EP0151799A2 - Distributeur pour allumage d'un moteur polycylindrique - Google Patents

Distributeur pour allumage d'un moteur polycylindrique Download PDF

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Publication number
EP0151799A2
EP0151799A2 EP84116258A EP84116258A EP0151799A2 EP 0151799 A2 EP0151799 A2 EP 0151799A2 EP 84116258 A EP84116258 A EP 84116258A EP 84116258 A EP84116258 A EP 84116258A EP 0151799 A2 EP0151799 A2 EP 0151799A2
Authority
EP
European Patent Office
Prior art keywords
drive shaft
fixing screw
bearing bush
front section
recess
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
EP84116258A
Other languages
German (de)
English (en)
Other versions
EP0151799A3 (en
EP0151799B1 (fr
Inventor
Jürgen Dipl.-Ing.(FH) Assenheimer
Harald Dipl.-Ing. Kalippke
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0151799A2 publication Critical patent/EP0151799A2/fr
Publication of EP0151799A3 publication Critical patent/EP0151799A3/de
Application granted granted Critical
Publication of EP0151799B1 publication Critical patent/EP0151799B1/fr
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
    • 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 invention is based on a runner according to the preamble of the main claim.
  • a rotor lying in this direction is already known (from obvious usage actions), in which the thread is provided for screwing in the fixing screw in the drive shaft. Therefore, when the fixing screw is screwed in, the drive shaft is drawn against the bearing bush only in the area of an imaginary surface line and the force transmission is therefore only carried out in this area, which is why the wear is very great and the service life of such a connection does not always satisfy the requirements.
  • FIG. 1 shows a known fastening of the rotor
  • FIGS. 2 to 4 show a rotor which is secured on the drive shaft according to the invention.
  • the rotor shown in FIG. 1 and belonging to the prior art is intended for distributing ignition voltage pulses in a multi-cylinder internal combustion engine.
  • the rotor consists of an insulating body 1 which has a sleeve-shaped section 2 and a finger 3 protruding radially from the sleeve-shaped section 2.
  • An electrode 4 protrudes from the finger 3 and can be moved past fixed electrodes (not shown) when the rotor rotates, these fixed electrodes being connected to spark plugs in the cylinders of the internal combustion engine.
  • a drive shaft 5 protrudes with its end portion into a blind hole 6, which is fixed in the sleeve-shaped Ab cut 2 seated and for example made of brass bearing bushings 7 is enclosed.
  • a fixing screw 8 is provided which engages through a through hole 9 in the bearing bush 7 and is screwed into a thread 10 of the drive shaft 5.
  • a recess 11 is provided in the sleeve-shaped section 2 of the rotor 1 for screwing the fixing screw 8 into the thread 10.
  • FIG. 2 shows a fastening example according to the invention, which causes less stress and thus less wear compared to the known design.
  • the fastening according to the invention differs from the known embodiment in that the thread 10 is provided for screwing in the fixing screw 8 in the bearing bush 7 and the fixing screw 8 screwed into this thread 10 presses with its front section into a recess 12 in the drive shaft 5.
  • a simple embodiment is obtained if the front section of the fixing screw 8 is rounded off and the recess 12 provided for receiving this front section in the drive shaft is dome-shaped.
  • FIG. 3 shows a fastening according to the invention, in which - compared to the embodiment according to FIG. 2 - the transmission of forces is distributed even better and consequently the wear is reduced even further, the end face of the drive shaft 5 projecting into the blind hole 6 being shown in FIG.
  • the improvement is that the front section of the fixing screw 8 has a conical shape and the recess 12 provided for receiving this front section in the drive shaft 5 is a tapered transverse bore 13.
  • a longitudinal slot 14 extends over the entire shaft diameter, the width a of which is halved by the imaginary longitudinal central axis of the transverse bore 13 and the length b of which extends beyond the transverse hole 13.

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)
EP84116258A 1984-02-15 1984-12-22 Distributeur pour allumage d'un moteur polycylindrique Expired EP0151799B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3405267 1984-02-15
DE19843405267 DE3405267A1 (de) 1984-02-15 1984-02-15 Laeufer fuer die verteilung der zuendspannungsimpulse in einer mehrzylinderbrennkraftmaschine

Publications (3)

Publication Number Publication Date
EP0151799A2 true EP0151799A2 (fr) 1985-08-21
EP0151799A3 EP0151799A3 (en) 1986-07-30
EP0151799B1 EP0151799B1 (fr) 1989-03-08

Family

ID=6227704

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84116258A Expired EP0151799B1 (fr) 1984-02-15 1984-12-22 Distributeur pour allumage d'un moteur polycylindrique

Country Status (7)

Country Link
EP (1) EP0151799B1 (fr)
JP (1) JPS60198376A (fr)
AU (1) AU563428B2 (fr)
BR (1) BR8500654A (fr)
DE (2) DE3405267A1 (fr)
ES (1) ES8606740A1 (fr)
MX (1) MX157276A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2198587A (en) * 1986-11-27 1988-06-15 Magneti Marelli Spa Shaft coupling for a rotor-arm holder unit for a motor vehicle ignition distributor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789168A (en) * 1973-01-10 1974-01-29 Chrysler Corp Ignition distributor device with insulative shutter type rotor
FR2420666A1 (fr) * 1978-03-22 1979-10-19 Bosch Gmbh Robert Distributeur d'allumage de moteurs a combustion interne
DE3104115A1 (de) * 1981-02-06 1982-09-02 Robert Bosch Gmbh, 7000 Stuttgart Befestigungsanordnung fuer laeufer von hochspannungsverteilern
FR2524568A1 (fr) * 1982-03-31 1983-10-07 Bosch Gmbh Robert Repartiteur haute tension pour installations d'allumage de moteurs a combustion interne

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789168A (en) * 1973-01-10 1974-01-29 Chrysler Corp Ignition distributor device with insulative shutter type rotor
FR2420666A1 (fr) * 1978-03-22 1979-10-19 Bosch Gmbh Robert Distributeur d'allumage de moteurs a combustion interne
DE3104115A1 (de) * 1981-02-06 1982-09-02 Robert Bosch Gmbh, 7000 Stuttgart Befestigungsanordnung fuer laeufer von hochspannungsverteilern
FR2524568A1 (fr) * 1982-03-31 1983-10-07 Bosch Gmbh Robert Repartiteur haute tension pour installations d'allumage de moteurs a combustion interne

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2198587A (en) * 1986-11-27 1988-06-15 Magneti Marelli Spa Shaft coupling for a rotor-arm holder unit for a motor vehicle ignition distributor

Also Published As

Publication number Publication date
ES540405A0 (es) 1986-04-16
AU3778585A (en) 1985-08-22
DE3477036D1 (en) 1989-04-13
EP0151799A3 (en) 1986-07-30
AU563428B2 (en) 1987-07-09
JPS60198376A (ja) 1985-10-07
ES8606740A1 (es) 1986-04-16
BR8500654A (pt) 1985-10-01
DE3405267A1 (de) 1985-08-29
EP0151799B1 (fr) 1989-03-08
MX157276A (es) 1988-11-09

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