FR2552162A1 - SAFETY DEVICE FOR DIESEL ENGINE - Google Patents

SAFETY DEVICE FOR DIESEL ENGINE Download PDF

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Publication number
FR2552162A1
FR2552162A1 FR8315037A FR8315037A FR2552162A1 FR 2552162 A1 FR2552162 A1 FR 2552162A1 FR 8315037 A FR8315037 A FR 8315037A FR 8315037 A FR8315037 A FR 8315037A FR 2552162 A1 FR2552162 A1 FR 2552162A1
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FR
France
Prior art keywords
axis
safety device
diesel engine
supply
interruption
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR8315037A
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French (fr)
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FR2552162B1 (en
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to FR8315037A priority Critical patent/FR2552162B1/en
Priority to PT7923484A priority patent/PT79234B/en
Priority to EP84450022A priority patent/EP0140808A1/en
Priority to ES536108A priority patent/ES8505449A1/en
Publication of FR2552162A1 publication Critical patent/FR2552162A1/en
Application granted granted Critical
Publication of FR2552162B1 publication Critical patent/FR2552162B1/en
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0205—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine
    • F02M63/022—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine by acting on fuel control mechanism
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
    • F02D17/04—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling rendering engines inoperative or idling, e.g. caused by abnormal conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

DISPOSITIF DE SECURITE POUR MOTEUR DIESEL AGISSANT SUR LA POMPE A INJECTION AFIN D'INTERROMPRE L'ALIMENTATION LORS D'UN FONCTIONNEMENT ANORMAL DU MOTEUR OU ORGANES DEPENDANTS COMPORTANT UN AXE COULISSANT 1 DANS UN FOURREAU 2 DE SECTION APPROPRIEE SUR LEQUEL EST DISPOSE UN ELECTRO-AIMANT 3 DOTE D'UN NOYAU PLONGEUR 4 S'APPUYANT LORSQUE L'ELECTRO-AIMANT 3 EST ALIMENTE, SUR UNE BILLE 5 DE SORTE A MAINTENIR L'AXE 1 AU MOYEN D'UNE ENCOCHE APPROPRIEE AMENAGEE SUR LEDIT AXE 1 LORS DE L'ARMEMENT ETOU MISE EN MARCHE DU MOTEUR, L'EXTREMITE 9 DE L'AXE 1 ETANT RELIEE PAR UNE TRINGLE 13 OU CABLE A LA TIRETTE 15 D'INTERRUPTION D'ALIMENTATION DE LA POMPE A INJECTION 14, LE DEPLACEMENT DE L'AXE 1 ETANT OBTENU PAR UN RESSORT 11 LORSQUE L'ELECTRO-AIMANT N'EST PLUS ALIMENTE ET CE AU MOYEN DE SONDES DETECTRICES D'ANOMALIES, LIBERANT L'ELEMENT DE BLOCAGE 5 ET DE CE FAIT LE DEPLACEMENT DE L'AXE 1.SAFETY DEVICE FOR DIESEL ENGINES ACTING ON THE INJECTION PUMP IN ORDER TO INTERRUPT THE SUPPLY DURING AN ABNORMAL ENGINE OPERATION OR DEPENDENT PARTS WITH A SLIDING SHAFT 1 IN A HOLDER 2 WITH APPROPRIATE SECTION ON WHICH IS EQUIPPED WITH AN ELECTRICAL 3 HAS A PLUNGER CORE 4 BEEN RELIED WHEN THE ELECTRO-MAGNET 3 IS POWERED, ON A BALL 5 SO AS TO MAINTAIN AXIS 1 BY MEANS OF AN APPROPRIATE NOTCH FITTED ON THIS AXIS 1 WHEN ARMING OR STARTING THE MOTOR, THE END 9 OF AXIS 1 BEING CONNECTED BY A ROD 13 OR CABLE TO THE SUPPLY INTERRUPTION PIN 15 OF THE INJECTION PUMP 14, THE DISPLACEMENT OF AXIS 1 IS OBTAINED BY A SPRING 11 WHEN THE ELECTRO-MAGNET IS NO LONGER POWERED BY MEANS OF ANOMALY DETECTOR PROBES, RELEASING LOCKING ELEMENT 5 AND THEREFORE MOVING AXIS 1.

Description

25521 6225 521 62

La présente invention concerne un dispositif de sécurité pour moteur diesel permettant d'agir sur la pompe à injection afin d'interrompre l'alimentation lors d'un fonctionnement anormal du moteur ou  The present invention relates to a safety device for a diesel engine making it possible to act on the injection pump in order to interrupt the supply during an abnormal operation of the engine or

organes dépendants.dependent organs.

Le dispositif objet de l'invention est coroctérisé en ce qu'il comporte un axe coulissant relié en une extrémité à la tirette d'interruption d'alimentation de la pompe à injection, ledit axe coulisse et est maintenu dans un fourreau fixe approprié selon sa section, ledit fourreau est doté d'un évidement dons lequel est maintenu un élément mobile en appui sur le noyau d'un électro-aimont fixé sur ledit fourreau, l'axe coulissant est doté d'une encoche appropriée à l'élément mobile de sorte à permettre lorsque la bobine est alimentée son blocage à une position, tondis que lors de l'interruption de l'alimentation de la bobine ou cours d'un fonctionnement anormal du 15 moteur ou organes dépendants, détecté par sondes,l'élément de blocage libère l'axe coulissant qui par l'intermédiaire d'un ressort provoque le déplacement d'une tringle ou c 8 ble reliant ledit axe à la tirette d'interruption d'alimentation de la pompe à injection afin de provoquer  The device which is the subject of the invention is corocterized in that it comprises a sliding pin connected at one end to the supply interruption rod of the injection pump, said axis slides and is held in a suitable fixed sleeve according to its section, said sheath has a recess in which a movable element is held in abutment on the core of an electromagnet fixed on said sheath, the sliding axis is provided with a notch suitable for the movable element so as to allow, when the coil is supplied, its blocking in a position, mowed only when the coil supply is interrupted or during abnormal operation of the motor or dependent members, detected by probes, the element of blocking releases the sliding axis which by means of a spring causes the displacement of a rod or cable connecting said axis to the supply interruption rod of the injection pump in order to cause

l'arrêt du moteur.stopping the engine.

D'autres caractéristiques et avantages de l'invention ressortiront plus clairement de la description qui vo suivre faite en regard  Other characteristics and advantages of the invention will emerge more clearly from the description which follows, given opposite.

des dessins joints donnés à titre d'exemple non limitatif, o: la figure 1 est un mode de réalisation du dispositif de sécurité en marche, la figure 2, le dispositif de sécurité représenté figure 1, en interruption de fonctionnement, la figure 3, des variantes de réalisation du dispositif de sécurité, la figure 4, le schéma de principe du circuit électrique en 30 fonctionnement normal, la figure 5, le schéma de principe du circuit électrique en fonctionnement anormal -Tel que représenté figure 1, le dispositif de sécurité comporte un axe 1 maintenu coulissant dons un fourreau 2 de section 35 appropriée à la section dudit axe 1, ledit fourreau 2 est fixé à un support non représenté pouvant être le moteur, le chossis ou élément quelconque, sur celui-ci est disposé un électro-aimant 3 doté d'un noyou plongeur 4, s'oppuyant lorsque l'électro- oimont est alimenté en courant sur une bille 5 ou un pointeau 6 conse représenté figure 3 de  attached drawings given by way of nonlimiting example, o: FIG. 1 is an embodiment of the safety device in operation, FIG. 2, the safety device shown in FIG. 1, when the operation is interrupted, FIG. 3, alternative embodiments of the safety device, FIG. 4, the block diagram of the electrical circuit in normal operation, FIG. 5, the block diagram of the electrical circuit in abnormal operation - As shown in FIG. 1, the safety device comprises an axis 1 kept sliding don a sheath 2 of section 35 suitable for the section of said axis 1, said sheath 2 is fixed to a support (not shown) which can be the motor, the frame or any element, on this is disposed an electro -magnet 3 provided with a plunger core 4, opposing when the electro-oimont is supplied with current on a ball 5 or a needle 6 conse shown in Figure 3 of

2552 1 622552 1 62

sorte à maintenir l'axe 1 ou moyen drune encoche appropriée 7 ou 8 aménagée sur ce dernier lors de l'armement et/ou mise en marche du moteur.  so as to maintain the axis 1 or medium of a suitable notch 7 or 8 arranged on the latter during the arming and / or starting of the engine.

En l'extrémité 9 de l'axe 1 un évidement 10 permet de recevoir l'extrémité d'un ressort 11 relié en son outre extrémité 12 au fourreau 2, celui-ci ayant pour fonction de provoquer le déplacement de l'axe 1 lors d'un fonctionnement anormal du moteur ou organes dépendants, et ce par l'interruption de l'alimentation électrique de l'électro-aimant qui libère la bille 5 ou le pointeau 6 de l'encoche 7 ou 8 provoquant  At the end 9 of the axis 1 a recess 10 makes it possible to receive the end of a spring 11 connected in addition to its end 12 to the sheath 2, the latter having the function of causing the displacement of the axis 1 during abnormal operation of the motor or dependent organs, and this by the interruption of the electrical supply of the electromagnet which releases the ball 5 or the needle 6 of the notch 7 or 8 causing

ou moyen d'une tringle ou c 8 ble 13 le déplacement de la tirette 15 10 d'interruption d'alimentation de la pompe à injection 14.  or by means of a rod or cable 8 ble 13 the displacement of the pull tab 15 10 of interruption of supply of the injection pump 14.

En son extrémité 16, l'axe 1 peut être relié par une tringle 17 à la manette des gaz ou tirette de stop du tableau de bord non représenté, la tringle 17 pouvant permettre outre l'arrêt, l'armement  At its end 16, the axis 1 can be connected by a rod 17 to the throttle or stop puller of the dashboard not shown, the rod 17 being able to allow, in addition to stopping, the arming

du dispositif lors d'une remise en marche du moteur.  of the device when the engine is restarted.

Sans sortir du cadre de l'invention, les extrémités 16 u 9 peuvent être prolongées par un poussoir, celui-ci permettant le réarmement manuel du dispositif indépendant de la tirette de stop ou manette de gaz Compte tenu de ces variantes, il vo de soi que le dispositif peut être monté intégré au système de variations de vitesse 20 du moteur et l'accompagne lors d'un changement de régime ou être monté  Without departing from the scope of the invention, the ends 16 u 9 can be extended by a pusher, this allowing manual resetting of the device independent of the stop pull or gas lever Given these variants, it is obvious that the device can be mounted integrated into the speed variation system 20 of the engine and accompanies it during a change of speed or be mounted

de manière séparé.separately.

Tel que représenté figures 4 et 5, l'alimentation électrique de la bobine de l'électro-aimant 3 s'effectue par un circuit d'entrée 18 et de sortie 19, sur le circuit d'entrée 18 un voyant 20 est disposé, 25 celui-ci ayant pour fonction de signaler un défaut tout en servant de -rés Fstsace afin d'éviter un court-circuit aux bornes de l'olimentation lorsque la bobine de l'électro-aimant 3 est court-circuitée ou moyen d'un contact 21 placé sur une ligne secondaire 22 reliant les circuits 18 et 19, l'action du contact 21 est commandée de manière connue au 30 moyen de sondes non représentées disposées sur le moteur ou éléments  As shown in FIGS. 4 and 5, the electrical supply to the coil of the electromagnet 3 is effected by an input 18 and output 19 circuit, on the input circuit 18 a light 20 is arranged, 25 the latter having the function of signaling a fault while serving as -res Fstsace in order to avoid a short circuit at the terminals of the power supply when the coil of the electromagnet 3 is short-circuited or means of a contact 21 placed on a secondary line 22 connecting the circuits 18 and 19, the action of the contact 21 is controlled in a known manner by means of probes not shown arranged on the motor or elements

dépendants et reliées audit contact.  dependent and linked to said contact.

Selon une variante non représentée, le circuit électrique peut avantageusement être-remplacé par un circuit électronique par lequel il est possible de mémoriser l'origine du défeut par exemple, neutroli35 sation de certaines sondes, etc  According to a variant not shown, the electrical circuit can advantageously be replaced by an electronic circuit by which it is possible to memorize the origin of the defect for example, neutralization of certain probes, etc.

Le dispositif objet de l'invention peut de même être avontogeusement utilisé pour la remise à zéro d'un disjoncteur par exemple.  The device which is the subject of the invention can likewise be advantageously used for resetting a circuit breaker for example.

Claims (6)

REVENDICATIONS 1 ) Dispositif de sécurité pour moteur diesel caractérisé por le fait qu'il comporte un axe ( 1) coulissant et maintenu dons un fourreou ( 2) approprié, l'extrémité ( 9) dudit axe ( 1) est reliée à la tirette d'interruption ( 15) d'alimentation de la pompe à injection ( 14) ou moyen d'une tringle ou câble ( 13), sur le fourreau ( 2) est aménagé un évidement dons lequel est maintenu un élément mobile ( 5 ou 6) en prolongement d'un électro-aimont ( 3) fixé sur celui-ci dont le noyau plongeur ( 4) prend appui sur l'élement mobile ( 5 ou 6) de manière à maintenir l'axe coulissant ( 1) lors de l'alimentation électrique de l'électro10 aimant ( 3) à une position définie lors de la pénétration de l'élément mobile ( 5 ou 6) dons l'encoche ( 7 ou 8) oménagée sur l'axe ( 1) et à libérer l'axe mobile ( 1) lors de l'interruption d'alimentation de l'électro-oimont ( 3) afin d'agir sur la tirette ( 15) d'interruption de  1) Safety device for a diesel engine, characterized by the fact that it has a sliding axis (1) which is held in place by a suitable catch (2), the end (9) of said axis (1) is connected to the pull tab interruption (15) of supply to the injection pump (14) or by means of a rod or cable (13), on the sheath (2) a recess is arranged which is kept a movable element (5 or 6) in extension of an electromagnet (3) fixed thereon, the plunger core (4) of which bears on the movable element (5 or 6) so as to maintain the sliding axis (1) during feeding electric of the electro10 magnet (3) at a defined position when the moving element (5 or 6) penetrates the notch (7 or 8) provided on the axis (1) and to release the axis mobile (1) during the power supply interruption of the electro-oimont (3) in order to act on the pull tab (15) l'alimentation de la pompe à injection ( 14) et provoquer l'orrêt du 15 moteur.  the injection pump (14) and cause the engine to stop. 2 ) Dispositif de sécurité pour moteur diesel selon la revendication 1 caractérisé par l'interruption de l'alimentation électrique de l'électroaimont ( 3) provoquée par une ou plusieurs sondes raccordant  2) Safety device for diesel engine according to claim 1 characterized by the interruption of the electrical supply to the electromagnet (3) caused by one or more probes connecting les organes du moteur.engine parts. 3 ) Dispositif de sécurité pour moteur diesel selon les revendications  3) Safety device for diesel engine according to claims 1 et 2 caractérisé par la ou les sondes faisant ogir un contact ( 21)  1 and 2 characterized by the probe (s) making a contact (21) court-circuitant le circuit d'alimentation ( 18 et 19) de l'électroaimont ( 3) provoquant l'olumoge d'un voyant ( 20) servant de résistance.  short-circuiting the supply circuit (18 and 19) of the electromagnet (3) causing the olumoge of an indicator (20) serving as resistance. 4 )-Dispositif de sécurité selon la revendication 1 caractérisé par 25 le déplacement de l'axe ( 1) lors de l'interruption de l'alimentation  4) -Safety device according to claim 1 characterized by the displacement of the axis (1) during the interruption of the supply électrique par un ressort ( 11).electric by a spring (11). ) Dispositif de sécurité pour moteur diesel selon la revendication 1 coroctérisé par l'extrémité( 16) de l'axe ( 1) reliée par une tringle ( 17) à la manette des gaz ou tirette de stop du tableau de bord per30 mettant l'armement du dispositif de sécurité, ou dotée d'un poussoir   ) Safety device for a diesel engine according to claim 1, co-actuated by the end (16) of the axis (1) connected by a rod (17) to the throttle lever or the stop pull tab on the dashboard per30 putting the arming of the safety device, or equipped with a pusher indépendant de la tirette de stop ou manette de gaz.  independent of the stop pull or gas lever. 6 e) Dispositif de sécurité pour moteur diesel 1 élon la revendication 1  6 e) Safety device for diesel engine 1 according to claim 1 caractérisé par l'extrémité ( 16) de l'axe ( 1) sollicitée par un électrooimont ( 3) afin de provoquer le réarmement automatique du dispositif 35 et/ou au moyen d'un moteur électrique et vis,par exemple.  characterized by the end (16) of the axis (1) urged by an electro-stop (3) in order to cause the automatic resetting of the device 35 and / or by means of an electric motor and screw, for example.
FR8315037A 1983-09-20 1983-09-20 SAFETY DEVICE FOR DIESEL ENGINE Expired FR2552162B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8315037A FR2552162B1 (en) 1983-09-20 1983-09-20 SAFETY DEVICE FOR DIESEL ENGINE
PT7923484A PT79234B (en) 1983-09-20 1984-09-19 SAFETY DEVICE FOR DIESEL ENGINE
EP84450022A EP0140808A1 (en) 1983-09-20 1984-09-20 Safety device for a diesel engine
ES536108A ES8505449A1 (en) 1983-09-20 1984-09-20 Safety device for a diesel engine.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8315037A FR2552162B1 (en) 1983-09-20 1983-09-20 SAFETY DEVICE FOR DIESEL ENGINE

Publications (2)

Publication Number Publication Date
FR2552162A1 true FR2552162A1 (en) 1985-03-22
FR2552162B1 FR2552162B1 (en) 1988-07-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR8315037A Expired FR2552162B1 (en) 1983-09-20 1983-09-20 SAFETY DEVICE FOR DIESEL ENGINE

Country Status (4)

Country Link
EP (1) EP0140808A1 (en)
ES (1) ES8505449A1 (en)
FR (1) FR2552162B1 (en)
PT (1) PT79234B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2013971A1 (en) * 1968-07-30 1970-04-10 Daimler Benz Ag
DE2042988A1 (en) * 1970-08-29 1972-03-02 Rieger, Willy, Dipl.-Ing., 8232 Bayerisch Gmain Device for monitoring and automatic shutdown of diesel engines
FR2228945A1 (en) * 1973-05-11 1974-12-06 Valmet Oy
FR2296764A1 (en) * 1974-12-31 1976-07-30 Fondasol Tech Safety shut down circuit for internal combustion engine - cuts out ignition if overheating occurs or oil pressure fails
FR2316439A1 (en) * 1975-07-04 1977-01-28 Devalle Michel Diesel engine driven pump safety circuit - has sensors energising solenoid to operate fuel cut-off mechanism
FR2338388A1 (en) * 1976-01-16 1977-08-12 Ferrari Carlo KEY-ACTED DEVICE FOR STARTING AND STOPPING DIESEL ENGINES

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2013971A1 (en) * 1968-07-30 1970-04-10 Daimler Benz Ag
DE2042988A1 (en) * 1970-08-29 1972-03-02 Rieger, Willy, Dipl.-Ing., 8232 Bayerisch Gmain Device for monitoring and automatic shutdown of diesel engines
FR2228945A1 (en) * 1973-05-11 1974-12-06 Valmet Oy
FR2296764A1 (en) * 1974-12-31 1976-07-30 Fondasol Tech Safety shut down circuit for internal combustion engine - cuts out ignition if overheating occurs or oil pressure fails
FR2316439A1 (en) * 1975-07-04 1977-01-28 Devalle Michel Diesel engine driven pump safety circuit - has sensors energising solenoid to operate fuel cut-off mechanism
FR2338388A1 (en) * 1976-01-16 1977-08-12 Ferrari Carlo KEY-ACTED DEVICE FOR STARTING AND STOPPING DIESEL ENGINES

Also Published As

Publication number Publication date
PT79234A (en) 1984-10-01
EP0140808A1 (en) 1985-05-08
FR2552162B1 (en) 1988-07-01
ES536108A0 (en) 1985-05-16
PT79234B (en) 1986-08-28
ES8505449A1 (en) 1985-05-16

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