Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 301 - 350 out of 12,944

Document Document Title
WO/2014/064099A3
The invention relates to a method for determining the local probability (Ρi Klopf) of an occurrence of super-knocking phenomena in a fuel-air mixture that is introduced into a combustion chamber of an internal combustion engine, in part...  
WO/2014/095052A1
The present invention relates to a method comprises the following steps: • measuring the pressure in each cylinder during a compression stage, • determining the mass of gas present in each cylinder considered, on the basis of the quo...  
WO/2014/086980A2
Method for determining a cylinder pressure-crankshaft position assignment for an internal combustion engine having the following steps: detecting the crankshaft angle by means of measuring equipment; detecting the cylinder pressure by me...  
WO/2014/087918A1
This sensor control device is provided with a detection unit and a computation unit, the detection unit detects an output signal output from a sensor element in accordance with oxygen concentration, and the computation unit acquires, as ...  
WO/2014/056625A3
The invention relates to a method for operating an internal combustion engine (2) comprising an exhaust gas purification unit (1), wherein the exhaust gas purification unit (1) comprises one catalytic converter (4) through which an exhau...  
WO/2014/079648A1
The invention relates to a method and a device for detecting autoignition in a spark-ignited internal combustion engine (VBK) having at least one cylinder (Z1-Z), wherein values for the combustion chamber pressure (p_Zyl_mess) are measur...  
WO/2014/079649A1
The invention relates to a method and a device for detecting an autoignition in a spark-ignited internal combustion engine (VBK) having at least one cylinder (Z1-Z), wherein values for the combustion chamber pressure (p_Zyl_mess) are mea...  
WO/2014/079667A1
The invention relates to a method for determining an air mass mair in a cylinder of an internal combustion engine. A first filling equivalent FAcomp is determined during a compression phase of the cylinder, wherein the first filling equi...  
WO/2014/075982A1
The invention relates to a method for correcting a pressure signal p3(θ) measured by a pressure sensor that is arranged in the combustion chamber of an internal combustion engine. The method comprises recording a curve of a pressure sig...  
WO/2014/076536A1
A spark ignition internal combustion engine includes: a compression ratio changing mechanism by which a volume of a combustion chamber varies; a cylinder internal pressure sensor that acquires a pressure signal of a pressure vibration in...  
WO/2013/171054A3
The invention relates to a method for producing a reset by an evaluation circuit integrated into a sensor unit, wherein the reset is carried out to tune a signal (P) of the evaluation circuit (10) and is triggered after the signal (P) of...  
WO/2014/067821A1
The invention relates to a method for detecting glow ignition of a fuel-air mixture in a combustion chamber of an internal combustion engine (12) having at least a first and a further cylinder, which are connected by a crankshaft, accord...  
WO/2014/060071A1
In a method for operating a reciprocating-piston internal combustion engine, having the steps: supplying a fuel mixture composed of two fuel types and of air into at least one combustion chamber (2) of the internal combustion engine, bur...  
WO/2014/011653A3
Fuel efficiency of small carbureted engines can be improved through the use of a fuel shut off valve that ceases fuel flow in the carburetor upon determination that the engine throttle has been closed and the engine is not at or near an ...  
WO/2014/056596A1
The invention relates to a method for torque control of an internal combustion engine, wherein a pressure sensor is associated with at least one, but at the most two cylinders of the internal combustion engine, and wherein an cylinder in...  
WO/2014/049405A1
When an engine is to be started, operation of the engine is started with injection of fuel from a port fuel injection valve, without injecting fuel from an in-cylinder fuel injection valve (S1OO). If a gear rattling noise is produced (S1...  
WO/2014/051001A1
The present invention addresses the problem of mounting an exhaust gas purification device (2) on an engine (1) in such a manner that detection members (44, 57b) for detecting the state of the exhaust gas purification device (2) are not ...  
WO/2014/042847A1
A system and method for controlling a vehicle to implement an engine torque management strategy. The engine torque management strategy implements a sophisticated engine knock control method that alleviates/mitigates the cause of the knoc...  
WO/2014/008309A3
Diesel opposed piston engines, optionally with variable compression ratio and/or turbocharging, can provide improved fuel efficiency by adapting a compression ratio of the engine in accordance with an engine load such that larger compres...  
WO/2014/040606A1
An arrangement in a vehicle engine comprising an intake air manifold, an exhaust gas manifold and a plurality of cylinders, and being adapted for being operated by means of a dual fuel comprising diesel and gas fuel, said arrangement fur...  
WO/2014/034641A1
A pressure detection device configured in a circular cylindrical shape is mounted to the outer periphery of the front end of a function member mounted so as to face the combustion chamber of an engine, and the pressure detection device d...  
WO/2014/030013A1
An apparatus and method for determining an operational state of a motor are described. The apparatus (2) comprises: a sensor (4) for detecting vibration; and a processor (6) coupled to the sensor. The processor (6) is configured to: conv...  
WO/2014/027138A1
A method of operating a multi-cylinder internal combustion piston engine (10) is proposed. The engine comprises a first fuel feed system (20) and a second fuel feed system (30). While the engine is running, the engine is operated by comb...  
WO/2014/027141A1
A multi-cylinder internal combustion piston engine (10) comprises a first fuel feed system (20) and a second fuel feed system (30). The engine is operated by supplying a first fuel to at least one of the cylinders. During the operation, ...  
WO/2014/021140A1
Provided are: a contact-type infrared temperature sensor, which is capable of ensuring reliability by suppressing thermal deterioration, and which is also capable of reducing manufacture cost; a thermal apparatus using the contact-type i...  
WO/2014/010164A1
An engine system includes an engine having a rotary member (75) that rotates together with the crankshaft (48), a plurality of first detection bodies (P1-N) provided on the rotary member (75), a second detection body (S) provided on the ...  
WO/2014/007373A1
The present invention addresses the problem of making it possible to attach, in a highly-rigid manner, an exhaust gas purification device (2) to an engine (1) as one constituent component of the engine (1). This engine device is provided...  
WO/2014/008309A2
Diesel opposed piston engines, optionally with variable compression ratio and/or turbocharging, can provide improved fuel efficiency by adapting a compression ratio of the engine in accordance with an engine load such that larger compres...  
WO/2013/189839A1
The invention relates to a method and a device (100) for determining the amount of energy released in the working cycle of a cylinder of an internal combustion engine. The method comprises the steps of: (a) recording a time curve of the ...  
WO/2013/174786A1
A method and a device for regulating the combustion noise of an internal combustion engine are described. The method has (a) operation of the internal combustion engine, (b) detection of the profile over time of the pressure (230) in a c...  
WO/2013/171575A1
A microcomputer (21) determines, in a first monitoring routine (R2), whether a required injection amount was normally computed in a fuel injection amount control routine (Rl), based on the required injection amount computed in the fuel i...  
WO/2013/167242A1
The invention relates to a method for operating an internal combustion engine (1), in particular of a motor vehicle, wherein said internal combustion engine (1) comprises a fuel injection system (4) having at least one injector (5) for e...  
WO/2013/167235A1
The invention relates to a method for operating an internal combustion engine (1), in particular of a motor vehicle, wherein said internal combustion engine (1) comprises a fuel injection system (4) having at least one injector (5) for e...  
WO/2013/164273A1
The invention relates to a method for determining an offset of an output signal of an evaluation circuit integrated in a sensor, preferably of a combustion chamber pressure sensor (8) installed in a combustion chamber (3) of an internal ...  
WO/2013/150373A1
An ECU (20), after the cranking is started, performs a control such that the first combustion cycle is executed on a CPS-equipped cylinder (step 100). After that, self-ignition occurs in the first combustion cycle, and the in-cylinder pr...  
WO/2013/143740A1
The invention relates to a control device (10) for controlling an engine drive torque (Mist), with a load estimation device (1) having a first input terminal for receiving a current engine rotational speed (ω), a second input terminal f...  
WO/2013/137043A1
A cooling pipe (10) in an internal combustion engine (50) is provided with: a resin water outlet (11) which forms a circulation path (V2) that circulates cooling water for cooling an engine body (51); and a mounting part (12) which retai...  
WO/2013/135945A1
(57) Abstract The idea of the invention is that a knock control (6) works together with another control entity that is called as safety control (8). In order that cooperation between these units runs efficiently they are constructed in a...  
WO/2013/131681A1
The invention relates to a method for estimating an air/fuel ratio for a combustion in an internal combustion engine with at least one cylinder. The air/fuel ratio is derived from a feature which is based on an evaluation of a rotational...  
WO/2013/131686A1
The invention relates to a method for estimating an absolute value of a torque for a combustion in an internal combustion engine with at least one cylinder. The torque is derived from a feature which is based on an evaluation of a rotati...  
WO/2013/131684A1
The invention relates to a method for estimating a combustion state for a combustion in an internal combustion engine with at least one cylinder. The combustion state is derived from a feature which is based on an evaluation of a rotatio...  
WO/2013/129483A1
A combustion pressure detection device for detecting the combustion pressure in a combustion chamber of an internal combustion engine, characterized in that: the combustion pressure detection device can be mounted to a communication hole...  
WO/2013/128118A1
The invention relates to a method for setting the spark advance of a spark-ignition engine during a rapid change in required engine torque, comprising, in accordance with the current engine operating conditions: calculating (20) an outpu...  
WO/2013/124112A1
The invention relates to a method for detecting uncontrolled combustion in an internal combustion engine which occurs independently of the ignition of a fuel-air mixture by a spark plug in a combustion chamber (16) of the internal combus...  
WO/2013/118244A1
The objective of the present invention is to control the wall surface temperature of a combustion chamber appropriately on the basis of a target temperature region that reflects the frequency with which pre-ignition occurs, even if pre-i...  
WO/2013/113949A1
The invention discloses a system and a method for estimating the instantaneous torque of a low speed diesel engine by using strain gauges positioned on the shaft between the alternator and the engine in order to estimate the in-cylinder ...  
WO/2013/113542A1
The invention relates to a method for controlling an internal combustion engine (10) involving the following steps: - using the pressure sensor method, a first actuation period (tvorl) for a first injector (20d) is determined in a first ...  
WO/2013/108667A1
The invention addresses the problem of reducing the number of assessment man-hours involved in design and testing etc. when an exhaust gas purifier (2) is assembled in an engine (1), while also making the exhaust gas purifier (2) more co...  
WO/2013/099979A1
The present invention addresses the problem of preventing a decrease in the precision with which an engine is controlled, said decreased being caused by divergence in the attachment position of a fresh air temperature sensor (120) that d...  
WO/2013/092188A1
The invention relates to a method and to a device for the knock control of an internal combustion engine, which is operated by means of a gaseous fuel and a liquid fuel. The gaseous fuel is introduced into a combustion chamber (3) of the...  

Matches 301 - 350 out of 12,944