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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62D—MOTOR VEHICLES; TRAILERS
  • B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
  • B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
  • B62D65/10—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components the sub-units or components being engines, clutches or transmissions
• • 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
  • 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
  • F01L1/20—Adjusting or compensating clearance
• • 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
  • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
  • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
  • F01L13/0021—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio
  • F01L13/0026—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio by means of an eccentric
• • 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
  • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
  • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
  • F01L13/0063—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
  • F16K31/00—Actuating devices; Operating means; Releasing devices
  • F16K31/44—Mechanical actuating means
  • F16K31/52—Mechanical actuating means with crank, eccentric, or cam
  • F16K31/524—Mechanical actuating means with crank, eccentric, or cam with a cam
  • F16K31/52408—Mechanical actuating means with crank, eccentric, or cam with a cam comprising a lift valve
• • 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
  • F01L1/08—Shape of cams
• • 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
  • F01L1/185—Overhead end-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
  • F01L1/20—Adjusting or compensating clearance
  • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
  • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
  • F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
• • 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
  • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
  • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
  • F01L13/0063—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
  • F01L2013/0068—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot with an oscillating cam acting on the valve of the "BMW-Valvetronic" 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
  • F01L2303/00—Manufacturing of components used in valve arrangements
  • F01L2303/01—Tools for producing, mounting or adjusting, e.g. some part of the distribution
• • 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
  • F01L2305/00—Valve arrangements comprising rollers
  • F01L2305/02—Mounting of rollers
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T29/00—Metal working
  • Y10T29/49—Method of mechanical manufacture
  • Y10T29/49229—Prime mover or fluid pump making
  • Y10T29/49231—I.C. [internal combustion] engine making
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T29/00—Metal working
  • Y10T29/49—Method of mechanical manufacture
  • Y10T29/49229—Prime mover or fluid pump making
  • Y10T29/49247—Valve lifter making

Definitions

• the invention relates to a Ventiihubstellan instruct for a mechanically controllable valve train assembly of an internal combustion engine with at least one intermediate lever assembly, wherein the intermediate lever assembly has at least one intermediate lever with a working curve which is mounted at least a first roller movable in a slide track and with a cam shaft assembly and a Ventilhubverstell listening in operative connection stands, wherein the Nocken we! lenan eleven acts on the intermediate lever assembly via a roller and wherein the VentilhubverstellISSISSISSISSISSISSISSISSISSISSISSISSISSISS in operative connection stands, wherein the Nocken we! lenan instruct acts on the intermediate lever assembly via a roller and wherein the Ventilhubverstell Marie has a rotatable eccentric shaft, which acts on the intermediate lever assembly via a second roller.
• the invention relates to a method for aligning a domestic woman the Ventiihubstellan instructive action.
• a method for aligning a domestic woman the Ventiihubstellan instructive action i. an intermediate lever assembly on a pivot lever assembly.
• valve train arrangements which have an adjustable lifting height of a respective gas exchange valve.
• an intermediate lever arrangement is provided in both valve train arrangements, which is on the one hand with a camshaft in connection to move the gas exchange valve periodically and on the other hand has an attack member over which the maximum or minimum to reach the lifting height is adjustable.
• valve train assemblies have the disadvantage that after production and subsequent assembly due to manufacturing tolerances, the valve train assemblies do not have the exact desired valve lift. When requesting a precisely preset valve lift across all valves and cylinders, this can lead to unsatisfactory running behavior of the engine, in particular with low valve strokes. Reasons for this can be found on the one hand in the construction and interaction of the Ventilhubstellan extract itself and in the final assembly of Ventilhubstellan extract and pivot lever assembly.
• the invention is therefore based on the object, a Ventilhubstellan instructor to a mechanically controllable valve train assembly; to provide a method for aligning an intermediate lever assembly of the Ventilhubstellan instructor to a mechanically controllable valve train assembly; to provide a method for aligning an intermediate lever assembly of the Ventilhubstellan instructor to a mechanically controllable valve train assembly; to provide a method for aligning an intermediate lever assembly of the Ventilhubstellan instructing a valve train assembly; to provide a method for aligning an intermediate lever assembly of the Ventilhubstellan instructor to a mechanically controllable valve train assembly; to provide a method for aligning an intermediate lever assembly of the Ventilhubstellan instructor to a mechanically controllable valve train assembly; to provide a method for aligning an intermediate lever assembly of the Ventilhubstellan instructor to a mechanically controllable valve train assembly; to provide a method for aligning an intermediate lever assembly of the Ventilhubstellan instructor to
• the second roller which by means of Ventilhubverstell Surprise on the Intermediate lever arrangement acts, is mounted eccentrically via means on a bearing axis. Furthermore, a tool engagement point for correct alignment of the second roller and thus the intermediate lever assembly is provided. In this way, a circumferential point of the second roller when rotated by an angle ⁇ describes an arc shape deviating from a circular arc. Due to the inventive design of such
• Ventilhubstellan it is possible to adjust a valve train assembly in the preassembled state in a simple manner with respect to the correct orientation of the intermediate lever assembly on the pivot lever assembly. Manufacturing tolerances or errors can also be detected in this way before the final assembly and the first commissioning and possibly also compensated or eliminated.
• By simply aligning the eccentrically mounted on the bearing axis means a simple form of alignment in the preassembled state has also been created.
• the means have realized an eccentrically mounted bearing.
• a particularly simple and inexpensive Ventilhubstellan angel is created.
• the valve lift actuator assembly provides a sleeve.
• This sleeve is provided on both sides of the bearing axis and ensures the eccentric arrangement of the bearing axis. This arrangement represents a cost-effective variant.
• the optimal alignment of the sleeve is performed during assembly with a special tool. For optimum alignment, the sleeve has the tool engagement point.
• the means is realized by a paragraph.
• This paragraph is on both sides of the bearing axis each eccentrically provided to this bearing axis and thereby arranged within the intermediate lever, the paragraphs are designed differently large, so that mounting from the side is possible while the role is inserted from the front into the intermediate lever.
• the tool engagement point is designed as a multi-sided connection geometry over the sleeve for eccentric adjustment of the second roller on the bearing axis.
• the tool engagement point can be designed such that the sleeve has a multi-sided, geometry for attaching the tool.
• This embodiment offers the particular advantage that the attack element can be mass produced in a simple manner. In this case, it is particularly advantageous in assembly and production engineering when the engagement member is made in one piece.
• valve stroke positioning arrangement has reference markings. These reference marks on the intermediate lever arrangement serve to cooperate with corresponding reference markings of the pivot lever arrangement during the final assembly and thus to ensure optimum alignment.
• the invention is achieved by a method for aligning an intermediate lever assembly in a Ventilhubstellan instructive medical device, in which a Wegmessvorcardi is provided with a control unit outside of the Ventilhubstellan ever; that the intermediate lever is moved with respect to the Wegmessvortechnischigan and thus the working curve is driven off; in that the measured values obtained by means of the distance measuring device are compared with reference values in the control unit In the case of a deviation of the measured values registered by the distance measuring device from the reference values, an adjustment of the intermediate lever arrangement via the eyepoint of the sleeve is carried out by a rotation of the means or the second roller on the bearing axis.
• the object of the invention is achieved in that fixing means are provided such that, after the adjustment, the position of the second axis is fixed via the fixing means.
• fixing which act positively and / or non-positively.
• These fixing means can be realized for example by bolts and / or grooves. It is particularly advantageous assembly and production technology, if the connection for the application of a component failure is again solvable and the defective component can be replaced in a simple manner.
• the fixing means are cohesive means, for example by welding and / or soldering points.
• Cohesive fixatives have the advantage that they represent a simple, secure and stable fixation.
• FIG. 1 shows a preferred embodiment of the device according to the invention for the valve lift actuating arrangement
• Figure 2 shows a perspective view of an embodiment of a Wegmessvoroplasty invention
• Figure 3 shows a sectional view of an intermediate lever assembly.
• FIG. 1 A preferred embodiment of a valve lift actuator 10 for a mechanically controllable valve train assembly 11 is shown in FIG.
• the valve lift assembly 10 for a reciprocating engine consists essentially of an intermediate lever assembly 12 and a pivot lever assembly 26.
• the intermediate lever assembly 12 has an intermediate lever 18, the sliding in a movable Sliding link a backdrop 13 is mounted, which is arranged stationarily in a cylinder head, not shown.
• the gate shape is determined by a circular arc which extends around an axis center of a third roller 27.
• a camshaft assembly 22 is provided in the area of this first roller 14, a camshaft assembly 22 is provided in the area of this first roller 14, a camshaft assembly 22 is provided.
• the camshaft assembly 22 has a camshaft 21, which can be moved directly or indirectly with a first cam 23 and thereby drives a gas exchange valve 28.
• the gas exchange valve 28 is cyclically opened and closed, provided that there is an operative connection between the working curve 24 and the third roller 27 of the finger lever assembly 26.
• intermediate levers are also covered by the invention.
• two intermediate levers can be arranged on an axle with a roller, this roller is then guided in a backdrop.
• Ventilhubverstell listening 16 is arranged with a second roller 20.
• the Ventilhubverstell listening 16 has for this purpose in a known manner an eccentric shaft 17.
• the intermediate lever 18 is connected via the third roller 27 with a finger lever assembly 26 in operative connection.
• a finger lever assembly 26 in operative connection.
• the drag lever assembly 26 is mounted on the one hand on a lash adjuster, preferably a hydraulic valve lash adjuster and acts with the gas exchange valve 28.
• the gas exchange valve 28 and the lash adjuster are mounted in the cylinder head, not shown here.
• FIG. 2 shows a section of the valve lifting and positioning arrangement 10.
• the intermediate lever arrangement 12 is shown with the path measuring device 32 according to the invention.
• the path measuring device 32 is arranged below the working curve 24, since the contour of the working curve 24 is to be measured by the path measuring device 32.
• the tool engagement point 36 is integrated in the present embodiment in the sleeve 38 and has two slot-shaped recesses in a known manner. By the rotation of the sleeve 38 via the actuation of the tool engagement point 36, the bearing axis 30 is adjustable in a certain rotational position and then fixed.
• FIG. 3 shows an intermediate lever arrangement 12 with two intermediate levers 18, which on a common connection axis 40th are arranged.
• first rollers 14 On the working curve 24 opposite side first rollers 14 are arranged, with which the intermediate lever assembly 12 is in operative connection with the camshaft 21 in a known manner.
• a fourth roller 41 is still arranged here on the connecting shaft 40, which serves as a guide roller and rolls in the slot 13 (see FIG. 1).
• an intermediate lever assembly 12 may have both one and two intermediate levers, wherein in the embodiment with an intermediate lever one of the working curve 24 opposite roller is both in operative connection with the camshaft 21, as well as the guide in the backdrop 13th guaranteed.
• a preferred embodiment of the bearing of the bearing shaft 30 of an intermediate lever 18 is shown on both sides of the bearing shaft 30 arranged sleeves 38.
• the optimal alignment of the sleeves 38 is made with a corresponding tool.
• the sleeves 38 are each arranged on the right and left of the bearing axis 30.
• a deviating, but not further illustrated embodiment is a right and left eccentric to the bearing axis 30 arranged paragraph 39.
• This paragraph 39 is mounted in the intermediate lever 18.
• the eccentrically arranged paragraphs 39 can be made different sizes, so that mounting from the side is possible while the roller 20 can be inserted from the front into the intermediate lever 18.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Valve Device For Special Equipments (AREA)
• Mechanically-Actuated Valves (AREA)
• Valve-Gear Or Valve Arrangements (AREA)
• Gear-Shifting Mechanisms (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Publications (1)

Family

ID=47290976

Family Applications (2)

Family Applications Before (1)

Country Status (8)

Families Citing this family (6)

Citations (10)

Family Cites Families (16)

• 2012
  • 2012-01-30 DE DE201210001633 patent/DE102012001633A1/de not_active Ceased
  • 2012-11-29 CN CN201280068021.6A patent/CN104066938B/zh not_active Expired - Fee Related
  • 2012-11-29 EP EP12809634.4A patent/EP2809894B1/de active Active
  • 2012-11-29 US US14/372,218 patent/US9145798B2/en not_active Expired - Fee Related
  • 2012-11-29 JP JP2014555101A patent/JP6038182B2/ja not_active Expired - Fee Related
  • 2012-11-29 WO PCT/EP2012/073923 patent/WO2013113425A1/de active Application Filing
  • 2012-11-29 ES ES12809634T patent/ES2572512T3/es active Active
  • 2012-11-29 BR BR112014018046A patent/BR112014018046A8/pt active Search and Examination
  • 2012-12-04 ES ES12795431.1T patent/ES2554458T3/es active Active
  • 2012-12-04 JP JP2014555103A patent/JP2015509163A/ja not_active Ceased
  • 2012-12-04 CN CN201280067191.2A patent/CN104053869A/zh active Pending
  • 2012-12-04 WO PCT/EP2012/074306 patent/WO2013113429A1/de active Application Filing
  • 2012-12-04 US US14/372,219 patent/US20140338622A1/en not_active Abandoned
  • 2012-12-04 EP EP12795431.1A patent/EP2809893B1/de not_active Not-in-force

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