US3895868A - Structure of internal combustion engines - Google Patents

Structure of internal combustion engines Download PDF

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Publication number
US3895868A
US3895868A US355422A US35542273A US3895868A US 3895868 A US3895868 A US 3895868A US 355422 A US355422 A US 355422A US 35542273 A US35542273 A US 35542273A US 3895868 A US3895868 A US 3895868A
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US
United States
Prior art keywords
cylinder block
studs
elements
bearing
assembling
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 - Lifetime
Application number
US355422A
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English (en)
Inventor
Armand Castarede
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.)
Renault SAS
Regie Nationale des Usines Renault
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Renault SAS
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 FR7216134A external-priority patent/FR2183394A5/fr
Priority claimed from FR7222822A external-priority patent/FR2200894A6/fr
Application filed by Renault SAS filed Critical Renault SAS
Application granted granted Critical
Publication of US3895868A publication Critical patent/US3895868A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
    • F16C9/02—Crankshaft bearings
    • 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
    • F02F1/00—Cylinders; Cylinder 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
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/02—Cylinders; Cylinder heads  having cooling means
    • F02F1/10—Cylinders; Cylinder heads  having cooling means for liquid cooling
    • F02F1/108—Siamese-type cylinders, i.e. cylinders cast together
    • 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
    • F02F7/00—Casings, e.g. crankcases or frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/20—SOHC [Single overhead camshaft]
    • 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
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/02—Cylinders; Cylinder heads  having cooling means
    • F02F1/10—Cylinders; Cylinder heads  having cooling means for liquid cooling
    • F02F2001/104—Cylinders; Cylinder heads  having cooling means for liquid cooling using an open deck, i.e. the water jacket is open at the block top face
    • 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
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0021—Construction
    • F02F2007/0041—Fixing Bolts
    • 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
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/006—Camshaft or pushrod housings
    • F02F2007/0063—Head bolts; Arrangements of cylinder head bolts
    • 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
    • F05C2201/0436—Iron

Definitions

  • ABSTRACT This internal combustion piston engine structure comprising assembled cast elements, namely a cylinder block, a cylinder head, a valve gear case and an oil sump pan, is characterised by the stacking of these elements in planes parallel to the cylinder head gasket, each element receiving separately in the form of preassembled sub as'semblies the mechanical components inherent thereto, the stacking of said sub-assemblies being maintained by a series of common studs screwed in the cylinder block and extending in rough-cast holes through the other assembled elements.
  • This invention is characterised primarily by the stacking of castings in planes parallel to the plane of the cylinder head gasket, each casting receiving separately as a pre-assernbled sub-assembly the mechanical component elements inherent thereto, the stacking formed by these sub-assemblies being assembled by a series of ordinary studs screwed in the base element and extending through rough-cast holes formed in the other assembled elements.
  • the engine structure is decomposed into a series of relatively flat component elements that can easily be manufactured under very simplified and convenient conditions throughmass-production casting methods, such as pressure or die casting or the so-called low-pressure casting technique, in the case of light alloys.
  • the cylinder head is sub-divided into two elements having flat parallel surfaces parallel tothe cylinder head gasket, one element, in the form of a casting obtained by the so-called lowpressure method, comprising the combustion chambers, the cooling circuit being obtained by means of a single sand core, said one element being pre-assembled with the valvescomplete with their seats, springs and cotter means, the other element, in the form of a case cast under pressure die-casting being adapted to receive the valve control gears.
  • Rough-cast holes extend through these two elements in proper alignment for receiving the shanks of assembling or head studs screwed in the cylinder block.
  • this cylinder block will be decomposed into two elements having flat surfaces parallel to the cylinder-head gasket, one element constituting the upper portion of the block and the other the crankcase supporting the crankshaft bearings and receiving the assembling studs screwed in the cylinder block.
  • these studs are provided with a screw-threaded central or intermediate portion extending on one side towards the cylinder head and on the other side towards the crankcase.
  • machining of the additional joint surfaces which is required with the particular arrangement of this invention in fact, they consist in simple flat surfacing operations are advantageous in that they remove at the same time any burrs, beads and fins from the castings.
  • These castings having particularly open configurations, are easily produced by chill or die-pressure casting, in moulds that can be stripped directly, with uniform thicknesses.
  • rough-cast lubrication circuits may be provided in the joint planes thus created.
  • a considerably simplified pressure lubrication of adjacent rotating members such as camshaft bearings, crankshaft bearings and any intermediate shafts, as well as the rocker shafts, may be achieved.
  • the rough-cast holes for the assembling studs may also a be used as oil passages leading to, or in close vicinity of, the points to be lubricated, a few outlet orifices being drilled if necessary. Also from this point of view, this inventon provides a substantial simplification in the construction and machining of internal combustion engines.
  • a modified form of embodiment of this invention is contemplated for avoiding the inconveniences deriving from the use of same distances between certres for the studs assembling the upper sections such as the cylinder block and the cylinder head, and those assembling the lower sections, such as the crankshaft bearing caps. thus limiting the liberty of design of the engine structure.
  • this modified form of embodiment it is also possible to eliminate any tapping in the light alloy element without'inasmuch utilizing tapped inserts of ferrous metal embedded in the light-alloy castings, an obviously more complicated solution.
  • crankcase is completed by bearing caps of ferrous metal constituting inserts formed with tapped assembling holes, aligned or not, engageable by the studs provided for assembling the caps and the bearing supports, and those of the cylinder head and cylinder block.
  • the lower half-bearings are an integral part of the crankshaft bearing support, and the bearing cap insert constitutes the upper half-bearing fitting in a corresponding cavity of the bearing support, between this support and the lower assembling surface of the cylinder block.
  • the abovementioned modified form of embodiment permits of assembling the engine by using separate sub-assemblies prepared beforehand.
  • the crankshaft and its connecting-rods can be mounted to the bearing support before assembling this support with the cylinder block.
  • FIG. 1 is a cross-section illustrating the upper portion of an internal-combustion piston engine comprising the cylinder head and the valve-gear case, at the level of an exhaust port
  • FIG. 2 illustrates another cross-section of the upper portion of the engine, which comprises the cylinder head and the valve-gear case, at the level of an induction port, showing in off-set section the rough-cast hole for receiving a fastening stud;
  • FIG. 3 is a section taken at the level of the fastening studs, showing the cylinder block and crankcase elements;
  • FIGS. 6 and 8 illustrate another form of embodiment, under the same conditions, of the T-sectioned upper bearing cap in the case of an engine without cylinder liners.
  • the cylinder head 1 comprises a combustion chamber 7, the spark plug cavity 8, and an exhaust port.9 controlled by a valve 10; Other cavities 11 are connected to the cooling circuit of the engine block and cavities 12 correspond'to the cylinder head cooling jacket, obtained by using of a single foundry core.
  • FIG. 2 illustrates the same component elements but seen in the plane of an inlet port 21, the inlet valve being shown at 10 1
  • FIG. 3 illustrates in cross-section'elements constitut ing the lower portion of the engine structure comprising the cylinder block 5 connected to the cylinder head 1 of FIGS. 1 and 2 with the interposition of a cylinder head gasket 4.
  • This block 5 is assembled through a joint plane 23 to a bearing supporting case 24 of crankshaft 25 and of the oil pump driving shaft located in this joint plane 23.
  • This joint plane 23 between crankcase 24 and cylinder block 5 permits of properly positioning the secondary shaft system for driving various engine members, these shafts being thus easily mounted between the two castings obtained by the pressure-casting method.
  • the joint plane 23 has formed therein the cooling circuits 11, the lubrication oil delivery passages 14 communicating through the stud holes 22 and feed holes 20 which, in the case of bearings 24 and 26, may be rough-cast due to their presence in the crankcase joint planes 23 and 28.
  • crankshaft bearing caps 27 are adapted to be assembled by means of the same studs as those engaged in the holes 22 together with the lower oil sump 29 fastened to the same face 28 by means of a plurality of peripheral studs 30 clamping at the same time the elements 5 and 24 of the structure against the joint plane 23.
  • These relatively numerous tightening points distributed centrally (studs 22) and peripherally (studs 30) ensure a rigid assembling of the relatively thin crankcase 24 with the cylinder block 5, against the lower face .23 thereof, as well as the mounting against face 28 of the separate elements 27 and 29.
  • the studs 22 are provided with a screw-threaded cen-.
  • tral or intermediate portion 31 obtained for example according to the so-called rolling method and adapted to engage corresponding tapped portions of block 5 formed in a relatively strong or reinforced portion of this block in order to ensure a better stress distribution.
  • these tapped portions will undergo only relatively reduced efforts so that they can safely be crank-case, with respect to the surfaces of relatively more rigid elements, such as the cylinder block, due to a proper distribution of the tightening pressures which are transmitted by the entire surface of the opposed stacked members, such as the valve-gear case, the oil sump and the bearing caps.
  • FIG. 4 a modified form of embodiment of the bearing support 32 constituting the lower portion of crankcase 5, of the cylinder block is shown, this support having formed therein the lower half-bearings 27, of crankshaft 25 and containing in suitable cavities 33 the cast-iron bearing caps 24 forming inserts therein.
  • the support 32 constitutes a distortion free structure due to its considerable height and improved mouldability, thus affording a more convenient and reliable design.
  • the cylinder block element 5 and the lower bearing support 32 are assembled by means of studs 34 screwed in tapped holes formed in the upper U-shaped bearings 24,, for example of cast-iron, of crankshaft 25.
  • This assembly is completed by screws 35 ensuring the necessary tightness between the two crankcase elements 5 and 32 at their joint plane 23.
  • These screws 35 assist in stiffening the cases while relieving somewhat the stress supporting screws 34; they react against a flange 36 of the cylinder block 5 and extend through the latter before engaging tapped holes 37 formed in a projecting marginal or outer peripheral flange 38 of bearing case 32.
  • the light alloy structure is no more stressed through these screws 32. Thus, the single restrictive inconvenience of die-cast light-alloy crankcases is removed definitely.
  • any desired oil sump or mechanism can be fitted thereto, thus permitting of operating the engine under different conditions, as will readily appear to those skilled in the art.
  • the upper portion or element 5 constituting the cylinder block may also be of evolutive character as a function of the selected engine bore and stroke.
  • This honing of cylinder barrels 42 may be accomplished irrespective of the interference between these barrels and the bearings 24, of crankshaft 25, since these bearings constitute inserts.
  • the cylinder block of die-cast light alloy according to this invention will combine the advantages of an easier foundry work with those of simplified machining and assembling operations, due to the division of these operations into simpler, faster steps.
  • Internal combustion piston engine structure comprising assembled cast elements, namely a cylinder block, a cylinder head, a valve-gear case and an oil return sump, characterised in that said elements are stacked in planes parallel to the cylinder head gasket, each element receiving separately in the form of preassembled sub-assemblies the mechanical components inherent thereto, the stacking of said sub-assemblies being held by a series of common studs having an intermediate screw-thraded portion engaging corresponding tapped holes of the cylinder block, said studs extending through rough-cast holes formed in the other elements of the assembly.
  • Engine structure according to claim 1 characterised in that the cylinder head consists of light alloy cast according to the so-called low-pressure technique, the other elements consisting of light alloy cast according to the die-casting method.
  • Engine structure according to claim 1 characterised in that the lubrication circuits are rough cast in the assembling or joint planes of the stacked elements.
  • Engine structure according to claim 3 characterised in that the rough-cast holes engaged by the assembling studs are connected to the lubrication circuits for directing the oil to points adjacent to the various members to be lubricated.
  • Engine structure according to claim 1 characterised in that one of the stacked elements is a crankshaft bearing supporting case mounted to the lower portion of the cylinder block and receiving in its lower assembling plane, independently, the crankshaft bearing caps and the lower oil sump pan.
  • Engine structure according to claim 5 characterised in that said bearing support case is fastened to the cylinder block on the one hand by central fastening ing support case and of the cylinder block.
  • Engine structure according to claim 2 characterised in that said assembling studs are screwed in the cylinder block by means of an intermediate screwthreaded portion formed on each stud, the latter extending on either side of said portion with plain portions passing through the elements to be assembled which are held ,and tightened in position at either end of said studs.
  • one of the stacked elements is a case supporting .the crankshaft bearings, completed by bearing cap inserts of ferrous alloy comprising tapped assembling holes, aligned or not, engageable by the assembling studs of the bearing caps and bearing supports, and by those of said cylinder head and said cylinder block.
  • Engine structure according to claim 8 characterised in that the lower half-bearings are an integral part of the crankshaft bearings, adequate cavities being formed in said support to permit the mounting of the bearing caps constituting the upper half-bearings between the bearing support and the lower assembling face of the cylinder block element.
  • Engine structure according to claim 9 characterised in that the tapped holes of the bearing caps are adapted to be engaged at their upper and lower ends by the relevant ends of the studs for fastening the crankshaft bearing support and by the studs provided for fastening the cylinder block and cylinder head, respectively.
  • Engine structure terised in that said bearing support fastening studs, on the one hand, and said cylinder block and cylinder head fastening studs, on the other hand, consist of a single rod formed with an intermediate screw-threaded portion engaging the corresponding bearing caps.
  • Internal combustion piston engine structure comprising assembled cast elements including:
  • a cylinder block cast integrally with a cylinder head
  • valve gear case a case supporting the crankshaft bearings
  • an oil return sump characterised in that said elements are stacked in mutually parallel planes, each element receiving separately in the form of pre -assembled sub-assemblies the mechanical components inherent thereto the stacking of said sub-assemblies being held by a series of common studs having an intermediate screw threaded portion engaging corresponding tapped holes of the cylinder block-head assembly, said studs extending through rough-cast holes in other elements of the assembly, said shaft bearings, adequate cavities being formed in saidsupport to permit the mounting of bearing caps constituting upper half bearings between the bearing support and the lower assembling face of the cylinder block element.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
US355422A 1972-05-05 1973-04-30 Structure of internal combustion engines Expired - Lifetime US3895868A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7216134A FR2183394A5 (ja) 1972-05-05 1972-05-05
FR7222822A FR2200894A6 (ja) 1972-06-23 1972-06-23

Publications (1)

Publication Number Publication Date
US3895868A true US3895868A (en) 1975-07-22

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US355422A Expired - Lifetime US3895868A (en) 1972-05-05 1973-04-30 Structure of internal combustion engines

Country Status (6)

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US (1) US3895868A (ja)
JP (2) JPS5219246B2 (ja)
DE (2) DE2322382A1 (ja)
ES (1) ES414408A1 (ja)
GB (1) GB1426387A (ja)
IT (1) IT984187B (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4237847A (en) * 1979-03-21 1980-12-09 Cummins Engine Company, Inc. Composite engine block having high strength to weight ratio
US4651691A (en) * 1982-05-27 1987-03-24 Nissan Motor Co., Ltd. Internal combustion engine having aluminum alloy cylinder block
US4922870A (en) * 1988-05-06 1990-05-08 Daimler-Benz Ag Arrangement for supporting a crankshaft
US5727512A (en) * 1994-12-20 1998-03-17 Rover Group Limited Internal combustion engine
FR2819438A1 (fr) * 2001-01-17 2002-07-19 Trace Sarl Procede pour boucher un orifice dans une piece comme un carter de moteur automobile
EP2860381A1 (en) * 2013-06-28 2015-04-15 Yamaha Hatsudoki Kabushiki Kaisha Engine
US20170363038A1 (en) * 2016-06-16 2017-12-21 Toyota Jidosha Kabushiki Kaisha Cylinder block for internal combustion engine and method for producing same

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56113138U (ja) * 1980-01-31 1981-09-01
DE3110274A1 (de) * 1981-03-17 1982-09-30 Volkswagenwerk Ag, 3180 Wolfsburg "brennkraftmaschine mit motorblock, zylinderkopf und kurbelwellen-lagerdeckel, die durch gemeinsame gewindestangen-anordnungen verbunden sind"
DE3132314C2 (de) * 1981-08-17 1983-11-24 Bayerische Motoren Werke AG, 8000 München Zylinderkopf für wassergekühlte Brennkraftmaschinen
JPS58134636U (ja) * 1982-03-08 1983-09-10 いすゞ自動車株式会社 シリンダヘツド
JPS5939740U (ja) * 1982-09-08 1984-03-14 マツダ株式会社 エンジンのシリンダブロツク
JPS603410A (ja) * 1983-06-20 1985-01-09 Yanmar Diesel Engine Co Ltd デイ−ゼル機関の弁腕室装置
JPS6024845U (ja) * 1983-07-27 1985-02-20 ヤンマーディーゼル株式会社 ４サイクル水冷デイ−ゼルエンジン
JPS60187706A (ja) * 1984-03-07 1985-09-25 Honda Motor Co Ltd 四弁式内燃機関
GB2187791B (en) * 1986-03-15 1989-11-15 Austin Rover Group Internal combustion engine
JPS6316108A (ja) * 1986-07-08 1988-01-23 Honda Motor Co Ltd 内燃機関
DE4215051C2 (de) * 1992-05-07 1997-05-28 Audi Ag Lageranordnung
DE10328460A1 (de) * 2003-06-25 2005-01-13 Daimlerchrysler Ag Zylinderkopf einer flüssigkeitsgekühlten Brennkraftmaschine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2845919A (en) * 1956-12-18 1958-08-05 Burmeister & Wains Mot Mask Reciprocating engine, particularly an internal combustion engine
US2996050A (en) * 1958-02-24 1961-08-15 Gen Motors Corp Engine
US3046953A (en) * 1960-05-03 1962-07-31 Dolza John Internal combustion engines
US3352293A (en) * 1965-07-28 1967-11-14 Gen Motors Corp Camshaft construction

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2845919A (en) * 1956-12-18 1958-08-05 Burmeister & Wains Mot Mask Reciprocating engine, particularly an internal combustion engine
US2996050A (en) * 1958-02-24 1961-08-15 Gen Motors Corp Engine
US3046953A (en) * 1960-05-03 1962-07-31 Dolza John Internal combustion engines
US3352293A (en) * 1965-07-28 1967-11-14 Gen Motors Corp Camshaft construction

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4237847A (en) * 1979-03-21 1980-12-09 Cummins Engine Company, Inc. Composite engine block having high strength to weight ratio
US4651691A (en) * 1982-05-27 1987-03-24 Nissan Motor Co., Ltd. Internal combustion engine having aluminum alloy cylinder block
US4922870A (en) * 1988-05-06 1990-05-08 Daimler-Benz Ag Arrangement for supporting a crankshaft
US5727512A (en) * 1994-12-20 1998-03-17 Rover Group Limited Internal combustion engine
FR2819438A1 (fr) * 2001-01-17 2002-07-19 Trace Sarl Procede pour boucher un orifice dans une piece comme un carter de moteur automobile
EP2860381A1 (en) * 2013-06-28 2015-04-15 Yamaha Hatsudoki Kabushiki Kaisha Engine
EP3130778A1 (en) * 2013-06-28 2017-02-15 Yamaha Hatsudoki Kabushiki Kaisha Engine
US20170363038A1 (en) * 2016-06-16 2017-12-21 Toyota Jidosha Kabushiki Kaisha Cylinder block for internal combustion engine and method for producing same

Also Published As

Publication number Publication date
JPS538847B2 (ja) 1978-04-01
ES414408A1 (es) 1976-05-01
JPS4961512A (ja) 1974-06-14
DE2322382A1 (de) 1973-12-13
GB1426387A (en) 1976-02-25
JPS5219246B2 (ja) 1977-05-26
DE7316711U (de) 1976-01-08
JPS5279115A (en) 1977-07-04
IT984187B (it) 1974-11-20

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