EP0415099A1 - Distributeur d'allumage - Google Patents

Distributeur d'allumage Download PDF

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Publication number
EP0415099A1
EP0415099A1 EP19900114578 EP90114578A EP0415099A1 EP 0415099 A1 EP0415099 A1 EP 0415099A1 EP 19900114578 EP19900114578 EP 19900114578 EP 90114578 A EP90114578 A EP 90114578A EP 0415099 A1 EP0415099 A1 EP 0415099A1
Authority
EP
European Patent Office
Prior art keywords
support part
ring
bearing ring
support
drive shaft
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Withdrawn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
EP19900114578
Other languages
German (de)
English (en)
Inventor
Richard Gerber
Rolf Rink
Matthias Dipl.-Ing. Perner
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 EP0415099A1 publication Critical patent/EP0415099A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • F02P7/10—Drives of distributors or of circuit-makers or -breakers

Definitions

  • the invention relates to an ignition distributor for internal combustion engines of the type defined in the preamble of claim 1.
  • the annular groove is at a distance from the axial bearing located in an oil bath within the engine block of the internal combustion engine Pierced end face in the inner wall of the tubular support member, so that two annular groove flanks lying opposite one another in the axial direction are formed.
  • the pipe wall is penetrated by an opening in the area of the ring groove, the dimensions of which enable the bearing ring to be pushed through into the ring groove.
  • the ring-shaped groove flank of the ring groove which is closer to the end of the support part, forms the support shoulder for the bearing ring which slides on it with the interposition of an oil film.
  • the support shoulder absorbs the axial forces acting on the shaft.
  • Calibrated spacers are inserted between the front end of the support part and the drive pinion fastened to the end of the drive shaft in order to set the permissible axial play.
  • the ignition distributor according to the invention with the characterizing features of claim 1 has the advantage that the manufacturing costs are reduced by the inventive design of the axial bearing.
  • the ring groove is easy to manufacture, the bearing ring and support ring can be assembled quickly.
  • the support ring is easy to attach to the face at the free end of the support part after sliding on the bearing ring and the spacers using two or three screws.
  • Diametrical openings in the tube wall of the support part in the area of the ring groove enable the bearing ring to be fastened to the drive shaft by means of a pin which is inserted through aligned radial bores in the bearing ring and drive shaft.
  • the spacers can either be arranged between the support ring and bearing ring and support ring and drive pinion or between the bearing ring and support ring and bearing ring and annular groove flank of the ring groove.
  • assembly is simple and time-saving.
  • the ignition distributor shown in FIG. 1 in a side view and partially in section has a cup-shaped housing 10 with a tubular support part 11 which continues in one piece on the pot base.
  • a drive shaft 13 mounted, which protrudes at the free end of the support member 11.
  • a drive pinion 14 is fastened in a rotationally fixed manner and engages with a worm 15 of a worm gear, indicated by dash-dotted lines.
  • the worm 15 rotates counterclockwise in FIG. 1, so that in addition to the rotation of the drive pinion 14, axial forces acting thereon in the direction of the arrow 16 also occur.
  • the drive shaft 13 drives the ignition generator, which is accommodated in the pot-shaped housing 10 and is not shown here.
  • the housing 10 is covered by a cap 17 which is clamped to the housing 10 by means of a spring 18.
  • an axial bearing 19 is provided in the support part 11 near the drive pinion 14, which consists of a bearing ring 20 which is fixed non-rotatably on the drive shaft 13 and a disk-shaped support ring 21.
  • the bearing ring lies in an annular groove 22 which has a larger diameter than the inner diameter of the support part 11 and is introduced from the free end of the support part 11.
  • the support ring 21 has an inside diameter which is larger than the diameter of the drive shaft 13 but smaller than the outside diameter of the bearing ring 20. It is placed on the free end of the support part 11 and fastened by means of screws 23, which are screwed into axial threaded holes 24 (FIG. 2) in the stilt part 11.
  • Calibrated spacers 31, 32 are arranged on the one hand between the support ring 21 and the drive pinion 14 and on the other hand between the support ring 21 and the bearing ring 20 to adjust the axially permissible play.
  • a packet of thinner spacers can also be provided.
  • the bearing ring 20 is pushed onto the drive shaft 13 and fastened in a rotationally fixed manner on the drive shaft 13 by means of the pin 27 which is mounted through the openings 25, 26. Then the spacer 31 is pushed on and the support ring 21 is fastened on the end face to the support part 11 by means of the screws 23. Then the spacer 32 and the drive pinion 14 are pushed onto the drive shaft 13 and the latter is fastened by means of a further pin 33 in the same way as the bearing ring 20.
  • the ignition distributor is inserted with the end region of the support part 11 into an oil bath in the engine block of the internal combustion engine and fastened to the engine block by means of a fastening flange 34 projecting radially on the support part 11, a sealing ring 35 sealing the support part 11 against the bore wall of the engine block.
  • oil can pass through the openings 25, 26 into the axial bearing 19, so that a thin film of lubricating oil forms between the bearing ring 21, the support ring 21 and the spacer disks 31, 32.
  • the ignition distributor shown only partially in FIG. 3 differs from the ignition distributor described above only in that the spacer 32 here between the bearing ring 20 and the annular groove flank 36 of the annular groove 22 facing away from the drive pinion 14 is arranged.

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)
EP19900114578 1989-09-01 1990-07-30 Distributeur d'allumage Withdrawn EP0415099A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19893928996 DE3928996A1 (de) 1989-09-01 1989-09-01 Zuendverteiler
DE3928996 1989-09-01

Publications (1)

Publication Number Publication Date
EP0415099A1 true EP0415099A1 (fr) 1991-03-06

Family

ID=6388379

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900114578 Withdrawn EP0415099A1 (fr) 1989-09-01 1990-07-30 Distributeur d'allumage

Country Status (2)

Country Link
EP (1) EP0415099A1 (fr)
DE (1) DE3928996A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB533672A (en) * 1938-11-23 1941-02-18 Gen Motors Corp Improvements in ignition distributors for internal combustion engines
GB533762A (en) * 1939-11-24 1941-02-19 Wolseley Motors Ltd Improvements in tools or appliances for rolling screw-threads
US2472327A (en) * 1945-07-19 1949-06-07 Ford Motor Co Distributor coupling
FR2303963A1 (fr) * 1975-03-13 1976-10-08 Bosch Gmbh Robert Distributeur d'allumage pour moteurs a combustion interne
FR2526236A1 (fr) * 1982-05-03 1983-11-04 Bosch Gmbh Robert Distributeur d'allumage pour moteur a combustion interne
EP0122819A1 (fr) * 1983-03-03 1984-10-24 DUCELLIER & Cie Distributeur d'allumage pour moteurs à combustion interne

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB533672A (en) * 1938-11-23 1941-02-18 Gen Motors Corp Improvements in ignition distributors for internal combustion engines
GB533762A (en) * 1939-11-24 1941-02-19 Wolseley Motors Ltd Improvements in tools or appliances for rolling screw-threads
US2472327A (en) * 1945-07-19 1949-06-07 Ford Motor Co Distributor coupling
FR2303963A1 (fr) * 1975-03-13 1976-10-08 Bosch Gmbh Robert Distributeur d'allumage pour moteurs a combustion interne
FR2526236A1 (fr) * 1982-05-03 1983-11-04 Bosch Gmbh Robert Distributeur d'allumage pour moteur a combustion interne
EP0122819A1 (fr) * 1983-03-03 1984-10-24 DUCELLIER & Cie Distributeur d'allumage pour moteurs à combustion interne

Also Published As

Publication number Publication date
DE3928996A1 (de) 1991-03-07

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Legal Events

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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

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Designated state(s): DE FR GB IT

17P Request for examination filed

Effective date: 19910821

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: ROBERT BOSCH GMBH

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

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Effective date: 19930202