection control system corrects the amount of fuel injected by fuel injection valves toward an increased side when an acceleration state resulting from operation of a throttle occurs. A control unit includes a detector, an acceleration state determinor, and...
02/02/2010
7627417Variable compression ratio internal combustion engine
The invention provides a technology that enables to control response delay of the supercharger in a variable compression ratio internal combustion engine under acceleration. When the variable compression ratio internal combustion engine is under acceleration, the co...
12/01/2009
7617039Method of fuel injection
The present invention relates to a method of operating an internal combustion engine. With reference to FIG. 1, fuel is supplied to charge air using an injector (116) which in each operation delivers a set amount of fuel. The amount of fuel supplied to...
11/10/2009
7587269Power output apparatus, control method of power output apparatus, and vehicle equipped with power output apparatus
In response to the driver's depression of a brake pedal in requirement of catalyst deterioration control with a catalyst deterioration control flag Fc set equal to 1, the braking control of the invention controls the operation of a motor to make a rotation speed Ne ...
09/08/2009
7487032Engine control system
An engine control system, which is adaptable for individual differences among engines, changes with time, environmental changes, etc., and which can control engine torque with high accuracy and high response. The engine control system comprises a unit for detecting ...
02/03/2009
7454286Combustion control in an internal combustion engine
The present invention relates to: self-tuning engine control algorithms using inputs from transducers that measure pressure in the engine cylinders, and from an engine crankshaft rotational position sensor; methods of processing the input signals to “self-tune” ...
11/18/2008
7441547Method of feeding fuel to an engine, fuel feed amount control system of an engine, and motorcycle comprising fuel feed amount control system
A method of feeding fuel to an engine, comprising the steps of determining whether or not the engine is decelerating based on a time-lapse change rate of an engine speed of the engine, and reducing an amount of the fuel to be fed to air taken into the engine from ou...
10/28/2008
7437874System and method for backpressure compensation for controlling exhaust gas particulate emissions
A method for controlling exhaust gas particulate emissions from a compression ignition internal combustion engine having a variable geometry turbocharger (VGT) includes the steps of determining backpressure across the engine and air mass flow into the engine, closin...
10/21/2008
7440840Ecological driving system
There is a need for making a user fully conscious about environmentally friendly driving. In an ecological driving system, a CPU allows a display apparatus to distinctively display fuel consumption according to the following idling states. One idling state results f...
10/21/2008
7430483Method and apparatus for diagnosing a mechanism
A method of analyzing variations in an indicator of the behavior of a mechanism, in which noise is extracted, and any discontinuities from an indicator in order to obtain a trend, variations in the trend are compared with one or more reference values; and a fault of...
09/30/2008
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