CN101208499A - Apparatus for transferring a movement from a rocker arm to a valve in a combustion engine and a combustion engine comprising such an apparatus - Google Patents

Apparatus for transferring a movement from a rocker arm to a valve in a combustion engine and a combustion engine comprising such an apparatus Download PDF

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Publication number
CN101208499A
CN101208499A CNA2006800204676A CN200680020467A CN101208499A CN 101208499 A CN101208499 A CN 101208499A CN A2006800204676 A CNA2006800204676 A CN A2006800204676A CN 200680020467 A CN200680020467 A CN 200680020467A CN 101208499 A CN101208499 A CN 101208499A
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CN
China
Prior art keywords
transfering device
motion transfering
motion
equipment
contact
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Granted
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CNA2006800204676A
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Chinese (zh)
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CN100577990C (en
Inventor
F·莫达尔
M·舒塔尔
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Scania CV AB
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Scania CV AB
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12Transmitting gear between valve drive and valve
    • F01L1/18Rocking arms or levers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/26Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12Transmitting gear between valve drive and valve
    • F01L1/14Tappets; Push rods
    • F01L1/146Push-rods
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12Transmitting gear between valve drive and valve
    • F01L1/18Rocking arms or levers
    • F01L1/181Centre pivot rocking arms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M9/00Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
    • F01M9/10Lubrication of valve gear or auxiliaries
    • F01M9/105Lubrication of valve gear or auxiliaries using distribution conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M9/00Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
    • F01M9/10Lubrication of valve gear or auxiliaries
    • F01M9/107Lubrication of valve gear or auxiliaries of rocker shaft bearings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

The invention relates to a device for transfer of control motion from a rocker arm to a valve arrangement of a combustion engine, which device comprises first and second motion transfer means (11, 12) which together constitute a ball joint. The motion transfer means comprise mutual contact surfaces so designed that the motion transfer means are in contact with one another in such a way as to delineate, via an annular contact line (13), a space (14) between the motion transfer means. The second motion transfer means is provided with a lubricant duct (17) which has an inlet aperture (17a) facing towards said space (14) and an outlet aperture (17b) facing towards the bottom surface (12a) of the second motion transfer means. The second motion transfer means is further provided with one or more depressions (18) which are set in the bottom surface (12a), are connected to the outlet aperture (17b) of the lubricant duct and have in the propagation plane of the bottom surface a combined area which is larger than the area of the circle formed by said annular contact line. The invention also relates to a combustion engine comprising such a device.

Description

Be used for from the equipment and the internal-combustion engine that comprise this equipment of rocking arm to the valve transmitting movement of internal-combustion engine
Technical field
The present invention relates to a kind of equipment as described in the preamble as claimed in claim 1, be used for from rocking arm to internal combustion engine valve device transmitting control motion by rocking arm control.The invention still further relates to a kind of internal-combustion engine that comprises this equipment.
Background technique
Ordinary internal combustion engine in the form of piston, so-called reciprocating engine is provided with one or more cylinders.In each cylinder, piston is applicable to to-and-fro motion under the effect of pressure, when the fuel-air mixture in importing cylinder is lighted, produces described pressure.In the reciprocating engine of four-stroke type, each cylinder is provided with at least one intake valve and at least one exhaust valve, and by described intake valve, fuel-air mixture is sucked in the cylinder, and by described exhaust valve, combustion gas are discharged from cylinder.Intake valve and exhaust valve all are spring loaded into operating position, and can move to the enable possition from operating position by the control action of cam on the rotating cam axle.The control cam is applicable to usually by so-called rocking arm and acts on the valve that itself can be connected to valve by motion transfering device described rocking arm, and described motion transfering device comprises so-called ball pin (ball pin) and so-called elephant foot (elephant foot).In this case, ball pin is fixed to an end of rocking arm, and is received in pivotly in the cup-like portion of elephant foot, thereby constitutes ball ball-joint (ball joint).Described elephant foot has the bottom surface, and by described bottom surface, described elephant foot is slidably against the stayed surface of valve rod or valve yoke.The rocking arm that is provided with such motion transfering device for example can be referring to US 2002/0139337 A1.By ball pin and elephant foot, the pivot movement of rocking arm is converted into the straight line motion of valve stem/valve yoke.Between rocking arm and valve stem/valve yoke mutually in the movement process, the bottom surface of the elephant foot short distance that will on described stayed surface, slidably reciprocate.Because the bottom surface of elephant foot and the wearing and tearing that these sliding movements between the described stayed surface cause, advantageously between the bottom surface of elephant foot and described stayed surface, introduce lubricant oil in order to reduce.This for example can realize that described lubricant passageway extends through ball pin and elephant foot by lubricant passageway, for example describes in US 6 273 042 B1 and US 6 470 843 B2.
Summary of the invention
The purpose of this invention is to provide a kind of like this equipment, this equipment is used for the controlled motion from rocking arm is delivered to the internal combustion engine valve device, and described control valve unit is controlled by rocking arm, and described equipment has good lubrication property.
According to the present invention, described purpose realizes by the equipment with claim 1 feature.
Equipment according to the present invention comprises first motion transfering device and second motion transfering device, described first motion transfering device is used to be fixed to rocking arm, described second motion transfering device constitutes ball-joint with described motion transfering device, and have the bottom surface, described second motion transfering device by described bottom surface slidably against the stayed surface of control valve unit.First motion transfering device for example can adopt the form of ball pin, and second motion transfering device can adopt the form of elephant foot.Described first and second motion transfering devices have the surface of being in contact with one another, the described surface design that is in contact with one another becomes to make motion transfering device contact with each other, thereby define space between described first motion transfering device and second motion transfering device by the annular contact line between the described contact surface, described second motion transfering device is provided with lubricant passageway, and described lubricant passageway has towards the inlet opening in described space with towards the exit orifice of described bottom surface.According to the present invention, second motion transfering device is provided with one or more recesses, described recess is set in the described bottom surface, and be connected to the exit orifice of lubricant passageway, thereby described one or more recess has the combined area on the expansion plane that is arranged in the bottom surface, described combined area is greater than the area of the circle that is formed by described annular contact line, and described Line of contact has defined the space between described first motion transfering device and second motion transfering device.
One or more recess arrangement in the bottom surface become from lubricant passageway to receive oiling agent, and described lubricant passageway extends through second motion transfering device.Lubricant pressure in the space between the described motion transfering device acts on the surface of described motion transfering device, thereby and make hydraulic pressure rise, it is separated from one another that described hydraulic pressure makes great efforts to promote described motion transfering device.Therefore these pressure will make great efforts the stayed surface of second motion transfering device towards control valve unit promoted, even when rocking arm be released load and when moving away from stayed surface too, thereby balance (counteract) outflow of oiling agent from the lubricant passageway of second motion transfering device, and therefore balance the effectively lubricating of the slidingsurface between second motion transfering device and the stayed surface.Be that the bottom surface of second motion transfering device is provided with one or more recesses and causes hydraulic pressure, described recess is set in the bottom surface, and be connected to the exit orifice of lubricant passageway, described hydraulic pressure is made great efforts described second motion transfering device along pushing away described stayed surface with the perpendicular direction in surface-supported expansion plane.The fact described below: the combined area of this recess or these recesses is than the bigger fact of area of the circle that is formed by annular contact line in the expansion plane of bottom surface, wherein said Line of contact limits the space between the described motion transfering device, the above-mentioned fact causes last-mentioned pressure greater than by the applied pressure in the opposite direction of the lubricant pressure in the space between the motion transfering device, thereby when rocking arm is released load, make second motion transfering device rise, and allow the bottom surface of second motion transfering device and effective outflow (outlfow) of the oiling agent between the stayed surface from stayed surface.Therefore guaranteed the effectively lubricating of the slidingsurface between second motion transfering device and the control valve unit in simple mode according to the solution of the present invention.
Preferred embodiment according to equipment of the present invention is represented by dependent claims and following description.
The invention still further relates to a kind of internal-combustion engine that comprises according to equipment of the present invention.
Description of drawings
The present invention is described in detail on the basis of embodiment's example below with reference to accompanying drawing, in the accompanying drawing:
Fig. 1 shows the schematic longitudinal sectional view that passes according to the equipment of first embodiment of the invention, and wherein the parts that are connected to its place of internal-combustion engine illustrate with the side view that partly dissects,
Fig. 2 shows the equipment according to Fig. 1 of magnification ratio,
Fig. 3 shows the side view that dissects according to the schematic part of the equipment of Fig. 1,
Fig. 4 shows the side view that dissects according to the schematic part of the part of the equipment of second embodiment of the invention,
Fig. 5 shows the side view that dissects according to the schematic part of the part of the equipment of third embodiment of the invention,
The direction that Fig. 6 shows the arrow VI in Fig. 5 observe according to the schematic plan view of the bottom surface of the equipment of Fig. 5 and
The direction that Fig. 7 shows the arrow VII in Fig. 2 is observed the schematic plan view according to the bottom surface of the equipment of Fig. 1-3.
Embodiment
Fig. 1 has schematically shown control valve unit 1 and internal combustion engine component, and control valve unit 1 forms the part of internal-combustion engine, and described internal combustion engine component is connected to this control valve unit, and is used to control this control valve unit.In the example shown, control valve unit comprises two valve arrangement 2a, 2b, and described two valve arrangement 2a, 2b are connected to common valve yoke 4 by their valve rod 3a, 3b separately.Valve arrangement 2a, 2b adopt the intake valve of common internal combustion engine or the form of exhaust valve.Valve arrangement 2a, 2b act among Fig. 1 along upward to being loaded into operating position by elasticity by one or more unshowned elastic device.Valve arrangement 2a, 2b can by valve yoke 4 and by control cam 5 effect, in Fig. 1, jointly move to the enable possition from operating position along downward direction, described control cam 5 is connected to the camshaft 6 of rotation, be used for rotation common, and therefore rotate with described camshaft with it.Control cam 5 is applicable to by rocking arm 7 and acts on the valve yoke 4 that described rocking arm 7 is supported pivotly by rotating shaft 8.At its an end 7a place, on a side of rotating shaft 8, rocking arm is connected to control cam 5 by push rod 9 in the ordinary way.Interchangeable is that rocking arm 7 can be arranged so that its end 7a is directly against described control cam 5.At its second end 7b, on the opposition side of rotating shaft 8; rocking arm is connected to valve yoke 4 by equipment 10, described equipment 10 is applicable to controlled motion is delivered to control valve unit 1 from rocking arm 7, more particularly converts the straight line motion of control valve unit to by the pivot movement with rocking arm.In example shown in Figure 1, when push rod 9 under the effect of control cam 5 when position shown in Figure 1 moves up, equipment 10 converts the clockwise pivot movement of rocking arm 7 the downward straight line motion of valve yoke 4 and valve arrangement 2a, 2b to, thereby the active force of resisting above-mentioned elastic device moves to the enable possition with valve arrangement 2a, 2b from operating position.
Equipment 10 comprises that first motion transfering device 11 and second motion transfering device, 12, the first motion transfering devices are used for fixing the described second end 7b of rocking arm, and second motion transfering device is applicable to first motion transfering device 11 and constitutes ball-joint.In the example shown in Fig. 1-3, first motion transfering device 11 is engaged among the recess 7c of rocking arm its an end 11a, and the second opposite end 11b that makes it is against described second motion transfering device 12.Second motion transfering device 12 has bottom surface 12a, and by described bottom surface 12a, described second motion transfering device is used for slidably the stayed surface 4a against described control valve unit 1.In the example shown, described stayed surface is arranged on the valve yoke 4.
Motion transfering device 11,12 has and is in contact with one another surperficial 11c, 12c (see figure 2), described surperficial 11c, 12c are designed so that motion transfering device contacts with each other in such a way, i.e. the space 14 that limits between described first motion transfering device 11 and second motion transfering device 12 by the annular contact line between the described contact surface 13.Motion transfering device 11,12 contacts with each other by the outstanding contact surface 11c of a motion transfering device 11 and the corresponding recessed contact surface 12c of another motion transfering device 12.Advantageously, first motion transfering device 11 has outstanding contact surface 11c, and second motion transfering device 12 has recessed contact surface 12c, shown in Fig. 1-5, but also can be opposite situation.
Advantageously, described outstanding contact surface 11c is spherical, and recessed contact surface right and wrong sphere, preferably avette (ogival) is shown in Fig. 1-5.Interchangeablely be, what described outstanding contact surface can the right and wrong sphere, preferably avette, and recessed contact surface is spherical.
In the example shown in Fig. 1-5, first motion transfering device 11 has spherical part 11d, and described spherical part 11d comprises described outstanding contact surface 11c.This spherical part 11d is contained among the cup-like portion 12d of second motion transfering device 12 pivotly.Described cup-like portion 12d comprises the contact surface 12c of the female.Described spherical part 11d can be inserted into by the upper opening of described cup-like portion among the described cup-like portion 12d.First motion transfering device 11 adopts the form of ball pin in this example, second motion transfering device 12 adopts the form of so-called elephant foot simultaneously.
First motion transfering device 11 is provided with lubricant passageway 15, and described passage 15 has towards the space 14 exit orifice 15b, is used for oiling agent is imported this space, and described space 14 is between motion transfering device 11,12.This lubricant passageway 15 also has inlet opening 15a, and described inlet opening 15a is connected to lubricant passageway 16, and described lubricant passageway 16 extends through rocking arm.The lubricant passageway 16 of rocking arm for example is supplied with oiling agent applicable to the rotating shaft 8 by rocking arm, lubricant oil for example, as shown in Figure 1.The lubricant passageway 15 of first motion transfering device advantageously in the longitudinal direction of first motion transfering device heart extend through first motion transfering device.The spherical part 11d of first motion transfering device 11 has smooth bottom end in this example shown in Fig. 1-5, the exit orifice 15b of lubricant passageway 15 is arranged in the described bottom end.
Second motion transfering device 12 is provided with lubricant passageway 17, described passage 17 has inlet opening 17a and exit orifice 17b, described inlet opening 17a is towards the space between motion transfering device 14, and described exit orifice 17b is towards the bottom surface of second motion transfering device 12a.This lubricant passageway 17 is used for oiling agent is transported to from described space 14 the bottom surface 12a of second motion transfering device, and described space 14 is between described motion transfering device.Lubricant passageway 17 advantageously center extends through second motion transfering device 12.In the example shown in Fig. 1-5, inlet opening 17a is arranged in the darkest part of cup-like portion 12d, and exit orifice 17b is arranged on the center of bottom surface 12a.
Second motion transfering device 12 is provided with one or more recesses 18,18 ', and described recess is arranged among the 12a of bottom surface, and is connected to the exit orifice 17b of described lubricant passageway 17, and described lubricant passageway 17 extends through described second motion transfering device.The above-mentioned recess that is arranged among the 12a of bottom surface means that herein described recess is surrounded by the part of bottom surface, by described part, the bottom surface is used for slidably the stayed surface 4a against described control valve unit 1, thereby the wall surface of described recess can play a part pressure surface in such a way for lubricant pressure, and this mode below will be described in detail.Described one or more recess 18,18 ' has combined area (combined area) A1 (see figure 7) in the expansion plane of bottom surface, described combined area is greater than the area A 2 of the circle that is formed by annular contact line 13, the space 14 that described Line of contact 13 limits between the described motion transfering device 11,12.
In the embodiment shown in Fig. 1-4, only recess 18 of the above-mentioned type is arranged among the 12a of bottom surface.In these situations, heart is arranged among the 12a of bottom surface in the recess 18, and with concentric setting of exit orifice 17b of lubricant passageway 17.In the embodiment shown in Fig. 1-3, recess 18 adopts the form of the shallow relatively recess in the bottom surface, has the bottom 18a of substantially flat.This recess is advantageously circular, has diameter d 1, and when along expansion (propagation) viewed in plan of described bottom surface, described diameter d 1 is greater than the diameter of a circle d2 that is formed by above-mentioned annular contact line 13, as shown in Figure 7.In the embodiment shown in fig. 4, recess 18 adopts the form of the recess with frustoconical shape in the bottom surface, and described truncated cone broadens towards bottom surface 12a, and is connected to the exit orifice 17b of lubricant passageway 17 at its place, top.
In Fig. 5 and embodiment shown in Figure 6, a plurality of recesses 18 ' of the above-mentioned type are arranged among the 12a of bottom surface.In this case, each recess adopts the form of the groove 18 ' of the elongation in the bottom surface.Advantageously 17 exit orifice 17b extends each groove 18 ' along radial direction from lubricant passageway, as shown in Figure 6, and for example can have semicircular shape of cross section.In the situation of a plurality of recesses 18 ' in the 12a of bottom surface, they should comprise such area together in the expansion plane of bottom surface, and this area is bigger than the area of the circle that is formed by above-mentioned annular contact line 13.
In Fig. 6 and Fig. 7, annular contact line 13 is illustrated by the broken lines.
When at the effect lower shake-changing arm 7 of control cam 5 and push rod 9 when position shown in Figure 1 is pivoted to position shown in Figure 3, the end 7b of rocking arm will be by motion transfering device 11, the 12 described valve yoke 4 of promotions downwards.This pivot movement of rocking arm will make first motion transfering device 11 that is fixed to rocking arm be promoted by downward stayed surface 4a towards valve yoke, and pivot with respect to the stayed surface 4a of valve yoke, and described surperficial 4a is against described second motion transfering device 12.Therefore the spherical part 11d of first motion transfering device 11 is pivoted to position shown in Figure 3 from position shown in Figure 1 in the cup-like portion 12d of second motion transfering device.When first motion transfering device 11 by downwards when second motion transfering device 12 promotes, they initially contact with each other along annular contact line.The actuating pressure that increases between described first motion transfering device 11 and second motion transfering device 12 will make the surperficial 11c of being in contact with one another of they, 12c experience certain plasticity table shape, thereby the contact of the initial line between the motion transfering device becomes by being in contact with one another of contact surface, and described contact surface has the shape of endless belt.In this position, the lower limb looping Line of contact 13 of this endless belt, this space 14 that described Line of contact 13 limits between the described motion transfering device.The pivot movement of the rocking arm 7 and first motion transfering device 11 will cause second motion transfering device 12 to be promoted towards stayed surface 4a downwards, and simultaneously, laterally slide in a way along this stayed surface.Because the difference between above-mentioned area A 1 and the A2, the recess 18 among the bottom surface 12a of second motion transfering device or the hydraulic pressure of the oiling agent in a plurality of recess 18 ' will cause second motion transfering device to be subjected to hydraulic pressure upwards, the downward hydraulic pressure that the described hydraulic pressure that makes progress causes greater than the hydraulic pressure by the oiling agent in the space 14, described space 14 is between motion transfering device 11,12.When thereby rocking arm 7 and first motion transfering device 11 turn back to position shown in Figure 1 and are released load from position shown in Figure 3, therefore second motion transfering device 12 will upwards be promoted by the described hydraulic pressure that makes progress, cause its bottom surface 12a to rise from stayed surface 4a in a way, thereby the oiling agent of the exit orifice 17b by lubricant passageway 17 can flow along whole bottom surface 12a.Described recess 18 or a plurality of recess 18 ' are therefore guaranteed the effectively lubricating of the mutual slidingsurface between second motion transfering device 12 and the control valve unit 1.
According to equipment of the present invention certainly applicable to from rocking arm to the control valve unit transmitting control motion that only comprises a valve arrangement.In this case, above-mentioned stayed surface advantageously is set directly on the valve rod, and described valve rod is connected to described valve arrangement.Go in addition moving to control valve unit transmitting control described below from rocking arm according to equipment of the present invention, described control valve unit is used for the form of the common Fuelinjection nozzle of internal-combustion engine.
Device according to the present invention is specially adapted to form the part of internal-combustion piston engine, for example is used for vehicle, such as passenger vehicle, truck, bus etc.
The present invention never is limited to the foregoing description certainly, because under the situation of the basic conception of the present invention that does not break away from the claim qualification, many distortion are conspicuous for those skilled in the art.

Claims (9)

1. one kind is used for from the equipment of rocking arm to the control valve unit transmitting control motion of internal-combustion engine, and described equipment comprises:
-the first motion transfering device (11), be used for fixing described rocking arm and
-the second motion transfering device (12) constitutes ball-joint with first motion transfering device, and has bottom surface (12a), and by described bottom surface (12a), described second motion transfering device is used for slidably the stayed surface against described control valve unit,
Thereby, described first and second motion transfering devices (11,12) has the surface of being in contact with one another (11c, 12c), the described surface design that is in contact with one another becomes to make motion transfering device (11,12) contact with each other in such a way, promptly limit the space (14) that is positioned between first motion transfering device (11) and second motion transfering device (12) by the annular contact line between the described contact surface (13), second motion transfering device (12) is provided with lubricant passageway (17), described lubricant passageway (17) has towards the inlet opening of described space (14) (17a) with towards the exit orifice (17b) of described bottom surface (12a), and first motion transfering device (11) is provided with lubricant passageway (15), described lubricant passageway (15) has the exit orifice (15b) that is positioned at the space (14) between first motion transfering device (11) and second motion transfering device (12) towards described, be used for oiling agent is imported described space
It is characterized in that second motion transfering device (12) is provided with one or more recesses (18; 18 '), described one or more recess is arranged in the described bottom surface (12a), and be connected to the exit orifice (17b) of described lubricant passageway, and described one or more recess (18,18 ') in the expansion plane of bottom surface, has combined area (A1), described combined area (A1) is bigger than the area (A2) of the circle that is formed by annular contact line (13), and described Line of contact (13) limits the space (14) between described first motion transfering device and second motion transfering device.
2. equipment as claimed in claim 1 is characterized in that, described one or more recess employings center is arranged on the form of the recess (18) in the bottom surface (12a).
3. equipment as claimed in claim 2, it is characterized in that along the expansion viewed in plan of bottom surface, the recess (18) that the center is arranged in the bottom surface (12a) is circular, have diameter (d1), described diameter (d1) is bigger than the diameter of a circle (d2) that is formed by described annular contact line (13).
4. equipment as claimed in claim 1 is characterized in that, described one or more recesses adopt the form of a plurality of elongated grooves (18 ') in the bottom surface (12a).
5. equipment as claimed in claim 4 is characterized in that, each groove (18 ') extends along radial direction from the exit orifice (17b) of lubricant passageway (17).
6. as each described equipment among the claim 1-5, it is characterized in that, described motion transfering device (11,12) contacts each other by the outstanding contact surface (11c) of a motion transfering device and the corresponding recessed contact surface (12c) of another motion transfering device.
7. equipment as claimed in claim 6 is characterized in that, first motion transfering device (11) comprises described outstanding contact surface (11c), and described second motion transfering device (12) comprises the contact surface (12c) of the female.
8. equipment as claimed in claim 7 is characterized in that, first motion transfering device (11) comprises spherical part (11d), and described spherical part (11d) is contained in the cup-like portion (12d) of second motion transfering device (12) pivotly.
9. an internal-combustion engine is characterized in that, it comprises rocking arm (7) and control valve unit (1), described control valve unit (1) by rocking arm by according to each described equipment (10) control among the claim 1-8.
CN200680020467A 2005-06-07 2006-06-02 Apparatus for transferring a movement from a rocker arm to a valve in a combustion engine and a combustion engine comprising such an apparatus Expired - Fee Related CN100577990C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0501297A SE528784C2 (en) 2005-06-07 2005-06-07 Apparatus for transferring movement from a rocker arm to a valve device of an internal combustion engine and an internal combustion engine including such a device
SE05012976 2005-06-07

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Publication Number Publication Date
CN101208499A true CN101208499A (en) 2008-06-25
CN100577990C CN100577990C (en) 2010-01-06

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CN200680020467A Expired - Fee Related CN100577990C (en) 2005-06-07 2006-06-02 Apparatus for transferring a movement from a rocker arm to a valve in a combustion engine and a combustion engine comprising such an apparatus

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EP (1) EP1891304B1 (en)
JP (1) JP4659095B2 (en)
CN (1) CN100577990C (en)
AT (1) ATE476586T1 (en)
BR (1) BRPI0610172B1 (en)
DE (1) DE602006015953D1 (en)
RU (1) RU2007145362A (en)
SE (1) SE528784C2 (en)
WO (1) WO2006132580A1 (en)

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SE528784C2 (en) 2007-02-13
SE0501297L (en) 2006-12-08
EP1891304B1 (en) 2010-08-04
RU2007145362A (en) 2009-06-20
JP2008542631A (en) 2008-11-27
CN100577990C (en) 2010-01-06
ATE476586T1 (en) 2010-08-15
BRPI0610172B1 (en) 2018-05-02
JP4659095B2 (en) 2011-03-30
EP1891304A1 (en) 2008-02-27
BRPI0610172A2 (en) 2010-06-01
WO2006132580A1 (en) 2006-12-14
DE602006015953D1 (en) 2010-09-16

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