EP1678417B1 - Kolben für einen verbrennungsmotor - Google Patents

Kolben für einen verbrennungsmotor Download PDF

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Publication number
EP1678417B1
EP1678417B1 EP04789922A EP04789922A EP1678417B1 EP 1678417 B1 EP1678417 B1 EP 1678417B1 EP 04789922 A EP04789922 A EP 04789922A EP 04789922 A EP04789922 A EP 04789922A EP 1678417 B1 EP1678417 B1 EP 1678417B1
Authority
EP
European Patent Office
Prior art keywords
piston
half shells
combustion engine
internal combustion
shells
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.)
Not-in-force
Application number
EP04789922A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1678417A1 (de
Inventor
Rainer Scharp
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.)
Mahle GmbH
Original Assignee
Mahle 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 Mahle GmbH filed Critical Mahle GmbH
Publication of EP1678417A1 publication Critical patent/EP1678417A1/de
Application granted granted Critical
Publication of EP1678417B1 publication Critical patent/EP1678417B1/de
Anticipated expiration legal-status Critical
Not-in-force 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
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/16—Pistons  having cooling means
    • F02F3/20—Pistons  having cooling means the means being a fluid flowing through or along piston
    • F02F3/22—Pistons  having cooling means the means being a fluid flowing through or along piston the fluid being liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/16—Pistons  having cooling means

Definitions

  • the invention relates to a piston for an internal combustion engine according to the preamble of claim 1.
  • the present invention consists of two half-shells cover the cooling channel has an inwardly directed groove over which the half shells for the purpose of assembly can be pushed quickly and easily on a groove shape complementary shaped projection on the outside of the piston.
  • the half-shells in the region of their abutting surfaces latching connections, by means of which the half-shells are quickly connected to each other.
  • Figure 1 shows a one-piece piston 1 for an internal combustion engine in a sectional view along the angled line II in Fig. 2, which consists of two halves, of which the left half a section of the piston 1 along a longitudinal axis 2 of a hub bore 3 and the right Half represents a 90 ° offset to longitudinal section of the piston 1.
  • the piston 1 is made of steel and has a combustion bowl 5 in the region of the piston head 4.
  • an annular circumferential cooling channel 6 is arranged, the radially outer boundary of an integrally formed on the piston head 4 ring wall 7 and its radially inner boundary part of an annular rib 8, partly from a hub support 9, 9 'and partly be formed by a shank connection 10, 10 '.
  • the annular wall 7 serves as a piston ring carrier.
  • the hub supports 9, 9 ' each a pin boss 11, 11', each with a hub bore 3, 3 'integrally formed on the piston head 4.
  • the piston 1 has recesses 15.
  • a circumferential projection 16 is formed, which has a substantially rectangular shaped cross-sectional area, and whose function is as a support rail for two half-shells 17 and 17 ' to serve, of which the cooling channel 6 is closed, and of which in the region of the shaft members 14 and 14 'also the recesses 15 are covered.
  • the half shells 17, 17 'each have on their inner sides a circumferential groove 18, the inner surface of which is Complemtentär formed to the outer surface of the projection 16 that the half shells 17, 17' can be pushed over their grooves 18 on the projection 16 ,
  • the cross-sectional shape of the half-shells 17, 17 ' depending on whether they the cooling channel 6 in the region of the end faces 12 of the pin bosses 11, 11', as shown in the left half of Fig. 1, or cover the cooling channel 6 in the region of shaft elements 14, 14 ', as shown in the right half of the sectional view of FIG. 1.
  • both aprons 19 and 21, 21 ' is, in particular, the half-shells 17, 17' with faster reciprocating movements of the piston against the shaft-side end face 20 of the annular wall 7 and partly against the piston crown side Shades 22 of the shaft members 14, 14 'support and thus securely fix in the axial direction.
  • the half-shells 17, 17 ' in the case that they are made of steel, a support for the annular wall 7 and thus for the edge of the piston head 4, whereby at greater loads of the piston 1, a bending of the piston crown edge in the direction of the pin bosses eleventh , 11 'is avoided.
  • FIG. 1 The section shown in Fig. 2 by the piston 1 and through the two half-shells 17 and 17 'along the line A-A, respectively.
  • IV-IV in Fig. 1 shows first that the section shown in the right half of Fig. 1 of the half-shells 17, 17 'through the gap 23 between the abutment surfaces ⁇ 26, 28' ⁇ and ⁇ 26 ', 28 ⁇ of the half-shells 17 and 17 'goes, so that in the right sectional view of Fig. 1, the abutting surface 26 of the half-shell 17' in plan view and the locking arm 24 are shown in section.
  • retaining bracket 30, 30' see also Fig.
  • the half shells 17, 17 'in section semi-circular recesses 31, 31' wherein one of the recesses 31 'with a semi-circular and in the region of the projections 16 on the outside of the piston attached recess 40 corresponds and thus a circular in section opening 32 forms.
  • Fig. 2 to the half-shells 17, 17 'molded feet 35 to 38 are shown, the shape and function will be explained in more detail below.
  • FIG. 3 On the basis of FIG. 3, a section along the line DD according to FIG. 2 or FIG. 4, the function of the opening 32, partially incorporated into the projection 16 and partly into the half-shell 17 ', will be explained, which is aligned axially and via an in the shaft connection 10 'introduced opening 33 is extended into the piston interior 34.
  • the function of the channel formed from the openings 32 and 33 is to guide in the axial direction in the piston interior 34 esp. In the direction of the opening 33 injected cooling oil into the cooling channel 6.
  • the collar 32 which is also shown in FIGS. 4 and 5, on the piston crown side, defines the collar 32.
  • Fig. 4 shows the half-shells 17 and 17 'in plan view, wherein the area around the locking connection 25 in partial section along the line IV-IV in Fig. 1 is shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
EP04789922A 2003-10-06 2004-10-04 Kolben für einen verbrennungsmotor Not-in-force EP1678417B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10346822A DE10346822A1 (de) 2003-10-06 2003-10-06 Kolben für einen Verbrennungsmotor
PCT/DE2004/002209 WO2005035960A1 (de) 2003-10-06 2004-10-04 Kolben für einen verbrennungsmotor

Publications (2)

Publication Number Publication Date
EP1678417A1 EP1678417A1 (de) 2006-07-12
EP1678417B1 true EP1678417B1 (de) 2007-09-12

Family

ID=34353356

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04789922A Not-in-force EP1678417B1 (de) 2003-10-06 2004-10-04 Kolben für einen verbrennungsmotor

Country Status (9)

Country Link
US (1) US7628134B2 (zh)
EP (1) EP1678417B1 (zh)
JP (1) JP4422149B2 (zh)
KR (1) KR101156912B1 (zh)
CN (1) CN100445545C (zh)
BR (1) BRPI0415222B1 (zh)
DE (2) DE10346822A1 (zh)
ES (1) ES2293351T3 (zh)
WO (1) WO2005035960A1 (zh)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005037175A1 (de) 2005-08-06 2007-02-08 Mahle International Gmbh Kolben für einen Verbrennungsmotor sowie Abdeckring für den Kühlkanal eines solchen Kolbens
DE102006013884A1 (de) * 2006-03-25 2007-09-27 Mahle International Gmbh Kolben für einen Verbrennungsmotor
DE102006030699B4 (de) * 2006-06-30 2014-10-02 Daimler Ag Gegossener Stahlkolben für Verbrennungsmotoren
DE102006045728A1 (de) * 2006-09-27 2008-04-03 Mahle International Gmbh Einteiliger Kolben für einen Verbrennungsmotor
DE102007027162A1 (de) * 2007-06-13 2008-12-18 Mahle International Gmbh Zweiteiliger Kolben für einen Verbrennungsmotor
DE102008055848A1 (de) 2008-11-04 2010-05-06 Ks Kolbenschmidt Gmbh Kühlkanalkolben einer Brennkraftmaschine mit einem Verschlusselement, das den Kühlkanal verschließt
DE102010025507A1 (de) 2010-06-29 2011-12-29 Mahle International Gmbh Kolben für einen Verbrennungsmotor
DE102011114105A1 (de) * 2010-12-18 2012-06-21 Mahle International Gmbh Kolben für einen Verbrennungsmotor und Verfahren zu seiner Herstellung
US8813713B2 (en) * 2010-12-22 2014-08-26 Caterpillar Inc. Piston with cylindrical wall
US8347843B1 (en) 2011-03-25 2013-01-08 Batiz-Vergara Jose A Piston for internal combustion engine
WO2013126365A1 (en) * 2012-02-20 2013-08-29 Federal-Mogul Corporation Piston assembly for internal combustion engine
DE102013205298B4 (de) * 2013-03-26 2021-05-12 Mahle International Gmbh Kolben mit durch Spritzöl gekühltem Kolbenboden
DE102013018249A1 (de) * 2013-10-30 2015-05-13 Mahle International Gmbh Kolben für einen Verbrennungsmotor und Abdeckplatte für einen Kolben
DE102014015947A1 (de) * 2014-10-30 2016-05-19 Mahle International Gmbh Kühlkanalabdeckung sowie mit einer Kühlkanalabdeckung versehener Kolben
JP6283751B2 (ja) * 2014-12-02 2018-02-21 日立オートモティブシステムズ株式会社 内燃機関用ピストンの製造装置及び製造方法
DE102015221293B4 (de) 2015-10-30 2022-11-17 Federal-Mogul Nürnberg GmbH Verfahren zur Herstellung eines Kolbens für einen Verbrennungsmotor und Kolben für einen Verbrennungsmotor
JP6869155B2 (ja) * 2017-09-21 2021-05-12 日立Astemo株式会社 内燃機関のピストン
DE102020210906A1 (de) 2020-08-28 2022-03-03 Mahle International Gmbh Kolben für eine Brennkraftmaschine

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2017662A (en) * 1934-03-05 1935-10-15 Virgil R Johnson Company Piston construction
US2080705A (en) * 1936-03-23 1937-05-18 Phelps M Freer Piston
US4377967A (en) * 1981-03-27 1983-03-29 Mack Trucks, Inc. Two-piece piston assembly
DE3338419A1 (de) * 1983-10-22 1985-05-02 Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh, 7990 Friedrichshafen Kolben fuer eine hubkolbenbrennkraftmaschine
DE3830033C2 (de) * 1987-11-30 1998-05-07 Mahle Gmbh Gebauter, ölgekühlter Tauchkolben für Verbrennungsmotoren
BR9107164A (pt) * 1990-12-13 1994-03-01 Mahle Gmbh Embolo refrigerado de partes multiplas para motores de combustao interna
DE4446726A1 (de) * 1994-12-24 1996-06-27 Mahle Gmbh Verfahren zur Herstellung eines einteiligen Kühlkanalkolbens
DE19720958B4 (de) * 1997-05-17 2007-07-26 Mahle Gmbh Mehrteiliger, gekühlter Kolben für Verbrennungsmotoren
DE19926568A1 (de) * 1999-06-11 2000-12-14 Mahle Gmbh Gekühlter Kolben für Verbrennungsmotoren
DE19926567A1 (de) 1999-06-11 2000-12-14 Mahle Gmbh Gekühlter Kolben für Verbrennungsmotoren
US6634278B2 (en) * 2000-10-18 2003-10-21 Caterpillar Inc. Piston for an internal combustion engine and method of assembly
US6487773B2 (en) * 2001-03-23 2002-12-03 Mahle Gmbh Method of making one-piece piston
DE10209168B4 (de) * 2002-03-01 2004-06-03 Ks Kolbenschmidt Gmbh Stahlkolben mit Kühlkanal
DE10214830A1 (de) * 2002-04-04 2004-01-08 Mahle Gmbh Öleinlass für einen mit Kühlkanal versehenen Kolben eines Verbrennungsmotors
DE10301367A1 (de) * 2003-01-16 2004-07-29 Mahle Gmbh Verfahren zum Einbringen von Shakerbohrungen in den Kühlkanal eines einteiligen Kolbens
US6892690B2 (en) * 2003-10-06 2005-05-17 Mahle Gmbh Cooling channel cover for a one-piece piston of an internal combustion engine

Also Published As

Publication number Publication date
CN100445545C (zh) 2008-12-24
JP4422149B2 (ja) 2010-02-24
ES2293351T3 (es) 2008-03-16
BRPI0415222B1 (pt) 2013-02-19
DE10346822A1 (de) 2005-04-21
CN1863999A (zh) 2006-11-15
BRPI0415222A (pt) 2006-12-05
JP2007507642A (ja) 2007-03-29
WO2005035960A1 (de) 2005-04-21
US20090250033A1 (en) 2009-10-08
US7628134B2 (en) 2009-12-08
KR20070020184A (ko) 2007-02-20
DE502004004982D1 (de) 2007-10-25
EP1678417A1 (de) 2006-07-12
KR101156912B1 (ko) 2012-06-21

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