US3668411A - Starting and stopping device for a diesel engine - Google Patents

Starting and stopping device for a diesel engine Download PDF

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Publication number
US3668411A
US3668411A US149467A US3668411DA US3668411A US 3668411 A US3668411 A US 3668411A US 149467 A US149467 A US 149467A US 3668411D A US3668411D A US 3668411DA US 3668411 A US3668411 A US 3668411A
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US
United States
Prior art keywords
contact
accessories
coil
starting
engine
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.)
Expired - Lifetime
Application number
US149467A
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English (en)
Inventor
Andre Leger
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.)
Automobiles Peugeot SA
Renault SAS
Regie Nationale des Usines Renault
Original Assignee
Automobiles Peugeot SA
Renault SAS
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 Automobiles Peugeot SA, Renault SAS filed Critical Automobiles Peugeot SA
Application granted granted Critical
Publication of US3668411A publication Critical patent/US3668411A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P19/00—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition
    • F02P19/02—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
    • 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
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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 valve is shifted between a stable open position and stable closed position by an opening coil and a closing coil respectively of an electromagnetic device.
  • the opening coil is connected between ground and a pair of the electric supply circuit across which voltage is applied when the main switch is on the starting" contact and the closing coil is connected between the accessories" contact and ground in series with a normally-closed switch which is opened by a relay whose actuating coil is connected between the operation contact and ground.
  • the present invention relates to a device for starting and stopping a diesel engine and more particularly to the control of the closing element of the fuel conduit.
  • An object of the invention is to provide a device which is simpler and substantially cheaper and has satisfactory operational features.
  • Accessories certain accessories, such as the radio, can be supplied with power.
  • the closing element of the fuel conduit is actuated by an electromagnetic device having two stable positions and an actuating coil for each direction of displacement, the opening coil of the closing element being connected between ground and a part of the circuit which carries current when the switch is placed on the starting" contact, the closing coil being connected between the accessories contact and ground in series with an opening switch of a relay whose coil is connected between the operation" contact and ground.
  • FIGS. 1 and 2 show two embodiments of the invention.
  • FIG. 1 shows a general switch 1 of known type whose moving contact element 1 is capable of occupying two positions diagrammatically represented by thearrow 2 (stop), 3 (accessories), 4(garage), 5 (operation) and 6 (starting), the latter position being unstable.
  • This switch has fixed contacts 7, 8 and 9 which are adapted to co-operate with the moving contact 1 and have the following functions.
  • the contact 7 corresponds to the circuit for the accessories, such as the radio, which one must be able to operate even when the engine is stopped.
  • the contact 8 corresponds to the power supply during normal utilization of the vehicle.
  • the contact 9 corresponds to the supply of power to the unit B pertaining to the heating and starting circuits; an example of such a unit is described in detail in the aforementioned French Pat. Appln. of Addition No. 69 34340 so that it is unnecessary to give a complete description thereof here.
  • the closing element or valve 10 inserted in the fuel conduit 11 and usually incorporated in the pump, is actuated by a moving part 12 which is shifted in the direction for opening the conduit by a coil 13 and in the direction for closing the conduit by a coil 14.
  • the coil 13 is connected between the contact 9 and ground.
  • the coil 14 is connected between the contact 7 and ground.
  • an opening switch 15 Connected in series with the coil 14 is an opening switch 15 which is actuated by a relay whose coil 16 is connected between the contact 8 and ground M.
  • the device operates in the following manner
  • the moving contact 1 is brought to position 6 in thus moving, the moving contact passes first to the position 3 which supplies power to the coil 14 since the switch 15 is closed. This has no effect on the closing element which was already closed.
  • the moving contact 1 reaches position 5
  • the coil 16 is supplied with power
  • the switch opens and the coil 14 is no longer supplied.
  • the moving contact I" reaches the position 6
  • the coil 13 is supplied with power and this opens the closing element 10. The heating and then the starting of the engine are thus simultaneously achieved.
  • the switch 1 is then returned to position 5, in which coils 13 and 14 are switched off since switch 15 is maintained open.
  • the moving contact 1 is shifted rearwardly.
  • the coil 16 is no longer supplied with power
  • the switch 15 closes and the coil 14 is supplied with power at the moment when the switch moving contact 1 moves to position 3, which causes the closing element 10 to close the fuel conduit 11.
  • the coil 15 carries current when the switch contact I" is in position 3 which results in a relatively large consumption of current.
  • the modification shown in the diagram of FIG. 2 remedies this drawback.
  • the input of the coil 16 is connected through a first diode 17 to the contact 7 and through a second diode 18 to the contact 8.
  • FIG. 2 The operation of the arrangement shown in FIG. 2 is generally the same as that of the embodiment shown in FIG. 1.
  • the coil 16 is supplied with power also when the switch 1 is in position 3, which maintains the switch 15 open.
  • the consumption of current in this position is lower than in the first embodiment, since the coil 16 is of much lower power than the coil 14.
  • the switch 15 closes as the switch 1 passes to position 4, which pemiits a pulse to be sent to the coil 14 at the moment when the switch 1 reaches position 3 before the switch 15 is once again opened by supplying power to the coil 16.
  • the diode 17 stops the return of current to the contacts 7 and 15 when the switch 1 is in position 6 whereas the diode I8 stops the return is in position 3.
  • a device for starting and stopping a diesel engine comprising a fuel supply conduit for the engine, a closing element inserted in the fuel supply conduit and having a stable conduit opening position and a stable conduit closing position, a source of electricity having one terminal grounded, circuit means for connecting said source to vehicle accessories and to a unit for controlling an engine heating circuit and an engine starting circuit, a main switch inserted in said circuit means and having a moving contact movable to an accessories position in which said source supplies electric power to said accessories through an accessory contact, an operation" position in which said source supplies electric power through an operation contact to the engine for normal engine operation, and a starting position in which said source supplies electric power through a starting contact to said engine heating circuit, said main switch and said circuit means being so adapted and arranged that said accessories are supplied with electric power by said source both for said accessories position and said operation position of said moving contact and said accessories are cut off from said source during passage of said moving contact between each of said positions, an electromagnetic device associated with said closing element and
  • said actuating coil has an input terminal which is connected to said accessories contact through a first diode and connected to said opera tion contact through a second diode.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
US149467A 1970-06-11 1971-06-03 Starting and stopping device for a diesel engine Expired - Lifetime US3668411A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7021460A FR2093355A5 (fr) 1970-06-11 1970-06-11

Publications (1)

Publication Number Publication Date
US3668411A true US3668411A (en) 1972-06-06

Family

ID=9057029

Family Applications (1)

Application Number Title Priority Date Filing Date
US149467A Expired - Lifetime US3668411A (en) 1970-06-11 1971-06-03 Starting and stopping device for a diesel engine

Country Status (4)

Country Link
US (1) US3668411A (fr)
DE (1) DE2119675A1 (fr)
FR (1) FR2093355A5 (fr)
GB (1) GB1303591A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4482812A (en) * 1981-07-21 1984-11-13 Nippondenso Co., Ltd. Engine automatic control system for vehicles
US4551630A (en) * 1984-05-31 1985-11-05 General Motors Corporation Electric starting system
US4732120A (en) * 1985-02-20 1988-03-22 Hitachi, Ltd. Control apparatus for internal combustion engine provided with permanent magnet type starting motor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2401266C2 (de) * 1974-01-11 1985-04-04 Berthold 6650 Homburg Brendel "Schaltgerät zum Anlassen und Abstellen eines Verbrennungsmotors"

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3371656A (en) * 1967-04-14 1968-03-05 Stauffer Diesel Rcfrigeration Summer-winter automatic diesel starting control
US3551686A (en) * 1966-11-05 1970-12-29 Daimler Benz Ag Starter system for a diesel engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551686A (en) * 1966-11-05 1970-12-29 Daimler Benz Ag Starter system for a diesel engine
US3371656A (en) * 1967-04-14 1968-03-05 Stauffer Diesel Rcfrigeration Summer-winter automatic diesel starting control

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4482812A (en) * 1981-07-21 1984-11-13 Nippondenso Co., Ltd. Engine automatic control system for vehicles
US4551630A (en) * 1984-05-31 1985-11-05 General Motors Corporation Electric starting system
US4732120A (en) * 1985-02-20 1988-03-22 Hitachi, Ltd. Control apparatus for internal combustion engine provided with permanent magnet type starting motor

Also Published As

Publication number Publication date
DE2119675A1 (de) 1971-12-16
FR2093355A5 (fr) 1972-01-28
GB1303591A (fr) 1973-01-17

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