FR2513153A1 - PISTON FOR INTERNAL COMBUSTION ENGINE AND METHOD FOR MANUFACTURING THE SAME - Google Patents
PISTON FOR INTERNAL COMBUSTION ENGINE AND METHOD FOR MANUFACTURING THE SAME Download PDFInfo
- Publication number
- FR2513153A1 FR2513153A1 FR8215983A FR8215983A FR2513153A1 FR 2513153 A1 FR2513153 A1 FR 2513153A1 FR 8215983 A FR8215983 A FR 8215983A FR 8215983 A FR8215983 A FR 8215983A FR 2513153 A1 FR2513153 A1 FR 2513153A1
- Authority
- FR
- France
- Prior art keywords
- piston
- fibers
- felt
- whiskers
- mold
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 238000002485 combustion reaction Methods 0.000 title claims description 8
- 238000000034 method Methods 0.000 title claims description 7
- 239000000835 fiber Substances 0.000 claims abstract description 20
- 229910001234 light alloy Inorganic materials 0.000 claims abstract description 19
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- ZUPBPXNOBDEWQT-UHFFFAOYSA-N [Si].[Ni].[Cu] Chemical compound [Si].[Ni].[Cu] ZUPBPXNOBDEWQT-UHFFFAOYSA-N 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000012779 reinforcing material Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims description 2
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 description 5
- 229910000906 Bronze Inorganic materials 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 229910018540 Si C Inorganic materials 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/0009—Cylinders, pistons
- B22D19/0027—Cylinders, pistons pistons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/14—Casting in, on, or around objects which form part of the product the objects being filamentary or particulate in form
-
- 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
-
- 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
- F02F3/10—Pistons having surface coverings
- F02F3/12—Pistons having surface coverings on piston heads
-
- 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
- F02F2200/00—Manufacturing
- F02F2200/06—Casting
-
- 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
- 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
- F05C2253/00—Other material characteristics; Treatment of material
- F05C2253/16—Fibres
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
L'INVENTION CONCERNE LES PISTONS DONT LE SOMMET EST RENFORCE. ELLE SE RAPPORTE A UN PISTON QUI EST FORME D'UN ALLIAGE LEGER 2 ET DONT LE SOMMET EST RENFORCE PAR UN FEUTRE 1 DE TRICHITES OU DE FIBRES, PAR EXEMPLE D'ALUMINE. LA PIECE EST REALISEE PAR MOULAGE SOUS UNE PRESSION SUFFISANTE POUR QUE L'ALLIAGE LEGER IMPREGNE BIEN LE FEUTRE. APPLICATION A LA FABRICATION DES PISTONS DES MOTEURS DIESEL.THE INVENTION CONCERNS PISTONS WHOSE TOP IS REINFORCED. IT RELATES TO A PISTON WHICH IS SHAPED FROM A LIGHT ALLOY 2 AND THE TOP OF WHICH IS REINFORCED BY A FELT 1 OF TRICHITES OR FIBERS, FOR EXAMPLE OF ALUMINA. THE PART IS MADE BY MOLDING UNDER SUFFICIENT PRESSURE SO THAT THE LIGHT ALLOY WELL IMPREGNATES THE FELT. APPLICATION TO THE MANUFACTURE OF PISTONS FOR DIESEL ENGINES.
Description
La présente invention concerne les pistons desThe present invention relates to the pistons of
moteurs à combustion interne.internal combustion engines.
On sait qu'un piston d'alliage léger, par exemple d'alliage d'aluminium et notamment un piston de moteur diesel ayant une cuvette de combustion, peut présenter une fissu- It is known that a piston of light alloy, for example aluminum alloy and in particular a diesel engine piston having a combustion bowl, may have a crack.
ration à son sommet, dans certains cycles de fonctionnement. at its peak, in certain operating cycles.
Une telle fissuration est surtout importante autour du bord de la cuvette de combustion et elle peut être particulièrement Such cracking is especially important around the edge of the combustion bowl and it can be particularly
importante lorsque cette cuvette est du type rentrant. important when this bowl is of the reentrant type.
On sait aussi qu'on peut éliminer une telle fis- We also know that we can eliminate such fis-
suration par utilisation d'un organe de renforcements enrobé suration by use of a coated reinforcing member
lors du moulage et formé d'alliages de cuivre ayant une ré- during molding and formed from copper alloys having a
sistance mécanique élevée et une conductibilité thermique élevée, par exemple d'alliages de cuivre au beryllium et high mechanical strength and high thermal conductivity, for example beryllium copper alloys and
de bronze du type cuivre-nickel-silicium, le bord de la cu- copper-nickel-silicon type bronze, the edge of the
vette de combustion, susceptible de se fissurer, étant usiné vette of combustion, likely to crack, being machined
dans l'alliage de cuivre.in the copper alloy.
Comme la résistance mécanique de l'alliage d'alu- As the mechanical strength of the aluminum alloy
minium placé au sommet du piston, autour de l'organe de ren- placed at the top of the piston, around the
forcement d'alliage de cuivre, ne peut pas supporter les contraintes imposées par les forces d'inertie de l'organe de renforcement d'alliage de cuivre, on doit habituellement fixer l'organe de renforcement par des pieds en saillie (qui peuvent être formés d'acier inoxydable ou d'alliage de cuivre), Forced from copper alloy, can not withstand the stresses imposed by the inertial forces of the copper alloy reinforcing member, the reinforcing member must usually be fixed by projecting feet (which may be formed of stainless steel or copper alloy),
pénétrant dans les parties plus froides du piston. penetrating the colder parts of the piston.
Cependant, la fabrication d'un tel piston pose des problèmes Ceux-ci sont essentiellement les suivants a) la précision du positionnement lorsque le piston est réalisé par les techniques classiques de moulage avec le sommet en position haute, et b) la suppression de toute porosité dans la jupe lorsque le moulage est exécuté avec le sommet vers le bas, cette disposition facilitant le positionnement précis de However, the manufacture of such a piston causes problems These are essentially the following: a) the positioning accuracy when the piston is made by conventional molding techniques with the top in the up position, and b) the removal of any porosity in the skirt when molding is performed with the top down, this arrangement facilitating the precise positioning of
l'organe de renforcement et des pieds de fixation. the reinforcing member and fixing feet.
L'invention concerne un procédé de fabrication d'un piston d'alliage léger ayant un soetim-et renfrs ce qui ne présente pas le problème de la fissuration du somliîilet du piston ou qui l'élimine pratiquement, sans mise en oeuvre de pied de fixation ou d'une liaison intermétallique pour le maintien de l'organe de renforcement contre 1 'alliage du piston, ce procédé augmentant simultanément les propriétés mécaniques de l'alliage moulé correspondant par élimination pratiquement totale de la porosité, surtout dans les parties The invention relates to a method of manufacturing a piston of light alloy having a soetim-and renfrs which does not have the problem of cracking of the somliilet of the piston or which eliminates it practically, without implementation foot of fixation or intermetallic bonding for holding the reinforcing member against the piston alloy, this process simultaneously increasing the mechanical properties of the corresponding cast alloy by substantially eliminating the porosity, especially in the parts
minces des pièces L'invention concerne aussi un piston d'al- The invention also relates to a piston of
liage léger ayant un sommet renforcé et ayant les excellentes lightweight binding having a reinforced top and having the excellent
caractéristiques précitées de structure. aforementioned features of structure.
Un procédé de fabrication selon l'invention d'un piston d'alliage léger ayant un sommet renforcé comprend les opérations suivantes: a) la disposition d'un moule de piston ou d'une empreinte dans la position de moulage avec sommet vers le bas, c'est-à-dire que la partie du moule ou de l'empreinte qui forme le sommet du piston est la plus basse, b) la disposition d'un feutre de trichites ou de fibres d'une matière de renforcement à la face inférieure du moule ou de l'empreinte afin que la totalité ou une ou plusieurs parties choisies de la surface soient recouvertes, c) l'introduction dans le moule ou l'empreinte d'une masse fondue d'alliage léger afin qu'elle recouvre le feutre et remplisse le moule ou l'empreinte, d) l'application, à la masse fondue placée dans le moule ou l'empreinte, d'une pression suffisante pour que les forces de tension superficielle qui s'exercent entre le feutre et la masse fondue soient dépassées si bien que la masse fondue pénètre dans le feutre et en remplit les interstices, et e) la solidification de l'alliage fondu au contact du feutre de trichites ou de fibres afin qu'il forme une pièce composite dans laquelle les trichites ou fibres sont A manufacturing method according to the invention of a light alloy piston having a reinforced top comprises the following operations: a) the arrangement of a piston mold or an impression in the molding position with the top downwards that is, the part of the mold or impression that forms the top of the piston is the lowest, b) the provision of a felt of whiskers or fibers of a reinforcing material at the lower face of the mold or impression so that all or one or more selected parts of the surface are covered, c) introduction into the mold or impression of a light alloy melt so that it covers the felt and fills the mold or impression, d) the application to the melt placed in the mold or impression, a pressure sufficient for the forces of surface tension exerted between the felt and the melt are exceeded so that the melt enters the fire fill in the interstices, and e) the solidification of the molten alloy in contact with the felt of whiskers or fibers so that it forms a composite part in which the whiskers or fibers are
enrobé dans l'alliage léger -coated in light alloy -
La pièce composite moulée est usinée afin qu'elle The molded composite part is machined so that it
forme le piston terminé.form the finished piston.
L'invention concerne aussi un piston d'alliage léger ayant un sommet renforcé, dans lequel le renforcement comprend une couche ou un feutre de trichites ou de fibres de matière de renforcement, enrobé dans l'alliage léger ou The invention also relates to a light alloy piston having a reinforced top, wherein the reinforcement comprises a layer or felt of whiskers or fibers of reinforcing material, embedded in the light alloy or
dont les interstices sont remplis par cet alliage léger. whose interstices are filled by this light alloy.
L'alliage léger est de préférence un alliage d'aluminium, par exemple du type aluminium-silicium On The light alloy is preferably an aluminum alloy, for example of the aluminum-silicon type.
peut aussi utiliser de l'aluminium pratiquement pur. can also use almost pure aluminum.
Les trichites ou fibres sont de préférence for- Whiskers or fibers are preferably
méesd'alumine A 1203 ou de carbure de silicium Si C Le dia- alumina A 1203 or silicon carbide Si C The dia-
mètre des trichites ou desfibres est de préférence compris entre environ 2 et 5 microns Le feutre peut être formé par mise en oeuvre du procédé décrit dans le brevet britannique The trichites or desfibres meter is preferably between about 2 and 5 microns. The felt can be formed by carrying out the process described in the British patent.
n'1 489 346 D'autres oxydes réfractaires ou d'autres com- No. 1,489,346 Other refractory oxides or other
posés peuvent être utilisés; en outre, on peut utiliser posed can be used; in addition, one can use
des métaux ayant une résistance mécanique et une conducti- metals having a mechanical strength and a conductivity
bilité thermique élevées par exemple les alliages de cuivre high thermal stability eg copper alloys
au beryllium et un bronze de type cuivre-nickel-silicium. beryllium and a copper-nickel-silicon type bronze.
Le feutre placé à la face inférieure du moule ou de l'empreinte peut avoir une épaisseur de 6 à 10 mm et une porosité telle que, lorsqu'il est imprégné d'alliage métallique, les fibres ou trichites occupent 5 à 40 % du The felt placed on the underside of the mold or the imprint may have a thickness of 6 to 10 mm and a porosity such that, when impregnated with metal alloy, the fibers or whiskers occupy 5 to 40% of the
volume, de préférence environ 20 % du volume. volume, preferably about 20% of the volume.
Le feutre est simplement placé à la face infé- The felt is simply placed on the underside
rieure du moule ou de l'empreinte et il y est maintenu par l'alliage fondu introduit par la partie supérieure du moule ou de l'empreinte, par exemple à une température d'environ 670-7400 C, si bien qu'aucun dispositif de positionnement mold or impression and is held there by the molten alloy introduced by the upper part of the mold or the impression, for example at a temperature of about 670-7400 C, so that no device positioning
du feutre dans le moule ou l'empreinte n'est nécessaire. felt in the mold or imprint is necessary.
Le feutre peut être placé sur toute la face inférieure du moule ou de l'empreinte, ou il peut être sous forme d'un The felt may be placed on the entire underside of the mold or impression, or it may be in the form of a
anneau si bien que la partie centrale du sommet qui est reti- ring so that the central part of the top which is
rée par usinage pour la formation de la cuvette de combustion est essentiellement formée d'alliage léger, le renforcement étant disposé autour du bord de la cuvette Il n'est pas nécessaire qu'un feutre annulaire atteigne la périphérie Machining for the formation of the combustion bowl is essentially formed of light alloy, the reinforcement being arranged around the edge of the bowl. It is not necessary for an annular felt to reach the periphery.
externe du sommet.external of the summit.
Une pression peut être appliquée au métal fondu par un piston placé audessus de la cavité dans le moule Pressure can be applied to the molten metal by a piston placed above the cavity in the mold
ou l'empreinte Le vérin est chassé au contact du métal fon- or the impression The cylinder is driven out in contact with the metal
du si bien que celui-ci descend et remplit les interstices du feutre tout en améliorant les propriétés mécaniques de l'alliage et en réduisant la porosité de la pièce moulée, surtout dans la jupe et les autres parties minces de la pièce. La pression de moulage appliquée peut être comprise entre 315 et 3150 bars suivant la dimension du piston, la pression pouvant être maintenue pendant un temps compris entre 55 s so that it descends and fills the interstices of the felt while improving the mechanical properties of the alloy and reducing the porosity of the molded part, especially in the skirt and other thin parts of the piece. The molding pressure applied can be between 315 and 3150 bars depending on the size of the piston, the pressure can be maintained for a time between 55 s
et 2 min, suivant la dimension de la pièce coulée. and 2 min, depending on the size of the casting.
Les trichites ou fibres du feutre peuvent former Whiskers or fibers of the felt may form
un arrangement aléatoire ou peuvent être orientéesen direc- a random arrangement or can be oriented directly
tion particulière, la résistance mécanique étant alors accrue. tion, the mechanical strength being then increased.
Le cas échéant, les trichâtes ou fibres peuvent être pré- Where appropriate, trichâtes or fibers may be pre-
chauffées,par exemple à 200-3500 C. La-figure unique du dessin annexé représente heated, for example to 200-3500 C. The single figure of the appended drawing represents
un mode de réalisation de piston selon l'invention dans le- a piston embodiment according to the invention in the-
quel un feutre annulaire 1 de trichites ou de fibres est what an annular felt 1 of whiskers or fibers is
enrobé au sommet du piston formé d'alliage léger 2. coated at the top of the piston formed of light alloy 2.
Bien entendu, diverses modifications peuvent Of course, various modifications can
être apportées par l'homme de l'art au dispositif et au pro- be brought by the person skilled in the art to the device and the
cédé qui viennent d'être décrits uniquemeht à titre d'exemples non which have just been described only as examples not
limitatifs sans sortir du cadre de l'invention. limiting without departing from the scope of the invention.
Claims (9)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08128674A GB2106433B (en) | 1981-09-22 | 1981-09-22 | Squeeze casting of pistons |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2513153A1 true FR2513153A1 (en) | 1983-03-25 |
| FR2513153B1 FR2513153B1 (en) | 1987-01-09 |
Family
ID=10524678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8215983A Expired FR2513153B1 (en) | 1981-09-22 | 1982-09-22 | PISTON FOR INTERNAL COMBUSTION ENGINE AND MANUFACTURING METHOD THEREOF |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS58100642A (en) |
| DE (1) | DE3234504A1 (en) |
| FR (1) | FR2513153B1 (en) |
| GB (1) | GB2106433B (en) |
| IT (1) | IT1159218B (en) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2123727B (en) * | 1982-06-25 | 1985-11-20 | Ae Plc | Pressure-casting pistons |
| GB2132524A (en) * | 1982-11-24 | 1984-07-11 | Ae Plc | Casting aluminium or aluminium alloys on to other metal materials |
| GB8301320D0 (en) * | 1983-01-18 | 1983-02-16 | Ae Plc | Reinforcement of articles of cast metal |
| GB2135222B (en) * | 1983-02-04 | 1987-11-11 | Ae Plc | The reinforcement of pistons of aluminium or aluminium alloys |
| DE3418405A1 (en) * | 1983-05-18 | 1984-11-29 | Mazda Motor Corp., Hiroshima | Method for the production of castings from aluminium alloy and of pistons composed of an aluminium alloy |
| US4546048A (en) * | 1984-03-23 | 1985-10-08 | Dana Corporation | Composite thermal shield for engine components |
| GB8409044D0 (en) * | 1984-04-07 | 1984-05-16 | Gkn Technology Ltd | Casting metal articles |
| GB2158185B (en) * | 1984-05-01 | 1987-08-05 | Ae Plc | Reinforced light metal pistons |
| GB8413800D0 (en) * | 1984-05-30 | 1984-07-04 | Ae Plc | Manufacture of pistons |
| DE3430056C1 (en) * | 1984-08-16 | 1986-01-16 | Mahle Gmbh, 7000 Stuttgart | Plunger with fiber-reinforced combustion chamber bowl for internal combustion engines |
| DE3444406A1 (en) * | 1984-12-05 | 1986-06-05 | Kolbenschmidt AG, 7107 Neckarsulm | CASTED COMPONENTS FOR INTERNAL COMBUSTION ENGINES WITH PEGED-IN REINFORCEMENT BODIES, AND METHOD FOR PRODUCING THE CONNECTION BETWEEN THE COMPONENTS AND THE REINFORCEMENT BODIES |
| BR8500556A (en) * | 1985-02-07 | 1986-09-09 | Metal Leve S/A. Industria E Comercio | PUMP AND PUMP MANUFACTURING PROCESS FOR INTERNAL COMBUSTION ENGINES |
| GB2175893A (en) * | 1985-04-02 | 1986-12-10 | Ae Plc | Fibre-reinforced ceramic materials |
| US4587177A (en) * | 1985-04-04 | 1986-05-06 | Imperial Clevite Inc. | Cast metal composite article |
| GB8518909D0 (en) * | 1985-07-26 | 1985-09-04 | Ae Plc | Engineering components |
| FR2592374B1 (en) * | 1985-12-27 | 1991-08-16 | Peugeot | CERAMIC-METAL DIRECT LINKING PROCESS |
| DE3700651A1 (en) * | 1987-01-12 | 1988-07-21 | Kloeckner Humboldt Deutz Ag | Cylinder head for air-cooled internal combustion engines |
| EP0280830A1 (en) * | 1987-03-02 | 1988-09-07 | Battelle Memorial Institute | Method for producing metal or alloy casting, composites reinforced with fibrous or particulate materials |
| JPH086637B2 (en) * | 1988-03-09 | 1996-01-29 | トヨタ自動車株式会社 | Piston for internal combustion engine made of fiber reinforced aluminum alloy |
| JPH04224198A (en) * | 1990-12-26 | 1992-08-13 | Tokai Carbon Co Ltd | Production of mmc preform |
| DE4243023A1 (en) * | 1992-12-18 | 1994-06-23 | Audi Ag | Ceramic reinforced composite, used for moving internal combustion engine components. |
| DE19712624C2 (en) * | 1997-03-26 | 1999-11-04 | Vaw Motor Gmbh | Aluminum matrix composite and process for its manufacture |
| WO2002049790A1 (en) * | 2000-12-21 | 2002-06-27 | Jury Alexandrovich Tsyrulnik | Method for producing pistons for internal combustion engines |
| US10434568B2 (en) | 2012-04-12 | 2019-10-08 | Loukus Technologies, Inc. | Thermal isolation spray for casting articles |
| USD726224S1 (en) | 2013-03-15 | 2015-04-07 | S.P.M. Flow Control, Inc. | Plunger pump thru rod |
| US8707853B1 (en) | 2013-03-15 | 2014-04-29 | S.P.M. Flow Control, Inc. | Reciprocating pump assembly |
| WO2015200810A2 (en) | 2014-06-27 | 2015-12-30 | S.P.M. Flow Control, Inc. | Pump drivetrain damper system and control systems and methods for same |
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| CN112648104B (en) * | 2020-12-07 | 2022-07-19 | 中国兵器科学研究院宁波分院 | Whisker reinforced aluminum alloy piston and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB807633A (en) * | 1956-11-26 | 1959-01-21 | Wendell Chester Cheney | Piston with head insert and process of making it |
| DE2726273A1 (en) * | 1976-06-11 | 1977-12-29 | Perkins Engines Ltd | PISTONS FOR COMBUSTION MACHINERY AND THE PROCESS FOR THEIR MANUFACTURING |
| DE2743512A1 (en) * | 1977-08-27 | 1979-03-01 | Eugen Stump | IC engine piston suppressing noise - has chromium plated rim ring held with heat resistant expansion layer |
| GB1598585A (en) * | 1978-05-03 | 1981-09-23 | Wellworthy Ltd | Pistons |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE455368C (en) * | 1926-08-17 | 1928-01-30 | Richard Mueller | Process for the production of light metal pistons with cast-in chucks for the sealing rings |
| DE654297C (en) * | 1935-05-27 | 1937-12-16 | Eisenbau A G | Gas heater |
| JPS5260222A (en) * | 1975-09-30 | 1977-05-18 | Honda Motor Co Ltd | Method of manufacturing fibre reinforced composite |
| JPS5292827A (en) * | 1976-01-16 | 1977-08-04 | Honda Motor Co Ltd | Method of manufacturing structures with fiber reinforced composite parts |
| JPS5341622A (en) * | 1976-09-27 | 1978-04-15 | Honda Motor Co Ltd | Piston made of fiber-reinforced light alloy |
| JPS5442333A (en) * | 1977-08-08 | 1979-04-04 | Honda Motor Co Ltd | Production of fiberrreinforced composite material |
| GB1595280A (en) * | 1978-05-26 | 1981-08-12 | Hepworth & Grandage Ltd | Composite materials and methods for their production |
-
1981
- 1981-09-22 GB GB08128674A patent/GB2106433B/en not_active Expired
-
1982
- 1982-09-17 DE DE19823234504 patent/DE3234504A1/en not_active Ceased
- 1982-09-22 IT IT46860/82A patent/IT1159218B/en active
- 1982-09-22 JP JP57165968A patent/JPS58100642A/en active Pending
- 1982-09-22 FR FR8215983A patent/FR2513153B1/en not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB807633A (en) * | 1956-11-26 | 1959-01-21 | Wendell Chester Cheney | Piston with head insert and process of making it |
| DE2726273A1 (en) * | 1976-06-11 | 1977-12-29 | Perkins Engines Ltd | PISTONS FOR COMBUSTION MACHINERY AND THE PROCESS FOR THEIR MANUFACTURING |
| DE2743512A1 (en) * | 1977-08-27 | 1979-03-01 | Eugen Stump | IC engine piston suppressing noise - has chromium plated rim ring held with heat resistant expansion layer |
| GB1598585A (en) * | 1978-05-03 | 1981-09-23 | Wellworthy Ltd | Pistons |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2106433B (en) | 1985-11-06 |
| FR2513153B1 (en) | 1987-01-09 |
| DE3234504A1 (en) | 1983-04-07 |
| JPS58100642A (en) | 1983-06-15 |
| IT1159218B (en) | 1987-02-25 |
| IT8246860A0 (en) | 1982-09-22 |
| GB2106433A (en) | 1983-04-13 |
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