EP0213004B1 - Zündverteiler mit magnetischer Regelung für eine Brennkraftmaschine - Google Patents

Zündverteiler mit magnetischer Regelung für eine Brennkraftmaschine Download PDF

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Publication number
EP0213004B1
EP0213004B1 EP86401496A EP86401496A EP0213004B1 EP 0213004 B1 EP0213004 B1 EP 0213004B1 EP 86401496 A EP86401496 A EP 86401496A EP 86401496 A EP86401496 A EP 86401496A EP 0213004 B1 EP0213004 B1 EP 0213004B1
Authority
EP
European Patent Office
Prior art keywords
ignition distributor
resilient
base
distributor according
spacing gasket
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
EP86401496A
Other languages
English (en)
French (fr)
Other versions
EP0213004A1 (de
Inventor
Pierre Heritier-Best
Denis Plantin
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.)
Equipements Electriques Moteur SA
Original Assignee
Equipements Electriques Moteur SA
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Filing date
Publication date
Application filed by Equipements Electriques Moteur SA filed Critical Equipements Electriques Moteur SA
Publication of EP0213004A1 publication Critical patent/EP0213004A1/de
Application granted granted Critical
Publication of EP0213004B1 publication Critical patent/EP0213004B1/de
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
    • F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
    • F02P7/02—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of distributors
    • F02P7/021—Mechanical distributors

Definitions

  • the present invention relates to a magnetically controlled ignition distributor for an internal combustion engine, consisting of a rotor driven in rotation by the control shaft comprising a sleeve capable of pivoting on the control shaft and on which is fixed a disc with polar teeth cooperating with the corresponding disc of the stator and of a winding arranged between the polar elements of the rotor and the stator.
  • stator is in magnetic contact with a permanent magnet of annular shape concentric with the control shaft and consists of a disc with polar teeth in front of which the polar teeth pass of the rotor between which, rotor-stator, is disposed a winding carried by a reel whose base is held between the two support bearings constituting the distributor housing.
  • the invention overcomes these drawbacks and for this purpose relates to a magnetically controlled ignition distributor for an internal combustion engine of the aforementioned type remarkable in that the base of the coil on which the coil is fixed is clamped between the two bearings distributor housing supports by means of an elastic spacer ring.
  • the elastic spacer ring has a plurality of equidistant teeth on at least one of its peripheral edges.
  • the ignition distributor represented in FIG. 1 is made up in a known manner of two support bearings 1a, 1b in the bearings 3, 4 of which journals the control shaft 2.
  • the control shaft 2 carries a rotor 5 consisting of a sleeve 6 which carries at its upper end a disk with polar teeth 7 and driven in rotation by the control shaft 2; a stator 8 consisting of a polar tooth disc 9 against which is disposed a permanent magnet 10 of flat annular shape ensuring magnetic contact and disposed concentrically with the control shaft 2 and held in position by known means for fixing to the disc with polar teeth 9, in front of which the corresponding polar teeth 7 of the rotor 5 pass, a coil 11 of annular shape coaxial with the control shaft 2 and disposed inside and between the polar elements of the rotor 5 and the stator 8 .
  • the coil 11 is carried by a coil 12 whose base 13 is held in abutment in accordance with the invention by an elastic spacer ring 14 circular.
  • the electrical connection of the winding 11 is provided by a connection device 15 passing through the partition of the lower support bearing 1 a of the housing 1.
  • the base 13 of the spool 12 advantageously produced by molding of plastic material is in the form of a cross, one of the branches of which comprises, fixed by overmolding on its end, two male metal plugs 19. connection adapted to be connected to the ends of the winding 11, which plugs 19 correspond to female plugs of a connection device 15 into which they are inserted.
  • the base 13 of the coil 12 rests on the bearing surface of a recess 1c produced at the free end of the support bearing 1a and is indexed in angular position by means of indexing not shown. This ensures the alignment of the sheets between them.
  • the elastic elastic spacer ring 14 made of plastic material has at its upper peripheral edge a plurality of teeth 14a obtained from materials.
  • Each tooth 14a is made up of a group of two divergent lips 14b, 14c. These lips 14b, 14c are liable to deform by crushing under the action of the force F created by the assembly of the two support bearings 1a, 1b of the housing 1. This elastic deformation allows the automatic take-up of the clearances.
  • the elastic spacer ring 14 has notches 14d, the bottom of which bears on the branches of the base 13 of the bobbin 12 and which determine projections whose edges form stops. preventing said base 13 from rotating relative to the elastic spacer ring 14.
  • one of these said notches 14d is in the form of a dovetail 14e adapted to allow the passage and the holding in position of the connection device 15.
  • connection device 15 shown in FIG. 3 is advantageously produced by plastic molding and is presented opposite the male metal plugs 19 for connection formed at the end of one of the branches of the base 13 of the coil 12 and on which it is electrically connected via the corresponding female plugs embedded in said connection device 15.
  • the connection device 15 is inserted into the opening provided for this purpose in the lower support bearing 1a of the housing 1 and engages in the notch 14d in the form of a dovetail 14e of the elastic spacer ring 14.
  • the part 15a of the connection device 15 which is embedded in the dovetail 14e has a shape such as to exert on the ring elastic spacer 14 an effort from bottom to top tending to provide additional deformation of the lips (14b, 14c) of the teeth 14a of the latter at the right of the fitting.
  • the part 15a of the connection device 15 comprises molding, planes 15b whose slopes are approximately corresponding to those of the dovetail 14e of the notch 14d of the elastic spacer ring 14, but with a draft progressive to provide a corner effect and upward sliding.
  • the embodiment represented by FIG. 4 essentially differs from the previous one in that the elastic spacer ring 16 is metallic and has on its peripheral edges notches 16a formed on one of its peripheral edges corresponding to the projections 16b on the other edge. peripheral.
  • Said projections 16b are of width less than the notches 16a and are arranged approximately in the middle of said notches 16a.
  • the support bearing 1 of the housing 1 is supported, during mounting, on the projections 16b of the elastic spacer ring 16 and consequently exerts pressure on the base 13 of the coil 12 by the projections 16c which rest on the branches of said base 13.
  • the elastic spacer ring 16 is obtained by rolling or bending a sidewall so that the diameter of said elastic spacer ring 16 is slightly larger than the inside diameter of the lower support bearing 1a of the housing 1 which gives it a certain radial elasticity facilitating its temporary maintenance during assembly.
  • connection device 17 The two ends of the elastic spacer ring 16 are inserted in a groove 17b of the base 17a of the connection device 17 and thus allow the effective locking of said connection device 17.
  • the elastic spacer ring 18 is metallic and is pierced with a plurality of apertures 18a in the form of light, parallel to its peripheral edges, said lights 18a giving the elasticity to the elastic spacer ring 18 while being disposed approximately at right angles to the branches of the base 13 of the bobbin 12.
  • said rings can be made either of metallic or plastic material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Claims (11)

1. Zündverteiler mit magnetischer Betätigung für eine Brennkraftmaschine, bestehend aus einem Rotor (5), der durch die Antriebswelle (2) des Verteilers in Umdrehung versetzt wird und mit einer Muffe (6), woran u.a. eine Polscheibe (7) befestigt ist, die an der Peripherie Polzähne besitzt, einem Stator (8) in magnetischem Kontakt mit einem Dauermagneten (10) von ringförmiger Ausbildung, der konzentrisch zur Antriebswelle (2) angeordnet ist, wobei vor den Polzähnen (9) des Stators (8) die Polzähne des Rotors (5) vorbeilaufen, einer Wicklung (11), die zwischen den Polelementen des Rotors (5) und des Stators (8) angeordnet ist und sich auf einem Wickelkörper (12) befindet, dessen Sitzfläche (13) zwischen den beiden Stützlagem (1 a, 1b) festgehalten wird, die das Gehäuse (1) des Verteilers bilden, wobei der elektrische Anschluß der Wicklung (11) durch eine Anschlußvorrichtung (15) gewährleistet wird, die durch die Trennwand eines der genannten Stützlager und den daran befestigten Kabeldurchtritt verläuft, dadurch gekennzeichnet, daß die Sitzfläche (13) des Wickelkörpers (12), woran die Spule befestigt ist, zwischen den beiden Stützlagem (1a, 1b) des Gehäuses (1) des Verteilers mit Hilfe eines elastischen Zwischenrings (14) eingeklemmt ist.
2. Zündverteiler nach Anspruch 1, dadurch gekennzeichnet, daß der elastische Zwischenring (14) vorteilhafterweise aus Kunststoff besteht und an wenigstens einer der Umfangskanten eine Vielzahl von elastischen, im gleichen Abstand zueinander angeordneten Zähnen (14a) aufweist.
3. Zündverteiler nach Anspruch 2, dadurch gekennzeichnet, daß die elastischen Zähne (14a) des elastischen Zwischenrings (14) aus zwei elastisch verformbaren, divergierenden Lippen (14b, 14c) bestehen.
4. Zündverteiler nach Anspruch 2, dadurch gekennzeichnet, daß an der anderen Umfangskante des elastischen Zwischenrings (14) Mittel (14d) vorgesehen sind, die eine Drehbewegung der Sitzfläche (13) des Wickelkörpers (12) verhindern.
5. Zündverteiler nach Anspruch 2, dadurch gekennzeichnet, daß diese Mittel (14d) aus Vorsprüngen bestehen, die an den Seitenkanten von Schenkeln, die in der Sitzfläche (13) des Wickelkörpers (12) vorgesehen sind, Anschläge bilden.
6. Zündverteiler nach Anspruch 2, dadurch gekennzeichnet, daß an der anderen Umfangskante des elastischen Zwischenrings (14) Mittel (13) zur Arretierung der Sitzfläche des Wickelkörpers (12) im Verhältnis zum Gehäuse (1) des Zündverteilers entsprechend einer bestimmten Position vorgesehen sind, wobei in die Aussparung (14e) ein entsprechender Teil (15a), der an der Anschlußvorrichtung (15) vorgesehen ist, auf elastische Weise eingreift.
7. Zündverteiler nach Anspruch 1, dadurch gekennzeichnet, daß der elastische Zwischenring (16) an seinen beiden Umfangskanten abwechselnde Aussparungen (16a) aufweist, die so angebracht sind, daß an einer der Umfangskanten vorgesehene Aussparungen (16a) den Vorsprüngen (16b, 16c) an der anderen Kante entsprechen.
8. Zündverteiler nach Anspruch 7, dadurch gekennzeichnet, daß die Vorsprünge (16b, 16c) eine geringere Breite aufweisen als die Aussparungen (16a) und daß sie etwa in der Fluchtlinie der Mittelachse derselben angeordnet sind.
9. Zündverteiler nach Anspruch 1, dadurch gekennzeichnet, daß der elastische Zwischenring (18) in der Seitenwand mit einer Vielzahl von Öffnungen (18a) in Schlitzform durchbohrt ist, die parallel zu den Umfangskanten verlaufen.
10. Zündverteiler nach den Ansprüchen 7 und 9, dadurch gekennzeichnet, daß der elastische Zwischenring (16, 18) durch Rollformen oder Biegen einer Flanke hergestellt wird.
11. Zündverteiler nach Anspruch 7, dadurch gekennzeichnet, daß der elastische Zwischenring (16, 18) auf einen Durchmesser gerollt oder gebogen ist, der etwas größer ist als der Innendurchmesser der Trennwand, an der er auf elastische Weise anliegt.
EP86401496A 1985-08-29 1986-07-04 Zündverteiler mit magnetischer Regelung für eine Brennkraftmaschine Expired - Lifetime EP0213004B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8512900A FR2586759B1 (fr) 1985-08-29 1985-08-29 Distributeur d'allumage a commande magnetique pour moteur a combustion interne
FR8512900 1985-08-29

Publications (2)

Publication Number Publication Date
EP0213004A1 EP0213004A1 (de) 1987-03-04
EP0213004B1 true EP0213004B1 (de) 1990-01-03

Family

ID=9322483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86401496A Expired - Lifetime EP0213004B1 (de) 1985-08-29 1986-07-04 Zündverteiler mit magnetischer Regelung für eine Brennkraftmaschine

Country Status (8)

Country Link
EP (1) EP0213004B1 (de)
DE (1) DE3668036D1 (de)
EG (1) EG17941A (de)
ES (1) ES2001905A6 (de)
FR (1) FR2586759B1 (de)
IN (1) IN166777B (de)
SU (1) SU1554776A3 (de)
UA (1) UA7733A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2645597B1 (fr) * 1989-04-06 1991-07-19 Marchal Equip Auto Distributeur d'allumage a blocage provisoire du rotor pour moteur a combustion interne

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2929888A (en) * 1957-05-11 1960-03-22 Robert Bosch G M B H Fa Mounting plate for ignition distributors and housing therefor
DE7917194U1 (de) * 1979-06-15 1980-11-27 Robert Bosch Gmbh, 7000 Stuttgart Zündverteiler für Brennkraftmaschinen

Also Published As

Publication number Publication date
SU1554776A3 (ru) 1990-03-30
ES2001905A6 (es) 1988-07-01
FR2586759A1 (fr) 1987-03-06
EG17941A (en) 1991-08-30
UA7733A1 (uk) 1995-12-26
IN166777B (de) 1990-07-14
DE3668036D1 (de) 1990-02-08
FR2586759B1 (fr) 1987-10-30
EP0213004A1 (de) 1987-03-04

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