EP3450706A1 - Dispositif de logement rotatif d'un arbre à cames - Google Patents

Dispositif de logement rotatif d'un arbre à cames Download PDF

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Publication number
EP3450706A1
EP3450706A1 EP18184901.9A EP18184901A EP3450706A1 EP 3450706 A1 EP3450706 A1 EP 3450706A1 EP 18184901 A EP18184901 A EP 18184901A EP 3450706 A1 EP3450706 A1 EP 3450706A1
Authority
EP
European Patent Office
Prior art keywords
bearing body
cylinder head
camshaft
mounting frame
bearing
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
EP18184901.9A
Other languages
German (de)
English (en)
Other versions
EP3450706B1 (fr
Inventor
Peter Bogdanski
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.)
MAN Truck and Bus SE
Original Assignee
MAN Truck and Bus SE
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 MAN Truck and Bus SE filed Critical MAN Truck and Bus SE
Priority to EP21157914.9A priority Critical patent/EP3842622B1/fr
Publication of EP3450706A1 publication Critical patent/EP3450706A1/fr
Application granted granted Critical
Publication of EP3450706B1 publication Critical patent/EP3450706B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • 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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/181—Centre pivot rocking arms
    • 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
    • F01L2001/0476—Camshaft 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
    • 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 device for rotatably supporting a camshaft.
  • Camshafts are needed in internal combustion engines for controlling the intake and exhaust valves and attached via so-called bearing blocks, for example.
  • bearing blocks On a cylinder head in the cylinder crankcase of the engine.
  • the bearing blocks can also be attached to a mounting frame.
  • the bearing blocks rotatably support the camshaft. In order to achieve the smoothest possible storage of the camshaft, it is necessary that the camshaft and the bearing blocks are aligned with respect to the cylinder head.
  • the DE 10 2011 081 483 A1 discloses a method for simplified and positionally accurate fixation of a camshaft module with a camshaft and bearing blocks on a cylinder head.
  • the pedestals are mounted in the axial direction and aligned with respect to an angle on the camshaft.
  • the camshaft is aligned with two alignment elements relative to the cylinder head.
  • the individual bearing blocks are bolted to the cylinder head with simultaneous or intermediate rotation of the camshaft.
  • a cylinder head for an internal combustion engine is known. At least one bearing block with a bearing half for a camshaft and a bearing half for a rocker shaft for at least one rocker arm is provided on the cylinder head.
  • the cylinder head has a first separate lubricant supply channel and a second separate lubricant supply channel in the bearing block. A first end of the second lubricant supply passage communicates with the first lubricant supply passage. A second end of the second lubricant supply channel terminates open in a bearing surface for the rocker shaft.
  • the WO 2008/061382 A1 discloses a camshaft assembly.
  • the camshaft assembly has at least two bearing blocks, each with a bearing receptacle, in which a shaft portion of a camshaft is rotatably mounted on.
  • At each bracket is a flat contact surface for support and mounting of the bearing block is formed on a bearing surface of a cylinder head.
  • Each bearing block is attached to the cylinder head with two screws each.
  • the EP 0 285 598 B1 discloses an injection internal combustion engine having in-line cylinders, two overhead camshafts, and four valves and a central pump nozzle per cylinder. Above the associated camshaft on the cylinder head detachably mounted rocker arms are provided for driving the pump nozzles.
  • the drive of the cam for the rocker arms for actuating the pump nozzles takes place alternately for a cylinder from the one camshaft and for the adjacent cylinder from the second camshaft, wherein each rocker arm is fastened individually.
  • the detachable individual attachment of the rocker arm takes place on the bearing blocks fastened by screws on the cylinder head, wherein the screws also serve for anchoring bearing parts for the camshafts.
  • the DE 10 2007 025 129 A1 discloses a cylinder head cover for covering a cylinder crankcase of an internal combustion engine. At least one upper bearing part for a camshaft has at least one passage opening, which is aligned on the one hand with a screw-in / through hole in a bearing base and / or a screw-in in the cylinder crankcase and on the other hand with a through hole in the cylinder head cover. A fastening of the cylinder head cover and the bearing upper part on the cylinder crankcase is possible via a common fastening screw.
  • the invention is based on the object to provide an alternative or improved device for rotatably supporting a camshaft.
  • a simple and space-optimized design should be realized.
  • the device is provided for rotatably supporting a camshaft of an internal combustion engine.
  • the device has a first bearing body with a receptacle for rotatably supporting the camshaft.
  • the device has a cylinder head or a mounting frame for fixing the first bearing body.
  • the device includes a first attachment means (eg, a first attachment screw) that secures the first bearing body to the cylinder head or mounting frame.
  • the first attachment means is the only attachment means that secures (fixes) the first bearing body to the cylinder head or mounting frame.
  • the device has the advantage that a space-saving design of the first bearing body is made possible.
  • the first bearing body only has to provide sufficient material for receiving the fastener on one side next to the camshaft receptacle.
  • the first bearing body may be formed asymmetrically with respect to a vertical plane through a central longitudinal axis of the receptacle.
  • manufacturing costs may be reduced because fewer fasteners are needed, fewer fastener (e.g., screw holes) receivers need to be made and assembly time is reduced.
  • the first bearing body may be attached either to a cylinder head or to a mounting frame.
  • the cylinder head or mounting frame can also be designed more freely.
  • the first bearing body may have a first side region, in which the first fastening means is accommodated, and a second side region, opposite the first side region, with respect to the receptacle for the camshaft.
  • the cylinder head may include a flow passage extending in an area of the cylinder head disposed adjacent to the second side portion (eg, adjacent to the second side portion (eg, below the second side portion with respect to a vertical axis) of the first bearing body.
  • the flow channel may preferably have a casting projection-free shape (design) in this area. This is made possible by the fact that no Gußbütze (Gußvorsprung) is necessary for receiving a blind hole for another fastener. Thus, the provision of only a single fastener can contribute to a flow-optimized design of a flow channel in the cylinder head.
  • the receptacle for the camshaft may be a cylindrical through hole or a recess in the form of a half cylinder.
  • the mounting frame when using a mounting frame for attaching the first bearing body, the mounting frame may be fixed (fixed, fixed) to a cylinder head.
  • the camshaft is arranged as an overhead camshaft.
  • the camshaft is pressed down during operation of the camshaft.
  • the camshaft does not tend to lift off, whereby the use of a single fastener may be sufficient.
  • the first attachment means is a first attachment screw.
  • the first fastening screw may be the only fastening screw that secures the first bearing body to the cylinder head or mounting frame.
  • the first bearing body may preferably have a through hole for receiving the first fastening means, in particular the first fastening screw, which extends through the through hole.
  • the first fastening means fixed to the first bearing body non-positively and positively on the cylinder head or mounting frame.
  • the first attachment means may be a releasable attachment means.
  • the first attachment means may be the only (eg releasable) attachment means of the device.
  • the first bearing body forms a one-piece bearing block for supporting the camshaft.
  • the device has a second bearing body with a receptacle (for example as a recess in the form of a half cylinder) for supporting the camshaft.
  • the first bearing body and the second bearing body together form a two-part bearing block.
  • the receptacle (for example as a recess in the form of a half cylinder) of the first bearing body and the receptacle (for example as a recess in the form of a half cylinder) of the second bearing body form a common receptacle for the camshaft.
  • the present disclosure is useful not only for one-piece pedestals but also for two-piece pedestals.
  • the present disclosure can be used not only with built-in camshafts but also with forged camshafts where threading of the pedestals is not possible.
  • the second bearing body a through hole for receiving the first fastening means, in particular the first fastening screw, the / by the Through hole extends, have.
  • the through hole of the first bearing body and the through hole of the second bearing body may be aligned with each other.
  • first bearing body and the second bearing body via a second fastening means, in particular a second fastening screw, to each other, preferably non-positively and positively secured.
  • first attachment means and the second attachment means may be provided on opposite sides of the first bearing body with respect to the camshaft housing.
  • the second attachment means may be a releasable attachment means.
  • first attachment means and the second attachment means are the only attachment means of the device.
  • the first fastening means additionally fixes the second bearing body on the cylinder head or mounting frame. It is also possible that the first attachment means is the only attachment means that secures the second bearing body to the first bearing body.
  • the device further comprises at least one positioning element, which is arranged between the first bearing body and the second bearing body for positioning the first bearing body relative to the second bearing body. This can be ensured in particular that the camshaft receptacles of the bearing body are aligned with each other.
  • the positioning elements can position the first bearing body relative to the second bearing body in a plane perpendicular to the longitudinal axis of the first fastening means.
  • the device may not include a positioning member for positioning the first or second bearing body relative to the cylinder head or mounting frame. This can save the costs for the positioning elements.
  • the at least one positioning element arranged between the first bearing body and the second bearing body comprises a positioning pin, a fitting sleeve surrounding the first fastening means, and / or a fitting sleeve surrounding the second fastening means.
  • the use of dowel sleeves a allow small dimensioning of the bearing bodies, since no additional material areas are required for the provision of holes for positioning pins.
  • the apparatus further comprises at least one positioning element disposed between the first or second bearing body and the cylinder head or mounting frame for positioning the first or second bearing body relative to the cylinder head or mounting frame.
  • the positioning elements may position the first or second bearing body relative to the cylinder head or mounting frame in a plane perpendicular to the longitudinal axis of the first fastening means.
  • the at least one positioning element arranged between the first or second bearing body and the cylinder head or the mounting frame comprises a positioning pin and / or a fitting sleeve which surrounds the first fastening means.
  • the use of a fitting sleeve may allow for a small dimensioning of the bearing bodies, since no additional material areas are needed for providing holes for positioning pins.
  • the camshaft is mounted in a plurality of spaced apart longitudinally of the camshaft devices for rotatably supporting the camshaft.
  • the device has a rocker shaft for rotatably supporting a rocker arm.
  • the first fastening means additionally secures the rocker arm axis to the cylinder head or mounting frame, and in particular also to the first and / or second bearing body.
  • the first bearing body has a receptacle for the rocker shaft, which is preferably arranged on a side opposite the cylinder head or mounting frame side of the first bearing body.
  • a lubricating fluid longitudinal channel of the rocker shaft is in fluid communication with the receptacle for the camshaft of the first bearing body, preferably via a branch channel of the first bearing body and a branch channel of the rocker shaft. This allows a lubricating fluid to flow via the rocker shaft to a plain bearing of the camshaft.
  • the mounting frame or the cylinder head has a hole, in particular a blind hole or a through hole, with a thread for non-positive and positive fastening of the first bearing body on the mounting frame or cylinder head by means of the first attachment means.
  • the first fastening means in particular in the form of a fastening screw for fastening the first bearing body (and optionally the second bearing body) can be screwed directly into the blind hole.
  • the first bearing body is formed asymmetrically with respect to a vertical plane through a central longitudinal axis of the receptacle for the camshaft. This is made possible in particular by the provision of a single attachment means (the first attachment means) for attachment to the cylinder head or mounting frame.
  • the first fastening means can produce a tilting moment for supporting the first bearing body on a bearing surface of the cylinder head or mounting frame.
  • the invention also relates to a motor vehicle, in particular commercial vehicle, with a device as disclosed herein.
  • the commercial vehicle may be, for example, a truck or a bus.
  • FIG. 1 shows a device 10 for rotatably supporting a camshaft 12.
  • the device 10 has a bearing body 14, a cylinder head 16, a fastening screw 18 and a rocker shaft 20.
  • the apparatus 10 may be used with any internal combustion engine for supporting the camshaft 12.
  • the internal combustion engine may be included, for example, in a motor vehicle, in particular a commercial vehicle.
  • the commercial vehicle may be, for example, a truck or a bus.
  • the bearing body 14 is formed as a one-piece bracket.
  • the bearing body 14 has a receptacle 22 for the camshaft 12.
  • the camshaft 12 can be rotatably mounted in the receptacle 22 via a sliding bearing.
  • the receptacle 22 is a cylindrical through-bore of the bearing body 14.
  • the camshaft 12 is a built camshaft. A cylindrical portion of the camshaft 12 is inserted in the disassembled state of the camshaft 12 in the receptacle 22. The camshaft 12 is then assembled.
  • a plurality of bearing bodies 14 along a longitudinal axis of the camshaft 12 is provided for rotatably supporting the camshaft 12, a plurality of bearing bodies 14 along a longitudinal axis of the camshaft 12 is provided.
  • the camshaft 12 is arranged as an overhead camshaft (OHC).
  • the bearing body 14 is fastened (fixed) to the cylinder head 16 via the fastening screw 18.
  • the fastening screw 18 extends through a through hole 24 of the bearing body 14.
  • the fastening screw 18 is screwed into a thread of a blind hole 26 of the cylinder head 16.
  • the blind hole 26 extends into a cast slug (casting protrusion) 27, which is shaped in particular for providing the blind hole 26 or a through-hole.
  • fastening screw 18 is the only fastening screw which secures the bearing body 14 to the cylinder head 16.
  • Conventional bearing blocks usually use two or four screws fixing the bearing body to the cylinder head.
  • the fastening screw 18 is sufficient as the only fastening screw for the bearing body 14.
  • the camshaft 12 is pressed down during operation by the cam follower of the rocker arm.
  • the weight of the camshaft 12 also acts down.
  • the camshaft 12 thus shows no tendency to lift off the cylinder head 16 together with the bearing body 14.
  • by the screw force of the fastening screw 18 and a one-sided material area next to the fastening screw 18 (left in FIG. 1 ) generates a tilting moment on a bearing surface 29 to the cylinder head 16, which securely holds the first bearing body 14 on the cylinder head 16.
  • the bearing body 14 starting from the receptacle 22, has only on one side a material area for receiving the fastening screw 18. On the opposite side of the bearing body 14 can end directly with a recording 22 limiting wall area.
  • the bearing body 14 can be better adapted to the available space.
  • the bearing body 14 may be formed asymmetrically with respect to a vertical plane through a central longitudinal axis of the receptacle 22 of the bearing body 14.
  • the cylinder head 16 in particular in the region A, does not have a cast slug (no casting protrusion) for providing a blind hole for screwing in a fastening screw. Instead, the region A can be formed, for example, flow-optimized for a fluid channel 28 in the cylinder head 16.
  • a part number of the device can be reduced due to the reduction of the fastening screws.
  • the production time and assembly time are reduced because fewer screw holes are made and less mounting screws must be mounted.
  • the present disclosure is not limited to that the fastening screw 18, the bearing body 14 on the cylinder head 16th attached.
  • the fastening screw 18 could fix the bearing body 14 to a mounting frame 30.
  • the mounting frame 30 could then in turn be attached to a cylinder head.
  • a part of a mounting frame 30 may be an area shown below the bearing body 14.
  • the rocker shaft 20 is for rotatably supporting a rocker arm (not shown).
  • the rocker arm is via a cam follower in operative connection between the camshaft 12 and one or more gas exchange valves (not shown) for actuating the gas exchange valves.
  • the mounting screw 18 additionally the rocker shaft 20 on the cylinder head 16 (mounting frame 30).
  • the fastening screw 18 extends through a through hole 32 of the rocker shaft 20.
  • the holes 32, 24 and 26 are aligned with each other along a longitudinal axis of the fastening screw 18.
  • a screw head 18A rests on a contact surface 20A of the rocker shaft 20.
  • the rocker shaft 20 is mounted in a receptacle 21 of the bearing body 14. The additional attachment of the rocker shaft 20 via the fastening screw 18 is optional.
  • a lubricating fluid via a longitudinal channel 34 of the rocker shaft 20 can be supplied.
  • a branch channel 36 of the rocker shaft 20 opens into a branch channel 38 of the bearing body 14.
  • the branch channel 38 in turn opens into the receptacle 22nd
  • positioning elements 40, 42 For relative positioning of the bearing body 14 relative to the cylinder head 16 (mounting frame 30) may optionally be used in addition positioning elements 40, 42.
  • the positioning elements 40, 42 position the bearing body 14 to the cylinder head 16 in a plane perpendicular to the longitudinal axis of the fastening screw 18th
  • the positioning member 40 is formed as a fitting sleeve.
  • the positioning element 40 is provided in a form-fitting manner in a recess 44 of the bearing body 14 and a recess 46 of the cylinder head 16 (mounting frame 30).
  • the positioning element 40 is to arranged the fastening screw 18 around, preferably without touching the fastening screw 18.
  • the positioning element 42 is designed as a positioning pin.
  • the positioning element 42 is provided in a form-fitting manner in a recess 48 of the bearing body 14 and a recess 50 of the cylinder head 16 (mounting frame 30).
  • the positioning elements can, for example, also be designed as dowel sleeves.
  • bearing body 14 could then, for example, by means of a guide through the camshaft 12, which is mounted in a plurality of bearing bodies 14, allowed.
  • FIG. 2 shows a further embodiment of an apparatus 110 for rotatably supporting the camshaft 12.
  • the device 110 is characterized in particular by the fact that it is also suitable for the rotatable bearings of forged camshafts, since a threading of the bearing blocks is not possible here.
  • the device 110 has a first bearing body 14A and a second bearing body 14B.
  • the first bearing body 14A and the second bearing body 14B constitute a two-piece bearing block.
  • the first bearing body 14A has a first receptacle 22A and the second bearing body 14B has a second receptacle 22B.
  • the receptacles 22A, 22B form a common receptacle in the form of a cylinder for the camshaft 12.
  • the fixing screw 18 is the only fixing screw which fixes (fixes) the bearing bodies 14A, 14B to the cylinder head 16 (fixing frame 30). More specifically, the fixing screw 18 extends through a through hole 24A of the first bearing body 14A and a through hole 24B of the second bearing body 14B.
  • a second fastening screw 52 may be provided which secures the first bearing body 14A to the second bearing body 14B.
  • the mounting bolts 18 and 52 may be positioned on opposite sides of the camshaft 12.
  • the fastening screw 52 extends through a through-hole 58 in the first bearing body 14A.
  • the fastening screw 52 is screwed into a thread of a blind hole 60 of the second bearing body 14B.
  • Positioning elements 54 and 56 are provided for positioning the bearing bodies 14A and 14B relative to each other.
  • the positioning elements 54, 56 position the first bearing body 14A to the second bearing body 14B in a plane perpendicular to the longitudinal axis of the fastening screw 18.
  • the positioning elements 54, 56 are formed as dowel sleeves, but may, for example, also be formed as dowel pins.
  • the positioning elements 54, 56 connect the first bearing body 14 A in a form-fitting manner with the second bearing body 14 B.
  • the positioning element 54 is arranged around the fastening screw 18, preferably without touching the fastening screw 18.
  • the positioning element 56 is arranged around the fastening screw 52, preferably without touching the fastening screw 52.
  • the device 110 of FIG. 2 is an embodiment in which no positioning elements for positioning the first and second bearing body 14A, 14B relative to the cylinder head 16 (mounting frame 30) are provided. In further developments of this embodiment, positioning elements could be provided between the second bearing body 14B and the cylinder head 16 (mounting frame 30).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
EP18184901.9A 2017-08-18 2018-07-23 Dispositif de logement rotatif d'un arbre à cames Active EP3450706B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21157914.9A EP3842622B1 (fr) 2017-08-18 2018-07-23 Dispositif de logement rotatif d'un arbre à cames

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017118862.2A DE102017118862A1 (de) 2017-08-18 2017-08-18 Vorrichtung zum drehbaren Lagern einer Nockenwelle

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP21157914.9A Division EP3842622B1 (fr) 2017-08-18 2018-07-23 Dispositif de logement rotatif d'un arbre à cames
EP21157914.9A Division-Into EP3842622B1 (fr) 2017-08-18 2018-07-23 Dispositif de logement rotatif d'un arbre à cames

Publications (2)

Publication Number Publication Date
EP3450706A1 true EP3450706A1 (fr) 2019-03-06
EP3450706B1 EP3450706B1 (fr) 2021-03-31

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EP18184901.9A Active EP3450706B1 (fr) 2017-08-18 2018-07-23 Dispositif de logement rotatif d'un arbre à cames
EP21157914.9A Active EP3842622B1 (fr) 2017-08-18 2018-07-23 Dispositif de logement rotatif d'un arbre à cames

Family Applications After (1)

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EP21157914.9A Active EP3842622B1 (fr) 2017-08-18 2018-07-23 Dispositif de logement rotatif d'un arbre à cames

Country Status (6)

Country Link
US (1) US20190055897A1 (fr)
EP (2) EP3450706B1 (fr)
JP (1) JP7248391B2 (fr)
CN (2) CN109404082B (fr)
BR (1) BR102018016619B1 (fr)
DE (1) DE102017118862A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111472861B (zh) * 2020-05-08 2024-04-02 广西玉柴机器股份有限公司 发动机制动系统的油路跨接机构
CN111648835B (zh) * 2020-06-22 2021-05-11 东风商用车有限公司 一种凸轮轴座总成及轴承座总成组

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EP1936130A2 (fr) * 2006-12-21 2008-06-25 OTICS Corporation Structure de support et élément de support pour arbre à cames
WO2010086517A1 (fr) * 2009-01-28 2010-08-05 Peugeot Citroën Automobiles SA Methode de positionnement de pieces mecaniques
CN102061952A (zh) * 2010-10-08 2011-05-18 奇瑞汽车股份有限公司 一种凸轮轴轴承座
WO2012055150A1 (fr) * 2010-10-31 2012-05-03 无锡开普动力有限公司 Structure de lubrification pour culasse

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EP3842622A1 (fr) 2021-06-30
EP3450706B1 (fr) 2021-03-31
BR102018016619A2 (pt) 2019-07-16
DE102017118862A1 (de) 2019-02-21
BR102018016619A8 (pt) 2023-02-14
JP7248391B2 (ja) 2023-03-29
CN114856745A (zh) 2022-08-05
CN109404082A (zh) 2019-03-01
RU2018129776A (ru) 2020-02-17
BR102018016619B1 (pt) 2023-10-03
RU2018129776A3 (fr) 2021-12-27
EP3842622B1 (fr) 2024-04-03
US20190055897A1 (en) 2019-02-21
JP2019035410A (ja) 2019-03-07
CN109404082B (zh) 2022-05-03

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