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FR2883930A1 - Device for preventing starting of an engine by bypassing the ignition switch comprises an electromagnetic relay with an antitheft winding that neutralizes the electromagnetic forces of primary and secondary windings - Google Patents

Device for preventing starting of an engine by bypassing the ignition switch comprises an electromagnetic relay with an antitheft winding that neutralizes the electromagnetic forces of primary and secondary windings Download PDF

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Publication number
FR2883930A1
FR2883930A1 FR0503146A FR0503146A FR2883930A1 FR 2883930 A1 FR2883930 A1 FR 2883930A1 FR 0503146 A FR0503146 A FR 0503146A FR 0503146 A FR0503146 A FR 0503146A FR 2883930 A1 FR2883930 A1 FR 2883930A1
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France
Prior art keywords
winding
ignition switch
electromagnetic
antitheft
engine
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Granted
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FR0503146A
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French (fr)
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FR2883930B1 (en
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Christian Cave
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
    • B60R25/045—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor by limiting or cutting the electrical supply to the propulsion unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

Device for preventing operation of the electric starter of an engine by bypassing the ignition switch comprises an electromagnetic relay with three windings, including an antitheft winding (S) that neutralizes the resultant of the electromagnetic forces of a primary winding (B1) and a secondary winding (B2) when the ignition switch is bypassed.

Description

La présente invention concerne l'implantation d'un troisième enroulementThe present invention relates to the implantation of a third winding

distinct dans la bobine du contacteur électromagnétique ou relais de commande d'un démarreur électrique afin de neutraliser la mise en route du démarreur en cas de tentative de démarrage du moteur thermique par le pontage du contacteur de démarrage à clef (voir  separate in the electromagnetic contactor coil or control relay of an electric starter in order to neutralize the starting of the starter if an attempt is made to start the engine by the bridging of the ignition switch (see

figure 1).figure 1).

Traditionnellement, (voir figure 2) quand le circuit de commande (Cc) du contacteur électromagnétique est alimenté en actionnant le contacteur de démarrage à clef (Cdl), le noyau (N) est attiré par le champ magnétique de la bobine (B). Celui-ci déplace tout d'abord, une tige (Tf) clavetée sur la fourchette d'entraînement du lanceur, lequel engrène le pignon sur la couronne dentée clavetée sur le vilebrequin. Puis il pousse la tige (Tp), qui entraîne la palette contact du contacteur de démarrage contre la borne du relais, alimenté en puissance directement par la batterie et celle alimentant le moteur électrique. A la fermeture des contacts, le moteur électrique du démarreur entraîne le pignon du lanceur engrené.  Traditionally, (see Figure 2) when the control circuit (Cc) of the electromagnetic contactor is energized by operating the key start contactor (Cdl), the core (N) is attracted by the magnetic field of the coil (B). The latter moves first, a rod (Tf) keyed on the starter drive fork, which meshes the pinion on the ring gear keyed on the crankshaft. Then it pushes the rod (Tp), which drives the contact blade of the start contactor against the relay terminal, powered directly by the battery and that powering the electric motor. When the contacts are closed, the electric motor of the starter drives the pinion gear of the launcher.

La bobine (B) comporte 2 enroulements: un enroulement d'appel (B 1) , alimenté par (Cdl) quand il est fermé, et dont l'autre extrémité est raccordée à l'inducteur et l'induit du moteur électrique, et un enroulement de maintien (B2), alimenté lui aussi par (Cdl) et dont l'autre extrémité, est reliée au corps du contacteur.  The coil (B) has 2 windings: a winding (B 1), supplied by (Cdl) when it is closed, and the other end of which is connected to the inductor and the armature of the electric motor, and a holding winding (B2), also fed by (Cdl) and whose other end is connected to the body of the contactor.

Jusqu'à présent, le contacteur électromagnétique (voir figure 1) pouvait être 20 alimenté en pontant par un fil (P) le contacteur de démarrage à clef, l'invention permet de remédier à cet inconvénient.  Until now, the electromagnetic contactor (see FIG. 1) could be supplied by bridging the starter contactor with a wire (P), the invention overcomes this drawback.

Elle consiste à implanter dans la bobine du contacteur électromagnétique (voir figures 3 et 4) un troisième enroulement appelé, enroulement antivol (S), enroulé en sens inverse des deux autres, alimenté comme les autres par le contacteur de démarrage à clef quand il est actionné.  It consists in implanting in the coil of the electromagnetic contactor (see FIGS. 3 and 4) a third winding called an anti-theft winding (S), wound in the opposite direction of the other two, powered like the others by the ignition switch when it is actuated.

L'autre extrémité étant raccordée à la masse au travers du contact (Cd2) lié mécaniquement au contact (Cdl) mais inversé (ouvert quand le contacteur de démarrage à clef est actionné et fermé au repos).  The other end is connected to ground through the contact (Cd2) mechanically linked to the contact (Cdl) but inverted (open when the ignition key switch is actuated and closed at rest).

Dans le cas d'un démarrage avec la clef, le contact (Cdl) est fermé et (Cd2) est 30 ouvert, l'enroulement (S) n'étant pas alimenté, les étapes de mise en route du démarreur se réalisent comme décrit des lignes 6 à 14.  In the case of a start with the key, the contact (Cdl) is closed and (Cd2) is open, the winding (S) is not supplied, the start-up steps of the starter are realized as described lines 6 to 14.

Dans le cas d'une tentative de démarrage par pontage, le contact (Cdl) est ouvert, et (Cd2) fermé, les enroulements (Bl), (B2) et (S) sont alimentés par le pontage, dans cette configuration, l'enroulement antivol (S) relié à la masse au travers du contact (Cd2) est sous tension.  In the case of an attempt to start by bridging, the contact (Cdl) is open, and (Cd2) closed, the windings (Bl), (B2) and (S) are supplied by the bridging, in this configuration, the the anti-theft winding (S) connected to ground through the contact (Cd2) is energized.

Le fil de l'enroulement (S) étant enroulé en sens inverse de celui des enroulement (B1) et (B2), la force électromagnétique de l'enroulement (S) inversée par rapport à celle résultante des deux enroulement (B1) et (B2) la neutralise, immobilise le noyau (N) et le démarreur ne peut lancer le moteur thermique.  The winding wire (S) being wound in the opposite direction to that of the windings (B1) and (B2), the electromagnetic force of the winding (S) inverted with respect to that resulting from the two windings (B1) and ( B2) neutralizes it, immobilizes the core (N) and the starter can not start the engine.

Claims (1)

3 REVENDICATIONS3 claims 1) Dispositif pour neutraliser la mise en route du démarreur électrique d'un moteur thermique par le pontage du contacteur de démarrage à clef, caractérisé par l'implantation dans la bobine du contacteur électromagnétique du démarreur électrique d'un troisième enroulement appelé enroulement antivol (S), dont la force électromagnétique neutralise la résultante des forces électromagnétiques d'un premier enroulement d'appel (B1) et du second enroulement de maintien (B2) lors d'un pontage du contacteur de démarrage à clef uniquement.  1) Device for neutralizing the starting of the electric starter of a heat engine by the bridging of the ignition key switch, characterized by the implantation in the coil of the electromagnetic contactor of the electric starter of a third winding called anti-theft winding ( S), whose electromagnetic force neutralises the resultant electromagnetic forces of a first call winding (B1) and the second holding winding (B2) when bridging the key start contactor only. 2) Dispositif selon la revendication 1 caractérisé par le fait que le sens de l'enroulement (S) est inversé par rapport à celui des enroulements (Bl) et (B2).  2) Device according to claim 1 characterized in that the direction of the winding (S) is inverted with respect to that of the windings (B1) and (B2). 3) Dispositif selon les revendications 1 et 2 caractérisé par le fait que l'enroulement antivol (S) est alimenté comme les enroulements (B1) et (B2) par le contact à fermeture (Cdl) actionnés par la clef du contacteur de démarrage.  3) Device according to claims 1 and 2 characterized in that the antitheft winding (S) is fed as the windings (B1) and (B2) by the closing contact (Cdl) actuated by the key of the ignition switch. 4) Dispositif selon les revendications 1, 2 et 3 caractérisé par le fait que l'autre extrémité de l'enroulement antivol (S) est raccordée à la masse au travers du contact à ouverture (Cd2) lié mécaniquement au contact à fermeture (Cdl) actionnés par la clef du contacteur de démarrage.  4) Device according to claims 1, 2 and 3 characterized in that the other end of the anti-theft winding (S) is connected to ground through the opening contact (Cd2) mechanically connected to the closing contact (Cdl ) actuated by the ignition switch key.
FR0503146A 2005-03-31 2005-03-31 ANTI-BRIDGING DEVICE FOR THE KEY START SWITCH OF A HEAT ENGINE Expired - Fee Related FR2883930B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0503146A FR2883930B1 (en) 2005-03-31 2005-03-31 ANTI-BRIDGING DEVICE FOR THE KEY START SWITCH OF A HEAT ENGINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0503146A FR2883930B1 (en) 2005-03-31 2005-03-31 ANTI-BRIDGING DEVICE FOR THE KEY START SWITCH OF A HEAT ENGINE

Publications (2)

Publication Number Publication Date
FR2883930A1 true FR2883930A1 (en) 2006-10-06
FR2883930B1 FR2883930B1 (en) 2007-07-06

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FR0503146A Expired - Fee Related FR2883930B1 (en) 2005-03-31 2005-03-31 ANTI-BRIDGING DEVICE FOR THE KEY START SWITCH OF A HEAT ENGINE

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FR (1) FR2883930B1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981003002A1 (en) * 1980-04-24 1981-10-29 Blais Auto Security Corp Coded engine starter system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981003002A1 (en) * 1980-04-24 1981-10-29 Blais Auto Security Corp Coded engine starter system

Also Published As

Publication number Publication date
FR2883930B1 (en) 2007-07-06

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