DE2948057A1 - Verfahren zur gestaltung des randes einer brennraummulde eines leichtmetallkolbens - Google Patents

Verfahren zur gestaltung des randes einer brennraummulde eines leichtmetallkolbens

Info

Publication number
DE2948057A1
DE2948057A1 DE19792948057 DE2948057A DE2948057A1 DE 2948057 A1 DE2948057 A1 DE 2948057A1 DE 19792948057 DE19792948057 DE 19792948057 DE 2948057 A DE2948057 A DE 2948057A DE 2948057 A1 DE2948057 A1 DE 2948057A1
Authority
DE
Germany
Prior art keywords
piston
edge
light metal
remelting
charge carrier
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Withdrawn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
DE19792948057
Other languages
German (de)
English (en)
Inventor
Wolf-Udo Dr. 7107 Neckarsulm Zammert
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.)
Karl Schmidt GmbH
Original Assignee
Karl Schmidt 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6087166&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE2948057(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Karl Schmidt GmbH filed Critical Karl Schmidt GmbH
Priority to DE19792948057 priority Critical patent/DE2948057A1/de
Priority to EP80200930A priority patent/EP0030042B1/de
Priority to AT80200930T priority patent/ATE3380T1/de
Priority to DE8080200930T priority patent/DE3063353D1/de
Priority to ZA00806164A priority patent/ZA806164B/xx
Priority to US06/210,116 priority patent/US4345138A/en
Priority to BR8007699A priority patent/BR8007699A/pt
Priority to JP16904280A priority patent/JPS5689394A/ja
Publication of DE2948057A1 publication Critical patent/DE2948057A1/de
Withdrawn legal-status Critical Current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
    • 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
    • F02B23/0675—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 the combustion space being substantially spherical, hemispherical, ellipsoid or parabolic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/10—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass pistons
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F3/00—Changing the physical structure of non-ferrous metals or alloys by special physical methods, e.g. treatment with neutrons
    • 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
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/04—Heavy metals
    • F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0448—Steel
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49249—Piston making

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Welding Or Cutting Using Electron Beams (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Testing Of Engines (AREA)
  • Control Of Combustion (AREA)
DE19792948057 1979-11-29 1979-11-29 Verfahren zur gestaltung des randes einer brennraummulde eines leichtmetallkolbens Withdrawn DE2948057A1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE19792948057 DE2948057A1 (de) 1979-11-29 1979-11-29 Verfahren zur gestaltung des randes einer brennraummulde eines leichtmetallkolbens
EP80200930A EP0030042B1 (de) 1979-11-29 1980-10-02 Verfahren zur Gestaltung des Randes einer Brennraummulde eines Leichtmetallkolbens
AT80200930T ATE3380T1 (de) 1979-11-29 1980-10-02 Verfahren zur gestaltung des randes einer brennraummulde eines leichtmetallkolbens.
DE8080200930T DE3063353D1 (en) 1979-11-29 1980-10-02 Process for forming the rim of a combustion chamber of a light-metal piston
ZA00806164A ZA806164B (en) 1979-11-29 1980-10-06 Process of shaping the rim of a combustion chamber recess of a light-alloy piston
US06/210,116 US4345138A (en) 1979-11-29 1980-11-24 Process of shaping the rim of a combustion chamber recess of a light-alloy piston
BR8007699A BR8007699A (pt) 1979-11-29 1980-11-26 Processo para a configuracao da margem de uma concavidade de camara de combustao,prevista no fundo de um pistao de metal leve
JP16904280A JPS5689394A (en) 1979-11-29 1980-11-29 Method of molding edge section of concave section of combustion chamber of piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792948057 DE2948057A1 (de) 1979-11-29 1979-11-29 Verfahren zur gestaltung des randes einer brennraummulde eines leichtmetallkolbens

Publications (1)

Publication Number Publication Date
DE2948057A1 true DE2948057A1 (de) 1981-06-04

Family

ID=6087166

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19792948057 Withdrawn DE2948057A1 (de) 1979-11-29 1979-11-29 Verfahren zur gestaltung des randes einer brennraummulde eines leichtmetallkolbens
DE8080200930T Expired DE3063353D1 (en) 1979-11-29 1980-10-02 Process for forming the rim of a combustion chamber of a light-metal piston

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8080200930T Expired DE3063353D1 (en) 1979-11-29 1980-10-02 Process for forming the rim of a combustion chamber of a light-metal piston

Country Status (7)

Country Link
US (1) US4345138A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0030042B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5689394A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE3380T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8007699A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE2948057A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA806164B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10029810A1 (de) * 2000-06-16 2001-12-20 Mahle Gmbh Kolben für Dieselmotoren

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3114124A1 (de) * 1981-04-08 1982-10-28 Mahle Gmbh, 7000 Stuttgart Kolben aus aluminium mit hartoxidiertem boden
EP0077349B1 (en) * 1981-04-28 1985-02-06 Ae Plc Manufacture of pistons
DE3242673A1 (de) * 1981-04-28 1983-06-01 Ae Plc Herstellungsverfahren fuer kolben
JPH08951B2 (ja) * 1985-04-22 1996-01-10 マツダ株式会社 アルミニウム合金部材の製造方法
JPS6335760A (ja) * 1986-07-29 1988-02-16 Kobe Steel Ltd 耐摩耗性および耐熱性の優れたアルミニウム材料の製造法
ES2044640T3 (es) * 1987-09-24 1994-01-01 Buechler B Set Ag Procedimiento para la fabricacion de una paleta para la recepcion de piezas de trabajo.
DE4108272C2 (de) * 1991-03-14 1995-04-06 Hydraulik Ring Gmbh Kolbenschieberventil
DE10046420B4 (de) * 2000-09-20 2009-05-28 Mahle Gmbh Verfahren zur Herstellung einer Muldenrandverrundung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1117696A (en) * 1965-07-24 1968-06-19 Daimler Benz Ag Improvements relating to methods for surface hardening highly stressed parts by heat treatment
US3711908A (en) * 1970-08-27 1973-01-23 Ibm Method for forming small diameter tips on sintered material cathodes
US3802927A (en) * 1970-09-14 1974-04-09 N Gomada Apex seal for rotary piston engine and method of producing same
US3773565A (en) * 1970-11-27 1973-11-20 Skf Ind Inc Zone refining
DE2124595C3 (de) 1971-05-18 1973-10-31 Mahle, Gmbh, 7000 Stuttgart Verfahren zum Herstellen von Leicht metallkolben mit einer im Kolbenboden an geordneten Brennraummulde
GB1373987A (en) * 1972-07-27 1974-11-13 Mahle Gmbh Method of manufacturing pistons
DE2507899C3 (de) 1975-02-24 1980-06-04 Karl Schmidt Gmbh, 7107 Neckarsulm Leichtmetallkolben fur Dieselbrennkraftmaschinen
GB1571795A (en) * 1975-12-01 1980-07-16 Manuf Belge D Aiguilles Sa Smoothing the eyes of metal needles
CA1095387A (en) * 1976-02-17 1981-02-10 Conrad M. Banas Skin melting
DE2612833A1 (de) * 1976-03-26 1977-10-06 Aeg Elotherm Gmbh Zylinderkopf aus gusseisen fuer verbrennungskraftmaschinen mit einer eingearbeiteten ventiloeffnung und verfahren zur herstellung desselben
US4157923A (en) * 1976-09-13 1979-06-12 Ford Motor Company Surface alloying and heat treating processes
JPS558411A (en) * 1978-06-30 1980-01-22 Hitachi Ltd Nitriding method for aluminum or aluminum alloy in molten state
JPS6045247B2 (ja) * 1978-07-07 1985-10-08 住友金属工業株式会社 高エネルギ−ビ−ムによる鋼製品表面の熱処理方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10029810A1 (de) * 2000-06-16 2001-12-20 Mahle Gmbh Kolben für Dieselmotoren
US6877473B2 (en) 2000-06-16 2005-04-12 Mahle Gmbh Diesel engine piston

Also Published As

Publication number Publication date
ATE3380T1 (de) 1983-06-15
EP0030042B1 (de) 1983-05-18
DE3063353D1 (en) 1983-07-07
ZA806164B (en) 1981-09-30
JPH0138852B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-08-16
BR8007699A (pt) 1981-06-09
EP0030042A1 (de) 1981-06-10
JPS5689394A (en) 1981-07-20
US4345138A (en) 1982-08-17

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