FR2359334A1 - Piston en metal leger - Google Patents

Piston en metal leger

Info

Publication number
FR2359334A1
FR2359334A1 FR7722606A FR7722606A FR2359334A1 FR 2359334 A1 FR2359334 A1 FR 2359334A1 FR 7722606 A FR7722606 A FR 7722606A FR 7722606 A FR7722606 A FR 7722606A FR 2359334 A1 FR2359334 A1 FR 2359334A1
Authority
FR
France
Prior art keywords
expansion
light metal
compressor
engine
main body
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
FR7722606A
Other languages
English (en)
Other versions
FR2359334B1 (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.)
Federal Mogul Bradford Ltd
Original Assignee
Hepworth and Grandage 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 GB30948/76A external-priority patent/GB1582140A/en
Application filed by Hepworth and Grandage Ltd filed Critical Hepworth and Grandage Ltd
Publication of FR2359334A1 publication Critical patent/FR2359334A1/fr
Application granted granted Critical
Publication of FR2359334B1 publication Critical patent/FR2359334B1/fr
Granted 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
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/04—Resilient guiding parts, e.g. skirts, particularly for trunk pistons
    • F16J1/06—Resilient guiding parts, e.g. skirts, particularly for trunk pistons with separate expansion members; Expansion members
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Compressor (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

L'invention a pour but de perfectionner les pistons en métal léger avec deux organes incorporés de commande de dilatation ayant un coefficient de dilatation inférieur à celui du métal Les organes incorporés 107 séparent le métal léger de la jupe de piston 23 de celui de la ceinture 21 porte-segments le long des faces de poussée opposées 25 du piston en débouchant dans une gorge 22 pour segment de piston et ils sont disposés pratiquement de façon symétrique de chaque côté de l'axe de poussée du piston, les extrémités libres d'un organe incorporé étant disposées du même côté de l'axe de piston Le piston s'applique aux moteurs à combustion et aux compresseurs à mouvement alternatif.
FR7722606A 1976-07-24 1977-07-22 Piston en metal leger Granted FR2359334A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB30948/76A GB1582140A (en) 1976-07-24 1976-07-24 Light metal pistons
GB3529376 1976-08-25

Publications (2)

Publication Number Publication Date
FR2359334A1 true FR2359334A1 (fr) 1978-02-17
FR2359334B1 FR2359334B1 (fr) 1982-02-12

Family

ID=26260675

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7722606A Granted FR2359334A1 (fr) 1976-07-24 1977-07-22 Piston en metal leger

Country Status (10)

Country Link
JP (1) JPS5314218A (fr)
AU (1) AU507668B2 (fr)
BR (1) BR7704827A (fr)
CA (1) CA1067769A (fr)
DE (1) DE2733269A1 (fr)
ES (1) ES460997A1 (fr)
FR (1) FR2359334A1 (fr)
IN (1) IN148225B (fr)
IT (1) IT1079329B (fr)
NZ (1) NZ184707A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2360759A1 (fr) * 1976-08-06 1978-03-03 Wellworthy Ltd Piston en alliage leger

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2841980A1 (de) * 1978-09-27 1980-04-17 Schmidt Gmbh Karl Leichtkolben fuer brennkraftmaschinen
DE2941215C2 (de) * 1979-10-11 1988-05-26 Schott Glaswerke, 6500 Mainz Gelbe alkalifreie thermisch hoch belastbare Einschmelzgläser im System SiO↓2↓-Al↓2↓O↓3↓-Erdalkalioxide für Molybdän
DE3430132A1 (de) * 1984-08-16 1986-02-27 Mahle Gmbh, 7000 Stuttgart Aluminium-tauchkolben fuer verbrennungsmotoren mit regelstreifen
DE3430258A1 (de) * 1984-08-17 1986-02-27 Mahle Gmbh, 7000 Stuttgart Tauchkolben fuer verbrennungsmotoren

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2360759A1 (fr) * 1976-08-06 1978-03-03 Wellworthy Ltd Piston en alliage leger

Also Published As

Publication number Publication date
JPS5314218A (en) 1978-02-08
AU2725577A (en) 1979-01-25
DE2733269A1 (de) 1978-01-26
AU507668B2 (en) 1980-02-21
CA1067769A (fr) 1979-12-11
BR7704827A (pt) 1978-05-02
NZ184707A (en) 1980-05-27
IT1079329B (it) 1985-05-08
IN148225B (fr) 1980-12-13
FR2359334B1 (fr) 1982-02-12
ES460997A1 (es) 1978-05-01

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Legal Events

Date Code Title Description
ST Notification of lapse