GB1415507A - Seal members - Google Patents

Seal members

Info

Publication number
GB1415507A
GB1415507A GB3287772A GB3287772A GB1415507A GB 1415507 A GB1415507 A GB 1415507A GB 3287772 A GB3287772 A GB 3287772A GB 3287772 A GB3287772 A GB 3287772A GB 1415507 A GB1415507 A GB 1415507A
Authority
GB
United Kingdom
Prior art keywords
aluminium
seal
alumina
alloy
grains
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
GB3287772A
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.)
ROPARCO Ltd
Original Assignee
ROPARCO 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 ROPARCO Ltd filed Critical ROPARCO Ltd
Priority to GB3287772A priority Critical patent/GB1415507A/en
Publication of GB1415507A publication Critical patent/GB1415507A/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
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
    • C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
    • C22C32/0036—Matrix based on Al, Mg, Be or alloys thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C19/00—Sealing arrangements in rotary-piston machines or engines
    • F01C19/005—Structure and composition of sealing elements such as sealing strips, sealing rings and the like; Coating of these elements

Landscapes

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

Abstract

1415507 Sintered Al-alumina seal member ROPARCO Ltd 24 Sept 1973 [13 July 1972] 32877/72 Headings C7A and C7D A rubbing seal for use in an engine or compressor and formed of a composite material made of grains of plate like particles of aluminium or aluminiumbased alloy and of alumina in the proportions of 55 to 80% aluminium on aluminium based alloy and 20 to 45% alumina, said grains being non- crystalline and randomly orientated and each grain having the plate like particles of which it is composed arranged with their major axes generally parallel to one another. The seal may be prepared by plasma arc spraying aluminium or aluminium alloy (e.g. Al 4% Cu, 2% Ni, 1.5% Mg, 0.2% Ti or Al 12% Si, 1% Mg, 1% Cu, 2% Ni) and alumina (e.g. Al 2 O 3 2.5% TiO 2 ) on to a rotating mandrel, stripping the coating from the mandrel and fragmenting it in a hammer mill, compacting and sintering at 510‹C using a graphite release agent. The seal may be in the form of an apex or side seal for a rotating piston machine or piston ring for a reciprocating piston machine which may comprise a cast iron block or housing.
GB3287772A 1972-07-13 1972-07-13 Seal members Expired GB1415507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3287772A GB1415507A (en) 1972-07-13 1972-07-13 Seal members

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3287772A GB1415507A (en) 1972-07-13 1972-07-13 Seal members

Publications (1)

Publication Number Publication Date
GB1415507A true GB1415507A (en) 1975-11-26

Family

ID=10345369

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3287772A Expired GB1415507A (en) 1972-07-13 1972-07-13 Seal members

Country Status (1)

Country Link
GB (1) GB1415507A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2183785A (en) * 1985-09-14 1987-06-10 Honda Motor Co Ltd Slide support members for pistons
WO2003074898A1 (en) * 2002-03-05 2003-09-12 Ceramtec Ag Innovative Ceramic Engineering Metal-ceramic composites for tribological uses and defined sliding/friction pairs based on said materials
EP2904216A4 (en) * 2012-10-01 2016-07-06 United Technologies Corp Aluminum based abradable material with reduced metal transfer to blades

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2183785A (en) * 1985-09-14 1987-06-10 Honda Motor Co Ltd Slide support members for pistons
US4757790A (en) * 1985-09-14 1988-07-19 Honda Giken Kogyo Kabushiki Kaisha Aluminum alloy slide support member
WO2003074898A1 (en) * 2002-03-05 2003-09-12 Ceramtec Ag Innovative Ceramic Engineering Metal-ceramic composites for tribological uses and defined sliding/friction pairs based on said materials
EP2904216A4 (en) * 2012-10-01 2016-07-06 United Technologies Corp Aluminum based abradable material with reduced metal transfer to blades
US10065243B2 (en) 2012-10-01 2018-09-04 United Technologies Corporation Aluminum based abradable material with reduced metal transfer to blades

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Legal Events

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

Effective date: 19920924