GB2109713A - Manufacture of pistons - Google Patents

Manufacture of pistons

Info

Publication number
GB2109713A
GB2109713A GB08235842A GB8235842A GB2109713A GB 2109713 A GB2109713 A GB 2109713A GB 08235842 A GB08235842 A GB 08235842A GB 8235842 A GB8235842 A GB 8235842A GB 2109713 A GB2109713 A GB 2109713A
Authority
GB
United Kingdom
Prior art keywords
feature
piston
pistons
manufacture
aluminium
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
GB08235842A
Other versions
GB2109713B (en
Inventor
Anthony Frederick Grogan
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.)
AE PLC
Original Assignee
AE PLC
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=10521420&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB2109713(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by AE PLC filed Critical AE PLC
Publication of GB2109713A publication Critical patent/GB2109713A/en
Application granted granted Critical
Publication of GB2109713B publication Critical patent/GB2109713B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
    • 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

Abstract

A recessed crown piston (10) of aluminium or aluminium alloy is manufactured by, either before or after machining a piston feature, treating the feature or the part of the piston which is to form the feature. The treatment is by the use of a laser beam, for example, and improves the mechanical properties of the feature or region to make it more resistant to damage. Similar techniques are applied to other piston parts.
GB08235842A 1981-04-28 1982-04-27 Manufacture of pistons Expired GB2109713B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8113045 1981-04-28

Publications (2)

Publication Number Publication Date
GB2109713A true GB2109713A (en) 1983-06-08
GB2109713B GB2109713B (en) 1985-09-18

Family

ID=10521420

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08235842A Expired GB2109713B (en) 1981-04-28 1982-04-27 Manufacture of pistons

Country Status (6)

Country Link
EP (1) EP0077349B1 (en)
JP (1) JPS58500571A (en)
AU (1) AU547092B2 (en)
GB (1) GB2109713B (en)
IT (1) IT1208474B (en)
WO (1) WO1982003813A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1179061B (en) * 1984-08-20 1987-09-16 Fiat Auto Spa PROCEDURE FOR CARRYING OUT A TREATMENT ON METAL PIECES WITH THE ADDITION OF A VALUE MATERIAL AND WITH THE USE OF A POWER LASER
US4743733A (en) 1984-10-01 1988-05-10 General Electric Company Method and apparatus for repairing metal in an article
CH675260A5 (en) * 1988-07-19 1990-09-14 Sulzer Ag
DE4028479C2 (en) * 1990-09-07 1994-06-23 Daimler Benz Ag Process for the partial near-surface heat treatment of aluminum parts of an internal combustion engine
DE4205307C1 (en) * 1992-02-21 1993-08-19 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De Partial surface-wear heat treatment of aluminium@ components of IC engines - by temporarily heating using high energy beam then cooling into deeper and adjoining regions
DE4304134C1 (en) * 1993-02-11 1994-09-15 Albert Handtmann Metallguswerk Process for the production of castings
DE10059903B4 (en) * 2000-12-01 2004-07-15 Federal-Mogul Nürnberg GmbH Piston with wear protection layer
RU2550287C1 (en) * 2013-12-30 2015-05-10 Федеральное государственное бюджетное учреждение науки Институт механики им. Р.Р. Мавлютова Уфимского научного центра Российской академии наук Piston with anti-cavitation surface for fuel metering device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014771A (en) * 1958-05-21 1961-12-26 Alco Products Inc Pistons
GB1373987A (en) * 1972-07-27 1974-11-13 Mahle Gmbh Method of manufacturing pistons
DE2507899C3 (en) * 1975-02-24 1980-06-04 Karl Schmidt Gmbh, 7107 Neckarsulm Light alloy pistons for diesel internal combustion engines
DE2612833A1 (en) * 1976-03-26 1977-10-06 Aeg Elotherm Gmbh Valve seat for cast iron cylinder head - has valve seat hardened by partial local melting using rotating arc burner
DE2835332C2 (en) 1978-08-11 1982-06-24 Messer Griesheim Gmbh, 6000 Frankfurt Piston with an aluminum alloy body
US4233490A (en) * 1979-06-20 1980-11-11 Shalai Alexandr N Method of reinforcing aluminium alloy piston ring groove
DE2930552C2 (en) 1979-07-27 1984-02-09 Mahle Gmbh, 7000 Stuttgart Reinforced bars in the ring belt of an aluminum piston
DE2948057A1 (en) * 1979-11-29 1981-06-04 Karl Schmidt Gmbh, 7107 Neckarsulm METHOD FOR DESIGNING THE EDGE OF A COMBUSTION TUB OF A LIGHT METAL PISTON

Also Published As

Publication number Publication date
JPS58500571A (en) 1983-04-14
AU8335882A (en) 1982-12-07
EP0077349B1 (en) 1985-02-06
JPH0132304B2 (en) 1989-06-30
GB2109713B (en) 1985-09-18
WO1982003813A1 (en) 1982-11-11
AU547092B2 (en) 1985-10-03
IT8220965A0 (en) 1982-04-27
EP0077349A1 (en) 1983-04-27
IT1208474B (en) 1989-07-10

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Legal Events

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