EP3049646B1 - Rotor pour dispositif de réglage d'arbre à cames, ensemble de pièces permettant de produire un rotor pour un dispositif de réglage d'arbre à cames et procédé permettant de produire un élément structural assemblé, de préférence un rotor pour un dispositif de réglage d'arbre à cames - Google Patents

Rotor pour dispositif de réglage d'arbre à cames, ensemble de pièces permettant de produire un rotor pour un dispositif de réglage d'arbre à cames et procédé permettant de produire un élément structural assemblé, de préférence un rotor pour un dispositif de réglage d'arbre à cames Download PDF

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Publication number
EP3049646B1
EP3049646B1 EP14796412.6A EP14796412A EP3049646B1 EP 3049646 B1 EP3049646 B1 EP 3049646B1 EP 14796412 A EP14796412 A EP 14796412A EP 3049646 B1 EP3049646 B1 EP 3049646B1
Authority
EP
European Patent Office
Prior art keywords
sinter
rotor
fluid
recess
axial
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.)
Active
Application number
EP14796412.6A
Other languages
German (de)
English (en)
Other versions
EP3049646A2 (fr
Inventor
Rainer Schmitt
Antonio Casellas
Kerstin Ziegler
Christian Bösel
Uwe Stollberger
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.)
Schaeffler Technologies AG and Co KG
GKN Powder Metallurgy Engineering GmbH
Original Assignee
Schaeffler Technologies AG and Co KG
GKN Sinter Metals Engineering GmbH
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
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Publication of EP3049646A2 publication Critical patent/EP3049646A2/fr
Application granted granted Critical
Publication of EP3049646B1 publication Critical patent/EP3049646B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01L1/34—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2432—Methods of calibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2464—Characteristics of actuators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2058—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using information of the actual current value

Definitions

  • the present invention relates to a rotor for a phaser for rotation about an axis of rotation. Furthermore, the present invention relates to a kit of parts for producing a rotor for a phaser. Moreover, the present invention relates to a method for producing a joined component, preferably a rotor for a camshaft adjuster.
  • a camshaft adjuster for an internal combustion engine comprises a rotor and a stator interacting with the rotor.
  • the rotor can be connected to a camshaft of the internal combustion engine.
  • the rotor has at least one, advantageously at least two, radially outwardly pointing control vanes, while the stator surrounding the rotor has at least one radially and centrally oriented inwardly oriented stator pole.
  • the invention relates to a rotor for a camshaft adjuster, for example for a camshaft adjuster of the type described above.
  • each of the partial bodies having open fluid channel parts in its joining surface which form fluid channels when the first partial body is joined to the second partial body.
  • the joining surface has at least one sealing means, which is formed such that the fluid channels are sealed.
  • the sealing means may in this case be designed, for example, as elevations.
  • a manufacture of a rotor for a camshaft adjuster of two partial bodies is advantageous for enabling introduction of channels for a sealing fluid, which have complex courses, which would be limited in a mere machining of a one-piece rotor in its complexity. But even in the two-part design of the rotor, the leadership of the fluids is limited to such courses, which are mapped in a joint surface. As a consequence, in particular also in the positioning of the camshaft adjusting device within an engine and thereby also a positioning of the camshaft are subject to restrictions.
  • the invention is therefore based on the object to provide a rotor for a camshaft adjuster, which is improved in the possibilities of the course of the leadership of a pressurized fluid.
  • a rotor for a phaser for rotation about a rotation axis has an inner casing, an outer casing, at least one control vane at least substantially radially away from the outer casing, and at least one first fluid channel system and a second fluid channel system.
  • the first fluid channel system opens into a first fluid channel opening.
  • the second fluid channel system opens into a second fluid channel opening.
  • the first fluid channel system opens into the first fluid channel opening and the second fluid channel system open in the second fluid channel opening for adjustably pressurizing the first control wing side and the second control wing side by means of one or more pressure fluids, which are passed through the first fluid channel system and the second fluid channel system.
  • the first fluid channel opening preferably faces a first control wing side of the at least one control wing.
  • the second fluid channel opening preferably also faces a second control wing side of the at least one control wing.
  • the term rotor refers to the fact that the rotor is a component intended for rotational movement about an axis of rotation.
  • a rotational movement may be sufficient only by a few degrees.
  • the rotor is a rotationally symmetric component or an essentially rotationally symmetrical component.
  • it can also be provided in another embodiment that it is a non-rotationally symmetric component, in this case, the term of the rotation axis refers only to that axis about which a rotational movement is provided.
  • the term rotation axis therefore does not necessarily imply a required rotational symmetry, but merely refers to the fact that the rotor is intended for rotation.
  • first fluid channel system and the second fluid channel system refer to a fluid channel system being an ensemble of channels extending from an area of the inner shell to an opening. It can be provided, for example, that the first fluid channel system extends from the inner jacket to the outer jacket. In this case, the first fluid channel system should open in the first fluid channel opening.
  • a fluid channel system may for example consist of a fluid channel, but it can also be provided, for example, that a fluid channel system may have a plurality of fluid channels or other fluid-conducting geometries such as grooves, undercuts or the like, which merge into one another.
  • the control wing is a wing that points essentially radially from the axis of rotation.
  • control wing on an axis of symmetry, which includes the axis of rotation.
  • control vane may be sufficient for the basic function of the rotor for a camshaft adjuster.
  • the rotor has more than one control wing.
  • the control wing on at least three control wings.
  • control vanes are arranged in a uniform angular distribution, so that, for example, in the presence of N control wings two next control vanes would be brought into coincidence by rotation of the rotor by 360 / N degrees, where N is an integer which is at least 2 is.
  • a fluid channel opening is in accordance with the understanding of the embodiment explained above in such cases a first control wing side of the at least one control wing, if the first control wing side is the next surface associated with a control wing.
  • the term of the sintered joining part refers in particular to the fact that the sintered joining part is a component which has already undergone a sintering process. It is preferably provided that no further sintering of the sintered joining part is required any more. In other embodiments, however, it may be provided, for example, that still further sintering of the sintered part is provided and / or required. Likewise, further heat treatments may be provided and / or required.
  • the concept of the sintered joining part further comprises that the component is intended for joining to a sintered part by means of joining with at least one further sintered joining part.
  • a sintered joining part may in this case have, for example, a sintered metal, a sintered steel and / or a sintered ceramic.
  • the insert part can be a sintered part in a preferred embodiment.
  • the embodiment of the insert as a sintered part results in particular the advantage that a high flexibility in the design of the insert part possible and a machining is not necessarily required.
  • the insert part is not a sintered part but a sintered part, for example a cast or machined component, for example a metal, one Metal alloy or a ceramic.
  • a sintered part for example a cast or machined component, for example a metal, one Metal alloy or a ceramic.
  • an embodiment of the insert part may be provided from a plastic.
  • the insert is inserted in a gap which is formed by at least a first recess of the first sintered joining part and a second recess of the second sintered joining part.
  • the first sintered joining part has a recess and that the second sintered joining part has a recess, wherein in the joined state of the rotor, a gap is formed from the first recess and the second recess.
  • the insert part at least partially fills the intermediate space.
  • the gap is completely filled.
  • recess here refers to the fact that, for example, a depression can be formed in at least one of the sintered joining parts.
  • recess may also mean, for example, a continuous recess, for example a hole, which is continuous through the sintered joining part.
  • the notion of inserting the insert into the gap would be particularly related to the insert being at least partially encompassed by the first sintered joining part and at least partially by the second sintered joining part and, in particular, by the first sintered joining part and / or the second sintered joining part is enclosed, but not necessarily completely enclosed by this first sintered joining part and the second sintered joining part.
  • first sintered joining part, the second sintered joining part and / or the insert part are joined to one another in a force-fitting, positive-locking, frictionally engaged or other manner.
  • the first Sinter Schogeteil has a first axial recess which is formed as at least partially the axis of rotation circumferential first groove.
  • the first groove is connected to the first fluid channel opening via a first radial channel.
  • the first groove and / or the first radial channel thus form at least a part of the first fluid channel system.
  • the first groove acts as the first pressure fluid distributor.
  • the first axial recess is formed as a rotation axis at least partially circumferential first groove
  • the rotation axis can be distributed circumferentially and in circulation of the first groove can be a distribution of the pressurized fluid
  • the first groove is designed as a pressure fluid distributor.
  • the pressurized fluid can be distributed to different positions of the circulation of the axis of rotation. This results in the consequence of a greater flexibility in the positioning of the rotor and thus in the positioning of the camshaft adjuster within the engine.
  • the first axial recess is formed as a first groove which preferably completely surrounds the axis of rotation.
  • depression here refers to the fact that the recess is a recess which is located within the first sintered joining part.
  • it can be provided that it is an axial recess which is located in an area which extends beyond the extension of the insert part in the axial direction within the first sintered joining part.
  • the second sintered joining part has a second axial recess, which is formed as at least partially, preferably completely, the second axis running around the axis of rotation.
  • the second axial recess is connected to the second fluid channel opening via a second radial channel.
  • the second axial recess forms as a second pressure fluid distributor at least a part of the second fluid channel system.
  • the term radial passage refers to a channel which extends from the interior of the rotor to a fluid channel opening located on the outer jacket of the rotor.
  • the radial channel thus has at least one radial component.
  • the radial channel may be a channel running along a radial direction, which may be formed as a bore, for example. However, it can also be provided that the radial channel has deviating direction components from this radial direction. Thus, for example, be provided that the radial channel is formed in a meandering course.
  • the insert has at least a first undercut in its radial extent.
  • the first undercut occupies a portion of the axial extent of the insert from a first end of the axial extent of the insert.
  • the insert further has at least one second undercut in its radial extent.
  • the second undercut assumes a portion of the axial extent of the insert from the end of the axial extent of the insert located opposite the first end of the insert.
  • the first undercut partially revolves around the axis of rotation.
  • the second undercut also partially revolves around the axis of rotation.
  • the first undercut and the second undercut are alternately arranged, thereby causing a connection of the first axial recess and a connection of the second axial recess respectively with a radial channel.
  • the aim of the alternating connection of the first axial recess and the second axial recess by means of alternately formed on the insert part undercuts so for example by means of the alternating arrangement of the first undercut and the second undercut, the first axial recess by means of the first undercut with the first radial channel for formation connected to the first fluid channel system and the second undercut connected to the second axial recess with at least the second radial channel for binding the second fluid channel system.
  • the connection of the first undercut with the first of the first undercut with the first axial recess and the first radial channel and the connection of the second undercut with the second axial recess and the second radial channel are arranged alternately.
  • a number of more than two undercuts is formed on the insert part.
  • a number of undercuts double corresponds to a number of control wings.
  • a number of undercuts, which corresponds to twice the number of control wings, in particular has the advantage that for each of the existing control vanes in each case the first control wing side and the second control wing side can be acted upon with a pressurized fluid.
  • the first control blade side, starting from the first undercut can be pressurized with a first pressurized fluid and the second side can be pressurized with a second pressurized fluid starting from the second undercut.
  • Further control vanes of the rotor can be pressurized alternately in the circulation of the insert part undercuts on one control wing side with the first pressurized fluid and on another control vane side with the second pressurized fluid.
  • Another aspect of the invention which may be pursued independently as well as in combination with the other aspects of the invention, relates to a parts set for manufacturing a rotor for a phaser.
  • the separately present fluid guides of the first fluid channel system and the second fluid channel system is to be understood in this case to the effect that there is a separate fluid guide in the camshaft adjuster in the assembled state.
  • a fluid channel system has a first groove and a second groove introduced into the insert part, wherein the first groove and the second groove are separated from each other only after an application of the rotor to the camshaft.
  • Such a case is, as understood herein, encompassed by the terminology of the separate fluid guides.
  • first recess and / or the second recess is cylindrical at least over a portion of its axial extent.
  • first recess and / or the second recess is circular-cylindrical at least over a region of its axial extension.
  • the parts set can be provided, for example, that at least over a region of the axial extent of the first Sinter Stahls a radial extent of the first recess at least substantially corresponds to a radial extent of the insert part over a first axial section. This has the effect that an at least substantially flush insertion of the insert part into the first recess can be brought about.
  • the terms of the radial extent over a first axial portion and the radial extent over a second axial portion should be understood to mean that at each position of the outer shell of the insert at least at a portion of the axial portion, the entire radial extent of the entire recess flush by means of Insert part is completed, so that takes place in a axial direction after joining the first Sinter Stahls and the second Sinter Stahls with the insert part, a separation of the first recess of the second recess and thereby two independently present fluid channel systems by separation of the first axial recess and the second axial depression can be made of each other.
  • the first recess has a first radial surface which is formed as a first seat surface for a region of a first end side of the insert part.
  • the region of the first end face of the insert part is adjacent after positioning of the insert part on the first seat surface of a first axial recess of the first sintered joining part.
  • the second recess has a second radial surface which is formed as a second seat surface for a portion of a second end face of the insert part.
  • the region of the second end face of the insert part is adjacent to the second axial recess of the second sintered joining part after positioning of the insert part on the second seat surface.
  • the term of the seat here refers to a surface which is formed, for example, as an area with at least partially smaller radial recess than the radial extent of the first recess and the insert part.
  • the first seat surface and / or the second seat surface may be located as being in a parallel plane of an end face of the first sintered joining part and / or as being in a parallel plane of an end face of the second sintered joining part.
  • a distance of the first seat surface from the second seat surface in the joined state of the first sintered joining part and the second sintered joining part to a rotor is corresponding to an axial extent of the insert part.
  • a distance of the first seat from the second seat is greater than an axial extent of the insert part, wherein an axial extension of the insert part, for example by appropriately additionally inserted spacers or for example by effecting a press fit and / or friction fit of the insert can be effected within a recess of the first sintered joining part and / or the second sintered joining part.
  • the insert part has in its radial extent at least a first radial recess, which is formed as a first undercut.
  • a first fluid space is at least partially formed, which is arranged at least partially adjacent to the first axial recess.
  • the insert part has in its radial extent at least one second radial recess which is formed as a second undercut for forming a second fluid space, which is at least partially adjacent to the second axial recess.
  • the insert part between the radial recesses has an axial web for at least substantially flush termination with an inner jacket of the first sintered joining part and / or with an inner jacket of the second sintered joining part for separating the first fluid chamber from the second fluid space.
  • the term of the axial web designates a region of the insert part which, in the assembled state of the rotor, is positioned at least substantially flush with the inner jacket of the first and / or with the inner jacket of the second and at least one directional component which is at least one directional component of the axis of rotation of the rotor is partially parallel, so that extends at least along a portion of the axial ridge this in a direction from a first end side of the insert part to a second end side of the insert part.
  • An axial extent of the axial web should in this case correspond to at least one axial distance of the first undercut and the second undercut in order to allow the separation of the first undercut from the second undercut.
  • a further embodiment of the parts set can provide, for example, that the first sintered joining part has at least one first radial channel for forming the first fluid channel system by means of a connection of the first fluid space to the outer jacket.
  • the second sintered joining part has at least one second radial channel for forming the first fluid channel system by means of a connection of the second fluid space to the outer jacket.
  • first sintered joining part and the second sintered joining part have the same shape.
  • An embodiment of the first sintered joining part and of the second sintered joining part having an identical shape has the particular advantage that the manufacturing outlay for producing the parts set is reduced because the number of different components is reduced.
  • Another aspect of the invention which may be pursued independently as well as in combination with the other aspects of the invention, relates to a method of making a joined component.
  • this idea relates to a method for producing a joined component, which is designed as a rotor for a phaser.
  • the component which is joined by means of the method, has at least a first fluid channel system and a second fluid channel system.
  • the first fluid channel system and the second fluid channel system have a separate fluid guide.
  • the first recess of the first sintered joining part is cylindrical at least over a region of its axial extent.
  • the insert part is inserted into a second recess of a second sintered joining part.
  • the insert can be joined by inserting the insert with the first sintered joining part, the second sintered joining part, the first and the second sintered joining part and / or with other components, for example non-positively, frictionally, cohesively and / or in press fit.
  • a radial final dimension of the insert part is brought about by means of a pressure acting on the insert part, which is brought about by at least one of the first sintered joining part and the second sintered joining part.
  • the radial final dimension of the insert part can hereby be brought about in direct contact of the first sintered joining part and / or of the second sintered joining part on the insert part.
  • a further component is arranged between the insert part and the first sintered joining part and / or the second sintered joining part.
  • an axial final dimension of the insert part is brought about by means of a pressure acting on the insert part, which is brought about at least by the first sintered joining part and / or the second sintered joining part.
  • bringing about a radial final dimension and / or an axial final dimension of the insert part with the joining has the particular advantage that it is not necessary to bring about a final dimension of the insert part into the first sintered joining part and / or the second sintered joining part, so that the number of is reduced to be performed manufacturing steps.
  • a further advantage, which results from bringing about a final dimension of the insert part with pressure brought about by the first sintered joining part and / or the second sintered joining part, is the thereby facilitating a greater tolerance of the manufactured insert parts, so that the effort required for the production of the insert parts can be further reduced.
  • a parts set is used to add a rotor for a phaser.
  • a use of a parts set should be provided in particular for joining to a rotor with at least two separate fluid channel systems.
  • Fig. 1 an embodiment of a rotor 1 for a phaser can be seen in cross section.
  • the rotor 1 in this case has a first sintered joining part 12 and a second sintered joining part 13, which are joined together.
  • the first sintered joining part 12 has a first recess 21, the second sintered joining part 13 has a second recess 22, the first recess 21 having a first seating surface 23 and the second recess 22 having a second seating surface 24 for an insert part 14.
  • the insert member 14 is inserted in a space formed by the first recess 21 and the second recess 22.
  • the rotor 1 in the region of the first sintered joining part 12 has a first axial recess 15, wherein the first axial recess 15 is formed after the rotor 1 is placed on the camshaft 25 as a completely circumferential groove.
  • the insert 14 has a first undercut 17, which in its radial undercut overhangs the radial extent of the first seat 23 of the insert 14 on the first Sinterglageteil 12 and thereby forms a compound formed by the first undercut 17 space with the first axial recess 15 ,
  • the first completely circumferential groove, as which the first axial recess 15 is formed, thereby acts as the first pressure fluid distributor.
  • the Insert 14 on a second undercut 18, which projects beyond the radial extent of the second seat 24 of the insert 14 on the second Sinter Stahl 13 in its radial undercut and thereby a compound of the second completely circumferential groove formed second axial recess 16 to the through the second undercut 18 made room.
  • a connection from the second axial recess 16 via the second undercut 18 toward the first fluid channel opening 8 causes.
  • the insert 14 has next to the illustrated first undercut 17 and also the Fig. 1 to be taken second undercut 18 further undercuts, wherein in the Fig.
  • Fig. 2 an embodiment of the second sintered joining part 13 with the insert part 14 can be seen, which is introduced into the second recess of the second sintered joining part 13. It's the Fig. 2 Furthermore, a first undercut 17 can be seen, which is oriented with its opening facing the first Sinterglageteil, wherein the first Sinter Stahl the Fig. 2 is not apparent. As a result, a connection is effected from the first axial recess via the first undercut to the second fluid channel opening 10. Furthermore, the second undercut 18 of the Fig. 2 which establishes a connection between a second axial recess of the second sintered joining part 13 and, via the radial channel 26, a first fluid channel opening 8. Furthermore is Fig.
  • first Sinter Pilgeteil 12 facing undercuts with the second Sinter Pilgeteil facing undercuts are arranged alternately in the circulation of the insert member 14 about the rotation axis 20 in the orientation of the opening.
  • each of the two rotational directions corresponds to a pressurization via one of the two axial depressions.
  • both axial recesses are provided as completely circumferential grooves. A radial distribution of the corresponding pressure fluid to the respectively provided control wing side of the control wing takes place as described above on the associated with one of the two grooves undercuts.
  • Fig. 3 is a the rotor 1 of Fig. 2 to take similar rotor 1, wherein Fig. 3 opposite the Fig. 2 was added to the first Sinter Stahl 12.
  • the insert 14 is the Fig. 3 only to be seen in the inner recess of the rotor 1, which is provided for the insertion of the camshaft, for complete formation of the first groove of the first axial recess 15 and the second groove of the second axial recess 16th
  • Fig. 4 is the rotor of the Fig. 3 to be taken as part set 2 in an exploded view.
  • Fig. 5 the rotor 1 in joined state can be seen in section in an oblique view.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Claims (15)

  1. Rotor (1) pour un dispositif de réglage d'arbre à cames en vue de la rotation autour d'un axe de rotation, présentant une enveloppe intérieure (3), une enveloppe extérieure (4), au moins une pale de commande s'écartant au moins essentiellement radialement de l'axe de rotation (20), ainsi qu'au moins un premier système de canal fluidique (6) et un deuxième système de canal fluidique, le premier système de canal fluidique débouchant dans une première ouverture de canal fluidique (8) dans l'enveloppe extérieure (4) et le deuxième système de canal fluidique débouchant dans une deuxième ouverture de canal fluidique (10) dans l'enveloppe extérieure (4) en vue d'une sollicitation en pression ajustable du premier côté de la pale de commande (9) et du deuxième côté de la pale de commande (11) au moyen d'un ou de plusieurs fluides sous pression conduits à travers le premier système de canal fluidique (6) et le deuxième système de canal fluidique (7),
    caractérisé en ce que
    le rotor (1) comprend :
    - une première pièce d'assemblage par frittage (12),
    - une deuxième pièce d'assemblage par frittage (13) qui est assemblée à la première pièce d'assemblage par frittage (12), et
    - une pièce d'insertion (14) qui est insérée dans un espace intermédiaire qui est formé par au moins l'un d'un premier évidement de la première pièce d'assemblage par frittage (12) et d'un deuxième évidement de la deuxième pièce d'assemblage par frittage (13).
  2. Rotor (1) selon la revendication 1, caractérisé en ce que
    - la première pièce d'assemblage par frittage (12) présente un premier renfoncement axial (15) qui est réalisé sous forme de première rainure entourant au moins en partie l'axe de rotation (20), qui est connecté par le biais d'un premier canal radial à la première ouverture de canal fluidique (8) et forme en tant que premier distributeur de fluide sous pression au moins une partie du premier système de canal fluidique (6),
    et/ou
    - la deuxième pièce d'assemblage par frittage (13) présente un deuxième renfoncement axial (16) qui est réalisé sous forme de deuxième rainure entourant au moins en partie l'axe de rotation (20), qui est connecté par le biais d'un deuxième canal radial à la deuxième ouverture de canal fluidique (10) et forme en tant que deuxième distributeur de fluide sous pression au moins une partie du deuxième système de canal fluidique (7).
  3. Rotor (1) selon la revendication 1 ou la revendication 2, caractérisé en ce que la pièce d'insertion (14), dans son étendue radiale, sépare entièrement le premier renfoncement axial (15) du deuxième renfoncement axial (16) afin de séparer le premier système de canal fluidique (6) du deuxième système de canal fluidique (7).
  4. Rotor (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la pièce d'insertion (14) présente au moins une première contre-dépouille (17) dans son étendue radiale, laquelle, partant d'une première extrémité de l'étendue axiale de la pièce d'insertion (14), occupe une région partielle de l'étendue axiale de la pièce d'insertion (14) et en ce que la pièce d'insertion (14) présente au moins une deuxième contre-dépouille (18) dans son étendue radiale, laquelle, partant de l'extrémité, opposée à la première extrémité, de l'étendue axiale de la pièce d'insertion (14), occupe une région partielle de l'étendue axiale de la pièce d'insertion (14), la première contre-dépouille (17) et la deuxième contre-dépouille (18) s'étendant à chaque fois autour de l'axe de rotation et étant disposées dans ce cas en alternance en vue d'une connexion alternée du premier renfoncement axial avec au moins le premier canal radial pour former le premier système de canal fluidique (6) et du deuxième renfoncement axial avec au moins le deuxième canal radial pour former le deuxième système de canal fluidique (7).
  5. Jeu de pièces (2) pour fabriquer un rotor (1) selon l'une quelconque des revendications 1 à 4, dans lequel le rotor (1) présente au moins un premier système de canal fluidique (6) et un deuxième système de canal fluidique (7), le premier système de canal fluidique (6) et le deuxième système de canal fluidique (7) présentant un premier guidage de fluide se présentant sous forme séparée l'un de l'autre, caractérisé en ce que le jeu de pièces (2) comprend au moins :
    - une première pièce d'assemblage par frittage (12),
    - une deuxième pièce d'assemblage par frittage (13),
    - une pièce d'insertion (14) pour l'insertion dans un évidement qui est formé par au moins l'un d'un premier évidement de la première pièce d'assemblage par frittage (12) et d'un deuxième évidement de la deuxième pièce d'assemblage par frittage (13).
  6. Jeu de pièces (2) selon la revendication 5, caractérisé en ce que le premier évidement et/ou le deuxième évidement sont réalisés sous forme cylindrique au moins sur une région de leur étendue axiale.
  7. Jeu de pièces (2) selon la revendication 5 ou selon la revendication 6, caractérisé en ce que
    - une étendue radiale du premier évidement, au moins sur une région de l'étendue axiale de la première pièce d'assemblage par frittage (12), correspond au moins essentiellement à une étendue radiale de la pièce d'insertion (14) sur une première portion axiale, pour une introduction au moins essentiellement en affleurement de la pièce d'insertion (14) dans le premier évidement et/ou
    - une étendue radiale du deuxième évidement, au moins sur une région de l'étendue axiale de la deuxième pièce d'assemblage par frittage (13), correspond au moins essentiellement à une étendue radiale de la pièce d'insertion (14) sur une deuxième portion axiale, pour une introduction au moins essentiellement en affleurement de la pièce d'insertion (14) dans le deuxième évidement.
  8. Jeu de pièces (2) selon l'une quelconque des revendications 5 à 7, caractérisé en ce que
    - le premier évidement présente une surface radiale qui est réalisée sous forme de première surface de siège pour une région d'un premier côté frontal de la pièce d'insertion (14) qui est adjacente à un premier renfoncement axial de la première pièce d'assemblage par frittage (12), et/ou
    - le deuxième évidement présente une deuxième surface radiale qui est réalisée sous forme de deuxième surface de siège pour une région d'un deuxième côté frontal de la pièce d'insertion (14) qui est adjacente à un deuxième renfoncement axial de la deuxième pièce d'assemblage par frittage (13).
  9. Jeu de pièces (2) selon l'une quelconque des revendications 5 à 8, caractérisé en ce que la pièce d'insertion (14) présente, dans son étendue radiale, au moins un premier évidement radial qui est réalisé sous forme de première contre-dépouille (17) pour former un premier espace de fluide dans l'état assemblé du rotor, laquelle est disposée de manière au moins en partie adjacente au premier renfoncement axial (15) ;
    et/ou en ce que la pièce d'insertion (14) présente, dans son étendue radiale, au moins un deuxième évidement radial qui est réalisé sous forme de deuxième contre-dépouille (18) pour former un deuxième espace de fluide dans l'état assemblé du rotor, laquelle est disposée de manière au moins en partie adjacente au deuxième renfoncement axial (16).
  10. Jeu de pièces (2) selon la revendication 9, caractérisé en ce que la pièce d'insertion (14) présente, entre les évidements radiaux, une nervure axiale (19) pour se terminer au moins essentiellement en affleurement avec une enveloppe intérieure (3) de la première pièce d'assemblage par frittage et/ou avec une enveloppe intérieure (3) de la deuxième pièce d'assemblage par frittage pour la séparation du premier espace fluidique du deuxième espace fluidique.
  11. Jeu de pièces (2) selon la revendication 10, caractérisé en ce que la première pièce d'assemblage par frittage (12) présente au moins un premier canal radial pour former le premier système de canal fluidique (6) au moyen d'une connexion du premier espace fluidique avec l'enveloppe extérieure (4) et/en ce que la deuxième pièce d'assemblage par frittage (13) présente au moins un deuxième canal radial pour former le premier système de canal fluidique (6) au moyen d'une connexion du deuxième espace fluidique avec l'enveloppe extérieure (4).
  12. Jeu de pièces (2) selon l'une quelconque des revendications 5 à 11, caractérisé en ce que la première pièce d'assemblage par frittage (12) et la deuxième pièce d'assemblage par frittage (13) présentent une réalisation identique.
  13. Procédé de fabrication d'un rotor (1) selon l'une quelconque des revendications 1 à 4, dans lequel le rotor (1) présente au moins un premier système de canal fluidique (6) et un deuxième système de canal fluidique (7), le premier système de canal fluidique (6) et le deuxième système de canal fluidique (7) présentant un guide de fluide se présentant sous forme séparée l'un de l'autre, caractérisé en ce que l'assemblage du composant fritté comprend au moins :
    - l'insertion d'au moins une pièce d'insertion (14) dans un premier évidement d'une première pièce d'assemblage par frittage (12),
    - l'assemblage des pièces d'assemblage par frittage (12, 13),
    - l'assemblage la pièce d'insertion (14) avec au moins l'une de la première pièce d'assemblage par frittage (12) et de la deuxième pièce d'assemblage par frittage (13).
  14. Procédé selon la revendication 13, caractérisé en ce que l'assemblage de la pièce d'insertion conduit à une dimension finale radiale de la pièce d'insertion (14) et/ou à dimension finale axiale (14) de la pièce d'insertion (14), au moyen d'une pression agissant par le biais d'au moins l'une l'une de la première pièce d'assemblage par frittage (12) et de la deuxième pièce d'assemblage par frittage (13) sur la pièce d'insertion (14).
  15. Utilisation d'un jeu de pièces (2) selon l'une quelconque des revendications 5 à 12, pour l'assemblage d'un rotor pour un dispositif de réglage d'arbre à cames, le rotor présentant au moins deux système de canal fluidique séparés l'un de l'autre (6, 7).
EP14796412.6A 2013-09-23 2014-09-17 Rotor pour dispositif de réglage d'arbre à cames, ensemble de pièces permettant de produire un rotor pour un dispositif de réglage d'arbre à cames et procédé permettant de produire un élément structural assemblé, de préférence un rotor pour un dispositif de réglage d'arbre à cames Active EP3049646B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013015675.0A DE102013015675A1 (de) 2013-09-23 2013-09-23 Rotor für einen Nockenwellenversteller, Teileset zur Herstellung eines Rotors für einen Nockenwellenversteller sowie Verfahren zur Herstellung eines gefügten Bauteils, bevorzugt eines Rotors für einen Nockenwellenversteller
PCT/EP2014/002512 WO2015039745A2 (fr) 2013-09-23 2014-09-17 Rotor pour dispositif de réglage d'arbre à cames, ensemble de pièces permettant de produire un rotor pour un dispositif de réglage d'arbre à cames et procédé permettant de produire un élément structural assemblé, de préférence un rotor pour un dispositif de réglage d'arbre à cames

Publications (2)

Publication Number Publication Date
EP3049646A2 EP3049646A2 (fr) 2016-08-03
EP3049646B1 true EP3049646B1 (fr) 2018-10-31

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EP14796412.6A Active EP3049646B1 (fr) 2013-09-23 2014-09-17 Rotor pour dispositif de réglage d'arbre à cames, ensemble de pièces permettant de produire un rotor pour un dispositif de réglage d'arbre à cames et procédé permettant de produire un élément structural assemblé, de préférence un rotor pour un dispositif de réglage d'arbre à cames

Country Status (6)

Country Link
US (1) US10132211B2 (fr)
EP (1) EP3049646B1 (fr)
JP (1) JP6298153B2 (fr)
CN (1) CN105793526B (fr)
DE (1) DE102013015675A1 (fr)
WO (1) WO2015039745A2 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015206244B3 (de) * 2015-04-08 2016-07-14 Schaeffler Technologies AG & Co. KG Mehrteiliger Rotor für einen Nockenwellenversteller
DE102016123580B4 (de) * 2016-12-06 2021-09-09 Gkn Sinter Metals Engineering Gmbh Rotorteil eines Rotors für einen Nockenwellenversteller und Presswerkzeug zu dessen pulvermetallurgischer Herstellung

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Publication number Priority date Publication date Assignee Title
JP4016020B2 (ja) * 2004-08-31 2007-12-05 株式会社日立製作所 内燃機関のバルブタイミング制御装置
DE102008028640A1 (de) 2008-06-18 2009-12-24 Gkn Sinter Metals Holding Gmbh Hydraulischer Nockenwellenversteller
WO2010128976A1 (fr) * 2009-05-04 2010-11-11 Gkn Sinter Metals, Llc Liaison adhésive pour composants en poudre métallique
DE102009031934A1 (de) * 2009-07-07 2011-01-13 Schaeffler Technologies Gmbh & Co. Kg Nockenwellenversteller
DE102009053600B4 (de) * 2009-11-17 2021-07-22 Schaeffler Technologies AG & Co. KG Rotor eines Nockenwellenverstellers, Verfahren zum Herstellen eines Rotors sowie Vorrichtung zur Drehwinkelverstellung einer Nockenwelle gegenüber einer Kurbelwelle eines Motors
DE102010008006A1 (de) * 2010-02-15 2011-08-18 Schaeffler Technologies GmbH & Co. KG, 91074 Flügelrad einer Vorrichtung zur variablen Einstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine
JP5585832B2 (ja) * 2010-09-10 2014-09-10 アイシン精機株式会社 弁開閉時期制御装置
DE102010050606A1 (de) * 2010-11-05 2012-05-10 Schaeffler Technologies Gmbh & Co. Kg Rotor für einen Nockenwellenversteller sowie Nockenwellenversteller
DE102011117856A1 (de) 2011-11-08 2013-05-08 Gkn Sinter Metals Holding Gmbh Mehrteilige, gefügte Rotoren in hydraulischen Nockenwellenverstellern mit Fügedichtprofilen und Verfahren zur Herstellung der Rotoren

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Also Published As

Publication number Publication date
CN105793526A (zh) 2016-07-20
EP3049646A2 (fr) 2016-08-03
US20160237861A1 (en) 2016-08-18
CN105793526B (zh) 2019-09-24
DE102013015675A1 (de) 2015-03-26
JP6298153B2 (ja) 2018-03-20
JP2016532041A (ja) 2016-10-13
WO2015039745A3 (fr) 2015-07-16
US10132211B2 (en) 2018-11-20
WO2015039745A2 (fr) 2015-03-26

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