EP1979592B1 - Motorblock und zylinderkopfanordnung für einen motor mit variabler verdichtung - Google Patents

Motorblock und zylinderkopfanordnung für einen motor mit variabler verdichtung Download PDF

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Publication number
EP1979592B1
EP1979592B1 EP07730868A EP07730868A EP1979592B1 EP 1979592 B1 EP1979592 B1 EP 1979592B1 EP 07730868 A EP07730868 A EP 07730868A EP 07730868 A EP07730868 A EP 07730868A EP 1979592 B1 EP1979592 B1 EP 1979592B1
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EP
European Patent Office
Prior art keywords
cylinder head
engine
cylinder
control
assembly according
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.)
Not-in-force
Application number
EP07730868A
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English (en)
French (fr)
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EP1979592A1 (de
Inventor
Vianney Rabhi
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Individual
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Individual
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Classifications

    • 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
    • F02B75/00—Other engines
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and 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 
    • F02F1/24—Cylinder heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • 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
    • F02B75/00—Other engines
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F02B75/041—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of cylinder or cylinderhead positioning
    • 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
    • F02B75/00—Other engines
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F02B75/047—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of variable crankshaft position
    • 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
    • F02B75/00—Other engines
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F02B75/048—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of a variable crank stroke length
    • 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
    • F02F11/00—Arrangements of sealings in combustion engines

Definitions

  • the present invention relates to a cylinder head assembly and engine block for variable volumetric ratio engine whose cylinder head is common to the combustion chamber and control cylinders.
  • the mechanical transmission device for a variable volumetric ratio engine comprises at least one cylinder in which a piston moves which is secured, in its lower part, with a transmission member cooperating on the one hand by means of a rack with a small dimension with a rolling guide device, and secondly by means of another large rack with a toothed wheel secured to a connecting rod, this making it possible to transmit the movement between said piston and said connecting rod.
  • the mechanical transmission device for variable volumetric ratio engine also comprises at least one control rack cooperating with the gear wheel, means for fixing the piston on the transmission member which provide a clamping preload, connecting means which allow to stiffen the teeth of the racks, and means for strengthening and lightening the structure of the toothed wheel.
  • the cylinder block is capped with two distinct yokes: one, of a type known per se, comprises valves and their actuating system and closes the upper end of the cylinder of the variable compression ratio engine, another, specific to said engine, serves to close the upper end of the control cylinder of said engine.
  • the fixing of the cylinder head of the control cylinder requires screws whose number and resistance are at least equivalent to those required for the screws of the engine cylinder head because the total effort assumed by said screws of the cylinder head control cylinder is comparable to that assumed by the bolts of the engine cylinder head.
  • control cylinder head is such that it is difficult to accommodate the screws which fix said control cylinder head on the cylinder block.
  • the actuator cylinder head is placed relatively low relative to the cylinder block and the length of said screw is low which reduces their fatigue resistance by increasing the amplitude of the repeated stress to which they are subjected.
  • Another problem stems from the short distance between the cylinder head of the engine and the cylinder head of the control cylinder which makes it difficult to fit into the casing of the cylinder block ducts of appropriate section to ensure the return of the lubricating oil of the cylinder head of the engine to the lubricating oil sump of said engine, on the one hand, and allowing the rise of "blow-by" gases from said housing to the cylinder head on the other hand.
  • the cylinder head and engine block assembly according to the present invention for a variable compression ratio engine comprises a common cylinder head which cooperates with a cylinder block to close on the one hand the end of at least one cylinder of the motor at its combustion chamber, and secondly the end of at least one cylinder of a control cylinder of said motor at the upper chamber of said cylinder, said cylinder housing containing all the components of the movable hitch of the variable volumetric ratio engine, and the cylinder head and engine block assembly according to the present invention comprises stops fixing the limits of the high position and the low position of the control rack which are constituted, on the side of said control rack, a flexible material which covers the upper and lower faces of the control jack piston integral with said rack, said flexible material being able to come into contact with the common cylinder, thus fixing the limit of the upper position of the control rack, or with the cylinder block, thus fixing the limit of the low position of the rack to control.
  • the cylinder head and engine block assembly comprises a common yoke having a single plane of joint which cooperates with a single plane of joint that includes the cylinder block, said joint planes cooperating with at least one joint which allows sealing between said common yoke and said cylinder block.
  • the cylinder head and engine block assembly comprises a common cylinder head having at least one combustion chamber, at least one ignition device and at least two valves and their device which ensures their opening and closing.
  • the cylinder head and engine block assembly comprises a common cylinder head which comprises a chamber arranged at the end of the upper rod of the cylinder or cylinders (s) for controlling the engine, said chamber being connected to an oil inlet under pressure.
  • the cylinder head and engine block assembly comprises a common cylinder head which comprises a chamber arranged at the end of the control rod of the engine control cylinder (s), said chamber being connected to an intake of oil under pressure.
  • the cylinder head and engine block assembly comprises a chamber arranged at the end of the control rod containing a spring which exerts a thrust on the control rod while resting on the bottom of said chamber on the one hand, and on the end of said control rod on the other hand.
  • the cylinder head assembly and engine block according to the present invention comprises a common cylinder head having channels arranged in its mass which connect together the chambers arranged at the end of the upper rods of the control cylinders.
  • the cylinder head assembly and engine block according to the present invention comprises a common cylinder head having channels arranged in its mass which connect together the chambers arranged at the end of the control rods of the control cylinders.
  • the cylinder head and engine block assembly comprises a common cylinder head having channels arranged in its mass which connect the chamber (s) arranged (s) at the end of the upper rod or jack (s) control unit or at the chamber (s) arranged (s) at the end of the control rod of said cylinder (s) control (s).
  • the cylinder head and engine block assembly according to the present invention comprises a common yoke which comprises means for fixing the peripheral members necessary for the operation of the engine and the vehicle on the one hand, and for fixing the engine to the vehicle on the other hand.
  • the cylinder head and engine block assembly comprises a cylinder block having a single plane of joint which cooperates with a joint plane that includes the common yoke, said joint planes for sealing between said common yoke and said cylinder block at the combustion chamber (s) of the engine on the one hand, and in the upper chamber of the cylinder (s) control (s) secondly.
  • the cylinder head and engine block assembly comprises a cylinder block which comprises a control camshaft placed under the engine control cylinder (s) and above the control rack (s). said engine, the control rod (s) of said engine coming to bear on said camshaft.
  • the cylinder head and engine block assembly according to the present invention comprises a control camshaft which is housed in bearings in which it can rotate.
  • the cylinder head and engine block assembly according to the present invention comprises at least one bearing in which rotates the control camshaft whose radius is greater than the largest radius of the cams of said camshaft.
  • the cylinder head and engine block assembly according to the present invention comprises bearings in which the control camshaft rotates which are of different diameters to facilitate mounting of said camshaft.
  • the cylinder head and engine block assembly comprises a control camshaft which comprises a return spring in rotation.
  • the cylinder head and engine block assembly comprises a control camshaft which comprises transmission means for coupling it to an electric motor capable of driving it in rotation.
  • the cylinder head and engine block assembly comprises a cylinder block comprising at least one rocker arm which imposes on the control rod a vertical position as a function of the angular position of the camshaft, and at the end of which said control rod comes to bear, said rod being held in contact with said end of the rocker arm by the spring housed in the chamber arranged at the end of said rod and / or by the hydraulic pressure prevailing in said chamber.
  • the cylinder head assembly and engine block according to the present invention comprises a rocker arm which bears on the cylinder block on the one hand, and on one of the cams of the camshaft on the other hand.
  • the cylinder head and engine block assembly comprises a rocker arm which bears on the cylinder block via a link whose vertical position relative to the cylinder block can be adjusted by means of an adjustment device.
  • the cylinder head and engine block assembly comprises an adjustment device which makes it possible to adjust the vertical position of the connection between the rocker arm and the cylinder block and which consists of a support screwed into said cylinder block which is stopped in rotation by a stop means.
  • the cylinder head and engine block assembly comprises a cylinder block which has stops fixing the limits of the high position and the low position of the control rack and which cooperate with abutments integral with said control rack.
  • the cylinder head assembly and engine block according to the present invention comprises a common yoke which comprises a stop fixing the limit of the upper position of the control rack and which cooperates with an abutment integral with said control rack.
  • the cylinder head and engine block assembly comprises a cylinder block which comprises at least one rectangular window obstructed by a rectangular plate fixed to the cylinder block by screws, and which constitutes the support of a device for rolling the engine.
  • the cylinder head assembly and engine block according to the present invention comprises a cylinder block which comprises means for fixing the peripheral members necessary for the operation of the engine and the vehicle on the one hand, and for fixing the engine to the vehicle on the other hand.
  • the cylinder head and engine block assembly comprises a single seal for sealing between the common cylinder head and the cylinder block at the level of the combustion chamber (s) on the one hand, and at the the upper chamber of the cylinder (s) control (s) secondly.
  • the cylinder head and engine block assembly comprises at least one channel which passes through the joint placed between the common cylinder head and the cylinder block and which ensures the passage of the pressurized engine lubricating oil between the cylinder block and the cylinder. common cylinder head.
  • the cylinder head and engine block assembly comprises at least one channel which passes through the joint placed between the common cylinder head and the crankcase. cylinder and which allows the oil which has lubricated the mechanical parts of the common cylinder to descend by gravity into the cylinder block.
  • the cylinder head and engine block assembly comprises at least one channel which passes through the seal placed between the common cylinder head and the cylinder block and which allows the "blow-by" gases present in the cylinder block to go up to the cylinder head common.
  • the cylinder head and engine block assembly comprises at least one channel which passes through the gasket placed between the common cylinder head and the cylinder block and which allows the cooling fluid to flow between the cylinder block water chambers and the chambers. water from the common cylinder head.
  • variable volumetric ratio engine comprises for each cylinder a transmission device 1 and a piston 2.
  • the mechanical transmission device 1 comprises in the lower part of the piston 2 a transmission member 3 secured to said piston and cooperating, on the one hand with a rolling guide device 4, and on the other hand with a toothed wheel 5.
  • the toothed wheel 5 cooperates with a connecting rod 6 connected to a crankshaft 9 in order to carry out the transmission of the movement between the piston 2 and said crankshaft 9.
  • the toothed wheel 5 cooperates opposite the transmission member 3 with another rack called control rack 7 whose vertical position relative to the engine block is controlled by a control device 12.
  • the cylinder head and engine block assembly comprises a common cylinder head 300 which cooperates with a cylinder block 100 to close on the one hand the end of at least one cylinder 110 of the engine, and on the other hand the end of at least a cylinder 112 of a control cylinder 8 of a control device 12 of said engine.
  • the cylinder block 100 contains all the components of the movable hitch of the variable compression ratio engine.
  • the cylinder head and engine block assembly also comprises, below the cylinder block 100, a bearing housing 400 and an oil sump 500.
  • the cylinder head and engine block assembly may also comprise balancing shafts 600 driven in rotation by the crankshaft. 9 via either a notched belt, a chain, or a cascade of gears.
  • the common cylinder head 300, the cylinder block 100, the bearing housing 400 and the oil sump 500 may be made of cast iron or aluminum or magnesium light alloy.
  • the common yoke 300 comprises a single and same plane of joint 301 which cooperates with a single plane of joint 190 that includes the cylinder block 100.
  • the common cylinder head 300 comprises at least one combustion chamber 302, at least one ignition device and at least two valves and their device which ensures their opening and closing.
  • the common cylinder head 300 and the cylinder block 100 respectively comprise means for fixing the peripheral members necessary for the operation of the engine and the vehicle on the one hand, and for fixing the engine to the vehicle on the other hand.
  • Each joint plane 190, 301 cooperates with at least one seal 305 which allows sealing between the common cylinder head 300 and the cylinder block 100 at the combustion chamber (s) 302 of the engine on the one hand and at the level of the upper chamber 121 of the cylinder (s) control (s) 8 on the other hand.
  • the seal between the common cylinder head 300 and the cylinder block 100 is formed by a single seal 305 at the combustion chamber (s) 302 on the one hand, and at the upper chamber 121 of the control cylinder (s) 8 on the other hand.
  • the seal 305 may consist of a graphite-impregnated asbestos sheet or a carbon-based sheet mountable between two sheets of copper, aluminum or steel.
  • the seal 305 may comprise reinforcement means at the edge of the rolls which consist of a metal strapping.
  • the seal 305 may be made of a ribbed metal sheet mounted with a sealant, and may comprise or cooperate with one or more O-rings.
  • the joint 305 common to the common cylinder head 300 and the cylinder block 100 is traversed by at least one channel which ensures the passage of the pressure lubrication oil from the engine between said cylinder block and said common cylinder head.
  • the joint 305 common to the common cylinder head 300 and the cylinder block 100 is traversed by at least one channel which allows the oil which has lubricated the mechanical parts of the common cylinder 300 to descend by gravity into the cylinder block 100.
  • the joint 305 common to the common cylinder head 300 and the cylinder block 100 is traversed by at least one channel which allows the "blow-by" gases present in the cylinder block 100 to go up to the common cylinder head 300.
  • the joint 305 common to the common cylinder head 300 and to the cylinder block 100 is traversed by at least one channel which allows the cooling fluid of the engine to circulate between the water chambers 303 of the cylinder block 100 and the water chambers 304 of the common breech 300.
  • the cylinder block 100 comprises at least one rectangular window 192 obstructed by a rectangular plate, not shown, fixed on the cylinder block 100 by screws, and which forms a support for the raceway and the small racks of the guide device. bearing 4 of the engine.
  • control device 12 of the variable compression ratio engine comprising a control cylinder 8 which consists of an upper cylinder rod 10, a lower cylinder rod 16, a cylinder piston 13 and a rod control 20.
  • the jack piston 13 comprises a peripheral swivel ring 180 which matches the spherical shape of said jack piston.
  • the upper cylinder rod 10 has in its inner part and in its center a non-return valve 185 of leakage compensation whose input is in communication with a chamber 184 formed in the common yoke 300.
  • the outlet of the non-return valve 185 is connected by a duct 187 formed in the jack piston 13 of the control jack 8 allowing the control rod 20 to pass through said piston.
  • the conduit 187 communicates at the level of the control rod 20, via valves 21 held on their seat by a spring 22, either with an upper chamber 121 or with a lower chamber 122 of the control cylinder 8, respectively above and below the piston cylinder 13.
  • the common cylinder head 300 comprises at least a first chamber 184 arranged at the end of the upper rod 10 or the cylinder (s) of control 8 of the engine, said chamber 184 being connected to an oil inlet under pressure.
  • the common cylinder head 300 comprises at least a second chamber 186 arranged at the end of the control rod 20 or cylinder (s) control 8 of the engine, said chamber 20 being connected to a pressurized oil inlet.
  • the second chamber 186 arranged at the end of the control rod 20, contains a spring, not shown, which exerts a thrust on said control rod by bearing on the bottom of said chamber on the one hand, and on the end of said control rod on the other hand.
  • the common yoke 300 may comprise channels arranged in its mass which connect together the first chambers 184 arranged at the end of the upper rods 10 of the control cylinder (s) 8.
  • the common yoke 300 may comprise channels arranged in its mass which connect the second chambers 186 arranged at the end of the control rods 20 of the control jacks 8.
  • the common yoke 300 may comprise channels, not shown, which connect the chamber (s) 184 arranged (s) at the end of the upper rod 10 or cylinder (s) control 8 to the chamber (s) 186 arranged (s) at the end of the control rod 20 of said cylinder (s) control (s) 8.
  • control camshaft 803 which includes the cylinder block 100, which is placed under the control cylinder (s) 8 of the engine and above the control rack or gears 7 of said engine on which bears the control rod (s) 20 of said engine.
  • control camshaft 803 can rotate in bearings 191 or in ball or roller bearings.
  • the cylinder block 100 comprises at least one bearing 191 in which the control camshaft 803 rotates, the radius of said bearing being greater than the largest radius of the cams 804 of said camshaft.
  • the cylinder block 100 includes bearings 191 in which the control camshaft 803 rotates which are of different diameters to facilitate mounting of said camshaft.
  • the cylinder block 100 comprises a control camshaft 803 which comprises a return spring in rotation, not shown.
  • the cylinder block 100 comprises a control camshaft 803 which comprises intermediate transmission means 806 for coupling it to an electric motor 802 capable of rotating said camshaft.
  • the cylinder block 100 comprises at least one rocker 813 which imposes on the control rod 20 a vertical position according to the angular position of the camshaft 803, and the end of which said control rod 20 comes to bear.
  • the control rod 20 is kept in contact with the end of the rocker arm 813 by spring, not shown, housed in the chamber 186 arranged at the end of said rod and / or by the hydraulic pressure prevailing in said chamber.
  • the cylinder block 100 comprises a rocker arm 813 which bears on the cylinder block 100 on the one hand, and on one of the cams 804 of the control camshaft 803 on the other hand.
  • the rocker arm 813 is supported on the cylinder block 100 via a link or a hinge 814 whose vertical position relative to the cylinder block 100 can be fixed by means of an adjusting device 816.
  • the link 814 between the rocker arm 813 and the cylinder block 100 may consist of a ball joint or a pivot connection.
  • the cylinder block 100 comprises an adjusting device 816 which makes it possible to fix the vertical position of the link 814 between the rocker arm 813 and the cylinder block 100.
  • the adjusting device 816 consists of a support screwed into the cylinder block 100 which is stopped in rotation by a stop means which may be, for example, a lock nut, glue, a key or a brake of the type "Nylstop".
  • the cylinder block 100 comprises abutments, not shown, fixing the limits of the high position and the low position of the control rack 7. In this case, the stops of the cylinder block 100 cooperate with other stops integral with the rack. order 7.
  • the common yoke 300 comprises an abutment fixing the limit of the upper position of the control rack 7. In this case the abutment of the common yoke 300 cooperates with an abutment integral with the control rack 7.
  • the stops fixing the limits of the high position and the low position of the control rack 7 are constituted, on the side of said control rack, with a flexible material which covers the upper and lower faces of the cylinder piston 13 of the jack 8 integral with said rack.
  • the abutments made of flexible material can come into contact either with the common yoke 300, thus fixing the limit of the upper position of the control rack 7, or with the cylinder block 100, thus fixing the limit of the lower position of the rack of order 7.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Valve Device For Special Equipments (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Claims (27)

  1. Zylinderkopf- und Motorblockanordnung für einen Motor mit variablem Verdichtungsverhältnis, der in seinem Motorblock ein Zylindergehäuse (100) enthält, wobei eine Übertragungsvorrichtung (1), die durch wenigstens einen Kolben (2) eines Übertragungsorgans (3) gebildet ist, einerseits mit einer Drehführungsvorrichtung (4) und andererseits mit einem Zahnrad (5) zusammenwirkt, wobei das Zahnrad (5) mit dem Übertragungsorgan (3) und mit einer Steuerzahnstange (7) zusammenwirkt, deren vertikale Position durch eine Steuervorrichtung (12) gesteuert wird, die einen Stellhubelement (8) und einen Hubelementkolben (13) enthält, dadurch gekennzeichnet, dass sie einen gemeinsamen Zylinderkopf (300) aufweist, der mit dem Zylindergehäuse (100) zusammenwirkt, um einerseits das Ende wenigstens eines Zylinders (110) des Motors auf Höhe seiner Verbrennungskammer (302) zu verschließen und um andererseits das Ende wenigstens eines Zylinders (112) eines Stellhubelements (8) des Motors auf Höhe der oberen Kammer (121) des Hubelements zu verschließen, wobei das Gehäuse (100) und der Zylinderkopf (300) jeweils Anschläge aufweisen, die mit anderen Anschlägen zusammenwirken, die mit der Steuerzahnstange (7) fest verbunden sind, um die Grenzen der oberen Position und der unteren Position der Steuerzahnstange festzulegen, wobei die Anschläge, die auf Seiten der Steuerzahnstange (7) vorgesehen sind, aus einem nachgiebigen Material gebildet sind, das die obere bzw. die untere Fläche des Hubelementkolbens (13) abdeckt.
  2. Zylinderkopf- und Motorblockanordnung nach Anspruch 1, dadurch gekennzeichnet, dass der gemeinsame Zylinderkopf (300) eine einzige Dichtungsebene (301) besitzt, die mit einer einzigen Dichtungsebene (190) zusammenwirkt, die das Zylindergehäuse (100) besitzt, wobei die Dichtungsebenen mit wenigstens einer Dichtung (305) zusammenwirken, die die Herstellung der Dichtigkeit zwischen dem gemeinsamen Zylinderkopf (300) und dem Zylindergehäuse (100) herstellt.
  3. Zylinderkopf- und Motorblockanordnung nach Anspruch 1, dadurch gekennzeichnet, dass der gemeinsame Zylinderkopf (300) wenigstens eine Verbrennungskammer (302), wenigstens eine Zündvorrichtung und wenigstens zwei Ventile und ihre Vorrichtung, die ihr Öffnen und ihr Schließen sicherstellt, enthält.
  4. Zylinderkopf- und Motorblockanordnung nach Anspruch 1, dadurch gekennzeichnet, dass der gemeinsame Zylinderkopf (300) eine erste Kammer (184), die am Ende des oberen Stifts (10) des Hubelements oder der Hubelemente (8) des Motors ausgebildet ist, enthält, wobei die Kammer (184) mit einem Einlass für mit Druck beaufschlagtes Öl verbunden ist.
  5. Zylinderkopf- und Motorblockanordnung nach Anspruch 1, dadurch gekennzeichnet, dass der gemeinsame Zylinderkopf (300) eine zweite Kammer (186) aufweist, die am Ende des Steuerstifts (20) des Hubelements oder der Hubelemente (8) des Motors ausgebildet ist, wobei die Kammer mit einem Einlass für mit Druck beaufschlagtes Öl verbunden ist.
  6. Zylinderkopf- und Motorblockanordnung nach Anspruch 5, dadurch gekennzeichnet, dass die zweite Kammer (186), die am Ende des Steuerstifts (20) ausgebildet ist, eine Feder enthält, die auf den Steuerstift (20) einen Schub ausübt, indem sie sich einerseits auf dem Boden der Kammer und andererseits am Ende des Steuerstifts abstützt.
  7. Zylinderkopf- und Motorblockanordnung nach Anspruch 4, dadurch gekennzeichnet, dass der gemeinsame Zylinderkopf (300) Kanäle aufweist, die in seiner Masse ausgebildet sind und die ersten Kammern (184), die am Ende des oberen Stifts (10) jedes Hubelements (8) ausgebildet sind, miteinander verbindet.
  8. Zylinderkopf- und Motorblockanordnung nach Anspruch 5, dadurch gekennzeichnet, dass der gemeinsame Zylinderkopf (300) Kanäle aufweist, die in seiner Masse ausgebildet sind und die zweiten Kammern (186), die am Ende der Steuerstifte (20) jedes Hubelements (8) ausgebildet sind, miteinander verbindet.
  9. Zylinderkopf- und Motorblockanordnung nach den Ansprüchen 4 und 5, dadurch gekennzeichnet, dass der gemeinsame Zylinderkopf (300) Kanäle aufweist, die in seiner Masse ausgebildet sind und die erste(n) Kammer(n) (184), die am Ende des oberen Stifts (10) jedes Hubelements (8) ausgebildet ist (sind), mit der bzw. den zweiten Kammer(n) (186), die am Ende der Steuerstifte (20) jedes Stellzylinders (8) ausgebildet ist (sind), verbinden.
  10. Zylinderkopf- und Motorblockanordnung nach Anspruch 1, dadurch gekennzeichnet, dass der gemeinsame Zylinderkopf (300) Mittel aufweist, um die Peripherieorgane, die einerseits für den Betrieb des Motors und des Fahrzeugs und andererseits für die Befestigung des Motors am Fahrzeug notwendig sind, enthält.
  11. Zylinderkopf- und Motorblockanordnung nach Anspruch 1, dadurch gekennzeichnet, dass das Zylindergehäuse (100) eine Steuernockenwelle (803) aufweist, die unter dem Hubelement oder den Hubelementen (8) des Motors und oberhalb einer Steuerzahnstange bzw. der Steuerzahnstangen (7) des Motors angeordnet ist, wobei sich der Steuerstift bzw. die Steuerstifte (20) des Motors auf der Nockenwelle abstützt bzw. abstützen.
  12. Zylinderkopf- und Motorblockanordnung nach Anspruch 11, dadurch gekennzeichnet, dass die Steuernockenwelle (803) in Lager (191) eingesetzt ist, in denen sie sich drehen kann.
  13. Zylinderkopf- und Motorblockanordnung nach Anspruch 12, dadurch gekennzeichnet, dass der Radius wenigstens einen Lagers (191), in dem sich die Steuernockenwelle (803) dreht, größer ist als der größte Radius der Nocken (804) der Nockenwelle.
  14. Zylinderkopf- und Motorblockanordnung nach Anspruch 12, dadurch gekennzeichnet, dass die Lager (191), in denen sich die Steuernockenwelle (803) dreht, unterschiedliche Durchmesser haben, um die Montage der Nockenwelle zu erleichtern.
  15. Zylinderkopf- und Motorblockanordnung nach Anspruch 11, dadurch gekennzeichnet, dass die Steuernockenwelle (803) eine Drehrückstellfeder (805) aufweist.
  16. Zylinderkopf- und Motorblockanordnung nach Anspruch 11, dadurch gekennzeichnet, dass die Steuernockenwelle (803) Zwischenübertragungsmittel (806) aufweist, die mit einem Elektromotor (802) gekoppelt werden können, der die Nockenwelle rotatorisch antreiben kann.
  17. Zylinderkopf- und Motorblockanordnung nach den Ansprüchen 1, 6 und 11, dadurch gekennzeichnet, dass das Zylindergehäuse (100) wenigstens einen Kipphebel (813) aufweist, der für den Steuerstift (20) eine von der Winkelstellung der Nockenwelle (803) abhängende vertikale Position einstellt und an dessen Ende sich der Steuerstift (20) abstützt, wobei der Stift mit dem Ende des Kipphebels (803) durch eine Feder, die sich in der am Ende des Stifts ausgebildeten Kammer (186) befindet, und/oder durch den Hydraulikdruck, der in der Kammer herrscht, in Kontakt gehalten wird.
  18. Zylinderkopf- und Motorblockanordnung nach Anspruch 17, dadurch gekennzeichnet, dass sich der Kipphebel (813) einerseits am Zylindergehäuse (100) und andererseits an einem der Nocken (804) der Nockenwelle (803) abstützt.
  19. Zylinderkopf- und Motorblockanordnung nach Anspruch 18, dadurch gekennzeichnet, dass sich der Kipphebel (813) am Zylindergehäuse (100) über eine Verbindung (814) abstützt, deren vertikale Position in Bezug auf das Zylindergehäuse (100) mittels einer Einstellvorrichtung (816) eingestellt werden kann.
  20. Zylinderkopf- und Motorblockanordnung nach Anspruch 19, dadurch gekennzeichnet, dass die Einstellvorrichtung (816), die die Einstellung der vertikalen Position der Verbindung zwischen dem Kipphebel und dem Zylindergehäuse (100) ermöglicht, aus einem Träger gebildet ist, der in das Zylindergehäuse geschraubt ist und durch ein Haltemittel drehfest gehalten wird.
  21. Zylinderkopf- und Motorblockanordnung nach Anspruch 1, dadurch gekennzeichnet, dass die Anschläge, die die Grenzen der oberen Position und der unteren Position der Steuerzahnstange (7) festlegen, auf Seiten der Steuerzahnstange aus einem nachgiebigen Material gebildet sind, das die obere bzw. die untere Fläche des Hubelementkolbens (13), der mit der Zahnstange fest verbunden ist, abdeckt, wobei das nachgiebige Material entweder mit dem gemeinsamen Zylinderkopf (300) in Kontakt treten kann, um dadurch die Grenze der oberen Position der Steuerzahnstange (7) festzulegen, oder mit dem Zylindergehäuse (100) in Kontakt treten kann, um dadurch die Grenze der unteren Position der Zahnstange festzulegen.
  22. Zylinderkopf- und Motorblockanordnung nach Anspruch 1, dadurch gekennzeichnet, dass das Zylindergehäuse (100) wenigstens ein rechteckiges Fenster (192) aufweist, das durch eine rechteckige Platte verschlossen ist, die am Zylindergehäuse durch Schrauben befestigt ist und den Träger einer Drehvorrichtung (4) des Motors bildet.
  23. Zylinderkopf- und Motorblockanordnung nach Anspruch 1, dadurch gekennzeichnet, dass das Zylindergehäuse (100) Mittel zum Befestigen der Peripherieorgane aufweist, die einerseits für den Betrieb des Motors und des Fahrzeugs und andererseits für die Befestigung des Motors am Fahrzeug notwendig sind.
  24. Zylinderkopf- und Motorblockanordnung nach Anspruch 2, dadurch gekennzeichnet, dass durch die Dichtung (305), die zwischen dem gemeinsamen Zylinderkopf (300) und dem Zylindergehäuse (100) angeordnet ist, wenigstens ein Kanal verläuft, der den Durchgang von mit Druck beaufschlagtem Schmieröl des Motors zwischen dem Zylindergehäuse und dem gemeinsamen Zylinderkopf sicherstellt.
  25. Zylinderkopf- und Motorblockanordnung nach Anspruch 2, dadurch gekennzeichnet, dass durch die Dichtung (305), die zwischen dem gemeinsamen Zylinderkopf (300) und dem Zylindergehäuse (100) angeordnet ist, wenigstens ein Kanal verläuft, der dem Öl, das die Schmierung der mechanischen Teile des gemeinsamen Zylinderkopfs (300) sichergestellt hat, ermöglicht, durch Schwerkraft in dem Zylindergehäuse (100) abzusinken.
  26. Zylinderkopf- und Motorblockanordnung nach Anspruch 2, dadurch gekennzeichnet, dass durch die Dichtung (305), die zwischen dem gemeinsamen Zylinderkopf (300) und dem Zylindergehäuse (100) angeordnet ist, wenigstens ein Kanal verläuft, der den "Blowby"-Gasen, die im Zylindergehäuse (100) vorhanden sind, ermöglicht, zum gemeinsamen Zylinderkopf (300) aufzusteigen.
  27. Zylinderkopf- und Motorblockanordnung nach Anspruch 2, dadurch gekennzeichnet, dass durch die Dichtung (305), die zwischen dem gemeinsamen Zylinderkopf (300) und dem Zylindergehäuse (100) angeordnet ist, wenigstens ein Kanal verläuft, der dem Kühlungsfluid des Motors ermöglicht, zwischen den Wasserkammern (303) des Zylindergehäuses (100) und den Wasserkammern (304) des gemeinsamen Zylinderkopfs (300) zu zirkulieren.
EP07730868A 2006-01-26 2007-01-26 Motorblock und zylinderkopfanordnung für einen motor mit variabler verdichtung Not-in-force EP1979592B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0600707A FR2896544B1 (fr) 2006-01-26 2006-01-26 Ensemble culasse et bloc moteur pour moteur a rapport volumetrique variable
US76289606P 2006-01-30 2006-01-30
PCT/FR2007/000150 WO2007085740A1 (fr) 2006-01-26 2007-01-26 Ensemble culasse et bloc moteur pour moteur a rapport volumetrique variable

Publications (2)

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EP1979592A1 EP1979592A1 (de) 2008-10-15
EP1979592B1 true EP1979592B1 (de) 2010-07-28

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US (1) US20100154748A1 (de)
EP (1) EP1979592B1 (de)
JP (1) JP5219840B2 (de)
KR (1) KR101309486B1 (de)
CN (1) CN101375039B (de)
AT (1) ATE475797T1 (de)
AU (1) AU2007209225B2 (de)
CA (1) CA2631673C (de)
DE (1) DE602007008060D1 (de)
ES (1) ES2348753T3 (de)
FR (1) FR2896544B1 (de)
WO (1) WO2007085740A1 (de)

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FR2933140B1 (fr) 2008-06-26 2011-11-11 Vianney Rabhi Dispositif de reglage du taux de compression a levee de bille pour moteur a taux de compression variable.
FR2933141B1 (fr) 2008-06-27 2011-11-11 Vianney Rabhi Dispositif de levee de bille a vis pour moteur a taux de compression variable.
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FR2969705B1 (fr) 2010-12-23 2014-04-04 Vianney Rabhi Vanne tubulaire de commande d'un moteur a rapport volumetrique variable
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AU2007209225A1 (en) 2007-08-02
FR2896544A1 (fr) 2007-07-27
CA2631673C (fr) 2014-06-17
CN101375039A (zh) 2009-02-25
FR2896544B1 (fr) 2008-05-02
AU2007209225B2 (en) 2011-07-21
ATE475797T1 (de) 2010-08-15
CN101375039B (zh) 2012-06-13
JP5219840B2 (ja) 2013-06-26
DE602007008060D1 (de) 2010-09-09
WO2007085740A1 (fr) 2007-08-02
ES2348753T3 (es) 2010-12-13
JP2009524768A (ja) 2009-07-02
EP1979592A1 (de) 2008-10-15
KR101309486B1 (ko) 2013-09-24
KR20080090467A (ko) 2008-10-08
CA2631673A1 (fr) 2007-08-02
US20100154748A1 (en) 2010-06-24

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