EP0918154A2 - Culasse pour un moteur à combustion interne - Google Patents

Culasse pour un moteur à combustion interne Download PDF

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Publication number
EP0918154A2
EP0918154A2 EP98122007A EP98122007A EP0918154A2 EP 0918154 A2 EP0918154 A2 EP 0918154A2 EP 98122007 A EP98122007 A EP 98122007A EP 98122007 A EP98122007 A EP 98122007A EP 0918154 A2 EP0918154 A2 EP 0918154A2
Authority
EP
European Patent Office
Prior art keywords
cylinder head
oil
camshaft
bearing block
internal combustion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98122007A
Other languages
German (de)
English (en)
Other versions
EP0918154A3 (fr
EP0918154B1 (fr
Inventor
Masahiro c/o Yamaha Hatsudoki K. K. Uchida
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.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Publication of EP0918154A2 publication Critical patent/EP0918154A2/fr
Publication of EP0918154A3 publication Critical patent/EP0918154A3/fr
Application granted granted Critical
Publication of EP0918154B1 publication Critical patent/EP0918154B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • F01L1/022—Chain drive
    • 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
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • 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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • 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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/34403—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using helically teethed sleeve or gear moving axially between crankshaft and camshaft
    • F01L1/34406—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using helically teethed sleeve or gear moving axially between crankshaft and camshaft the helically teethed sleeve being located in the camshaft driving pulley
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
    • F01M9/10—Lubrication of valve gear or auxiliaries
    • 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
    • F02F1/26—Cylinder heads having cooling means
    • F02F1/36—Cylinder heads having cooling means for liquid cooling
    • F02F1/38—Cylinder heads having cooling means for liquid cooling the cylinder heads being of overhead valve type
    • 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
    • F01L1/047—Camshafts
    • F01L2001/0475—Hollow camshafts
    • 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
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • F01L2001/0537—Double overhead camshafts [DOHC]
    • 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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34426—Oil control valves
    • F01L2001/34433—Location oil control valves
    • 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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34436—Features or method for avoiding malfunction due to foreign matters in oil
    • F01L2001/3444—Oil filters
    • 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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L2001/34486—Location and number of the means for changing the angular relationship
    • F01L2001/34496—Two phasers on different camshafts
    • 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
    • F02B2275/18—DOHC [Double 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 
    • F02F1/24—Cylinder heads
    • F02F2001/244—Arrangement of valve stems in cylinder heads
    • F02F2001/245—Arrangement of valve stems in cylinder heads the valve stems being orientated at an angle with the cylinder axis
    • 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

Definitions

  • the invention relates to a cylinder head for an internal combustion engine.
  • adjustable valve timing control the internal EGR rate by controlling the intake valves and the exhaust valves in the direction a larger overlap to increase fuel consumption like also to reduce NOx emissions or to reduce pumping losses and thus fuel consumption by later closing the intake and exhaust valves to reduce.
  • the camshaft 105 is in one piece mounted on the cylinder head base 101 molded bearing web 101a, which with the oil paths 136, 137 for the supply of oil (control oil) from a control valve 150 to an adjustable valve timing control device and with oil path 138 for the oil supply (lubricating oil) of the other, the camshaft 105 bearing ridges is provided, so that the bearing bar 101a wide, and the overhang of the variable valve control device 110 from the cylinder head bolt 109 is large, which leads to the problem that the motor as a whole got longer and bigger.
  • the object of the invention is therefore to provide a cylinder head for a Internal combustion engine, which is a shorter and therefore smaller design the internal combustion engine enables.
  • a cylinder head for an internal combustion engine with a cylinder head base body, a camshaft, a fastening element for coupling the cylinder head base body with a cylinder block, and a bearing block for storing a section the camshaft, which is formed separately from the cylinder head base body, wherein the bearing block is attached to the cylinder head base body and in attached condition seen in cross section the fastening member overlaps.
  • the invention thereby causes that one end of the camshaft from the is stored in the existing bearing block separate from the cylinder head, whereby the block is mounted in the cylinder head so that it can be seen in cross section
  • Fastening element for example a cap screw
  • the motor overlaps that the internal combustion engine, hereinafter also referred to as the motor, with a shorter overall length can be.
  • An adjustable valve timing control device is preferably at one end of the camshaft (5, 6) (10, 20) arranged. This can make the size of a Overhang L of the adjustable valve timing device from the fastener of the cylinder head is reduced by exactly the amount of this overlap are so that the motor is constructed smaller with a reduced overall length can be.
  • Control valves are mounted and the control valves looped into them Oil paths formed collectively on the bearing block. This will the training of the oil ways and the number of work steps for processing of the cylinder head is reduced, so that labor and time are saved can be.
  • the bearing block is included preferably two pins positioned in the cylinder head base, wherein the bearing block together with a camshaft cap by means of a Camshaft cap mounting bolt attached to the cylinder head base body This allows the bearing block to be mounted exactly in the cylinder head, without this leading to a larger increase in the number of parts.
  • the internal combustion engine from which the invention is based acts is a multi-cylinder four-stroke engine, the cylinder head base body 1 per cylinder via the openings 3 for two intake valves and has two exhaust valves, being in the middle of the area between them Intake valve bores 2 and exhaust valve bores 3 spark plug bores 4 are formed. They are also located on the top of the Cylinder head 1 between the two inlet valve bores and the two exhaust valve bores, the bearing sections 1a and 1b, which the in 2 shown intake camshaft 5 and exhaust camshaft 6 to store.
  • Exhaust valve bores 3 sit the inlet valves, not shown, respectively Exhaust valves, while in the candle holes 4, not shown Spark plugs are screwed in so that their electrodes are in the cylinder head protrude, not shown, combustion chamber of each cylinder.
  • the motor embodying the embodiment as shown in Fig. 2 has each at one end of the intake camshaft 5 and the Exhaust camshaft 6, the adjustable valve timing control device 10, respectively. 20; by this adjustable valve timing control device 10 respectively. 20 becomes the time control the opening / closing of the inlet or not shown.
  • Exhaust valves optimally adapted to the operating state of the engine or regulated.
  • the cylinder head is right and left (in the figure above and below) at the top of the forehead on the side where the adjustable Valve timing device 10, 20 is mounted with two flat mounting surfaces 1c, each mounting surface 1c with two internal threads 7 and the pin holes 8 is provided.
  • intake camshaft 5 and exhaust camshaft 6 are each on the end at which you can adjust the valve timing 10, 20 are provided, through which, formed in block 32 bearing portions 32a, 32b freely rotatable, its upper half by the on the top of Block 32 mounted camshaft cap 33 is supported while the bearing block 32 is positioned by the pins 34 (see. Fig. 3 and 4), which in the Bores 8, which are in the respective mounting surfaces 1c of the cylinder head 1 are formed, according to FIG.
  • the adjustable valve timing control device 10 has one together with the Cover 12 by means of screw 11 at the end of the intake camshaft 5 screwed-on guide plate (boss member) 13, whereby on the outer circumference this guide plate 13 arranged relative to this rotatable housing 14 is, on the outer periphery of the innermost part of this housing 14th the chain sprocket 14a is formed in one piece on its inner circumference.
  • the molded in the housing 14 Space is divided by the piston member 15 into the oil chambers S1 and S2. Furthermore, the helical gear 15a is at one end of the piston member 15 educated; and this helical gear 15a stands with the part of the Inner circumference of the housing 14 formed helical gear (toothed ring) 14a engaged. The piston member 15a is between this and the Guide plate 13 inserted spring 16 tensioned to the outside.
  • the other oil chamber S2 formed in the housing 14 opens the oil path 18 formed of the guide plate 13 and the intake camshaft 5, this oil path 18 with that on the outer circumference of intake camshaft 5th formed oil groove 5a and the oil path 37 formed in the bearing block 32 (see FIG. 7).
  • the oil path 5b is in the axial direction formed, its region belonging to the journal having a plurality is provided by radially arranged oil holes 5c.
  • the one on the Block 32 bearing area of the intake camshaft 5 is on its provided the entire outer circumference with an oil supply groove 5d this oil supply groove 38 opens the oil path 38 formed in the bearing block 32, this oil path 38 with the equally formed in the bearing block 32 Oil routes 39, 40 is connected.
  • the one on the outer circumference of the intake camshaft 5 formed flange area 5e, 5f is from the end face of the block 32 added, with the bearing block 32 acting as the drawer bearing absorbs the thrust caused by the intake camshaft 5.
  • the outlet side is adjustable Valve timing control device 20 constructed in the same way.
  • the outlet-side adjustable valve timing control 20 is 21 the screw, 22 the cover, 23 the guide plate, 24 the housing, 25 the piston member, 26 the spring, 27, 28 the oil paths and S1, S2 the oil chambers.
  • the oil path 6b in the exhaust camshaft 6 is in axial direction, its region belonging to the journal provided with a plurality of oil bores 6c arranged in a radial manner is.
  • the journal area of the exhaust camshaft supported on the bearing block 32 6 has an oil supply groove 6d on its entire outer circumference provided, which formed in the bearing block 32 on this oil supply groove 6d Oil path 48 opens, this oil path 48 with the equally in Bearing block 32 trained oil paths 39, 40 is connected.
  • the one on the outer circumference the exhaust camshaft 6 is formed flange portion 6e, 6f taken from the face of block 32, with block 32 as the Drawer bearing acts that the thrust caused by the intake camshaft 6 records.
  • the adjustable one around the housing 14, 24 Valve timing control device 10, 20 designed camshaft pinion 14a, 24a and the drive sprocket, not shown, laid the endless timing chain 41; and if the timing chain 41 by the crankshaft sprocket, not shown then is transmitted to the drive pinion are intake camshaft 5 and exhaust camshaft 6 by the rotation of the Camshaft pinion 14a, 24a set in rotation, by this rotation the intake valves and exhaust valves not shown with the appropriate timing be opened and closed to the in all cylinders necessary gas changes.
  • the control valves 50, 51 mounted vertically, the upper part of the individual control valves according to FIG. 3 50, 51 through the round opening formed in the cylinder head cover 42 42a protrude outwards, being sealed all around with the sealant 53 are. Since the upper part of the individual control valves 50, 51 through the cylinder head cover 42 protruded outward, can to the control valves 50, 51 leading lines in a simple manner above the cylinder head cover 42 are wired.
  • the oil paths are at the inlet-side and at the outlet-side end of cylinder head 1 43 each formed vertically, the oil paths 37 as shown in FIG. 7 communicate with the outlet side of the oil pump 44. Furthermore is the cylinder head 1 at its top with the round openings 1d provided which are in communication with all oil routes 43, in all round openings 1d, the oil filters 45 are arranged, each oil filter 45 held by the bearing block 32 pressing on it in the round openings 1d becomes.
  • Fig. 8 illustrates another way of receiving the oil filter 45, according to This figure has a round opening 32e on the bottom surface of the bearing block 32 is formed, the oil filter 45 being received by the cavity, which of this round opening 32e and that of the cylinder head 1 trained round opening 1d is formed, the oil filter 45 also from the bearing block 32 pressing on it can be held in position.
  • this oil path 40 with that in turn with the two control valves 50, 51 communicating oil path 39 is connected, of which Control valves 50, 51 the oil paths 36, 37 and the oil paths 46, 47 each in Lead out diagonally towards the bearing journal area 32, 32b. Further branch off the oil paths 38, 48 from the oil path 39 in order to provide oil (lubricating oil) Guide pin 32a, 32b of the block 32.
  • the oil route (Return path) which returns the oil to the oil pan, not shown.
  • Oil path 40 flows into oil path 39, part of which from the oil paths 38, 48 of the oil grooves 5d, 6d of the inlet side and the outlet side Camshaft 5, 6 through the oil paths 5b, 6b of the intake side and the exhaust side Camshaft 5b, 6b flows, being made from the radiating ones Oil bores 5c, 6c injecting the journal area from the inlet and outlet side Lubricates camshaft 5, 6.
  • the rest of that through the oil route 39 in Block 32 of flowing oil is directed into the control valves 50, 51.
  • the function of the control valves 50, 51 is determined by the electronic, not shown Engine control unit (ECU) the operating state of the engine with internal combustion controlled accordingly, so that by switching the supply of Oil to the adjustable valve timing control devices 10, 20 the oil to the oil chamber S1 and S2 supplied to the adjustable valve timing control 10, 20 and so the timing for opening / closing the intake / exhaust valves is advanced or adjusted late.
  • ECU Engine control unit
  • the housing 14, 24 rotates relative to the intake / exhaust camshaft 5, 6, then the relative position of the cams on the intake / exhaust camshaft changes, and the timing for opening / closing the Intake / exhaust valves are adjusted early / late, so that in the various operating areas by increasing overlap of the intake valves with the exhaust valves, the internal EGR is increased, thereby reducing fuel consumption and NO x emissions, or, depending on the operating area, by late adjusting the intake and exhaust valves Pump losses occurring in the compression cycle and thus the fuel consumption can be reduced.
  • one end of the intake / exhaust camshaft 5, 6 from that existing in the separate to the cylinder head 1 Bearing block 32 trained bearing journal area 32a, 32b, 5 due to the fact that this block 32 in the cylinder head 1 is mounted that, seen in cross section, it overlaps the cap screw 9, 5 the size of the overhang L of the adjustable valve timing 10, 20 reduced by the cap screw 9 by exactly the amount of this overlap can be, so that the internal combustion engine with reduced Overall length can be constructed smaller.
  • the bearing block 32 is positioned in the cylinder head 1 with two pins 34, the block 32 together with the camshaft cap 33 by means of the Camshaft cap screw 35 is screwed to the cylinder head 1 so that the bearing block 32 can be mounted exactly in the cylinder head base body 1, without this leading to a considerable increase in the number of parts would.
  • control valves 50, 51 are mounted on the bearing block 32, the these control valves 50, 51 looped in oil paths 36-40, 46-48 in aggregate Form in block 32 are formed so that these oil paths 36-40, 46-48 easier can be trained and accordingly the number of operations for machining the cylinder head 1 and thus working time and Reduce costs.
  • oil filter 45 in the embodiment of the embodiment Cylinder head 1 attached, held in place by the bearing block 32 are so that a rational arrangement of this oil filter 45 is possible and the Number of machining operations for the cylinder head 1 can be reduced.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
EP98122007A 1997-11-19 1998-11-19 Culasse pour un moteur à combustion interne Expired - Lifetime EP0918154B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP31805197A JP3847428B2 (ja) 1997-11-19 1997-11-19 内燃エンジンのシリンダヘッド構造
JP318051/97 1997-11-19
JP31805197 1997-11-19

Publications (3)

Publication Number Publication Date
EP0918154A2 true EP0918154A2 (fr) 1999-05-26
EP0918154A3 EP0918154A3 (fr) 2000-03-15
EP0918154B1 EP0918154B1 (fr) 2006-05-31

Family

ID=18094941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98122007A Expired - Lifetime EP0918154B1 (fr) 1997-11-19 1998-11-19 Culasse pour un moteur à combustion interne

Country Status (4)

Country Link
US (1) US6035817A (fr)
EP (1) EP0918154B1 (fr)
JP (1) JP3847428B2 (fr)
DE (1) DE59813570D1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10223431A1 (de) * 2002-05-25 2003-12-11 Ina Schaeffler Kg Brennkraftmaschine mit zumindest zwei nebeneinander angeordneten, jeweils mit einer Vorrichtung zur Drehwinkelverstellung gegenüber einer Kurbelwelle ausgebildeten Nockenwellen
EP1865156A1 (fr) * 2006-06-07 2007-12-12 Ford Global Technologies, LLC Système d'arbre à cames pour moteur à combustion interne
EP1865157A1 (fr) 2006-06-07 2007-12-12 Ford Global Technologies, LLC Système d'alimentation en huile pour moteur à combustion interne
DE10209197B4 (de) * 2001-03-10 2015-05-21 Ford Global Technologies, Llc (N.D.Ges.D. Staates Delaware) Motoranordnung für eine Brennkraftmaschine mit variabler Nockenwelleneinstellung und Montageverfahren dafür

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4229501B2 (ja) * 1998-11-13 2009-02-25 ヤマハ発動機株式会社 エンジンのオイルコントロールバルブ配置構造
US6705264B2 (en) 1998-12-24 2004-03-16 Yamaha Marine Kabushiki Kaisha Valve control for outboard motor engine
JP3856070B2 (ja) * 1998-12-29 2006-12-13 スズキ株式会社 内燃機関のオイル通路構造
JP3859046B2 (ja) * 1998-12-29 2006-12-20 スズキ株式会社 内燃機関のオイル通路
JP3778404B2 (ja) * 1998-12-29 2006-05-24 スズキ株式会社 エンジンの油圧制御弁取付構造
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JP3847428B2 (ja) 2006-11-22
US6035817A (en) 2000-03-14
DE59813570D1 (de) 2006-07-06
JPH11148426A (ja) 1999-06-02
EP0918154A3 (fr) 2000-03-15
EP0918154B1 (fr) 2006-05-31

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