BR112015001042A2 - pistão para um motor de combustão interna - Google Patents

pistão para um motor de combustão interna

Info

Publication number
BR112015001042A2
BR112015001042A2 BR112015001042A BR112015001042A BR112015001042A2 BR 112015001042 A2 BR112015001042 A2 BR 112015001042A2 BR 112015001042 A BR112015001042 A BR 112015001042A BR 112015001042 A BR112015001042 A BR 112015001042A BR 112015001042 A2 BR112015001042 A2 BR 112015001042A2
Authority
BR
Brazil
Prior art keywords
piston
der
einen
kolbenringelement
surrounding
Prior art date
Application number
BR112015001042A
Other languages
English (en)
Inventor
Linke Timo
Original Assignee
Mahle Int 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 Int Gmbh filed Critical Mahle Int Gmbh
Publication of BR112015001042A2 publication Critical patent/BR112015001042A2/pt

Links

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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0672—Omega-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder center axis
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0678—Unconventional, complex or non-rotationally symmetrical shapes of the combustion space, e.g. flower like, having special shapes related to the orientation of the fuel spray jets
    • F02B23/069—Unconventional, complex or non-rotationally symmetrical shapes of the combustion space, e.g. flower like, having special shapes related to the orientation of the fuel spray jets characterised by its eccentricity from the cylinder axis
    • 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 
    • F02F3/0015—Multi-part pistons
    • 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 
    • F02F3/0015—Multi-part pistons
    • F02F3/003—Multi-part pistons the parts being connected by casting, brazing, welding or clamping
    • F02F2003/0061—Multi-part pistons the parts being connected by casting, brazing, welding or clamping by welding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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)

Abstract

abstract: (de)die vorliegende erfindung betrifft einen kolben (10, 110) für einen verbrennungsmotor mit einem kolbenkopf (13, 113) und einem kolbenschaft (14, 114), wobei der kolben (10, 110) einen kolbengrundkörper (11, 111) und ein kolbenringelement (12, 112) aufweist, dadurch gekennzeichnet, dass der kolbengrundkörper (11, 111) eine gegenüber der mittelachse (m) des kolbens (10, 110) radial versetzte und/oder gekippte verbrennungsmulde (21, 121), einen teil (19a) eines kolbenbodens sowie den kolbenschaft (14, 114) aufweist, dass das kolbenringelement (12, 112) einen teil (19b) eines kolbenbodens, einen umlaufenden feuersteg (22, 122) und eine mit ringnuten versehene umlaufende ringpartie (23, 123) aufweist, dass der kolbengrundkörper (11, 111) und das kolbenringelement (12, 112) einen umlaufenden kühlkanal (24, 124) ausbilden, der zwischen einer äußeren mantelfläche (25, 125) im bereich der verbrennungsmulde (21, 121) und einer inneren mantelfläche (26, 126) im bereich der ringpartie (22, 123) ausgebildet ist, dass der kolbengrundkörper (11, 111) und das kolbenringelement (12, 112) im bereich des kolbenbodens (19a, 19b) eine umlaufende fügenaht (28, 128) aufweisen, über welche sie unlösbar miteinander verbunden sind. ---------------------------------------------------------------------------------------------------------- tradução do resumo resumo patente de invenção: "pistão para um motor de combustão interna". a presente invenção refere-se a um pistão (10, 110) para um motor de combustão interna, com uma cabeça de pistão (13,113) e um corpo de pistão (14,114), sendo que o pistão (10, 110) apresenta um corpo básico de pistão (11, 111) e um elemento de segmento de pistão (12,112), caracterizado pelo fato de que o corpo básico de pistão (11, 111) apresenta uma cava de combustão (21, 121) radialmente deslocada e/ou virada, uma parte (19a) de um fundo de pistão, bem como o corpo de pistão (14, 114), que o elemento de segmento de pis-tão (12, 112) apresenta uma parte (19b) de um fundo de pistão, uma nervura corta-fogo circundante, e uma parte de anel (23, 123) circun-dante, que o corpo básico de pistão (11, 111) e o elemento de segmento de pistão (12, 112), formam um canal de refrigeração (24, 124) circundante, que está formado entre uma superfície lateral externa (25, 125), na região da cava de combustão (21, 121) e uma superfície lateral interna (26, 126), na região da parte do anel (22, 123), que o corpo básico de pistão (11, 111) e o elemento de segmento de pistão (12, 112) apresentam na região do fundo de pistão (19a, 19b) uma costura de junção (28, 128) circundante, através da qual eles estão conectados um ao outro de modo não desprendível.
BR112015001042A 2012-07-18 2013-07-18 pistão para um motor de combustão interna BR112015001042A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012014188.2A DE102012014188A1 (de) 2012-07-18 2012-07-18 Kolben für einen Verbrennungsmotor
PCT/DE2013/000403 WO2014012530A1 (de) 2012-07-18 2013-07-18 Kolben für einen verbrennungsmotor

Publications (1)

Publication Number Publication Date
BR112015001042A2 true BR112015001042A2 (pt) 2017-06-27

Family

ID=49036397

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015001042A BR112015001042A2 (pt) 2012-07-18 2013-07-18 pistão para um motor de combustão interna

Country Status (7)

Country Link
US (1) US20150176524A1 (pt)
EP (1) EP2880293A1 (pt)
JP (1) JP2015522136A (pt)
CN (1) CN104487687A (pt)
BR (1) BR112015001042A2 (pt)
DE (1) DE102012014188A1 (pt)
WO (1) WO2014012530A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105422306A (zh) * 2014-07-11 2016-03-23 马勒技术投资(中国）有限公司 用于内燃机的活塞
CN105257392B (zh) * 2015-11-08 2017-09-12 张元东 活塞式内燃机压缩气体捂燃增压技术
DE102017210818A1 (de) * 2017-06-27 2018-12-27 Mahle International Gmbh Verfahren zur Herstellung eines Kolbens für eine Brennkraftmaschine aus einem Kolbenoberteil und aus einem Kolbenunterteil
US10865734B2 (en) 2017-12-06 2020-12-15 Ai Alpine Us Bidco Inc Piston assembly with offset tight land profile
US11118533B1 (en) * 2020-06-02 2021-09-14 Caterpillar Inc. Piston for internal combustion engine having congruous combustion bowl and gallery surfaces and method of making the same

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1057816B (de) * 1956-09-08 1959-05-21 Daimler Benz Ag Viertakt-Einspritzbrennkraftmaschine
DE1245640B (de) * 1964-11-25 1967-07-27 Mahle Kg Kolben fuer Brennkraftmaschinen
GB1117610A (en) * 1965-06-29 1968-06-19 John Peter Hindley Internal combustion engine piston assemblies
DE3841548A1 (de) * 1988-12-09 1990-06-13 Kloeckner Humboldt Deutz Ag Brennkraftmaschine
BR9004990A (pt) * 1990-09-28 1992-03-31 Metal Leve Sa Processo de fabricacao de cabeca de embolo articulado e embolo articulado
FR2713282B1 (fr) * 1993-12-01 1996-02-23 Peugeot Moteur à allumage par compression à injection directe, à combustion améliorée.
JPH07180605A (ja) * 1993-12-22 1995-07-18 Yanmar Diesel Engine Co Ltd ピストンおよびその製造方法
JP4415497B2 (ja) * 2000-03-29 2010-02-17 マツダ株式会社 火花点火式直噴エンジン
US6532913B1 (en) * 2001-11-27 2003-03-18 Caterpillar Inc Piston cooling fin
AT5997U1 (de) * 2002-01-10 2003-02-25 Avl List Gmbh Kolben für eine luftverdichtende brennkraftmaschine
DE10326456A1 (de) * 2003-06-12 2004-12-30 Mahle Gmbh Kolben für einen Verbrennungsmotor
US20060207424A1 (en) * 2005-03-18 2006-09-21 Federal--Mogul World Wide, Inc. Piston and method of manufacture
DE102005044597A1 (de) * 2005-09-17 2007-03-29 Mahle International Gmbh Kolben für einen Verbrennungsmotor
DE102007044106A1 (de) * 2007-09-15 2009-03-19 Mahle International Gmbh Zweiteiliger Kolben für einen Verbrennungsmotor
DE102007050213A1 (de) * 2007-10-20 2009-04-23 Mahle International Gmbh Kolben für einen Verbrennungsmotor
DE102008038325A1 (de) * 2007-12-20 2009-06-25 Mahle International Gmbh Verfahren zum Befestigen eines Ringelementes auf einem Kolben für einen Verbrennungsmotor
US20100108044A1 (en) * 2008-11-06 2010-05-06 International Engine Intellectual Property Company, Llc Combustion Chamber with Double Convex Surfaces and Double Concave Surfaces
US9856820B2 (en) * 2010-10-05 2018-01-02 Mahle International Gmbh Piston assembly
DE102010056220A1 (de) * 2010-12-24 2012-06-28 Mahle International Gmbh Kolben für einen Verbrennungsmotor
DE102011111319A1 (de) 2011-08-26 2013-02-28 Mahle International Gmbh Kolben für einen Verbrennungsmotor

Also Published As

Publication number Publication date
WO2014012530A1 (de) 2014-01-23
EP2880293A1 (de) 2015-06-10
JP2015522136A (ja) 2015-08-03
US20150176524A1 (en) 2015-06-25
CN104487687A (zh) 2015-04-01
DE102012014188A1 (de) 2014-01-23

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 4A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]