FR2087481A5 - Cast iron piston rings - for combustion and steam engines - and compressors - Google Patents

Cast iron piston rings - for combustion and steam engines - and compressors

Info

Publication number
FR2087481A5
FR2087481A5 FR7018425A FR7018425A FR2087481A5 FR 2087481 A5 FR2087481 A5 FR 2087481A5 FR 7018425 A FR7018425 A FR 7018425A FR 7018425 A FR7018425 A FR 7018425A FR 2087481 A5 FR2087481 A5 FR 2087481A5
Authority
FR
France
Prior art keywords
cast iron
compressors
combustion
piston rings
steam engines
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
FR7018425A
Other languages
French (fr)
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.)
INST CERCETARI
Original Assignee
INST CERCETARI
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 INST CERCETARI filed Critical INST CERCETARI
Priority to FR7018425A priority Critical patent/FR2087481A5/en
Application granted granted Critical
Publication of FR2087481A5 publication Critical patent/FR2087481A5/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/04—Cast-iron alloys containing spheroidal graphite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00—Centrifugal casting; Casting by using centrifugal force
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/126—Cylinder liners
    • 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
    • F16J10/00—Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
    • F16J10/02—Cylinders designed to receive moving pistons or plungers
    • F16J10/04—Running faces; Liners
    • 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
    • F05C2203/00—Non-metallic inorganic materials
    • F05C2203/08—Ceramics; Oxides
    • F05C2203/0865—Oxide ceramics
    • F05C2203/0882—Carbon, e.g. graphite

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

The piston rings are produced by sand casting a grey cast iron melt contg. 4.0-5.0% Si, 0.6-1.2% Mn and 0.2-0.7% P, which has been treated with Bi, the cast structure being composed of cementite, perlite, ledeburite and P eutectic. The rings are then subjected to a heat treatment.
FR7018425A 1970-05-21 1970-05-21 Cast iron piston rings - for combustion and steam engines - and compressors Expired FR2087481A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7018425A FR2087481A5 (en) 1970-05-21 1970-05-21 Cast iron piston rings - for combustion and steam engines - and compressors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7018425A FR2087481A5 (en) 1970-05-21 1970-05-21 Cast iron piston rings - for combustion and steam engines - and compressors

Publications (1)

Publication Number Publication Date
FR2087481A5 true FR2087481A5 (en) 1971-12-31

Family

ID=9055827

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7018425A Expired FR2087481A5 (en) 1970-05-21 1970-05-21 Cast iron piston rings - for combustion and steam engines - and compressors

Country Status (1)

Country Link
FR (1) FR2087481A5 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2726035A1 (en) * 1994-10-25 1996-04-26 Man B & W Diesel Ag CYLINDER SHIRT FOR AN INTERNAL COMBUSTION ENGINE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2726035A1 (en) * 1994-10-25 1996-04-26 Man B & W Diesel Ag CYLINDER SHIRT FOR AN INTERNAL COMBUSTION ENGINE

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Legal Events

Date Code Title Description
ST Notification of lapse