#F02D41/3809

METHODS AND SYSTEMS FOR DIAGNOSING FOUR OXYGEN SENSOR SYSTEM

Systems and methods for evaluating operation of a plurality of upstream and downstream oxygen sensors are disclosed. In one example, the air to fuel patterns may be arranged in an order to reduce an a…

DRIVE·Jun 18·1 min read

F02D41/3809 Ford Global Technologies, LLC

METHOD AND SYSTEM FOR MEASURING FUELING QUANTITY VARIATION DURING MULTIPULSE FUEL INJECTION EVENT

The present invention provides a method for analyzing and optimizing the injection of fluid into an internal combustion engine via a common rail system. Once various injection parameters are determine…

DRIVE·Jun 8·1 min read

F02D41/3809 Cummins Inc.

METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE, INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE HAVING AN INJECTION SYSTEM

A method for operating an internal combustion engine with a high pressure accumulator for a fuel injection system, includes the steps of: monitoring, in a time-dependent manner, a high pressure in the…

DRIVE·Feb 10·1 min read

F02D41/3809 MTU Friedrichshafen GmbH

METHOD AND DEVICE FOR OPERATING AN INTERNAL COMBUSTION ENGINE HAVING A COMMON-RAIL INJECTION SYSTEM

A method for operating an internal combustion engine having a common-rail injection system as a function of a quantity of fuel injected. The method includes determining an information item about a rel…

DRIVE·Dec 2·1 min read

F02D41/3809 Robert Bosch GmbH

MULTI-LAYER PIEZOELECTRIC ELEMENT, AND INJECTION DEVICE AND FUEL INJECTION SYSTEM PROVIDED WITH THE MULTI-LAYER PIEZOELECTRIC ELEMENT

A multi-layer piezoelectric element (1) of the invention includes: a stacked body (10) in which piezoelectric layers (11) and internal electrode layers (12) are laminated; a conductor layer (15) dispo…

DRIVE·May 31·2 min read

F02D41/3809 KYOCERA CORP [JP]

SYSTEM AND METHOD FOR CONTROLLING FUEL INJECTION CHARACTERISTICS IN AN ENGINE

An engine control system (10) includes first (14) and second (16) control modules. The first control module (14) determines a fuel combustion parameter. The second control module (16) determines a fue…

DRIVE·Dec 16·1 min read

F02D41/3809 AVL POWERTRAIN ENGINEERING INC [US]

FUEL DELIVERY PRESSURE CONTROL

In an internal combustion engine, a method of controlling the pressure of a fuel accumulator volume which supplies fuel under pressure to one or more fuel injectors, comprising: i) determining or meas…

DRIVE·Nov 11·1 min read

F02D41/3809 DELPHI INT OPERATIONS LUX SRL [LU]

FUEL TEMPERATURE ESTIMATION DEVICE

A fuel temperature estimation device that can improve the estimation accuracy of a fuel temperature in each part of a fuel channel, is provided. In the invention, the fuel temperature estimation devic…

DRIVE·Oct 14·2 min read

F02D41/3809 VOLVO TRUCK CORP [SE]

Method for operating a fuel injection system for a combustion engine

The method involves carrying out fuel withdrawal from a pressure storage device (13) in a measuring interval and avoiding fuel withdrawal from the pressure storage device in another measuring interval…

DRIVE·Nov 7·1 min read

F02D41/3809 BOSCH GMBH ROBERT [DE]

Fuel injection device and adjustment method thereof

A fuel injection device of a common rail type fuel injection system for an engine comprises a fuel passage pressure sensor disposed in a fuel passage between a point of a pipe connected to a fuel disc…

DRIVE·Oct 19·2 min read

F02D41/3809 DENSO CORP [JP]

Correction amount control method for fuel injection amount correction and common rail fuel injection control apparatus

To secure an appropriate fuel injection even when an environmental temperature is in a low temperature region, with a simple configuration, thus enabling a realization of a high stability and reliabil…

DRIVE·Jun 22·2 min read

F02D41/3809 BOSCH CORP [JP]

DELIVERY FLOW RATE CONTROLLING METHOD IN ACCUMULATOR FUEL INJECTOR AND ACCUMULATOR FUEL INJECTOR

Fuel in a fuel tank 4 is supplied to a supply pump 6 as a high pressure pump through first and second flow control valves 8a and 8b, high pressure fuel is supplied under pressure to a common rail 2 by…

DRIVE·Jan 18·1 min read

F02D41/3809 BOSCH CORP [JP]

FUEL INJECTION CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE, AND METHOD OF INJECTION-FEEDING HIGH-PRESSURE FUEL

A fuel injection control system of an internal combustion engine which calculates the correction value for the fuel injection quantity of the second pilot injection, so as to cancel out the influence …

DRIVE·Nov 17·2 min read

F02D41/3809 TOYOTA MOTOR CO LTD [JP]

System and method to control fuel injection for an combustion engine

The device has a fuel pressure evaluation unit (8) for evaluating pressure of fuel (2) in a high pressure circuit (3). The evaluation unit is connected to an injector controlling unit (7) that activat…

DRIVE·Nov 10·1 min read

F02D41/3809 RENAULT SA [FR]

Common rail fuel injection control device

The common rail fuel injection control device in accordance with the present invention computes a base duty (A) equivalent to a base target opening degree of a metering valve and a correction coeffici…

DRIVE·Jun 16·1 min read

F02D41/3809 ISUZU MOTORS LTD [JP]

Virtual pressure sensor for a common rail injection system

The invention describes a virtual pressure sensor for a Common Rail injection system of an endothermic engine (1), the injection system comprising at least one fuel pressure accumulating tank, of the …

DRIVE·Jun 2·1 min read

F02D41/3809 ST MICROELECTRONICS SRL [IT]

Fuel injection system for an internal combustion engine

The device has a high pressure pump that transports fuel to a high pressure tank(s) with connected injectors. The injectors are also connected to a common low pressure tank in which a defined low pres…

DRIVE·Nov 5·2 min read

F02D41/3809 BOSCH GMBH ROBERT [DE]

Accumulation type fuel injection system

An accumulation type fuel injection system (1) of a diesel engine (2) calculates a dimensionless interval (I0) by dividing an injection interval (I) between a pilot injection and a main injection by a…

DRIVE·Aug 27·1 min read

F02D41/3809 DENSO CORP [JP]

Fuel supply system

The present invention reduces the unevenness of injection rates of cylinders in a fuel supply system of a direct injection engine which uses a variabledisplacement single plunger pump (101). The uneve…

DRIVE·Sep 18·1 min read

F02D41/3809 HITACHI LTD [JP]