GB1321045A - Pistons - Google Patents

Pistons

Info

Publication number
GB1321045A
GB1321045A GB5986969A GB1321045DA GB1321045A GB 1321045 A GB1321045 A GB 1321045A GB 5986969 A GB5986969 A GB 5986969A GB 1321045D A GB1321045D A GB 1321045DA GB 1321045 A GB1321045 A GB 1321045A
Authority
GB
United Kingdom
Prior art keywords
piston
fibres
reinforcements
aluminium
coated
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
GB5986969A
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.)
Associated Engineering Ltd
Original Assignee
Associated Engineering Ltd
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
Priority claimed from GB02834/68A external-priority patent/GB1254697A/en
Application filed by Associated Engineering Ltd filed Critical Associated Engineering Ltd
Publication of GB1321045A publication Critical patent/GB1321045A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00Pistons 
    • F02F3/02Pistons  having means for accommodating or controlling heat expansion
    • F02F3/04Pistons  having means for accommodating or controlling heat expansion having expansion-controlling inserts
    • F02F3/047Pistons  having means for accommodating or controlling heat expansion having expansion-controlling inserts the inserts being located around the gudgeon pin bearings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/10Making specific metal objects by operations not covered by a single other subclass or a group in this subclass pistons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J1/00Pistons; Trunk pistons; Plungers
    • F16J1/001One-piece pistons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05CINDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00Metals
    • F05C2201/02Light metals
    • F05C2201/021Aluminium
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05CINDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2253/00Other material characteristics; Treatment of material
    • F05C2253/16Fibres

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)

Abstract

1321045 Welding by fusion; making pistons; casting metals ASSOCIATED ENG Ltd 19 April 1971 [21 Jan 1970] 59869/69 Addition to 1254697 Headings B3A B3F and B3R [Also in Division F2] A piston is reinforced in the region of the or each gudgeon pin bore 4 by a filamentary reinforcement of fibres of carbon, tungsten carbide, silicon nitride or silicon carbide. In the piston shown in Figs. 1 and 2, carbon fibre filaments 11 extend from the crown 1 through webs 8 supporting the gudgeon pin bosses and around the gudgeon pin bore 4. A mandrel 12, Fig. 3, is coated with a salt solution to form a parting layer which is plasma sprayed with aluminium. Successive layers of nickel coated carbon fibre filaments 11 are wound on the mandrel, each layer being sprayed after winding with aluminium 13. The composite of carbon fibres, nickel and aluminium is then cut to the required axial length and parted at 14 to provide the reinforcement which is hot pressed to remove porosity. The reinforcements are preferably cast in the piston but alternatively, may be inserted in slots in the piston and electron beam welded, vacuum brazed or otherwise bonded to the piston body. The reinforcements may also be formed by surrounding the filaments with powdered material and sintering the powder or, alternatively, by hot pressing fibres coated with metal. In a further method, molten metal incorporating the fibres is cast and the casting then extruded. In modifications Figs. 6-8 (not shown), the reinforcements are arranged as described in Figs. 6-8 of the parent specification.
GB5986969A 1968-03-15 1970-01-21 Pistons Expired GB1321045A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB02834/68A GB1254697A (en) 1968-03-15 1968-03-15 Pistons
GB5986969 1970-01-21

Publications (1)

Publication Number Publication Date
GB1321045A true GB1321045A (en) 1973-06-20

Family

ID=29422123

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5986969A Expired GB1321045A (en) 1968-03-15 1970-01-21 Pistons

Country Status (2)

Country Link
DE (1) DE1913202C3 (en)
GB (1) GB1321045A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0270139A1 (en) * 1986-11-21 1988-06-08 KOLBENSCHMIDT Aktiengesellschaft Light-weight piston for internal-combustion engines
GB2269882A (en) * 1992-08-19 1994-02-23 Ford Motor Co Internal combustion engine pistons
GB2509245A (en) * 2012-12-21 2014-06-25 Jaguar Land Rover Ltd Cast component with increased stiffness
GB2509246A (en) * 2012-12-21 2014-06-25 Jaguar Land Rover Ltd Cast component with MMC reinforcement and attachment bore
CN106640402A (en) * 2016-12-12 2017-05-10 日照金港活塞有限公司 Vacuum high-temperature brazing piston and manufacturing process thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3719121A1 (en) * 1987-06-06 1988-12-15 Mahle Gmbh Method for the production of an aluminium piston with fibre-reinforced areas for internal combustion engines
DE102005047908A1 (en) * 2005-10-06 2007-04-12 Federal-Mogul Nürnberg GmbH Internal combustion engine`s piston manufacturing method, involves providing fibers in reinforced area, where fibers have preferential direction that is selected such that preferential direction corresponds to direction of high stress

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0270139A1 (en) * 1986-11-21 1988-06-08 KOLBENSCHMIDT Aktiengesellschaft Light-weight piston for internal-combustion engines
GB2269882A (en) * 1992-08-19 1994-02-23 Ford Motor Co Internal combustion engine pistons
GB2509245A (en) * 2012-12-21 2014-06-25 Jaguar Land Rover Ltd Cast component with increased stiffness
GB2509246A (en) * 2012-12-21 2014-06-25 Jaguar Land Rover Ltd Cast component with MMC reinforcement and attachment bore
CN105008068A (en) * 2012-12-21 2015-10-28 捷豹路虎有限公司 Sleeve member and method of casting
GB2538017A (en) * 2012-12-21 2016-11-02 Jaguar Land Rover Ltd Sleeve member and method of casting
GB2509245B (en) * 2012-12-21 2017-04-05 Jaguar Land Rover Ltd A method of forming a component by casting into a MMC sleeve
GB2538017B (en) * 2012-12-21 2017-05-03 Jaguar Land Rover Ltd Automotive, aerospace or vessel component
GB2509246B (en) * 2012-12-21 2017-06-14 Jaguar Land Rover Ltd Component and method of formation thereof
CN106640402A (en) * 2016-12-12 2017-05-10 日照金港活塞有限公司 Vacuum high-temperature brazing piston and manufacturing process thereof

Also Published As

Publication number Publication date
DE1913202B2 (en) 1973-08-16
DE1913202A1 (en) 1969-10-02
DE1913202C3 (en) 1974-03-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years