Zuendvorrichtung mit statischer Korrektur der Vorverstellung

Kontaktlose Zuendanordnung fuer Brennkraftmaschinen

Misfire discriminating method for an engine

Electronic circuits for providing amplitude variation and level displacement of a signal

A first circuit branch subjected to an input voltage and including a first resistance and a second circuit branch subjected to a reference voltage and including a second resistance are connected to a coupling circuit, which is responsive to the current circulating in the first branch to cause a current of the same value to circulate in the second branch. An output voltage taken at a point between said coupling circuit and said second resistance constitutes the modified signal.

Angle-of-rotation sensor

A light, compact angle-of-rotation sensor is provided that is comprised of a magnetic ring bonded to a shaft by means of resin. The magnetic ring is provided around its periphery with a number of magnetized zones, with each such magnetized zone having a different number of magnetic poles, and magnetic interference between magnetized zones is prevented by leaving non-magnetized spaces between the magnetized zones. The prevention of magnetic interference can be further enhanced by the provision of non-magnetized portions between the magnetic poles of the magnetized zones.

Ignition system

... 946,638. Ignition generators. MOTOROLA Inc. March 27, 1962 [April 6, 1961], No. 11728/62. Heading H2A. [Also in Division F1] Pulsing units for use in ignition systems (see also Division Fl) are described. The pulsing unit of Fig. 1 includes a permanent magnet 14 having polepieces 15 connected thereto about which are positioned coils 16. A toothed magnetic disc or wheel 18 is mounted for rotation so that the teeth 19 thereof pass by and in close proximity to the ends of the polepieces 15. The plate 17 may be advanced or retarded with respect to the disc 18. The coils may be wound directly on a permanent magnet rather than on polepieces. Electromagnets may be used instead of permanent magnets. The magnet in the magnetic structure for the coils may be dispensed with. An alternative form of pulsing unit is illustrated in Fig. 4. A permanent magnet 45 is supported by polepieces 46, 47 when a tooth 54 is positioned between the polepieces as shown, the flux from the magnet 45 through the coil ...

ANGLE-OF-ROTATION SENSOR

LIQUID FUEL ATOMIZER

... 1453853 Liquid fuel furners ISHIKAWAJIMA - HARIMA JUKOGYO KK 24 Oct 1973 [7 June 1973 20 June 1973] 49605/73 Heading F4T A liquid fuel atomizer comprises a nozzle tip 5 formed with a swirl chamber 7 to which fuel is supplied through tangential passages 6 and having an end wall with an outlet 8 at a downstream end portion of which are provided grooves or projections defining circumferentially spaced obstructions and channels for causing the atomized fuel to be discharged as a plurality of separated jets. In Figs. 1A and 2B grooves 17 generally extending tangentially to the outlet and having a surface extending obliquely to the axis of the outlet, are provided. In a modification the grooves are generally radial. In Fig. 4A, notches 18 are formed in the outlet and defined by a plane extending obliquely to the axis of the outlet and a plane containing the axis.

ENGINE UNIT AND VEHICLE

ENGINE UNIT AND VEHICLE

Equipment for the control of procedures, which parts rotary from the angle position depend

IGNITIION SYSTEM

HIGH FREQUENCY CONTINUOUS-WAVE IGNITION ENERGY

CONTROL METHOD FOR IGNITION SYSTEM

A rotor has teeth on a rotor body. The teeth indicate fixed ignition timings for both of normal and reverse rotations. The teeth also indicate beginning positions of a calculation ignition sequence and an excess advanced ignition sequence for both of the normal and reverse rotations. One of the teeth is longer than the other teeth to provide a signal for determining a rotating direction based on a detected signal from a timing sensor. In a stable rotating condition, a countdown process begins when the beginning position located on the forward side in the rotating direction from the cylinder to be ignited is detected, and the spark plug of the target cylinder sparks when the counting process finished.

SIGNAL DETECTION CIRCUIT WITH SELF-ADJUSTING THRESHOLD HAVING MODULATED CARRIER INPUT

IGNITION SPARK TIMING CONTROL SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

An ignition spark timing control system for an internal combustion engine, which comprises a reference angle signal generator to generate reference angle signals corresponding to the reference angles of each cylinder of the engine, a divider for dividing the reference angle signals to produce divided signals, and voltage-advance converters sequentially operated in an alternative manner in response to said divided signals to control ignition spark timing in dependence on an advance control signal.

IGNITION CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINES WITH SIMPLIFIED CRANKSHAFT SENSING AND IMPROVED COIL CHARGING

An electronic ignition system is disclosed for controlling as a function of at least one selected engine parameter the ignition or spark instants of an internal combustion engine having at least one cylinder with a piston and a rotatable crankshaft coupled to the piston to be rotatably driven as combustions occur within the cylinder at spark instant. The crankshaft has at least one reference position defining a positional relationship of the crankshaft to the cylinder. The electronic ignition system comprises a rotor fixed to rotate with the crankshaft and having a plurality of reference indicia thereon positionally related with respect to the reference position. The reference indicia are disposed at points equally spaced from each other by a determined arc of crankshaft rotation about the rotor. At least one of the points has a missing indicium and is disposed in a predetermined relation to the reference position of the crankshaft. A single sensor is disposed at a point fixed in relation ...

ELECTRONIC IGNITION SYSTEM FOR A GENERATOR ENGINE

A standby generator includes an alternator to produce electricity for distribution to an electrical system, and an air-cooled internal combustion engine driving the alternator. The air-cooled internal combustion engine includes one or more cylinders, one or more spark plugs each configured to initiate combustion in a corresponding cylinder, and one or more ignition coils each coupled to a respective spark plug of the one or more spark plugs to provide a voltage to the respective spark plug. The standby generator also includes a battery system electrically coupled to the one or more ignition coils to provide power thereto, and a digital ignition module wiring the battery system to each of the one or more ignition coils to control operation of the one or more spark plugs.

CRANKSHAFT ANGULAR POSITION DETECTING APPARATUS

A crankshaft angular position detecting apparatus for detecting the angular position of the crankshaft of an internal combustion engine. The crankshaft drives a timing wheel which has a plurality of circumferentially spaced slots located along its outer periphery. Two angularly spaced sensors are located adjacent the slots. The sensors develop voltage pulses as the slots move past the sensors. Two phase-displaced pulse trains are developed, one by each sensor, as the wheel rotates. The pattern of slots and the angular spacing of the sensors is such that a varying number of pulses of one pulse train occurs between consecutively occurring pulses of the other pulse train. The varying number of pulses provide different patterns and each pattern is indicative of a crankshaft position. The timing wheel is secured to the engine crankshaft and is located inside of the engine.

Dispositif d'allumage pour moteur à combustion interne

Elektronische Zündeinrichtung an einer Brennkraftmaschine

Prepn carboxylic acids and unsatd esters or carboxylic

Prepn. of carboxylic acids (I) and unsatd. esters of carboxylic acids (II) (where (I) may = (II)), by gas phase rea. of an alkylenic cpd. (III), an aldehyde corresponding in structure and number of C atoms to the acid (I) and air or oxygen, in the gas phase at elevated temps (esp. 150-200 deg.C). using a Pd-contng. catalyst on a carrier, in which the aldehyde used is formed in situ during the reaction by the hydrolysis of part of the unsatd. ester of the carboxylic acid (II). Process is esp. useful for the prodn. of vinyl acetate from ethylene and aqueous acetic acid according to the scheme. 2 C2H4+2CH3COOH 2 CH2=CH-OOC.CH3+2H2O CH2=CH-OOC.CHO+H2O CH3CHO + CH3COOH CH3CHO + 1/2 O2 CH3COOH Process needs only one reactor, as opposed to multi-stage reactions in known processes.

Anordnung zur Steuerung von Vorgängen, die von der Winkelstellung rotierender Teile abhängen

Zündanordnung für Verbrennungsmotoren

DETECTEUR DE PROXIMITE

Détecteur de proximité notamment pour commande d'allumage de moteur à combustion interne pour véhicule automobile qui comporte un élément isolant 6 assurant le centrage du circuit magnétique 2, 3 dans le boîtier et d'autre part le positionnement de la plaquette 1 dans ledit boîtier, élément qui se présente sous la forme d'un embout partiellement cylindrique, de même diamètre que le diamètre extérieur du circuit magnétique et celui intérieur du boîtier, et qui comporte à une extrémité, un téton cylindrique 6a de diamètre apte à pénétrer dans le centre ouvert du circuit magnétique de façon à le centrer dans le boîtier, à l'autre extrémité une rainure 6d apte à recevoir une extrémité de la plaquette 1 de façon excentrée par rapport à l'axe du circuit magnétique, diamétralement opposées et sur ses flans deux rainures 6c en forme de gouttières aptes à recevoir et à guider les fils 3a de la bobine jusqu'à la plaquette sur laquelle ils sont fixés et symétriquement à la rainure recevant plaquette ...

SYSTEME DE COMMANDE POUR ALLUMAGE ELECTRONIQUE

L'invention concerne un système de commande pour allumage électronique de moteur à combustion interne Il comprend une mémoire 12 mémorisant une information de retard de combustion, c'est-à-dire de retard entre l'allumage et la combustion, et un processeur 13. Le compteur 11 compte le nombre d'impulsions d'horloge qu'il reçoit entre points de départ de combustion adjacents. Alors, l'information de retard de combustion est lue dans la mémoire 12 et le processeur 13 produit une information de temps d'allumage en fonction de l'information de comptage et de 1'information de retard. L'invention vient répondre aux exigences plus sévères de la réglementation sur les échappements des moteurs à combustion ...

Process for the Simultaneous Manufacture of Acetic Acid and Carboxylic Acid Vinyl Esters

METHOD AND DEVICE FOR DETECTING FOR PILOT ELECTRONIC INJECTION MULTI-CYLINDER ENGINE

Proximity detector for electronic ignition system - uses insulating ferrule to position magnetic circuit and printed circuit in housing

MONTAGE D'EXPLOITATION DE SIGNAUX ELECTRIQUES FOURNIS PAR UN CAPTEUR A RELUCTANCE VARIABLE

MONTAGE D'EXPLOITATION DE SIGNAUX ELECTRIQUES FOURNIS PAR UN CAPTEUR INDUCTIF DELIVRANT DES SIGNAUX AYANT UNE AMPLITUDE VARIABLE PROPORTIONNELLE A LA VITESSE D'UNE CIBLE LIEE EN ROTATION A UN ARBRE MOTEUR. LE MONTAGE SE CARACTERISE EN CE QU'IL COMPORTE UN DISPOSITIF D'INHIBITION 20 COMPRENANT UN PREMIER MOYEN 21 FOURNISSANT L'IMAGE DES COURANTS D'ENTREE DE L'ETAGE DE MISE EN FORME ET ELIMINANT LES COURANTS DE POLARISATION, UN DEUXIEME MOYEN C MEMORISANT LA VALEUR MAXIMUM ATTEINTE PAR L'AMPLITUDE DE LA DEUXIEME ALTERNANCE DU SIGNAL D'ENTREE, UN TROISIEME MOYEN 22 DETERMINANT UNE FRACTION K DE LA VALEUR MEMORISEE, UN QUATRIEME MOYEN 23 DETERMINANT SI LES AMPLITUDES SUIVANTES ONT ATTEINT OU NON LA FRACTION K DE LA VALEUR MEMORISEE ET DELIVRANT OU NON UN COURANT DE REMISE A ZERO DU MOYEN DE MEMORISATION, UN CINQUIEME MOYEN DE COMMANDE 24 QUI, EN FONCTION DE LA VALEUR MEMORISEE ET DE L'ETAT LOGIQUE DE L'ENTREE DE L'ETAGE DE SORTIE DU MONTAGE D'EXPLOITATION, AUTORISE OU NON LA SORTIE DE L'INFORMATION ...

Device of detection of the angular position of a camshaft of internal combustion engine

Dispositif de détection de la position angulaire d'un arbre à cames (2) de moteur à combustion interne, comprenant un capteur du type à effet Hall (4) destiné à être monté dans un logement (5) correspondant du moteur pour détecter le passage d'une cible (3) en matériau magnétique solidaire dudit arbre à cames (2), caractérisé en ce que le capteur (4) coopère avec des moyens élastiques de poussée (6) destinés à venir plaquer le capteur contre la cible (3) lors de la mise en place dudit capteur (4) dans son logement (5).

SPARK IGNITION SYSTEMS

CIRCUIT TO RECOGNIZE a FORM Of WAVE

ELECTRONIC DEVICE OF SPARK CONTROL Of an INTERNAL COMBUSTION ENGINE, IN PARTICULAR FOR MOTOR VEHICLES

DEVICE FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE

A device for controlling an internal combustion engine in a motor vehicle is described which comprises a sensor system with a transmitter disc (10) surrounding a shaft of the engine, opposite which is a fixed receiver (20). Around the periphery of the transmitter disc are segments (11, 12) whose number is proportional to the number of cylinders. A permanent magnet (15) is allocated to at least one of the segments (11, 12) as a marker. The signals generated by the segments (11, 12) or the permanent magnet (15) in the receiver (20) are sent to a control circuit (21) for the ignition, injection and the like of the vehicle which comprises several threshold switches, the thresholds of which are adjusted depending on the amplitude of the signal provided by the receiver (20). Matching the switching thresholds to the various amplitudes of the output signals from the receiver (20) prevents self-adjustment and hence facilitates, for instance, the highly accurate allocation of the ignition pulses ...

DEVICE FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE

The device for controlling an internal combustion engine of a vehicle comprises a sensor system with a rotary emitter disk (10) mounted on a shaft of the engine facing a fixed sensor element (20). The periphery of the disk (10) is provided with a number of segments (11, 12) proportional to that of the engine cylinders. At least one of the segments (11, 12) comprises a permanent magnet (15). The signals generated in the detector element (20) by the permanent magnet (15) or segments (11, 12) are transmitted to a control circuit (21) for the ignition, injection etc. of the vehicle. This ensures precise allocation of the ignition pulses for a high-voltage distribution without a distributor, using a single emitting unit.

Circuit for producing a series of substantially square wave output signals

A source of alternating current signals is applied across the inverting and non-inverting input terminals of a voltage comparator circuit through a series bias resistor. Electrical circuitry including a supply potential source and the comparator circuit output terminal is effective to direct current flow through the bias resistor in respective first and second opposite directions while the comparator circuit is in the first and in the second operating conditions whereby the polarity of the potential generated across the bias resistor reverses with each change of operating condition of the comparator circuit.

Signal detection circuit with self-adjusting threshold having modulated carrier input

An amplifier circuit for use with variable inductance type position sensors and others which provide modulated carrier outputs, whereby the circuit is conditioned by the cyclical modulation output from the sensor. The circuit condition sets a threshold level based upon the signal output from the sensor so that the signal from the circuit is a voltage replica of the input signal that is enhanced to have predetermined and constant high and low peak values without regard to peak value variations in the cyclical signal received from the sensor.

Electronic cylinder identification apparatus for synchronizing fuel injection

An electronic cylinder identification system is disclosed for identifying the occurrence of a predetermined cycle position for a reference cylinder and synchronizing fuel injection for a multi-cylinder engine in accordance thereto. A four cylinder engine rotates a rotary body having two 90 degree spaced peripheral projections and two stationary reluctance sensors are positioned 180 degrees apart about the body and sense the passage of the rotary body projections. Logic circuitry receives signals from the two sensors and determines which sensor is currently providing a logic pulse indicating the passage of a projection and which sensor previously provided such a pulse. The logic circuitry utilizes this information to identify the rotational position of the rotary body by differentiating between occurring identical sensor pulses based upon which sensor previously produced a pulse. Preferably the rotary body is rotated by the engine camshaft which is rotated at one half of the speed of the ...

Control apparatus for internal combustion engine

A control apparatus for an internal combustion engine, includes: a crankshaft; a crank angle detection unit that outputs a crank signal; a generator that rotates in synchronization with the rotation of the crankshaft, and that outputs alternating voltage signals with one-phase; and a control unit, to which the alternating voltage signals are input, that ascertains ignition timings based on the crank signals, performs ignition control so as to spark the internal combustion engine at the ignition timings, determines a polarity of the alternating voltage signal each time the crank signal is detected, ascertains a polarity cycle of the alternating voltage signals based on the determination result of the polarity, and determines that a failure has occurred in the generator when the polarity cycles do not continuously coincide multiple times with the polarity cycles at the time of forward rotation of the crankshaft.

Breakerless ignition system for internal combustion engines

A breakerless ignition system includes a resonant circuit whose oscillation is controlled by the relative position between a detector coil (2a) embodied therein and a magnetically permeable rotor (1) driven by the engine, and a threshold detector (3) responsive to the oscillation signal envelope for controlling the supply of energy to an ignition coil (6) via a power switching transistor (5). To prevent false triggering of the detector due to spurious signals induced in the coil by the spark ignition firings, a monostable mutivibrator (8) actuated by the trailing edge of the detector output holds the transistor (5) deenergized for a predetermined period of time after it has been turned off. The multivibrator output may resistively ground the resonant circuit, or it may disable the transistor via an inverter (11) an AND gate (12).

ENGINE FIRING CONTROLLER

PURPOSE: To eliminate the influence of the firing noise by blocking the input to the firing control section by means of the firing control signal and the output from the mono-multi circuit including the firing noise production area while not reaching to the referential position signal generating area. CONSTITUTION: The OR gate 10 is feeding the signals D, E from the firing control section 7 to the monostable multivibrator circuit 11, thereby it is triggered for every falling of the signals D, E and the output will provide the predetermined time L. The time T where said circuit 11 will be L is set in the range from the start of the firing of the signals D, E to the completion of the noise production except the production interval of the referential position signals B, C. Consequently when the output from the circuit 11 is L for the time interval T, the AND gates 8, 9 are closed to disable the input of the noise from the referential pickup sensors 2, 3 into the firing control section 7. Consequently ...

SCHALTUNGSANORDNUNG ZUR LAGE-ERKENNUNG EINES ROTIERENDEN TEILES

ZUENDSIGNALVERTEILSCHALTUNG FUER EINEN MEHRZYLINDERMOTOR

Zuendschaltung fuer Brennkraftmaschinen

A misfire discriminating method for an engine

In an i.c. engine management system controlling fuel injection quantity and ignition timing etc. and using plural sensors including crank- and cam-shaft angle sensors comprising discs attached to the respective shafts, misfires are descriminated by measuring engine r.p.m. for a combustion stroke of one cylinder and subtracting this from the corresponding valve for the next cylinder in the firing sequence, and comparing the resultant speed difference with a value corresponding to the preceding pair of cylinders in the sequence or with a weighted average valve, and corrections are made to the speed difference values on the basis of stored data to allow for errors in the form and mounting of the shaft angle sensor discs.

Spark ignition apparatus for internal combustion engines

... 1,077,061. Ignition systems. JOSEPH LUCAS (INDUSTRIES) Ltd. Nov.26, 1963 [Dec. 5, 1962; May 8, 1963; June 27, 1963], Nos. 45985/62; 18140/63 and 25576/63. Heading F1B. Spark ignition apparatus for an internal combustion engine comprises a spark generating circuit for supplying spark-generating pulses to the plugs of the engine in turn a trigger circuit coupled to the spark generating circuit and serving to permit the spark generating circuit to produce a single spark producing pulse each time the trigger circuit is biased by an input, a fixed frequency oscillator providing the biasing input to the trigger circuit and magnetic means driven by the engine for preventing the oscillator from providing the biasing input except when a spark is required. Referring to Figs. 1 to 3, when one of the slots 52 appears between the windings 25, 28 the circuit including the transformer 24 the resistor 29, capacitor 31 and transistor 26 oscillates in known manner to produce an A. C. voltage across the resistor ...

Ignition device for internal combustion engines

... 883,082. Charging and discharging condensers. D.B.A. DIVISION DUCELLIER. April 6, 1960 [April 15, 1959], No. 12245/60. Class 38 (4). [Also in Group XXVII] An ignition system comprises a transistor type oscillator, a step up transformer 4, 7 into which the oscillator feeds, a capacitor 9 connected to the secondary of the transformer, means 8 for rectifying the alternating voltage generated in the secondary for charging the capacitor, a discharge circuit for the capacitor, a semiconductor type thyratron 25 in the discharge circuit and a pulse generator 28, the frequency of which is proportional to the rotational speed of the engine to periodically render the thyratron conducting.

Internal combustion engine ignition systems

... 931,932. Transistor mono-stable circuits. GENERAL MOTORS CORPORATION. March 8, 1962 [March 13, 1961], No. 8934/62. Class 40 (6). [Also in Group XXVII] The conduction of an ignition pulse producing transistor 92 is controlled by a monostable circuit 66, 74 controlled by voltage pulses generated in the pick-up coil 32. The time at which the transistors 74 and 92 are rendered non-conductive depends on the R.C. time constant of the resistor 90 and capacitor 84 because capacitor 84 discharges through a path which includes the resistor 90, the battery 58, and the emitter to collector circuit of the transistor 66. The invention relates to ignition systems (see also Group XXVII).

Wheel speed sensing system

ANGULAR POSITION TRANSDUCERS FOR USE IN ENGINE TIMING CONTROLS

... 1514734 Measuring angular displacement LUCAS ELECTRICAL Ltd 16 May 1975 [21 May 1974 4 June 1974 20 Aug 1974 8 Oct 1974(2)] 22535/74 25274/74 36548/74 43481/74 and 43482/74 Heading G1N An apparatus for indicating successive positions of a rotating member, e.g. for use in an engine timing control system or an engine fuel injection system, comprises an electromagnetic generator 9 connected to be driven by the rotating member and producing, in use, a beam of primary and secondary pulses, there being at least one secondary pulse between each pair of successive primary pulses and the secondary pulses being of magnitude different from that of the primary pulses. Recognition means 23 are connected to the generator 9 for distinguishing the two types of pulses and include integrating means for generating a signal corresponding to the time integral of at least part of the voltage waveform of each pulse. A control is connected to the recognition means for providing output signals indicating successive ...

APPARATUS FOR CONTROLLING OPERATIONS WHICH DEPEND UPON THE ANGULAR POSITION OF A ROTATING SHAFT

... 1293246 Ignition systems; fluid logic and switching circuits ROBERT BOSCH GmbH 25 Feb 1970 [26 Feb 1969] 9055/70 Headings F1B and F1P [Also in Division G4] In a system for controlling the ignition or fuel injection of an internal combustion engine, a rotating shaft carries a disc 10 with markers 12 and teeth. A sensor 11 detects the passage of the markers 12 and the teeth. One marker triggers monostable circuit 19, whose relaxation time is controlled by various engine parameters causing gate 17 to open and allow counter 15 to connect pulses from oscillator 18 in the forward direction. The other markers 12 causes bi-stable circuit 21 to trigger and open gate 14. The pulses generated by the teeth on disc 10 are shaped by unit 13 and counted in the downward direction by counter 15. When counter 15 records zero an output pulse is produced which controls the ignition or fuel injection, and switches bi-stable 21 so that gate 14 is closed. In this way the timing of the control pulse is determined ...

Improvements in or relating to ignition systems for internal combustion engines

... 954,060. Dynamos. ROBERT BOSCH G.m.b.H. June 29, 1960 [July 11, 1959], No. 22736/60. Heading H2A. [Also in Division F1] As shown, the generator of an ignition system (see also Division F1) is accommodated in a housing 51 of the distributer. Its rotor 50, manufactured from moulded magnetic material, is located on the driving-shaft of the distributer. The winding 55 of the generator is accommodated between two dished caps 56 and 57 made of soft iron. The caps 56, 57 each have on their inner periphery forming the bore for receiving the rotor four prongs 58 or 59 extending in the axial direction to provide stator pole faces and leaving between them so much space that between each two prongs 59 one of the prongs 58 of the lower cap 56 can project and vice versa. Distributed alternately over the periphery of the rotor 50 are four north poles and four south poles which produce a magnetic flux from the prongs 59 over the cap 57 to the lower cap 56 and the flux returns from there through the prongs ...

CRANK ANGLE DETECTING SYSTEM FOR I C ENGINE

IGNITION SYSTEM FOR INTERNAL COMBUSTION ENGINES

Procedure for the simultaneous production of acetic acid and Carbonsäurevinylestern

DETECTION CIRCUIT WITH SELF-ADJUSTING THRESHOLD

ALBUMIN DERIVATIVES WITH THERAPEUTIC FUNCTIONS

ELECTRONIC CYLINDER IDENTIFICATION APPARATUS FOR SYNCHRONIZING FUEL INJECTION

SPARK INGITION SYSTEMS

ELECTRONIC ENGINE SYNCHRONIZATION AND TIMING APPARATUS

Electronic engine synchronization and timing apparatus for use in controlling fuel injection and/or spark ignition for an internal combustion engine is disclosed. An engine crankshaft rotates a rotary body having a plurality of radial projections, and a single crankshaft reluctance sensor is utilized to provide pulses in response-to the passage of these projections and thereby provide a signal related to crankshaft position. An engine camshaft rotates a rotary body with radial projections at half of the crankshaft speed, and a pair of camshaft sensors provide signals in response to the passage of the camshaft projections which are indicative of the rotational position of the camshaft. The signals provided by the crankshaft and camshaft sensors are received by circuitry which provides a crankshaft reference signal having transitions of alternate predetermined polarities at specific rotational positions of the crankshaft and also provides cylinder identification signals which are indicative ...

Installation of lighting for thermal engines

ELECTRONIC DEVICE OF SPARK CONTROL Of an INTERNAL COMBUSTION ENGINE, IN PARTICULAR FOR MOTOR VEHICLES

IGNITION SYSTEM WITHOUT CONTACT FOR ENGINES SPARK-IGNITION

Electric ignition system

SENSOR STATOR MAGNETIC ESPECIALLY FOR IGNITION DISTRIBUTOR FOR AN INTERNAL COMBUSTION ENGINE IN A VEHICLE

IC engine electronic ignition control - has reference signal generator operating periodically in response to two crankshaft revolutions and has markers for operating cylinders

INSTALLATION D'ALLUMAGE POUR MOTEUR A COMBUSTION INTERNE

... a. Installation d'allumage pour moteur à combustion interne. b. Installation caractérisée en ce que l'organe de commutation électronique constitue l'entrée d'un montage de commande, en outre, en ce qu'un rupteur électronique est prévu à la sortie du montage de commande et est branché en série avec l'enroulement primaire de la bobine d'allumage, et enfin, en ce que le signal de commande induit dans la bobine de commande par le fil de commande à l'instant d'allumage est utilisé pour commander le rupteur électronique dans l'état de blocage, le montage de commande étant utilisé pour maintenir temporairement cet état de blocage. c. L'invention s'applique aux installations d'allumage pour moteurs à combustion interne.

DISPOSITIF ELECTRONIQUE DE COMMANDE DES CHANGEMENTS DE RAPPORTS DE VITESSES POUR UNE TRANSMISSION AUTOMATIQUE DE VEHICULE AUTOMOBILE

UN GOUVERNEUR ELECTRONIQUE G RECEVANT DES SIGNAUX C, C CORRESPONDANT A LA CHARGE DU MOTEUR ET A LA VITESSE DU VEHICULE COMPREND DEUX PERIODEMETRES 7, 11 PILOTES PAR DES INTERRUPTEURS 8, 10 CORRESPONDANT A LA COMMANDE MANUELLE D'IMPOSITION DES RAPPORTS DE TRANSMISSION ET PAR UN INTERRUPTEUR DE RETROCONTACT 9. LES SIGNAUX DE SORTIE A, B DU GOUVERNEUR G, FOURNISSANT DES ORDRES DE PASSAGE DE VITESSES ALIMENTENT LE DISPOSITIF DE COMMUTATION SEQUENTIELLE G QUI PILOTE LES ELECTROVANNES EI ET EL DE COMMANDE DE LA BOITE DE VITESSES AVEC DES TEMPORISATIONS DT ET DT POUR LES PASSAGES TRANSITOIRES.

ASSEMBLY Of EXPLOITATION OF ELECTRICAL SIGNALS PROVIDED BY a SENSOR HAS RELUCTANCE VARIABLE

STATOR OF MAGNETIC SENSOR IN PARTICULAR FOR DISTRIBUTOR Of LIGHTING FOR INTERNAL COMBUSTION ENGINE OF MOTOR VEHICLE

회전 요소의 속도를 검출하는 장치, 방법 및 차량

... 4 행정 기관에서 크랭크샤프트 회전 속도와 위치를 검출 및 모니터링 하는 장치로, 회전 요소 또는 요소들(1, 1') 상의 기준 마크들(9, 9')의 통행을 감지하도록 제1 센서(3)와 제2 센서(4)가 배치되어 있다. 제1 센서(3)는 엔진의 크랭크샤프트 플라이휠(1) 상의 기준 마크들(9)의 통행을 감지하도록 배치되어 있는 고정밀 센서이고, 제2 센서(4)는 엔진의 캠 샤프트와 관련된 휠(1') 상의 기준 마크들 또는 크랭크샤프트 플라이휠(1) 상의 기준 마크들(9, 9')의 통행을 감지하도록 배치되어 있는 저속 센서이다. 본 발명은 방법 및 차량에도 관한 것이다.

SENDER OF OPERATIONAL SIGNALS ELECTRIC FOR ACTIVATION OF PROCESS ESPECIALLY PROCESSES DEIGNICAO IN ENGINES OF INTERNAL COMBUSTION

A NOVEL INTEGRATED FLYWHEEL ASSEMBLY FOR TWO CYLINDER DIRECT INJECTION HIGH PRESSURE COMMON RAIL, FOUR STROKE RECIPROCATING PISTON INTERNAL COMBUSTION DIESEL ENGINE

This invention relates to an integrated flywheel assembly for twin cylinder internal combustion inline common rail diesel engine comprising; plurality of cylindrical surfaces, said surfaces being integrally provided as a single structure mounted rigidly on a plurality of bolts (1 ) onto a crankshaft; a ring gear (2) fitted at the periphery of the flywheel, said ring gear comprising plurality of teeth sufficient to ensure required engine rpm during starting, said teeths being in association with the teeths on a pinion of a starter motor; and inside periphery of said fly wheel is provided with plurality of teeths (5) to accurately detect the engine speed of the common rail diesel engine with the help of a engine speed sensor.

Circuit for recognizing a pulse waveform and an ignition system for an i.c. engine including such a circuit

A pulse waveform recognition circuit includes an input stage consisting of a tuned circuit tuned to approximately the frequency of a sinusoid to half-waves of which the pulses to be recognized approximate. A transistor is biased to conduct weakly and has its base coupled to the tuned circuit so as to be turned on by a pulse within the band width of the tuned circuit. The transistor drives a monostable multi-vibrator with a frequency dependent feedback circuit which causes the reversion time of the multi-vibrator to decrease as the frequency of triggering increases and which also increases the threshold voltage required to trigger the monostable circuit as this frequency increases. The circuit is used in an ignition system for an i.c. engine.

Engine reversing detection system for outboard motor

A system for detecting reverse rotation of a 4-cycle, internal combustion engine with three or more cylinder for an outboard motor mounted on a boat, whose output is connected to a propeller such that the boat is propelled forward or reverse. In the system, it is determined whether a counted value of crank angle signals generated once every 30 crank angles is a multiple of a predetermined number (e.g., four in six cylinders), when the cylinders are identified and it is determined that engine rotates reverse when the counted value is determined to be not the multiple and the engine is immediately stopped. With this, it becomes possible to accurately detect the reverse rotation of the engine and prevent its further reverse rotation.

Electronic ignition control systems

There are provided a counter, a memory device which stores a combustion delay information, that is an information regarding the time delay between ignition initiation and combustion, and a processor. In response to a clock pulse the counter measures the interval between adjacent combustion initiation points and produces a count information corresponding to the combustion interval. The combustion delay information is read out of the memory device by the count information. The processor produces an ignition time information in response to the count information and the combustion delay information. The ignition time information contains an information corresponding to the difference between the combustion initiation points and the combustion delay time, and is used to generate a succeeding ignition initiation time.

IGNITION CONTROL SYSTEM WITH SIMPLIFIED CRANKSHAFT SENSING

An electronic ignition system (10) for controlling the ignition of a reciprocating piston internal combustion engine (12) having at least one cylinder with a crankshaft (14) having at least one reference position defining a positional relationship of the crankshaft (14) to the cylinder. The ignition system (10) comprises a rotor (16) fixed to rotate with the crankshaft (14) and having a plurality of reference indicia (18) with the indicia (18) disposed at points equally spaced from each other by a predetermined arc with at least one of the points defining a missing indicium disposed in a predetermined relation to the reference position of the crankshaft (14). A sensor (20) is utilized for providing a train of sensor signals, and the missing indicium is determined by circuitry responsive to each sensor signal when the measured arc is greater than the predetermined arc.

EINRICHTUNG UND ANLAGE ZUR DREHERFASSUNG.

Verteiler

Method to disconnect pulses from drive train of vehicle involves reducing rotation of drive train at selected points during rotation assigned to ignition pulses of engine operating drive train

The method involves preparing a vehicle drive train. The rotation of the drive train is reduced at selected points during rotation. The points are selected, so that they are assigned to ignition pulses of an engine operating the drive train. A control for the drive shaft determines an approaching motor ignition pulse and closes a switch to reduce the drive train rotation. An Independent claim is included for a system for implementing the method.

SENSOR FUER EINE PHYSIKALISCHE GROESSE

Crank angle and cylinder number detecting system and method for internal combustion engine

Internal combustion engine ignition system

... 904,687. Ignition systems. GENERAL MOTORS CORPORATION. June 21, 1961 [June 23, 1960], No. 22420/61. Class 7(4) In an ignition system the flow of current from an electric power source 10 to the primary 64 or 68 of an ignition coil is controlled by first and second transistors 1 connected with the power source so that when one transistor is substantially fully conductive the other is substantially. fully non-conductive, one of the transistors 30 being connected between the power source and the primary of the ignition coil and the other 42 being connected with a device 80 for controlling its conduction in synchronism with the operation of the engine. The magnet assembly 80 as it rotates induces voltages in the coils 84, 86, 88 and 90, the coils 84, 88 being used in starting the engine to provide a somewhat retarded spark and coils 86 and 90 being used when the engine is running to give an advanced spark as compared with that from coils 84 and 88. An embodiment employing a single ignition coil ...

PROXIMITY DETECTOR FOR EXAMPLE FOR INTERNAL COMBUSTION ENGINE IGNITION TIMING

... 1530358 Proximity detectors SOC ANON POUR L'EQUIPMENT ELECTRIQUE DES VEHICULES SEV MARCHAL 8 Dec 1976 [8 Dec 1975] 51263/76 Heading G1N A proximity detector comprises a Colpitts oscillator the coil 1 of which in use is mounted adjacent a toothed movable member e.g. a rotor 2. The transistor 5 of the oscillator has its emitter connected to its base through a diode 15 in series with a resistor 16 and a capacitor 17 is mounted in parellel with the "diode-resistor" connection. A diode 10 is provided for temperature compensation.

A contact-less ignition system

... 1,104,517. Ignition systems. HITACHI Ltd. Aug. 27, 1965 [Aug. 28, 1964], No.36992/65. Heading F1B. An ignition system comprises an ignition point determining means having a first coupling coil 3 provided at the output side of a high frequency generating means 2 and a second coil 4 disposed opposite to the first coupling coil and a rotary plate (not shown) between the coils. A waveform shaping circuit 7 is associated with the ignition point determining means and the pulse from the waveform shaping circuit is amplified and used to control the primary current of the ignition coil 10. Means to advance the ignition automatically in accordance with engine speed are described.

Ignition system for internal combustion engine

... 1, 095,061. Ignition systems. ELTRA CORPORATION. Feb. 10, 1965 [Nov. 16, 1964], No. 5865/65. Heading F1B. In an ignition system, a triggering means for causing intermittent release of the energy from an energy storage device 46 comprises a solid state oscillator, the oscillator 20 having a control electrode and a pair of magnetically coupled inductive coils operably connected to the control electrode whereby changes in the mutual inductance between the coils causes variations in the output of the oscillator and means to cause the output variations to effect a periodic discharge of energy from the energy storage device to the spark discharge device or devices. The oscillator is an astable blocking oscillator comprising a PNP transistor 20. As shown the storage capacitor 46 is connected to the full wave rectifier of the power supply through a diode 47 and a coil 48. If desired a second storage capacitor 49 may be connected in parallel with the storage capacitor 46 when starting. When the ...

IGNITION SYSTEMS

... 1380648 Ignition systems; timing ignition ROBERT BOSCH GmbH 4 Feb 1972 [5 Feb 1971] 5231/72 Heading F1B In an I.C. engine ignition system, the spark producing electrical pulses are timed in dependence upon engine operating parameters and are distributed electronically to respective spark plugs. As shown in Fig. 1, an engine speed tachometer 10 and an intake manifold pressure transducer 11 apply their outputs to respective function generators 12, 13 whose outputs are applied to an adder 14. Additional parameters may be utilized, e.g. butterfly valve position, engine temperature, airpressure or air humidity, corresponding transducers and function generators, e.g. 15, being provided. The output voltage of adder 14 is compared at 16 with a sawtooth voltage Uw dependent upon the angle of rotation of the engine crank-shaft determined by a generator 18. When the two voltages are equal a pulse is provided to a gate 36 which is operated by the two outputs of a device 37 connected to the tachometer ...

ELECTRONIC IGNITION CONTROL CIRCUIT

... 1387146 Ignition systems CHRYSLER CORP 8 May 1972 [1 June 1971] 17592/74 Divided out of 1387145 Heading FIB [Also in Division H3] The subject-matter of the present Specification is substantially identical to that of Specification 1387145 but the claims relate to the excess voltage protection of the output stage transistor by connection of a Zener diode across its base and collector terminals.

IGNITION COIL HAVING A WINDING FORM

An ignition coil has a ferromagnetic core, a primary coil surrounding a portion of the core and wrapped helically with a conductor, a winding form having partitions extending outwardly of a tubular surface of the winding form, and a secondary coil wrapped on the winding form. The partitions define a plurality of annular coil chambers including central chambers and end chambers. The end chambers have a spiral land. The secondary coil includes coil sections in each of the plurality of coil chambers. The secondary coil has coil turns in the end chambers in a spiral configuration on the spiral land and increasing progressively in diameter toward the central chambers. 1. An ignition system comprising:a ferromagnetic core;a primary coil surrounding a portion of said ferromagnetic core, said primary coil being wrapped helically with a conductor;a winding form having partitions extending outwardly of a tubular surface of said winding form, said partitions defining a plurality of annular coil chambers including central chambers and end chambers, said end chambers having a spiral land; anda secondary coil wrapped on said winding form including coil sections in each of said plurality of coil chambers, said second coil having coil turns in said end chambers in a spiral configuration on said spiral land and increasing progressively in diameter toward said central chamber.2. The ignition coil of claim 1 , each of said end chambers has a depth less than a depth of said central chambers.3. The ignition coil of claim 1 , the partitions of one of said end chambers having a generally equal diameter.4. The ignition coil claim 3 , the partition of one of said end chambers being adjacent the end of said winding form.5. The ignition coil of claim 1 , the partitions of said and chamber progressively decreasing in radius from said central chambers.6. The ignition coil claim 1 , one of said end chambers having a greater width than another of said end chambers.7. The ignition coil of claim 1 ...

Synchronization of an internal combustion engine

A current source sensor delivers detection information in the form of an intermediate signal by selectively applying a low-level or high-level current to a communication bus depending on the passage of a mobile target, the sensor including a sensitive portion detecting the passage of a of the mobile target, an electronic module controlling and shape signals coming from the sensitive portion, an embedded intelligence module designed, inter alia, to receive information from another sensor through a first signal present on the communication bus, the first signal being the sum of the abovementioned intermediate signal generated by the sensor and of another intermediate signal generated by the other sensor, wherein the embedded intelligence module is adapted to modify a first low level and a first high level of the intermediate signal, respectively, into a second low level and into a second high level depending on a the first signal.

CRANKSHAFT DRIVEN FLYWHEEL MAGNETO GENERATOR WITH CIRCULAR WINDING FOR POWER SUPPLY IN HANDHELD BATTERYLESS COMBUSTION ENGINES

A magneto ignition system for battery less hand-held combustion engines includes a claw generator with a stationary circular power coil winding enclosed by two iron claw halves and with a rotating flywheel magnet ring with multiple magnetic poles. The stationary circular coil winding includes a trigger coil with a stationary coil winding arranged in a plane orthogonal to the stationary circular power coil winding. The magneto ignition system further includes an engine control module ECM for establishment of appropriate ignition timing, and an ignition coil module ICM. The stationary circular power coil winding may provide the electrical power supply to both the ignition timing module ECM and the ignition coil module ICM. 1. A magneto ignition system for a batteryless hand-held combustion engine comprising;{'b': '10', '#text': 'a claw generator arranged with a stationary circular power coil winding enclosed by two ferro magnetic claw halves with a plurality of legs in each claw half and with claws in each claw half facing and arranged overlapping each other, and with a rotating flywheel magnet ring driven by a crankshaft of the batteryless hand-held combustion engine around said stationary circular power coil winding (), with a plurality of magnet poles arranged in said rotating flywheel magnet ring with alternating polarity;'}a trigger coil with a stationary coil winding arranged in said claw generator around at least one claw in each claw half with a low impedance coil winding of the trigger coil and the stationary coil winding of the trigger coil lying in a plane orthogonal to the stationary circular power coil winding;an engine control module arranged at a distance from said claw generator, said engine control module containing a processor and associated memory for establishment of appropriate ignition timing dependent on a trigger coil signal and mapped ignition timing in said memory, wherein the trigger coil signal from the claw generator is used for ...

Variable reluctance sensor interfaces with clearing and methods of their operation

The embodiments described herein include systems with a variable reluctance sensor (VRS) interface and methods of their operation. Embodiments of VRS interfaces include a clearing signal generator configured to generate a clearing signal corresponding with the timing of a noise event. The clearing signal may be configured to clear a post-processing circuit.

Detection apparatus and control apparatus

A detection apparatus for detecting a cam angle of a 4-stroke multi-cylinder engine in which explosion intervals are unequal intervals, includes a detection target member configured to rotate in synchronism with a camshaft, and first and second cam angle sensors configured to detect rotation of the detection target member. The detection target member includes a plurality of first detection target portions arranged, at equal pitches, as many as the number of cylinders of the multi-cylinder engine. The second cam angle sensor is arranged while being shifted in the rotation direction with respect to the first cam angle sensor such that any one of detection signals of the plurality of first detection target portions by the first cam angle sensor and the second cam angle sensor is output at a timing corresponding to each explosion interval.

CRANK ANGLE DETECTION DEVICE

Provided is a crank angle detection device that includes an ACG rotor supported by an end of a crank shaft and configured to rotate integrally with the crank shaft, a metal-plate-made pulsar ring including a ring-shaped plate portion and a detected portion that includes a plurality of convex portions formed at an outer circumference of the ring-shaped plate portion, and being configured to rotate integrally with the ACG rotor with the ring-shaped plate portion fixed to the ACG rotor, and a magnetic sensor arranged at an outer circumference of the pulsar ring and configured to detect the detected portion. Such a crank angle detection device is capable of detecting a crank angle with high accuracy. 1. A crank angle detection device , comprising:an ACG rotor supported by an end of a crank shaft and configured to rotate integrally with the crank shaft;a metal-plate-made pulsar ring having outer diameter larger than outer diameter of the ACG rotor, the pulsar ring including a ring-shaped plate portion and a detected portion that includes a plurality of convex portions formed at an outer circumference of the ring-shaped plate portion and that forms predetermined clearance between an outer circumferential face of the ACG rotor as being bent toward the outer circumferential face of the ACG rotor in an axial direction of the crank shaft, and being configured to rotate integrally with the ACG rotor with the ring-shaped plate portion fixed to a side face of the ACG rotor; anda magnetic sensor arranged at an outer circumference of the pulsar ring and configured to detect the detected portion.2. The crank angle detection device according to claim 1 ,wherein a convex portion is circularly arranged at the side face of the ACG rotor concentrically with the crank shaft, andan inner circumferential face of the ring-shaped plate portion is intimately contacted to an outer circumferential face of the circularly-arranged convex portion.3. The crank angle detection device according to ...

VARIABLE RELUCTANCE SENSOR INTERFACES WITH CLEARING AND METHODS OF THEIR OPERATION

The embodiments described herein include systems with a variable reluctance sensor (VRS) interface and methods of their operation. Embodiments of VRS interfaces include a clearing signal generator configured to generate a clearing signal corresponding with the timing of a noise event. The clearing signal may be configured to clear a post-processing circuit. 1. An ignition system for an internal combustion engine , comprising:a variable reluctance sensor configured to sense passing of at least one tooth on a wheel in an internal combustion engine, the variable reluctance sensor configured to generate a variable reluctance sensor signal;a leading edge comparator including a first input configured to receive the variable reluctance sensor signal and including an output configured to provide a leading edge signal in response to the variable reluctance sensor signal reaching a first threshold value;a trailing edge comparator including a first input configured to receive the variable reluctance sensor signal and including an output configured to provide a trailing edge signal in response to the variable reluctance sensor signal decreasing to reach a second threshold value;a post-processing circuit configured to receive the leading edge signal and the trailing edge signal and generate a pulse in a detect signal having a width corresponding to a difference between the leading edge signal and the trailing edge signal;an ignition control unit configured to control timing of an ignition event based at least in part on the detect signal pulse; anda clearing signal generator configured to generate a clearing signal corresponding with the timing of the ignition event, the clearing signal generator coupled to the post-processing circuit and configured to clear the post-processing circuit in response to the clearing signal.2. The ignition system of wherein the clearing signal generator is configured to generate the clearing signal overlapping in time with the ignition event to ...

Method for determining the angular position of an engine

A method for determining the angular position of an engine by a crankshaft sensor and a camshaft sensor. The method includes production by the crankshaft sensor of a revolution event, determination of the angular position of the camshaft by identifying the start-of-tooth and end-of-tooth events following the revolution event, in rapid mode, over at most one revolution of the crankshaft, if a no tooth event occurs after the revolution event and if the determination of the angular position of the camshaft fails, the method continues with a step of determining the angular position of the camshaft by identification, in slow mode, over at least two crankshaft revolutions.

Ignition coil boost at low rpm

A system and method for enhancing spark generation in an ignition coil of an internal combustion engine at low rotational speeds of the flywheel. The method and system monitor the rotational speed of the flywheel and, when the rotational speed of the flywheel is below a threshold rotational speed, the system and method supplies voltage pulses to the primary winding. The timing of the voltage pulses supplied to the primary winding are triggered off of voltage transitions in pulses induced in the primary winding upon rotation of the flywheel. Once the internal combustion engine has started, the switching device transitions into a second condition to disconnect the electrical storage device from the primary winding. The spark generation system of the present disclosure allows for starting of an internal combustion engine upon slower initial rotational speeds.

PROCESS FOR MANUFACTURING HIGH DENSITY ARTICLES FROM STAINLESS STEEL POWDER

It has been found that high density articles having improved strength, corrosion resistance, better durability, and decent magnetic characteristics can be manufactured from a ferritic stainless steel powder using a novel method. This technique is especially beneficial in manufacturing parts, such as, reluctor rings, tone wheels, trigger wheels, pump impeller blades, and EGR valves, in large quantities. This method involves (1) compacting the ferritic stainless steel powder in a mold into a green article, (2) sintering the green article at an elevated temperature under vacuum or a reducing atmosphere to produce a sintered article, and (3) forging the sintered article under a reducing or an inert gas atmosphere to a density of greater than 7.5 g/cc in the presence of a graphite free lubricant to produce the high density article. 1. A method for making a high density article from ferritic stainless steel powder wherein said article has good corrosion resistance , higher strength , and decent magnetic properties , said method comprising (1) compacting the ferritic stainless steel powder in a mold into a green article , (2) sintering the green article at an elevated temperature under vacuum or a reducing atmosphere to produce a sintered article , and (3) forging the sintered article under a reducing or an inert gas atmosphere to a density of greater than 7.5 g/cc in the presence of a graphite free lubricant to produce the high density article.2. The method of wherein the lubricant is a glass based forging lubricant.3. The method of wherein the lubricant is boron nitride.4. The method of wherein the reducing gas is hydrogen.5. The method of wherein the inert gas is a Nobel gas selected from the group consisting of helium claim 1 , neon claim 1 , and argon.6. The method of wherein the boron nitride is in hexagonal form and a density of about 2.1 g/cm.7. The method of wherein the sintering step is carried out under vacuum.8. A reluctor ring having improved strength claim 1 ...

Electronic ignition system for a generator engine

A standby generator includes an alternator to produce electricity for distribution to an electrical system, and an air-cooled internal combustion engine driving the alternator. The air-cooled internal combustion engine includes one or more cylinders, one or more spark plugs each configured to initiate combustion in a corresponding cylinder, and one or more ignition coils each coupled to a respective spark plug of the one or more spark plugs to provide a voltage to the respective spark plug. The standby generator also includes a battery system electrically coupled to the one or more ignition coils to provide power thereto, and a digital ignition module wiring the battery system to each of the one or more ignition coils to control operation of the one or more spark plugs.

IGNITION COIL UNIT AND IGNITION SYSTEM USED IN INTERNAL COMBUSTION ENGINE

An ignition coil unit is attached to an engine body. The engine body includes a cylinder head having a plug hole and a head cover that covers the cylinder head by including an opening hole facing the plug hole. The ignition coil unit includes a coil unit that generates a high voltage and a cylindrical coupling unit that connects the coil unit with a spark plug. The coupling unit includes a flexible sealing section fitting to an outer peripheral surface of the high tension tower and a harder joint fitting to a tip of the sealing section. The sealing section includes an adhesion portion to tightly contact the head cover and a neck portion at least between the adhesion portion and the joint in a Z-axis direction. The neck portion is formed by partially constricting an outer peripheral surface of the sealing section radially inside. 1. An ignition coil unit used in an internal combustion engine as an attachment to an engine body that includes a cylinder head having a plug hole and a head cover that covers the cylinder head by including an opening hole facing the plug hole , the ignition coil unit comprising: a main housing to accommodate components used in the coil unit, and', 'an auxiliary housing to accommodate a cylindrical high tension tower protruding from the main housing to a tip side in an axial direction; and, 'a coil unit to generate a high voltage, the coil unit including;'}a cylindrical coupling unit to couple the coil unit to a spark plug, a flexible sealing section extending in an axial direction of the cylindrical coupling unit while fitting to an outer peripheral surface of the high tension tower,', a first fitting section at a tip of the flexible sealing section, and', 'an adhesion portion to tightly contact the head cover, and, 'the flexible sealing section including, 'a joint aligning with the flexible sealing section in the axial direction,', 'the joint having a second fitting section fitting to the first fitting section of the flexible sealing ...

Encoder arrangement for cylinder recognition in an internal combustion engine

System to sense a marker on a rotating body

To accurately determine the position of a marker on a rotating disk, for example coupled to the crankshaft of an automotive engine to determine the angular position thereof, an inductive transducer picks up the field generated by a permanent magnet located on the disk and, to compensate for amplitude variations in the output due to speed changes of the disk, and eliminate the effects of spurious side lobes generated by reversely positioned magnets, the amplitude of the output signal is normalized in an amplifier which includes a non-linear input circuit. The non-linear input circuit, preferably, is a diode-resistor network, in which the diode is forwardly poled, and a controlled current is supplied to the diode, the control being effected by the output of the amplifier in a feedback circuit, so that the output obtained from the amplifier will be uniform regardless of change in speed of the rotating body, and hence change in amplitude of the voltage induced in the inductive pick-up.

Dwell control for an I.C. engine spark ignition system

An internal combustion engine ignition control includes a variable reluctance pick-up with a winding providing signals to an integrator the output of which controls an ignition switching circuit. The ignition switching circuit includes a current limiter circuit which operates to limit the coil current at a maximum level until the instant of ignition. A capacitor is charged and discharged under the control of the current limiter circuit so that the voltage on it depends on the ratio of the time for which the current limiter circuit is in operation to the ignition cycle duration. An active clamping circuit operates to override the integrator under the control of this capacitor so as to apply a variable preconditioning bias to the output of the integrator which has the effect of varying the instant at which the coil current is switched on. Closed loop dwell control is thus provided in a simple and convenient manner.

Arrangement for determining angle of rotation of two rotating parts

The arrangement for determining rotation angle of two rotating parts in an internal combustion engine includes a first rotating part having a protruding member extending laterally from the first rotating part, the first rotating part being connected with a crankshaft of the internal combustion engine; a second rotating part having a protruding element extending laterally, therefrom the second rotating part being connected to a camshaft of the internal combustion engine and the second rotating part being positioned adjacent to the first rotating part; a pickup device for generating a first output signal when the protruding member passes by the pickup device during rotation of the rotating parts and for generating a second output signal when the protruding element passes by the pickup device during rotation of the rotating parts; and a signal processing device for receiving the first and second output signals from the pickup device, for determining a time interval between one of the first and one of the second output signals and for calculating an angular displacement between the first and second rotating part from the time interval. The arrangement includes only one pickup device for generating both first and second output signals and the protruding member and protruding element are shaped and positioned so that each of the first output signals and the second output signals is generated by the single pickup device and the first and second output signals are different and distinguishable from each other.

Electromechanical pulse transmitter

Rotational signal detecting device

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Device for detecting speed of a rotatable element, method and vehicle

4 행정 기관에서 크랭크샤프트 회전 속도와 위치를 검출 및 모니터링 하는 장치로, 회전 요소 또는 요소들(1, 1') 상의 기준 마크들(9, 9')의 통행을 감지하도록 제1 센서(3)와 제2 센서(4)가 배치되어 있다. 제1 센서(3)는 엔진의 크랭크샤프트 플라이휠(1) 상의 기준 마크들(9)의 통행을 감지하도록 배치되어 있는 고정밀 센서이고, 제2 센서(4)는 엔진의 캠 샤프트와 관련된 휠(1') 상의 기준 마크들 또는 크랭크샤프트 플라이휠(1) 상의 기준 마크들(9, 9')의 통행을 감지하도록 배치되어 있는 저속 센서이다. 본 발명은 방법 및 차량에도 관한 것이다.

Device for recognition of valve timing phases

Изобретение относится к устройству для распознавания фаз газораспределения в двигателе внутреннего сгорания. Технический результат заключается в возможности создания устройства для распознавания фаз газораспределения, которое позволяло бы осуществлять синхронизацию без использования датчика положения распределительного вала и без использования дополнительных деталей и элементов. Устройство для распознавания фаз газораспределения предназначено для двигателя внутреннего сгорания, имеющего коленчатый вал, угловое положение которого непрерывно определяется путем обработки поступающих от датчика положения коленчатого вала сигналов в блоке управления, который в зависимости от углового положения вала выдает командные импульсы на впрыскивание топлива и на зажигание. Для распознавания фазы газораспределения после пуска двигателя блок управления воздействует на впрыскивание и анализирует устанавливающиеся в результате этого воздействия изменения частоты вращения вала двигателя. При этом для заданных цилиндров отключается впрыскивание, в результате чего в них не происходит впрыскивания топлива, и выходной сигнал датчика положения коленчатого вала контролируется на появление ожидаемой в ответ на такое отключение впрыскивания реакции. Впрыскивание топлива отключается после установления факта пуска двигателя в том диапазоне, в котором частота вращения снижается, причем этот диапазон соответствует нисходящей ветви характеристики пускового выброса при перерегулировании. 5 з.п. ф-лы, 9 ил. Огс0$Ссс ПЧ сэ РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) ВИ” 2 230 210. (51) МПК? 13) С2 Е 020 41/06, 41/34, 17/02 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 2000117465/06, 23.07.1999 (24) Дата начала действия патента: 23.07.199911.1-6Б (30) Приоритет: 30.09.1998 ОЕ 19844910.0 (43) Дата публикации заявки: 27.07.2002 (46) Дата публикации: 10.06.2004 (56) Ссылки: ОЕ 4418577 АЛ, 30.11.1995. $ 5425340 А, 20.07.1995. ЕР 0684377 АЛ, 29.11.1995. ЕР 0640762 А1 ...

Contactless ignition device

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Signal rotor of igniting pulser

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Electronic ignition system for internal combustion engine

An electronic ignition system for an internal combustion engine allowing precise control of the instant of ignition of the air-fuel mixture, in which the mechanical components, particularly the high voltage distributor, are eliminated. This system comprises a transducer delivering two cyclic sequences of signals synchronous with the position of the stroke of the pistons, means for controlling the instant of emission of the sparks in all the operational states of the engine, distributing means supplying release signals to spark generators connected to the spark plugs. Application to internal combustion engines, particularly to multicylinder engines.

Magnet generator for ignition systems of internal combustion engines

Device for controlling the ignition point in internal combustion engines

System for restarting internal combustion engine

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 pulses outputted from the angle sensor. A determiner determines, based on the speed-change information, whether at least one of the pulses outputted from the angle sensor represents a proper timing for a preset of a pinion of a starter with a ring gear mounted on the output shaft. A pinion engaging unit shifts the pinion toward the ring gear so that the pinion is engaged with the ring gear when it is determined that the at least one of the pulses outputted from the angle sensor represents the proper timing for the preset of the pinion with the ring gear.

System 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 pulses outputted from the angle sensor. A determiner determines, based on the speed-change information, whether at least one of the pulses outputted from the angle sensor represents a proper timing for a preset of a pinion of a starter with a ring gear mounted on the output shaft. A pinion engaging unit shifts the pinion toward the ring gear so that the pinion is engaged with the ring gear when it is determined that the at least one of the pulses outputted from the angle sensor represents the proper timing for the preset of the pinion with the ring gear.

System 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 pulses outputted from the angle sensor. A determiner determines, based on the speed-change information, whether at least one of the pulses outputted from the angle sensor represents a proper timing for a preset of a pinion of a starter with a ring gear mounted on the output shaft. A pinion engaging unit shifts the pinion toward the ring gear so that the pinion is engaged with the ring gear when it is determined that the at least one of the pulses outputted from the angle sensor represents the proper timing for the preset of the pinion with the ring gear.

System for restarting internal combustion engine when engine restart condition is met

Ignition system of internal-combustion engine

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Detecting device for ignition signal processing

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Ignition device without contact point

Crank angle sensor

내용 없음. No content.

Transmitter arrangement for cylinder identification in an internal combustion engine

The invention relates to a transmitter arrangement for cylinder identification in an internal combustion engine, having a transmitter disc and at least one reference mark assigned to a fixed crankshaft angle, a pick-up assigned to the transmitter disc and a control device which evaluates the signal from the pick-up. In order to make interchanging the control device more difficult, it is proposed to select the angular position of the crankshaft assigned to the reference mark in a different manner and thus to produce an encoding of the control device by a control device corresponding to this reference mark being necessary for the operation of an internal combustion engine having a specific reference mark. If this control device is substituted by a control device which, although of identical construction, is set to another reference mark, the operation of the internal combustion engine is quite impossible or is possible only with considerable limitations.

Sensor

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Rotational angle detector

내용 없음. No content.

Rotating position detector for internal-combustion engine

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Internal combustion engine control device

Electric rotating machine for internal combustion engines

Ignition system distributor rotor of automobile internal combustion engine

1. A rotor (2) for an ignition distributor for an internal combustion engine for automotive vehicles, especially of the magnetic release type, which rotor (2), being driven by the driving spindle (3) of the distributor, comprises a sleeve (10) which is arranged to rotate on the driving spindle (3) and on which there are fixed a disc (4) having polar teeth and cooperating with the corresponding disc (5) of a stator which is prevented from rotating with respect to the housing of the distributor, the rotor further comprising a timing plate (7), the latter being connected to the support plate (6), fixed with respect to the driving spindle (3) of the distributor which drives it in rotation through a centrifugal timing regulator (8), characterized in that the zones or surfaces (16a, 16f, 16g) of the sleeve (10) of the rotor (2), the zones or surfaces (16d) of the attachment pins for the springs (4), and the zones or surfaces (16e) of the cam profile of the timing plate (7), are coated with a plastics material in a single moulding operation which is carried out in such a way that it fixes and positions the polar-toothed disc (4) on the sleeve (10) with respect to the timing plate (7).

Ignition control system

Patent JPS6362996B2

Ignition system for internal combustion engine

The device comprises a toothed wheel (6) mounted on the ignition distributor shaft (4) of the engine and having between 40 and 60 teeth, a signal head (7) associated with the toothed wheel and provided with a pot magnet, the inner core of which has a diameter of less than 2.0 mm, a pulse generator (11) connected to the output of the signal head, and a pulse quadrupler (12) connected to the output of pulse generator for multiplying the number of pulses produced by the pulse generator by a factor of 4. <IMAGE>

Crank shaft position gauge system

This invention relates to a crankshaft positions transducer system for providing triggering pulses for an electronic ignition system. In a known system used with an internal combustion engine a single reference projection is mounted on the flywheel and a pair of transducers are mounted at circumferentially spaced locations on the flywheel housing. This is inconvenient as space inside the flywheel housing is limited. In the present invention a pair of reference elements (34) are mounted at circumferentially and radially spaced locations on the flywheel (16) and a transducer head having two individual transducers (22, 24) is provided, each individual transducer (22, 24) co-operating with a respective one of the reference elements (34) to produce a triggering pulse.

Pulse generator integrated with rotor angle sensor

提供一种与转子角度传感器一体型的脉冲发生器，可以减小磁噪音产生的不良影响，从而可以减少误动作的出现。这种与转子角度传感器一体型的脉冲发生器(10)具有：转动角度检测用多极环型磁铁(15)、脉冲发生用磁铁(16)、转动角度检测用磁电变换元件(17)和脉冲发生用磁电变换元件(18)。脉冲发生用磁铁(16)配置成其一个磁极位于转子(14)的转动轴一侧，其另一个磁极位于与转子转动轴相反的一侧，且与安装在转子(14)的外周上的转动角度检测用多极环型磁铁(15)沿转动轴方向相距预定距离而固定，并且在脉冲发生用磁电变换元件(18)的与脉冲发生用磁铁(16)相反的一侧，配置有磁偏置用磁铁(13)。

Patent FR2447553B3

Be used for the system that restarts internal-combustion engine when motor restarts condition satisfying

在一种系统中，每当内燃机的输出轴旋转过一个预定角度时，角度传感器输出一个脉冲，计算器基于角度传感器输出的脉冲计算表征所述输出轴的旋转速度变化的速度变化信息。判定器基于所述速度变化信息判定角度传感器输出的至少一个脉冲是否表示了用于预设起动器的小齿轮到固定在输出轴上的环形齿轮的合适时刻。当判定角度传感器输出的至少一个脉冲表示了预设起动器的小齿轮到环形齿轮的合适时刻时，小齿轮啮合单元朝着环形齿轮移动所述小齿轮使得小齿轮与环形齿轮啮合。

Revolution positional detector

MAGNETIC TRANSMITTER AND METHOD FOR CONTROLLING THE SAME

a. Emetteur magnétique pour la production de signaux électriques lors de l'aimantation ou de l'inversion d'aimantation, exécutées à l'aide d'au moins un circuit magnétique, d'un fil ferromagnétique auquel correspond au moins une bobine utilisatrice. b. Caractérisé en ce que le fil métallique 3 est magnétisé sur sa longueur en au moins deux zones 9, 10, 34, 35, 36, 37 d'intensité de champ opposée. c. Emetteur applicable à des émissions diverses de grande amplitude. at. Magnetic transmitter for the production of electrical signals during magnetization or magnetization reversal, carried out using at least one magnetic circuit, of a ferromagnetic wire to which corresponds at least one user coil. b. Characterized in that the metal wire 3 is magnetized along its length in at least two zones 9, 10, 34, 35, 36, 37 of opposite field strength. vs. Transmitter applicable to various large amplitude emissions.

Patent FR2172425A1

Patent FR2316796B1

Patent FR2171626A5

PROXIMITY SENSOR INCLUDING AN OSCILLATOR

Patent FR2529262B3

Patent FR2461857B1

IC engine HV ignition system - has control pulses which are generated by permanent magnets corresponding to number of cylinders and reed switch

The ignition regulator impulses are produced by means of a rotor (1) provided with a number of equally spaced magnets (2). The rotor is turned by the distributor shaft proportional to engine speed. A reed switch (3) is fixed to what is normally the contact breaker switch base and the rotor is synchronised so that a magnet causes the reed switch to open and close each time a magnet passes. A magnet may be provided for each cylinder or the number of magnets may be halved and the number of reed switches correspondingly doubled. Alternatively the rotor may be provided with equally spaced cutouts at its periphery to cover and uncover a single fixed magnet and reed switch as it rotates. The cutouts correspond to the number of cylinders.

Igniter

DETECTION METHOD AND DEVICE FOR ELECTRONIC INJECTION DRIVING OF A MULTI-CYLINDER ENGINE

Le dispositif de détection peut équiper un système d'injection électronique pour moteur automobile en vue de mesurer la vitesse de rotation du moteur, de repérer la position angulaire du point mort haut de chaque cylindre du moteur et d'identifier à tout moment l'un des cylindres pour lequel l'injection de carburant doit avoir lieu. Le dispositif comprend une couronne multipolaire 1 munie d'une pluralité de pôles magnétiques Nord et Sud 2, 3, 4 répartis de façon alternée sur le pourtour de la couronne; une paire de capteurs sensibles au champ magnétique montés face à la couronne et espacés angulairement l'un de l'autre; et une interface électronique de traitement reliée aux capteurs pour délivrer des signaux à un calculateur de pilotage de l'injection électronique du moteur. The detection device can equip an electronic injection system for an automobile engine with a view to measuring the rotational speed of the engine, identifying the angular position of the top dead center of each cylinder of the engine and identifying at any time one cylinders for which fuel injection is to take place. The device comprises a multipolar ring 1 provided with a plurality of North and South magnetic poles 2, 3, 4 distributed alternately around the periphery of the ring; a pair of magnetic field sensitive sensors mounted facing the crown and angularly spaced apart from each other; and an electronic processing interface connected to the sensors for delivering signals to a computer for controlling the electronic injection of the engine.

IGNITION DEVICE FOR INTERNAL COMBUSTION ENGINE

L'INVENTION CONCERNE UN DISPOSITIF D'ALLUMAGE. SELON L'INVENTION, IL COMPORTE UN CARTER 1, UNE UNITE 12 PRODUISANT DES SIGNAUX D'ALLUMAGE, ET UNE UNITE 17 D'ALLUMAGE POUR AMPLIFIER LES SIGNAUX D'ALLUMAGE, L'UNITE D'ALLUMAGE 17 ETANT FIXEE SUR L'UNITE GENERATRICE DE SIGNAUX 12 ET RECUE DANS LE CARTER 1 AVEC L'UNITE GENERATRICE DE SIGNAUX. L'INVENTION S'APPLIQUE NOTAMMENT AUX MOTEURS A COMBUSTION INTERNE. THE INVENTION RELATES TO AN IGNITION DEVICE. ACCORDING TO THE INVENTION, IT INCLUDES A HOUSING 1, A UNIT 12 PRODUCING IGNITION SIGNALS, AND AN IGNITION UNIT 17 FOR AMPLIFYING THE IGNITION SIGNALS, THE IGNITION UNIT 17 BEING FIXED ON THE GENERATOR UNIT OF SIGNALS 12 AND RECEIVED IN HOUSING 1 WITH THE SIGNAL GENERATOR UNIT. THE INVENTION APPLIES IN PARTICULAR TO INTERNAL COMBUSTION ENGINES.

Patent FR2445511B1

OPERATING MOUNT OF ELECTRIC SIGNALS PROVIDED BY A VARIABLE RELUCTANCE SENSOR

Patent FR2437506B1

IGNITION SYSTEM FOR INTERNAL COMBUSTION ENGINES

DEVICE FOR DETECTING THE ROTATION POSITION OF AN INTERNAL COMBUSTION ENGINE

Un dispositif de détection de la position de rotation d'un moteur à combustion interne est décrit, dans lequel un élément de manchon 13 pénétrant un arbre à cames 2 et pouvant tourner avec lui est monté sur un élément 9 d'assemblage d'un capteur 6 de la position de rotation, cet élément étant fixé à la carcasse du moteur, et un élément 7; 8 avec une fente pour coopérer avec le capteur de la position de rotation est monté sur le manchon. On peut confirmer les performances du dispositif sans procéder à son démontage réel. A device for detecting the position of rotation of an internal combustion engine is described, in which a sleeve element 13 penetrating a camshaft 2 and which can rotate with it is mounted on an element 9 for assembling a sensor. 6 from the rotational position, this element being fixed to the motor casing, and an element 7; 8 with a slot for cooperating with the rotation position sensor is mounted on the sleeve. The performance of the device can be confirmed without actually disassembling it.

IGNITION DISTRIBUTOR FOR INTERNAL COMBUSTION ENGINE

L'invention concerne un distributeur pour un dispositif d'allumage sans contact. Le distributeur comprend un axe tournant en synchronisme avec le moteur, un rotor fixé sur l'axe et comportant des griffes dont le nombre correspond à celui des cylindres du moteur, un stator comportant deux griffes placées en regard de celles du rotor et un aimant permanent servant à établir un circuit magnétique fermé avec le rotor, le stator et l'axe, une bobine de captage du circuit de commande d'allumage étant placée de manière à croiser ce circuit magnétique. Application aux moteurs à combustion interne. The invention relates to a distributor for a contactless ignition device. The distributor comprises an axis rotating in synchronism with the motor, a rotor fixed on the axis and comprising claws the number of which corresponds to that of the cylinders of the engine, a stator comprising two claws placed opposite those of the rotor and a permanent magnet serving to establish a closed magnetic circuit with the rotor, the stator and the axis, an ignition control circuit pickup coil being placed so as to cross this magnetic circuit. Application to internal combustion engines.

DEVICE FOR PERIODIC EMISSION OF AT LEAST TWO SUCCESSIVE IGNITION PULSES FOR INTERNAL COMBUSTION ENGINES

a. Dispositif pour l'émission périodique d'au moins deux impulsions successives d'allumage pour moteur à combustion interne. b. Dispositif caractérisé en ce que la hauteur d'impulsion est déterminée par une résistance magnétique minima qui apparaît à l'instant respectif de l'impulsion. c. L'invention s'applique notamment à l'allumage des moteurs d'automobiles. at. Device for the periodic emission of at least two successive ignition pulses for an internal combustion engine. b. Device characterized in that the height of the pulse is determined by a minimum magnetic resistance which appears at the respective instant of the pulse. vs. The invention applies in particular to the ignition of automobile engines.

DEVICE FOR DETECTING THE ANGULAR POSITION OF THE CRANKSHAFT OF AN INTERNAL COMBUSTION ENGINE

LA PRESENTE INVENTION CONCERNE UN DISPOSITIF DE DETECTION DE LA POSITION ANGULAIRE DU VILEBREQUIN D'UN MOTEUR A COMBUSTION INTERNE. LE DISPOSITIF DE L'INVENTION COMPREND UN ORGANE MOBILE PORTANT DES REPERES DEFILANT DEVANT UN CAPTEUR 8 ET CONSTITUE PAR UNE COURROIE 1 ENTRAINANT L'ARBRE A CAMES 5 D'UN MOTEUR, CETTE COURROIE PASSANT AUTOUR D'UN PIGNON D'ENTRAINEMENT 2 PORTE PAR UN VILEBREQUIN 3 ET LA LONGUEUR DE LA COURROIE 1 ETANT UN MULTIPLE ENTIER DU DOUBLE DU PERIMETRE DU PIGNON D'ENTRAINEMENT 2. L'INVENTION S'APPLIQUE PAR EXEMPLE A LA COMMANDE D'UN ENSEMBLE D'INJECTION OU D'UN ENSEMBLE D'ALLUMAGE POUR VEHICULE AUTOMOBILE. THE PRESENT INVENTION CONCERNS A DEVICE FOR DETECTION OF THE ANGULAR POSITION OF THE CRANKSHAFT OF AN INTERNAL COMBUSTION ENGINE. THE DEVICE OF THE INVENTION INCLUDES A MOBILE ORGAN BEARING MARKS RUNNING BEFORE A SENSOR 8 AND CONSTITUTED BY A BELT 1 DRIVING THE CAMSHAFT 5 OF A MOTOR, THIS BELT PASSING AROUND A DRIVE PINION 2 CARRIED BY A CRANKSHAFT 3 AND THE LENGTH OF BELT 1 BEING AN ENTIRE MULTIPLE OF THE DOUBLE PERIMETER OF THE DRIVE PINION 2. THE INVENTION APPLIES FOR EXAMPLE TO THE ORDERING OF AN INJECTION ASSEMBLY OR OF AN ASSEMBLY OF THE DRIVE GEAR. AUTOMOTIVE VEHICLE IGNITION.

Patent FR2318404B1

Ignition device for internal combustion engine

METHOD OF SYNCHRONIZING AN INTERNAL COMBUSTION ENGINE

La présente invention a pour objet un procédé de synchronisation d'un moteur comprenant au moins un piston mobile d'un moteur à combustion interne de type quatre temps, ledit procédé comprenant une première étape (e1) consistant en l'initialisation d'un deuxième espace mémoire, une deuxième étape (e2) consistant en l'attente d'un front sur un quatrième signal (CAM_TOT), une quatrième étape (e4) consistant en un test de la valeur d'un compteur (CPT), une huitième étape (e8) consistant en une sélection des postions angulaires théoriques des créneaux du deuxième signal (CAM_IN) par rapport aux fronts d'un premier signal (CRK) et des créneaux d'un troisième signal (CAM_EX) par rapport aux fronts du premier signal (CRK) The present invention relates to a method for synchronizing an engine comprising at least one movable piston of a four-stroke type internal combustion engine, said method comprising a first step (e1) consisting in the initialization of a second memory space, a second step (e2) consisting of waiting for an edge on a fourth signal (CAM_TOT), a fourth step (e4) consisting of a test of the value of a counter (CPT), an eighth step (e8) consisting of a selection of the theoretical angular positions of the square waves of the second signal (CAM_IN) with respect to the edges of a first signal (CRK) and of the squares of a third signal (CAM_EX) with respect to the edges of the first signal ( CRK)

Patent FR2622925B1

Patent FR2442974A1

L'invention concerne un dispositif d'allumage pour un moteur à combustion interne. Selon l'invention, il comprend un carter 1 de dissipation de chaleur où est tourillonné un arbre rotatif 2, un rotor 5 monté sur l'arbre et pourvu de saillies 5a, un stator 10 pourvu de protubérances 10a pouvant faire face aux saillies, le nombre des protubérances etant plus petit que celui des saillies d'au moins une, une unité 12 de production de signaux d'allumage par rotation du rotor, et une unité d'allumage 17 disposée fixement dans le carter en une position où manque au moins une protubérance du stator, l'unité d'allumage présentant la fonction d'allumage en réponse aux signaux d'allumage. L'invention s'applique notamment aux moteurs à combustion interne. The invention relates to an ignition device for an internal combustion engine. According to the invention, it comprises a heat dissipation casing 1 where a rotating shaft 2 is journalled, a rotor 5 mounted on the shaft and provided with projections 5a, a stator 10 provided with protuberances 10a able to face the projections, the number of the protrusions being smaller than that of the protrusions of at least one, a unit 12 for generating signals for ignition by rotation of the rotor, and an ignition unit 17 fixedly disposed in the housing in a position where at least is missing a stator protrusion, the ignition unit having the ignition function in response to the ignition signals. The invention applies in particular to internal combustion engines.

New high voltage ignition device

DEVICE FOR DETERMINING THE POSITION AND NUMBER OF TURNS OF A ROTATING SHAFT

a. L'invention concerne un dispositif pour déterminer la position et le nombre de tours d'un arbre en rotation, comportant un disque denté et un capteur muni d'une bobine, les dents du disque modifiant la perméabilité magnétique d'un circuit à tension constante. b. Ce dispositif est caractérisé en ce que le disque denté présente au moins un élément de référence provoquant une modification supplémentaire de perméabilité magnétique lorsqu'il passe devant le capteur. c. L'invention est applicable, notamment, aux vilebrequins de moteurs à combustion interne. at. The invention relates to a device for determining the position and the number of revolutions of a rotating shaft, comprising a toothed disc and a sensor provided with a coil, the teeth of the disc modifying the magnetic permeability of a circuit at constant voltage . b. This device is characterized in that the toothed disc has at least one reference element causing an additional change in magnetic permeability when it passes in front of the sensor. vs. The invention is applicable, in particular, to the crankshafts of internal combustion engines.

IMPROVEMENT IN THE MOUNTING OF MAGNETIC PULSE COILS ON IGNITION DISTRIBUTORS OF INTERNAL COMBUSTION ENGINES

L'invention concerne le montage d'un impulseur magnétique sur un distributeur d'allumage de moteur. Elle se caractérise en ce que la bobine 3 est montée sur un noyau 5 qui est riveté sur le support 4 ferro-magnétique de la bobine. Application : allumage de moteurs à combustion interne. The invention relates to the mounting of a magnetic impeller on an engine ignition distributor. It is characterized in that the coil 3 is mounted on a core 5 which is riveted to the ferro-magnetic support 4 of the coil. Application: ignition of internal combustion engines.

ASSEMBLY OF OPERATING ELECTRIC SIGNALS

A.MONTAGE D'EXPLOITATION DE SIGNAUX FOURNIS PAR UN CAPTEUR INDUCTIF A CHAMP DE DISPERSION. B.SELON CE MONTAGE, DES SIGNAUX DE SORTIE EN OPPOSITION DE PHASE DE CE CAPTEUR 1 SONT ENVOYES AUX DEUX ENTREES D'UN COMPARATEUR 4 AUXQUELLES SONT RACCORDES DES TRANSISTORS 10, 11 AGISSANT COMME RESISTANCES COMMANDEES ET QUI SONT COMMANDES A L'ETAT PLUS OU MOINS CONDUCTEUR EN FONCTION DE LA TENSION DE CHARGE D'UN CONDENSATEUR 14 QUI EST CHARGE EN FONCTION DU SIGNAL DE SORTIE DU COMPARATEUR 4. C.L'INVENTION S'APPLIQUE A L'EXPLOITATION DE SIGNAUX DEPENDANT D'UNE VITESSE DE ROTATION, PAR EXEMPLE DE CELLE DU VILEBREQUIN D'UN MOTEUR A COMBUSTION INTERNE. A. OPERATING ASSEMBLY OF SIGNALS PROVIDED BY AN INDUCTIVE SENSOR WITH DISPERSION FIELD. B. ACCORDING TO THIS ASSEMBLY, OUTPUT SIGNALS IN PHASE OPPOSITION OF THIS SENSOR 1 ARE SENT TO THE TWO INPUTS OF A COMPARATOR 4 TO WHICH ARE CONNECTED BY TRANSISTORS 10, 11 ACTING AS CONTROLLED RESISTORS AND WHICH ARE CONTROLLED AS PLUS OR LESS CONDUCTIVE AS A FUNCTION OF THE CHARGING VOLTAGE OF A CAPACITOR 14 WHICH IS CHARGED AS A FUNCTION OF THE OUTPUT SIGNAL OF THE COMPARATOR 4. C. THE INVENTION APPLIES TO THE USE OF SIGNALS DEPENDING ON A ROTATION SPEED, FOR EXAMPLE OF THAT OF THE CRANKSHAFT OF AN INTERNAL COMBUSTION ENGINE.

IGNITION DISTRIBUTOR FOR INTERNAL COMBUSTION ENGINE

IGNITION SYSTEM FOR INTERNAL COMBUSTION ENGINE

a. Installation d'allumage pour moteur à combustion interne. b. Installation caractérisée en ce que l'organe de commutation électronique constitue l'entrée d'un montage de commande, en outre, en ce qu'un rupteur électronique est prévu à la sortie du montage de commande et est branché en série avec l'enroulement primaire de la bobine d'allumage, et enfin, en ce que le signal de commande induit dans la bobine de commande par le fil de commande à l'instant d'allumage est utilisé pour commander le rupteur électronique dans l'état de blocage, le montage de commande étant utilisé pour maintenir temporairement cet état de blocage. c. L'invention s'applique aux installations d'allumage pour moteurs à combustion interne.

Proximity detector for electronic ignition system - uses insulating ferrule to position magnetic circuit and printed circuit in housing

The proximity detector is for control of an IC engines ignition. It is of the type which has an integrated circuit and discrete elements arranged on a printed circuit board. At the end of the board is magnetic circuit (2, 3) in the form of a half cylinder in which is lodged a winding. The whole is fitted into a cylindrical housing made from an magnetic material. The detector has an insulating element (6) which ensures the centring of the magnetic circuit (2, 3) in the housing and positioning of the printed circuit board (1). The element (6) is in the form of a partially cylindrical ferrule of the same dia. as the exterior dia. of the magnetic circuit and the interior of the housing. The element (6) has at one end a cylindrical spigot (6a) designed to penetrate into the open centre of the magnetic circuit to centre it in the housing. At the other end of the element is a transversal slot (6a) designed to receive an end of the printed circuit board (1) which is off centre w.r.t. the magnetic circuits axis. In opposite sides of the element (6) are two slots (6c) through which the wires (3a) of the winding pass.

Patent FR2317519B3

Apparatus and method for the identification of angular pulses

ABSTRACT OF THE DISCLOSURE A timing arrangement incorporates a timing disk having absolute marks arranged about a circle and serving for the identification of the angular position of the shaft of an internal combustion engine. The marks include a code track having code marks and absolute marks, each absolute marks being preceded by a code element comprising a number of code marks. Each absolute mark is identified by a code section preceding and consisting of two or more code elements.

PULSE TRANSMITTER

INDUCTIVE SENSOR FOR TRANSMITTING A SIGNAL FOR TRIGGERING AN IGNITION DEVICE FOR AN INTERNAL COMBUSTION ENGINE AND IGNITION DEVICE COMPRISING SUCH AN INDUCTIVE SENSOR

DETECTOR DEVICE

Patent FR2257796B1

Patent FR2370873B3

ASSEMBLY OF OPERATING ELECTRIC SIGNALS

Patent FR2155326A5

CONTROL SYSTEM FOR ELECTRONIC IGNITION

L'invention concerne un système de commande pour allumage électronique de moteur à combustion interne Il comprend une mémoire 12 mémorisant une information de retard de combustion, c'est-à-dire de retard entre l'allumage et la combustion, et un processeur 13. Le compteur 11 compte le nombre d'impulsions d'horloge qu'il reçoit entre points de départ de combustion adjacents. Alors, l'information de retard de combustion est lue dans la mémoire 12 et le processeur 13 produit une information de temps d'allumage en fonction de l'information de comptage et de 1'information de retard. L'invention vient répondre aux exigences plus sévères de la réglementation sur les échappements des moteurs à combustion.

Patent FR2429995B1

Car engine ignition unit - has transistorised power amplifier and magneto with pole shoes arranged to maintain constant flux in specified angle

Timing measurement for electronic ignition systems - has two sensors to provide constant output pulse shape independent of engine speed

To determine the angular position of the pinion driven directly or indirectly by the shaft of an engine, a pinion provides synchronisation information to an electronic ignition system. Measurement of position is by two sensors overcoming inaccuracy at high rotational speeds. The two sensors (1,3) are placed side by side facing the pinions (2) toothed (4) perimeter. The output from one sensor (3) is fed to a pulse shaper (5) which is also fed by the rectified and smoothed (6) output from the second sensor (1). The signal (U6) acts as a reference or negative threshold level determining the position of the first sensors output to be used by the shaper to provide a constant height and width square-wave output (U5) whatever the rotational speed of the pinion.

Patent FR2393949B1

DETECTOR DEVICE FOR DETERMINING OPERATING FACTORS, PARTICULARLY IN IGNITION INSTALLATIONS OF INTERNAL COMBUSTION ENGINES

Electronic ignition system for internal combustion engines

IMPROVED IGNITION DISTRIBUTOR WITH MAGNETIC SENSOR

ROTARY SENSOR WITH WIEGAND EFFECT FOR DETERMINING THE ROTATION SPEED AND THE ANGULAR POSITION OF A ROTOR

IL EST DECRIT UN CAPTEUR ROTATIF QUI, DESTINE NOTAMMENT A ETRE UTILISE EN TANT QU'ALLUMEUR POUR MOTEURS A EXPLOSION, PRESENTE SUR UN ROTOR ENTRAINE 2 UNE SUCCESSION DE FILS WIEGAND TRES RAPPROCHES ET EQUIDISTANTS 10 AINSI QUE DES REPERES DE REFERENCE POUR LA DETERMINATION DE LA POSITION INSTANTANEE DU ROTOR (ESPACES VACANTS 11 DANS LA SUCCESSION 9 DE FILS WIEGAND OU UNE SUCCESSION SEPAREE 29 DE FILS WIEGAND), QUI SONT EXPLORES PAR UNE TETE DE LECTURE MAGNETIQUE APPROPRIEE 4. A PARTIR DES IMPULSIONS WIEGAND DELIVREES PAR LA TETE DE LECTURE 4 PEUVENT ETRE ETABLIS DE MANIERE OPTIMALE SOIT, DANS LE CAS D'UN MOTEUR A EXPLOSION, LES INSTANTS D'ALLUMAGE, COMPTE TENU DE L'AVANCE OU DU RETARD A L'ALLUMAGE VARIABLE SELON LA VITESSE DE ROTATION, SOIT, DANS LE CAS D'UN MOTEUR DIESEL, LES INSTANTS D'INJECTION DE CARBURANT. A ROTARY SENSOR IS DESCRIBED, WHICH IS INTENDED IN PARTICULAR TO BE USED AS AN IGNITER FOR EXPLOSION ENGINES, PRESENT ON A ROTOR DRIVEN 2 A SUCCESSION OF VERY CLOSE AND EQUIDISTANT WIEGAND WIRES 10 AS WELL AS REFERENCE MARKS FOR THE DETERMINATION INSTANT ROTOR POSITION (VACANT SPACES 11 IN SUCCESSION 9 OF WIEGAND SON OR A SEPARATE ESTATE 29 OF WIEGAND SON), WHICH ARE EXPLORED BY APPROPRIATE MAGNETIC READING HEAD 4. FROM WIEGAND PULSES DELIVERED BY 4 PETE OF READ BE ESTABLISHED IN AN OPTIMAL MANNER EITHER, IN THE CASE OF AN EXPLOSION ENGINE, THE IGNITION INSTANTS, TAKING INTO ACCOUNT THE VARIABLE ADVANCE OR DELAY IN IGNITION DEPENDING ON THE ROTATION SPEED, OR IN THE CASE OF A DIESEL ENGINE, INSTANTS OF FUEL INJECTION.

Motor vehicle ignition distributor - uses rotating discs with magnetically polarised teeth creating flux variations in signal coil

An ignition distributor for a motor vehicle has centrifugal advance and vacuum correction and contains a magnetic circuit comprising a rotating disc with permanent magnet. The disc operates in conjunction with poles on a coil assembly to provide ignition signals. A shaft (3c) in a distributor is driven from the vehicle engine to rotate two discs with polarised teeth (22) spaced at 90 degs. on the periphery. A magnet between the discs provides a magnetic field which is coupled to a signal coil (17) via fixed pole pieces (19a) on flux conductors (16). As the shaft rotates the teeth create strong variations on fluex in the coil to generate strong signals for use by an electronic ignition circuit.