EP0075659A2 - Moteur à combustion à quatre cylindres - Google Patents

Moteur à combustion à quatre cylindres Download PDF

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Publication number
EP0075659A2
EP0075659A2 EP82105814A EP82105814A EP0075659A2 EP 0075659 A2 EP0075659 A2 EP 0075659A2 EP 82105814 A EP82105814 A EP 82105814A EP 82105814 A EP82105814 A EP 82105814A EP 0075659 A2 EP0075659 A2 EP 0075659A2
Authority
EP
European Patent Office
Prior art keywords
screw
bearing housing
combustion engine
internal combustion
cylinder
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
EP82105814A
Other languages
German (de)
English (en)
Other versions
EP0075659A3 (en
EP0075659B1 (fr
Inventor
Herbert Ampferer
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.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF Porsche AG
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 Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of EP0075659A2 publication Critical patent/EP0075659A2/fr
Publication of EP0075659A3 publication Critical patent/EP0075659A3/de
Application granted granted Critical
Publication of EP0075659B1 publication Critical patent/EP0075659B1/fr
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • 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
    • F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
    • F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
    • 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
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B2075/1804—Number of cylinders
    • F02B2075/1816—Number of cylinders four

Definitions

  • the invention relates to a reciprocating piston internal combustion engine, preferably a four-cylinder type, with at least one vibration-damping balance shaft, which is rotatably mounted in a bearing housing held on a crankcase by means of a screw connection.
  • support between the bearing housing and the crankcase is to be achieved in that the cheeks of the bearing housing are supported on walls of a recess in the crankcase.
  • the cheeks of the bearing housing are supported on walls of a recess in the crankcase.
  • the object of the invention is to attach the position housing of the balancer shaft to the crankcase in such a way that the rotating inertial forces are supported in a functional manner while avoiding complex manufacturing measures.
  • the main advantages achieved with the invention are the fact that the conical approach of the screw or the nut and the chamfer on the bearing housing support the occurring forces acting transversely to the screw axis in a functional manner.
  • the stud screw has a conical projection which cooperates with a chamfer on the crankcase for support, as a result of which notch effects are kept away from the threaded stud of the stud screw.
  • a reciprocating piston internal combustion engine 1 comprises a cylinder crankcase 2, on the longitudinal side 3 of which a balancer shaft 4 extends, which is used for vibration damping (inertial forces, gas forces).
  • the balance shaft 4 has balance weights 5, 6, and rotates at double crankshaft speed in a bearing housing 7, which is formed by two housing halves 8, 9.
  • the housing halves 8, 9 are held in position by means of screws 10, 11.
  • the bearing housing 7 is also held by means of screws 12, 13 which are arranged at a distance from one another at 14 and 15 (Fig. 3) are provided, 7 mounting portions 16, 17 are attached to the cylinder crankcase 2 for receiving the bearing housing.
  • the screw 12 (at 14) and the screws, not shown, at 15 are formed by conventional hexagon screws.
  • the screw 13 has a conical projection 18 which cooperates with a corresponding chamfer 19 of the bearing housing 7 in such a way that the forces which occur transversely to the longitudinal axis A-A of the screw 13 are supported without play. To avoid over-determinations, it is sufficient to form a screw in this way.
  • the screw 13 has a threaded pin 21 projecting into a threaded bore 20 and a head 22 which is accessible via a recess 23 in the bearing housing 7.
  • the screw is formed by a stud 24, the threaded pin 25 is screwed into a threaded bore 26.
  • the threaded stem 25 is supported by means of a cone-shaped projection 27 on a corresponding A nfasung 28 from the cylinder crankcase 2, thereby acting forces 23 are supported on the threaded pin.
  • a screw nut 29 of the stud screw 22 has a conical projection 30 which interacts with a corresponding chamfer 31 of the bearing housing 7.
  • the screw nut 29 is accessible via a recess 32 in the bearing housing 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
EP82105814A 1981-09-25 1982-06-30 Moteur à combustion à quatre cylindres Expired EP0075659B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3138165 1981-09-25
DE19813138165 DE3138165A1 (de) 1981-09-25 1981-09-25 "hubkolbenbrennkratfmaschine, vorzugsweise vierzylindriger bauart"

Publications (3)

Publication Number Publication Date
EP0075659A2 true EP0075659A2 (fr) 1983-04-06
EP0075659A3 EP0075659A3 (en) 1983-08-03
EP0075659B1 EP0075659B1 (fr) 1986-01-29

Family

ID=6142576

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82105814A Expired EP0075659B1 (fr) 1981-09-25 1982-06-30 Moteur à combustion à quatre cylindres

Country Status (4)

Country Link
US (1) US4510898A (fr)
EP (1) EP0075659B1 (fr)
JP (1) JPS5868532A (fr)
DE (2) DE3138165A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0255706A1 (fr) * 1986-08-05 1988-02-10 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Dispositif de réglage de la position relative d'éléments de construction, en particulier dispositif de tension pour transmission à organe flexible sans fin
FR2619881A1 (fr) * 1987-08-31 1989-03-03 Peugeot Arbre d'equilibrage pour moteur a pistons alternatifs
EP0402607A3 (fr) * 1989-06-15 1991-07-17 Daimler-Benz Aktiengesellschaft Dispositif d'ajustage d'un contre-poids et procédé de fixation d'un contre-poids ajusté à un vilbrequin au moyen du dispositif
EP3686410A1 (fr) * 2019-01-23 2020-07-29 Volvo Car Corporation Ensemble de boîtier

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4703724A (en) * 1986-05-29 1987-11-03 Chrysler Motors Corporation Engine balancing device with a lubricant side discharge
US4677948A (en) * 1986-05-29 1987-07-07 Chrysler Motors Corporation Lubricating system for an engine balancing device
US4703725A (en) * 1986-05-29 1987-11-03 Chrysler Motors Corporation Mounting of an engine balancing device
JPH01114953U (fr) * 1988-01-28 1989-08-02
DE4223780C2 (de) * 1992-07-18 1996-04-11 Bayerische Motoren Werke Ag Schraubverbindung für einen Zylinderkopf einer Brennkraftmaschine
DE10241883B4 (de) * 2002-09-10 2012-06-21 Andreas Stihl Ag & Co. Handgeführtes Arbeitsgerät mit einem Befestigungsstift für einen Abgasschalldämpfer
AT7764U1 (de) 2003-12-02 2005-08-25 Magna Drivetrain Ag & Co Kg Kolbenmaschine mit integrierten ausgleichswellen
DE102009041708A1 (de) * 2009-09-16 2011-03-24 GM Global Technology Operations, Inc., Detroit Schraubenpfeife für einen Zylinderkopf einer Brennkraftmaschine, Zylinderkopf, Brennkraftmaschine und Fahrzeug sowie Verfahren zur Herstellung einer Schraubenpfeife
US20140216390A1 (en) * 2010-11-23 2014-08-07 Jacob M. Wiebe Stud fasteners for fastening a cylinder head to an engine block and kit containing said stud fasteners
DE102019002996A1 (de) * 2019-04-25 2020-10-29 Deutz Aktiengesellschaft Kurbelgehäuse mit gestufter Stiftschraube
EP3741485B1 (fr) * 2019-05-20 2024-07-03 Andreas Stihl AG & Co. KG Appareil de travail et goujons pour un appareil de travail
US20250027525A1 (en) * 2023-07-21 2025-01-23 Spirit Aerosystems, Inc. Indexing bolt for joining composite form pieces together

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH220808A (fr) * 1939-12-30 1942-04-30 Bechler Andre Dispositif de raccordement axial par vis de deux pièces cylindriques.
US3115356A (en) * 1960-05-31 1963-12-24 Ernest F Hohwart Self positioning accurately remountable dowell
US3245142A (en) * 1964-11-10 1966-04-12 Durabla Mfg Company Method of assembling low stress threaded connection
GB1231212A (fr) * 1968-05-06 1971-05-12
DE1780504A1 (de) * 1968-09-23 1972-02-03 Kronprinz Ag Zentrierende Fahrzeugradbefestigung fuer einteiige Radscheiben von Fahrzeugraedern
JPS5175808A (en) * 1974-12-26 1976-06-30 Mitsubishi Motors Corp Enjinno baransakudosochi
DE2935384A1 (de) * 1979-09-01 1981-03-19 Daimler-Benz Ag, 7000 Stuttgart Brennkraftmaschine mit einem massenausgleich zweiter ordnung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0255706A1 (fr) * 1986-08-05 1988-02-10 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Dispositif de réglage de la position relative d'éléments de construction, en particulier dispositif de tension pour transmission à organe flexible sans fin
FR2619881A1 (fr) * 1987-08-31 1989-03-03 Peugeot Arbre d'equilibrage pour moteur a pistons alternatifs
EP0402607A3 (fr) * 1989-06-15 1991-07-17 Daimler-Benz Aktiengesellschaft Dispositif d'ajustage d'un contre-poids et procédé de fixation d'un contre-poids ajusté à un vilbrequin au moyen du dispositif
EP3686410A1 (fr) * 2019-01-23 2020-07-29 Volvo Car Corporation Ensemble de boîtier

Also Published As

Publication number Publication date
DE3138165A1 (de) 1983-04-14
US4510898A (en) 1985-04-16
EP0075659A3 (en) 1983-08-03
JPS5868532A (ja) 1983-04-23
DE3268790D1 (en) 1986-03-13
EP0075659B1 (fr) 1986-01-29

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