#F02B77/085

METHOD TO ESTIMATE THE MAXIMUM PRESSURE INSIDE A COMBUSTION CHAMBER OF A CYLINDER OF AN INTERNAL COMBUSTION ENGINE

There is described a method to estimate the maximum pressure (P, P) inside the combustion chamber of a cylinder (2) of an internal combustion engine (1) which comprises estimating said maximum pressur…

DRIVE·Dec 11·1 min read

F02B77/085 UNIV BOLOGNA ALMA MATER STUDIORUM [IT]

SYSTEM AND METHOD FOR LOCATING AN ENGINE EVENT

Systems (8) and methods (100) for estimating an engine event location are disclosed herein. In one embodiment, a controller (25) is configured to receive (104) a signal from at least one knock sensor …

DRIVE·Nov 23·1 min read

F02B77/085 GEN ELECTRIC [US]

COMBUSTION STATUS DETECTION DEVICE FOR INTERNAL COMBUSTION ENGINE

A reciprocating internal combustion engine (10) includes an in-cylinder pressure sensor (34) and a crank angle sensor (42). Data of calculated heat release amount Q in synchronization with crank angle…

DRIVE·Nov 16·2 min read

F02B77/085 TOYOTA MOTOR CO LTD [JP]

METHOD FOR DETERMINING A CHARACTERISTIC VARIABLE OF A FUEL WHICH DETERMINES THE ANTI-KNOCK RATE AND CORRESPONDING TEST DEVICE

The invention relates to a method for determining a characteristic parameter characterizing the knock resistance of a fuel with the aid of a test engine (2) having at least one cylinder (1), wherein t…

DRIVE·Nov 9·2 min read

F02B77/085 ROFA LAB & PROCESS ANALYZERS [AT]

KNOCK SENSOR SYSTEMS AND METHODS FOR DETECTION OF COMPONENT CONDITIONS

In one embodiment, a method is provided. The method includes receiving a signal representative of an engine vibration transmitted via a knock sensor (32), wherein the knock sensor (32) is disposed in …

DRIVE·Oct 26·1 min read

F02B77/085 GEN ELECTRIC [US]

KNOCK SENSOR SYSTEMS AND METHODS FOR DETECTION OF COMPONENT CONDITIONS

DRIVE·Oct 26·1 min read

F02B77/085 GEN ELECTRIC [US]

METHODS AND SYSTEMS TO DERIVE HEALTH OF MATING CYLINDER USING KNOCK SENSORS

A method of deriving the health of a first cylinder (26) in a reciprocating device (12) includes receiving a first signal from a first knock sensor (32) in proximity to the first cylinder, receiving a…

DRIVE·Sep 28·1 min read

F02B77/085 GEN ELECTRIC [US]

JOINT TIME-FREQUENCY AND WAVELET ANALYSIS OF KNOCK SENSOR SIGNAL

A method 150 includes receiving 152 a noise signal sensed by a knock sensor 23 disposed in or proximate to a combustion chamber 12 of a combustion engine 10, preconditioning the noise signal to genera…

DRIVE·Sep 14·1 min read

F02B77/085 GEN ELECTRIC [US]

SYSTEMS AND METHODS TO DISTINGUISH ENGINE KNOCK FROM PISTON SLAP

A method (98) of distinguishing piston slap from engine knock in a reciprocating device includes obtaining (100) a fundamental frequency of a cylinder (26), the cylinder having a thrust face and an an…

DRIVE·Sep 14·1 min read

F02B77/085 GEN ELECTRIC [US]

SYSTEM FOR DETECTING A SEAL ABNORMALITY WITHIN A CYLINDER OF AN INTERNAL COMBUSTION ENGINE

An internal combustion engine system includes: an in-cylinder pressure sensor 30; a crank angle sensor 42; and a seal portion 34 that seals a space between an outer face of a housing 301 and a wall su…

DRIVE·Dec 30·2 min read

F02B77/085 TOYOTA MOTOR CO LTD [JP]

DETECTING MISFIRING IN A GASEOUS FUEL OPERATED INTERNAL COMBUSTION ENGINE

A method of detecting incomplete combustion, such as misfire, in a gaseous fuel operated internal combustion engine is disclosed. The method comprises receiving (step 402) a pressure data correspondin…

DRIVE·Sep 23·1 min read

F02B77/085 CATERPILLAR MOTOREN GMBH & CO [DE]

A measuring plug

Disclosed is a pressure-measuring plug (100) for a combustion engine comprising a hollow plug body (102), a housing (110) attached to a distal end (102D) of the plug body (102), electronic components …

DRIVE·Dec 3·2 min read

F02B77/085 SENSATA TECHNOLOGIES INC [US]

INTERNAL COMBUSTION ENGINE AND STRADDLE-TYPE VEHICLE EQUIPPED WITH THE ENGINE

It is possible to detect knocking appropriately in a single-cylinder internal combustion engine in which a knock sensor is mounted to a part other than a cylinder block. A crankcase (11), a cylinder b…

DRIVE·Jan 23·1 min read

F02B77/085 YAMAHA MOTOR CO LTD [JP]

Method for estimating the pinking intensity of an internal combustion engine by inverting a wave equation

The method involves constructing a wave equation model of a cylinder-head based on a physical model describing propagation of waves in a solid medium. Coefficients of a Fourier decomposition of a vibr…

DRIVE·Dec 5·1 min read

F02B77/085 IFP ENERGIES NOUVELLES [FR]