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
  • 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
• • 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
  • F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
  • F01L2001/34483—Phaser return springs

Definitions

• the invention relates to a phase adjustment device according to the preamble of claim 1.
• Phasenverstellvoriquesen in particular Ventiltriebphasenverstellvor- directions, with a Phasenverstellü having a housing part, a drive means and to the drive means phase-adjustable output means known.
• the invention is in particular the object of providing a Phasenverstellvoroplasty with a particularly compact design. It is achieved according to the invention by the features of claim 1. Further embodiments emerge from the subclaims.
• a Phasenverstellvorutter in particular a Ventiltriebpha- senverstellvorutter, with a Phasenverstellech having a housing part, a drive means and to the drive means phase-adjustable output means, and with a Steueraktuatoranitatisaku, which is intended to arrange a basic unit of a Steueraktuatorü at least partially in the housing part , proposed.
• An inventive design a space between the Phasenverstelltechnik and the Steueraktuatorü can be reduced, whereby a Phasenverstellvortechnisch can be realized with a particularly compact space.
• actuator unit should be understood to mean, in particular, a unit by means of which a control variable, such as a travel range, can be adjusted as a function of a control signal of a control unit.
• a “basic unit” is to be understood in particular as a unit of fixedly locatable parts of the control actuator unit, such as in particular a unit with a control actuator housing and / or a control actuator stator.
• the stationary base unit is provided to drive a movable part of the Steueraktuatorü, such as a Steueraktuatoranker and / or an actuating pin.
• the housing part is non-rotatably connected to the drive means and / or the output means. As a result, the housing part can be easily connected to the Phasenverstelltechnik.
• the housing part has a recess which is provided to receive the base unit of the Steueraktuatorü.
• the basic unit can be easily arranged within the housing part.
• a “recess” of a component is to be understood in particular to mean a region which is completely surrounded by the component in at least one cutting plane, in particular by a “recess” and an interior space within a component.
• receiving a further component is to be understood, in particular, that a further component is arranged in a recess of a first component, that is to say that in at least one sectional plane the further component is arranged in a region that is completely surrounded by the first component.
• the phase adjustment unit has a valve unit which is intended to be controlled by means of the control actuator unit.
• the valve unit has a valve slide, which is intended to be switched by means of the Verstellaktuatorü.
• the phase adjustment device has a cover unit which is provided to close off the phase adjustment unit and which has at least one recess which is provided to receive the valve unit.
• valve unit has a central valve which is at least partially provided to connect the output means with a drive shaft is particularly advantageous. This makes it possible to dispense with an additional fastening means, such as a separate fastening screw, whereby an attachment of the drive shaft can be achieved, which allows a compact design of the Phasenverstellvorraum. It is further proposed that the valve unit has a contour recess for a screwing tool, which is at least partially provided to receive a valve spool.
• a "contour cutout” is to be understood in particular as meaning a cutout which has a rotationally asymmetrical contour for transmitting tightening torques Such a configuration can be used to find an arrangement for the valve slide which is particularly advantageous in terms of installation space a TORX trained.
• the phase adjustment device has a Steueraktuatorgephaseu- se, which is at least partially disposed in the housing part at least in an assembled state.
• a Steueraktuatorgepuse is arranged stationary and assigned to the basic unit of the Steueraktuatortician.
• the Phasenverstellvorraum further comprises an electromagnetic control actuator, which is at least partially disposed in the housing part at least in an assembled state. This allows a particularly compact design can be achieved.
• the phase adjustment device comprises a Steueraktua- torstator and / or a Steueraktuatoranker, which is at least partially disposed in a state in the housing part.
• the space can be reduced particularly advantageous.
• the control actuator stator is assigned to the basic unit of the control actuator unit.
• the housing part is at least partially provided for an additional phase adjustment unit.
• the additional phase adjustment unit can likewise be advantageously protected.
• an additional adjustment force for adjusting the phase position can be provided, as a result of which an error susceptibility of the phase adjustment device can be reduced.
• the phase adjustment device has at least one mechanical phase adjustment means, which is arranged at least partially in the housing part.
• a particularly error-free phase adjustment unit can be provided by means of the phase adjustment means.
• a "mechanical phase adjustment means” is to be understood in particular as an adjustment means, in which Adjusting force is dispensed with a hydraulic, pneumatic, electric and / or magnetic actuator.
• the phase adjustment means comprises a spring means. This allows a particularly simple mechanical Phasenverstellstoff be realized.
• the mechanical phase adjustment means is provided to receive at least a part of the basic unit.
• a space can be used advantageously, whereby in particular an axial space can be kept low.
• the phase adjustment unit has a coupling means which is provided to rotatably couple the basic unit of the Steueraktuatorü and the Phasenverstellech with each other.
• the basic unit of the Steueraktuatorü can be arranged in a particularly simple stationary, whereby a particularly simple connection of the Steueraktuatorü is possible to a control unit.
• FIG. 3 shows a cross section through a valve unit of the phase adjustment device and
• FIG. 4 shows a perspective view of the valve unit.
• FIG. 1 shows an illustration of a phase adjustment device according to the invention, which is designed as a motor vehicle phase adjustment device for an internal combustion engine of a motor vehicle.
• the phase adjustment device has a drive means 12 and a driven means 13, which are phase-adjustable to each other.
• the phase adjustment device has a hydraulic phase adjustment unit 10.
• the output means 13 is rotatably connected to a drive shaft 22 connectable.
• the shoot shaft 22 is formed as a camshaft.
• the drive means 12 is coupled by means of a gear 33 with a crankshaft, not shown, of the internal combustion engine.
• the phase adjustment unit 10 has a vane-cell adjuster 34. Furthermore, the phase adjustment unit 10 has a valve unit 18, by means of which the phase adjustment unit 10 is controlled.
• the diegelzellenversteller 34 has pressure chambers 35, of which a part for an adjustment in a first adjustment direction and a part for an adjustment in a second adjustment direction are formed. Each of the pressure chambers 35 is limited in a partial area by the drive means 12 and in a partial area by the output means 13. In the axial direction, the pressure chambers 35 are limited by a cover unit 19.
• the pressure chambers 35 of the rempligelzellenverstellers 34 are connected by means of the valve unit 18 with a resource not shown in detail. The phase position is adjusted by a targeted admission of the pressure chambers 35 with an operating medium pressure.
• the valve unit 18 has a central valve 21.
• the valve unit 18 is non-rotatably coupled to the output unit 13.
• a valve housing 36 of the valve unit 18 is designed as a fastening screw, by means of which the output means 13 of the phase adjustment unit 10 is non-rotatably connected to the drive shaft 22.
• one end of the valve housing 36 is formed as a contoured recess 23, into which a complementary configured screwing tool can be inserted.
• the contour recess 23 is formed as a TORX.
• a valve spool 24, by means of which the valve unit 18 is controlled, is partially disposed within the contour recess 23.
• the valve spool 24 is arranged axially displaceable and connects depending on a switching position Radiomittekanäle 37 with each other, by means of which the pressure chambers 35 can be connected to the resource source or with each other.
• the cover unit 19 is disc-shaped and has a central recess 20.
• the central valve 21 of the valve unit 18 is arranged partially in the recess 20. In partial areas, the central valve 21 and the recess 20 have a same diameter.
• a bearing unit is formed, by means of which the valve unit 18 is mounted in the cover unit 19.
• the bearing unit is designed as a sliding bearing.
• the phase adjustment device For actuating the valve unit 18, the phase adjustment device has a control actuator unit 16.
• the control actuator unit 16 is provided on one side of the valve unit 18. ordered, which is remote from the drive shaft 22.
• the valve spool 24 can be moved in a first axial direction.
• the valve unit 18 has a spring means 38 which provides a spring force which is opposite to an actuator force of the control actuator unit 16.
• the Steueraktuatortician 16 has a stationary arranged base unit 15.
• the base unit 15 has a Steueraktuatorgephaseuse 25 and parts of an electromagnetic Steueraktuators 26. Parts of the control actuator 26 are disposed in the control actuator housing 25.
• the Steueraktuatorgephaseuse 25 is fixed by means of a connection unit 39 can be arranged.
• the connecting unit 39 is provided to connect the Steueraktuatorgephaseuse 25 with the internal combustion engine.
• the control actuator 26 has a Steueraktuatorstator 27 which is fixedly connected to the Steueraktuatorgephaseuse 25.
• the Steueraktuatorstator 27 includes an electrical coil for generating an electric field.
• the control actuator 26 has a Steueraktuatoranker 28 which is disposed within the Steueraktuatorstators 27.
• the control actuator armature 28 includes a permanent magnet.
• the Steueraktuatoranker 28 is provided only for axial displacement.
• a bearing unit by means of which the control actuator armature 28 is mounted so as to be axially displaceable, inhibits a rotary movement of the control actuator armature 28.
• the control actuator armature 28 and the valve slide 24, which is non-rotatably connected to the output means 13 of the phase adjustment unit 10, are connected by means of an actuation pin 40 and a coupling means 32 rotatably coupled together. By means of the coupling means 32, the actuator force of the control actuator 26 is transmitted to the valve spool 24 of the valve unit 18.
• the coupling means 32 is formed by means of a ball arranged between two surfaces.
• the first surface is connected to the valve spool 24. It is designed as a flat surface.
• the second surface is connected to the actuating pin 40, which is connected by means of the Steueraktuatorü 16.
• the second surface has a recess in which the ball is arranged. A depth of the recess is less than one Diameter of the ball. A contact area between the ball and the adjacent surfaces is minimal, whereby a coupling for an axial movement and a simultaneous decoupling is realized for a rotational movement.
• the Steueraktuatortician 16 is connected by means of a Steueraktuatoranitatisaku 14 to the Phasenverstelliser 10.
• the phase adjustment unit 10 has a housing 41 which is non-rotatably connected to the drive means 12 of the phase adjustment unit 10.
• the housing 41 is formed by means of a housing part 11 and the cover unit 19.
• the cover unit 19 is rotatably connected to the drive means 12.
• the housing part 11 is substantially cylindrical and defines the housing 41 in the radial direction.
• the cover unit 19 closes off the housing 41 in the direction of the phase adjustment unit 10.
• the housing 41 is open.
• the housing 41 in particular protects the valve unit 18.
• the housing part 11 has a central recess 17 which can receive a part of the basic unit 15 or in which the part of the basic unit 15 is arranged in the assembled state.
• the housing part 11 or the housing 41 and the basic unit 15 of the Steueraktuatortician 16 are arranged axially overlapping in the mounted state. In the radial direction, the housing part 11 and the base unit 15 are spaced from each other.
• the Steueraktuatorgeophuse 25 of the base unit 15 is partially disposed in the recess 17 of the housing part 11.
• the actuating pin 40 of the Steueraktuatortician 16 also protrudes into the recess 17 of the housing part 11.
• the coupling means 32 is arranged for the most part within the recess 17.
• the bistuatorstator 27 of the base unit 15 is also partially disposed in the recess 17.
• the bistuatoranker 28 is disposed within the recess 17 at least in an operating state in which it is extended.
• a cross-sectional area oriented perpendicular to an actuation direction of the control actuator unit 16 comprises the control actuator housing 25 and the control actuator armature 28 of the base unit 15, the coupling means 32 and the housing part 11.
• the additional phase adjustment unit 29 includes a mechanical phase adjustment means 30, which can generate a relative moment between the drive means 12 and the output means 13 for adjusting the phase position between the drive means 12 and the output means 13.
• a phase adjustment is supported by the Phasenverstellmaschine 10 for an adjustment.
• the phase adjustment means 30 comprises a spring means 31.
• the spring means 31 is formed as a spiral spring.
• the spring means 31 is arranged in a radial gap between the housing part 11 and the base unit 15.
• the base unit 15, the housing part 11 and the spring means 31 are arranged nested one inside the other.
• the spring means 31 of the additional phase adjustment unit 29 is tensioned.
• the spring means 31 causes an adjusting force for an adjustment of the phase position in the second adjustment direction, which is opposite to the first adjustment direction.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Valve Device For Special Equipments (AREA)
• Magnetically Actuated Valves (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=41395986

Family Applications (1)

Country Status (6)

Families Citing this family (4)

Family Cites Families (14)

• 2008
  • 2008-10-11 DE DE102008051386A patent/DE102008051386A1/de not_active Withdrawn
• 2009
  • 2009-09-10 EP EP09778451A patent/EP2331796A1/de not_active Withdrawn
  • 2009-09-10 WO PCT/EP2009/006570 patent/WO2010040440A1/de active Application Filing
  • 2009-09-10 CN CN200980140084.6A patent/CN102177318B/zh not_active Expired - Fee Related
  • 2009-09-10 JP JP2011530386A patent/JP5396625B2/ja not_active Expired - Fee Related
• 2011
  • 2011-04-07 US US13/066,159 patent/US20110192366A1/en not_active Abandoned

Non-Patent Citations (1)

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