EP0140808A1 - Sicherheitsvorrichtung für eine Dieselmaschine - Google Patents

Sicherheitsvorrichtung für eine Dieselmaschine Download PDF

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Publication number
EP0140808A1
EP0140808A1 EP84450022A EP84450022A EP0140808A1 EP 0140808 A1 EP0140808 A1 EP 0140808A1 EP 84450022 A EP84450022 A EP 84450022A EP 84450022 A EP84450022 A EP 84450022A EP 0140808 A1 EP0140808 A1 EP 0140808A1
Authority
EP
European Patent Office
Prior art keywords
electromagnet
axis
safety device
diesel engine
supply
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.)
Withdrawn
Application number
EP84450022A
Other languages
English (en)
French (fr)
Inventor
Michel Devalle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0140808A1 publication Critical patent/EP0140808A1/de
Withdrawn legal-status Critical Current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

Definitions

  • 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 dependent members.
  • the device which is the subject of the invention is characterized in that it comprises a sliding axis 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 is provided with a recess in which is held a movable element bearing 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 energized its blocking in a position, while during the interruption of the supply of the coil during an abnormal operation of the motor or dependent members, detected by probes, the blocking element 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 the engine to stop.
  • the safety device comprises an axis 1 kept sliding in a sheath 2 of section suitable for the section of said axis 1, said sheath 2 is fixed to a support (not shown) which may be the motor, the chassis or an element arbitrary, on this is disposed an electromagnet 3 provided with a plunger core 4, pressing when the electromagnet is supplied with current on a ball 5 or a needle 6 as shown in FIG. 3 so as to maintain axis 1 by means of an appropriate notch 7 or 8 arranged on the latter when arming and / or starting the engine.
  • a recess 10 makes it possible to receive the end of a spring 11 connected at its other end 12 to the sheath 2, the latter having the function of causing the displacement of the axis 1 during an 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 by means of a rod or cable 13 displacement of the pull-out rod 15 for interrupting the injection pump 14.
  • 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 of the device during restarting the engine.
  • the ends 16 or 9 can be extended by a pusher, the latter allowing manual resetting of the device independent of the stop pull or gas lever.
  • the device can be mounted integrated into the engine speed variation system and accompanies it during a change of speed or be mounted separately.
  • 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, the latter having the function of signaling a fault while serving as a resistance in order to avoid a short circuit at the terminals of the power supply when the coil of the electromagnet 3 is short-circuited by 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 losing elements and linked to said contact.
  • the electrical circuit can advantageously be replaced by an electronic circuit by which it is possible to memorize the origin of the fault for example, neutralization of certain probes, etc.
  • the device which is the subject of the invention can likewise be advantageously used for resetting a circuit breaker for example.

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)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Fuel-Injection Apparatus (AREA)
EP84450022A 1983-09-20 1984-09-20 Sicherheitsvorrichtung für eine Dieselmaschine Withdrawn EP0140808A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8315037A FR2552162B1 (fr) 1983-09-20 1983-09-20 Dispositif de securite pour moteur diesel
FR8315037 1983-09-20

Publications (1)

Publication Number Publication Date
EP0140808A1 true EP0140808A1 (de) 1985-05-08

Family

ID=9292424

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84450022A Withdrawn EP0140808A1 (de) 1983-09-20 1984-09-20 Sicherheitsvorrichtung für eine Dieselmaschine

Country Status (4)

Country Link
EP (1) EP0140808A1 (de)
ES (1) ES536108A0 (de)
FR (1) FR2552162B1 (de)
PT (1) PT79234B (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2013971A1 (de) * 1968-07-30 1970-04-10 Daimler Benz Ag
DE2042988A1 (de) * 1970-08-29 1972-03-02 Rieger, Willy, Dipl.-Ing., 8232 Bayerisch Gmain Gerät zur Überwachung und selbsttätigen Abstellung von Dieselmotoren
FR2228945A1 (de) * 1973-05-11 1974-12-06 Valmet Oy
FR2296764A1 (fr) * 1974-12-31 1976-07-30 Fondasol Tech Dispositif de securite pour moteurs a explosion
FR2316439A1 (fr) * 1975-07-04 1977-01-28 Devalle Michel Dispositif de securite pour groupe-moteur
FR2338388A1 (fr) * 1976-01-16 1977-08-12 Ferrari Carlo Dispositif actionne par une clef, pour la mise en marche et l'arret de moteurs diesel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2013971A1 (de) * 1968-07-30 1970-04-10 Daimler Benz Ag
DE2042988A1 (de) * 1970-08-29 1972-03-02 Rieger, Willy, Dipl.-Ing., 8232 Bayerisch Gmain Gerät zur Überwachung und selbsttätigen Abstellung von Dieselmotoren
FR2228945A1 (de) * 1973-05-11 1974-12-06 Valmet Oy
FR2296764A1 (fr) * 1974-12-31 1976-07-30 Fondasol Tech Dispositif de securite pour moteurs a explosion
FR2316439A1 (fr) * 1975-07-04 1977-01-28 Devalle Michel Dispositif de securite pour groupe-moteur
FR2338388A1 (fr) * 1976-01-16 1977-08-12 Ferrari Carlo Dispositif actionne par une clef, pour la mise en marche et l'arret de moteurs diesel

Also Published As

Publication number Publication date
PT79234A (fr) 1984-10-01
FR2552162A1 (fr) 1985-03-22
PT79234B (fr) 1986-08-28
FR2552162B1 (fr) 1988-07-01
ES8505449A1 (es) 1985-05-16
ES536108A0 (es) 1985-05-16

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): AT BE DE GB IT NL

17P Request for examination filed

Effective date: 19851106

17Q First examination report despatched

Effective date: 19860912

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19870122