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GB1373987A - Method of manufacturing pistons - Google Patents

Method of manufacturing pistons

Info

Publication number
GB1373987A
GB1373987A GB3528072A GB3528072A GB1373987A GB 1373987 A GB1373987 A GB 1373987A GB 3528072 A GB3528072 A GB 3528072A GB 3528072 A GB3528072 A GB 3528072A GB 1373987 A GB1373987 A GB 1373987A
Authority
GB
United Kingdom
Prior art keywords
seams
piston
recess
partly
combustion chamber
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.)
Expired
Application number
GB3528072A
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
Priority to GB3528072A priority Critical patent/GB1373987A/en
Publication of GB1373987A publication Critical patent/GB1373987A/en
Expired 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
    • 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
    • F02B23/0603—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 at least part of the interior volume or the wall of the combustion space being made of material different from the surrounding piston part, e.g. combustion space formed within a ceramic part fixed to a metal piston head
    • F02B2023/0612—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 at least part of the interior volume or the wall of the combustion space being made of material different from the surrounding piston part, e.g. combustion space formed within a ceramic part fixed to a metal piston head the material having a high temperature and pressure resistance, e.g. ceramic
    • 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
    • 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)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

1373987 Making pistons MAHLE GmbH 27 July 1972 35280/72 Heading B3A To form a light metal piston with a dished combustion chamber in the piston head 1, a blank, Fig. 1, formed with a recess 2, to be enlarged to form the combustion chamber, has a charge carrier beam applied to the surface in which the recess is provided to produce two or three parallel remelting seams 6, Fig. 4, the beam being oscillated transversely to the general direction of the seams to cause overlapping of the seams. The recess is then machined to run over the area 5 comprising partly piston material and partly remelted material so that the rim 3 of the final piston chamber is defined by remelted material. Suggested apparatus for producing the charge carrier beam is an electron beam welding machine.
GB3528072A 1972-07-27 1972-07-27 Method of manufacturing pistons Expired GB1373987A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3528072A GB1373987A (en) 1972-07-27 1972-07-27 Method of manufacturing pistons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3528072A GB1373987A (en) 1972-07-27 1972-07-27 Method of manufacturing pistons

Publications (1)

Publication Number Publication Date
GB1373987A true GB1373987A (en) 1974-11-13

Family

ID=10375937

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3528072A Expired GB1373987A (en) 1972-07-27 1972-07-27 Method of manufacturing pistons

Country Status (1)

Country Link
GB (1) GB1373987A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982003813A1 (en) * 1981-04-28 1982-11-11 Plc Ae Manufacture of pistons
EP0030042B1 (en) * 1979-11-29 1983-05-18 Karl Schmidt Gmbh Process for forming the rim of a combustion chamber of a light-metal piston
DE3242673A1 (en) * 1981-04-28 1983-06-01 Ae Plc MANUFACTURING PROCESS FOR PISTON
FR2537484A1 (en) * 1982-12-09 1984-06-15 Zentralinstitut Schweiss PROCESS FOR THE MELT TREATMENT, IN PARTICULAR OF ENGINE PISTONS BY MEANS OF AN ELECTRONIC BEAM

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030042B1 (en) * 1979-11-29 1983-05-18 Karl Schmidt Gmbh Process for forming the rim of a combustion chamber of a light-metal piston
WO1982003813A1 (en) * 1981-04-28 1982-11-11 Plc Ae Manufacture of pistons
JPS58500571A (en) * 1981-04-28 1983-04-14 エ−イ−　ピ−エルシ− Manufacture of pistons
DE3242673A1 (en) * 1981-04-28 1983-06-01 Ae Plc MANUFACTURING PROCESS FOR PISTON
FR2537484A1 (en) * 1982-12-09 1984-06-15 Zentralinstitut Schweiss PROCESS FOR THE MELT TREATMENT, IN PARTICULAR OF ENGINE PISTONS BY MEANS OF AN ELECTRONIC BEAM

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee