GB483993A - Improvements in and relating to pistons for internal combustion engines - Google Patents

Improvements in and relating to pistons for internal combustion engines

Info

Publication number
GB483993A
GB483993A GB2623136A GB2623136A GB483993A GB 483993 A GB483993 A GB 483993A GB 2623136 A GB2623136 A GB 2623136A GB 2623136 A GB2623136 A GB 2623136A GB 483993 A GB483993 A GB 483993A
Authority
GB
United Kingdom
Prior art keywords
per cent
pistons
relating
internal combustion
light metal
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
GB2623136A
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.)
SPECIALLOID Ltd
Original Assignee
SPECIALLOID 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
Application filed by SPECIALLOID Ltd filed Critical SPECIALLOID Ltd
Priority to GB2623136A priority Critical patent/GB483993A/en
Publication of GB483993A publication Critical patent/GB483993A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/12—Details
    • F16J9/22—Rings for preventing wear of grooves or like seatings
    • 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 
    • F02F3/02—Pistons  having means for accommodating or controlling heat expansion
    • F02F3/04—Pistons  having means for accommodating or controlling heat expansion having expansion-controlling inserts
    • F02F3/08—Pistons  having means for accommodating or controlling heat expansion having expansion-controlling inserts the inserts being ring-shaped
    • 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
    • F05C2201/02—Light metals
    • F05C2201/021—Aluminium
    • 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
    • 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
    • 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
    • F05C2251/00—Material properties
    • F05C2251/04—Thermal properties
    • F05C2251/042—Expansivity

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)

Abstract

In a light metal piston having an insert of austenitic cast iron or steel, the iron &c. has a coefficient of expansion which is more than 10 per cent less than that of the light metal and may be about 20 per cent less. A suitable light metal comprises 4 per cent copper, 2 per cent nickel, 1 1/2 per cent magnesium, and balance aluminium. The austenitic cast iron may comprise 3,5 per cent carbon, 2 per cent silicon, 0,2 per cent phosphorus, 0,9 per cent manganese, 12-16 per cent nickel, 2,25 per cent chromium, and 6 per cent copper.
GB2623136A 1936-09-28 1936-09-28 Improvements in and relating to pistons for internal combustion engines Expired GB483993A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2623136A GB483993A (en) 1936-09-28 1936-09-28 Improvements in and relating to pistons for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2623136A GB483993A (en) 1936-09-28 1936-09-28 Improvements in and relating to pistons for internal combustion engines

Publications (1)

Publication Number Publication Date
GB483993A true GB483993A (en) 1938-04-28

Family

ID=10240387

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2623136A Expired GB483993A (en) 1936-09-28 1936-09-28 Improvements in and relating to pistons for internal combustion engines

Country Status (1)

Country Link
GB (1) GB483993A (en)

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