EP1807643A1 - Verschlussstopfen für ein zylindergehäuse - Google Patents

Verschlussstopfen für ein zylindergehäuse

Info

Publication number
EP1807643A1
EP1807643A1 EP05811860A EP05811860A EP1807643A1 EP 1807643 A1 EP1807643 A1 EP 1807643A1 EP 05811860 A EP05811860 A EP 05811860A EP 05811860 A EP05811860 A EP 05811860A EP 1807643 A1 EP1807643 A1 EP 1807643A1
Authority
EP
European Patent Office
Prior art keywords
plug
hole
closure cap
disc
closure
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
EP05811860A
Other languages
English (en)
French (fr)
Other versions
EP1807643B1 (de
Inventor
Michel Thirion
Joseph Reymond
Eckard Puschel
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.)
Bayerische Motoren Werke AG
PSA Automobiles SA
Original Assignee
Bayerische Motoren Werke AG
Peugeot Citroen Automobiles SA
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 Bayerische Motoren Werke AG, Peugeot Citroen Automobiles SA filed Critical Bayerische Motoren Werke AG
Publication of EP1807643A1 publication Critical patent/EP1807643A1/de
Application granted granted Critical
Publication of EP1807643B1 publication Critical patent/EP1807643B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/005—Plugs

Definitions

  • the invention relates to a closure cap for a cylinder block, the provision of such a closure cap in a cylinder block and a cylinder block provided with such a closure cap.
  • crankcase wall In the manufacture of a crankcase of an internal combustion engine, holes are generated in the crankcase wall. Part of the holes are generated by the passage of pins for forming oil channels in the housing, and other holes are generated to form vents. These holes must be closed to ensure watertightness. crankcase oil.
  • a first shutter option is the use of screw caps. Another possibility is to put beads in the fillings and paste them.
  • the plugs are elements having a fairly large thickness, for example of the order of 10 mm.
  • Such a thickness of the cap results in a depth of implantation also quite important.
  • the object of the invention is to provide means for closing the holes in a crankcase. cylinders that remedy the disadvantages described above.
  • the object of the invention is achieved with a closure plug for closing a hole in a cylinder housing, which is constituted by a thin disc.
  • the disk is provided with an input chamfer.
  • This arrangement of the invention provides a closure at least as reliable as the use of a screw cap or a ball fitted, or other means used before the invention.
  • the closure cap of the invention makes it possible to obtain a reliable closure of a hole made in a cylinder casing only by its shape which is that of a simple disk provided with an entry chamfer, and which allows thus to fit the plug in the housing hole with a tight fit.
  • an inlet chamfer is made on the bore of the cylinder block and / or a groove is formed at the bottom of the bore.
  • the seal between the plug of the invention and the cylinder casing can be improved by providing, during the introduction of the plug in the hole, a sealant on the inner periphery of the hole.
  • a sealant on the inner periphery of the hole.
  • the plug of the invention has the advantage of being able to be used in reduced dimensions.
  • the plug of the invention is, thanks to its simple shape, a piece that can be made simply and inexpensively. It also contributes to the production of compact engines or, at the very least, prevents engines from becoming less compact.
  • the object of the invention is also achieved with an arrangement of a closure cap described above in the closed position of a hole made in a cylinder block, as well as by a cylinder block comprising a closure cap according to the description above.
  • FIG. 1 shows a plug of the invention in a perspective view
  • FIG. 2 shows the plug of the invention, in a lateral view, in a position just before fitting into a hole made in a cylinder block
  • FIG. 3 diagrammatically shows in a detail of FIG. place the plug of the invention in a hole
  • Figure 4 shows the arrangement of two holes to be plugged on a cylinder block of an internal combustion engine.
  • a plug 1 for closing a hole 2 formed in a cylinder casing C is constituted by a disk 3 having a diameter d and a thickness e. The diameter of the disk 3 is determined so as to allow the plug 1 to be inserted into the hole 2 with a tight fit.
  • the thickness e of the disc 3 is between 3 mm and 4 mm. This thickness corresponds to approximately 10% of the diameter of the disc 3.
  • the plug 1 is made of the same material as the casing C in which the hole to be closed is practiced.
  • the cap is also made of aluminum alloy.
  • the plug is made of the same aluminum alloy as the housing.
  • the clamping coefficient that is to say the ratio between the difference between the two diameters, respectively of the disc 3 and the hole 2, and the diameter of the hole 2 may vary according to the maximum oil pressure estimated for a type given engine. It is generally of the order of 0.05.
  • a sealant for example LOCTITE ® 129078, is deposited in the housing constituting the hole 2 and intended to receive the plug 1.
  • the sealant is pushed into the chamfer input, as shown in Figure 3. More particularly, the sealant is housed, at least primarily between the chamfer of the cap and the shoulder of the bore and thus ensures 1 sealing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Fluid-Damping Devices (AREA)
  • Glass Compositions (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
EP05811860A 2004-11-05 2005-10-20 Verschlussstopfen für ein zylindergehäuse Expired - Lifetime EP1807643B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0411807A FR2877698B1 (fr) 2004-11-05 2004-11-05 Bouchon de fermeture d'un carter de cylindres
PCT/FR2005/002607 WO2006051175A1 (fr) 2004-11-05 2005-10-20 Bouchon de fermeture d'un carter de cylindres

Publications (2)

Publication Number Publication Date
EP1807643A1 true EP1807643A1 (de) 2007-07-18
EP1807643B1 EP1807643B1 (de) 2011-05-18

Family

ID=34950773

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05811860A Expired - Lifetime EP1807643B1 (de) 2004-11-05 2005-10-20 Verschlussstopfen für ein zylindergehäuse

Country Status (5)

Country Link
EP (1) EP1807643B1 (de)
AT (1) ATE510154T1 (de)
ES (1) ES2367750T3 (de)
FR (1) FR2877698B1 (de)
WO (1) WO2006051175A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2981923B1 (fr) * 2011-10-26 2014-12-26 Peugeot Citroen Automobiles Sa Dispositif d’extraction de bouchons et bouchon associe
FR3042431B1 (fr) * 2015-10-15 2018-03-23 Peugeot Citroen Automobiles Sa Machine d'emmanchement de bouchons pour carter-cylindres

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1432475A (en) * 1918-08-08 1922-10-17 Hugh C Lord Closure for openings in receptacles subjected to pressure
NL105416C (de) * 1959-04-18
FR2081087A1 (de) * 1970-03-03 1971-12-03 Dasche Robert
IT214888Z2 (it) * 1988-10-07 1990-07-04 Fiat Auto Spa Coppa olio in lega leggera per un motore a combustione interna
US5771853A (en) * 1996-06-17 1998-06-30 Chrysler Corporation Tool and plug for blocking engine oil gallery access hole

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006051175A1 *

Also Published As

Publication number Publication date
EP1807643B1 (de) 2011-05-18
ES2367750T3 (es) 2011-11-08
WO2006051175A1 (fr) 2006-05-18
FR2877698B1 (fr) 2009-05-29
ATE510154T1 (de) 2011-06-15
FR2877698A1 (fr) 2006-05-12

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