CN106103914A - The cam of the valve device for internal combustion engine and the valve camshaft for valve device and the cam follower for valve device - Google Patents
The cam of the valve device for internal combustion engine and the valve camshaft for valve device and the cam follower for valve device Download PDFInfo
- Publication number
- CN106103914A CN106103914A CN201480076182.9A CN201480076182A CN106103914A CN 106103914 A CN106103914 A CN 106103914A CN 201480076182 A CN201480076182 A CN 201480076182A CN 106103914 A CN106103914 A CN 106103914A
- Authority
- CN
- China
- Prior art keywords
- cam
- depressed part
- valve device
- profile
- pushing surface
- 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.)
- Pending
Links
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
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L1/053—Camshafts overhead type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/14—Tappets; Push rods
- F01L1/143—Tappets; Push rods for use with overhead camshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/14—Tappets; Push rods
- F01L1/16—Silencing impact; Reducing wear
-
- 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
- F01L2810/00—Arrangements solving specific problems in relation with valve gears
- F01L2810/02—Lubrication
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The present invention relates to a kind of valve device for internal combustion engine, it includes at least one cam (3), and cam is respectively upper being contacted by pushing surface (7) with cam follower (5) of a working face (4).Now in order to reduce the abrasion in the contact area with cam follower (5) for the cam (3) as far as possible, at least one cam (3) is provided with depressed part on its working face (4), and depressed part limits the micro-structural for accommodating lubricant.For this alternative or addedly, cam follower (5) is provided with depressed part at it by pushing surface (7), depressed part edge in a pair wise manner is that arrow-shaped ground crosses each other with the direct of travel contacting of at least one cam (3), and the profile that the edge limiting the micro-structural for accommodating lubricant at this is constructed on direct of travel differently from one another by pushing surface (7).Moreover, it relates to a kind of cam (3) and a kind of cam follower (5).
Description
Technical field
The present invention relates to a kind of valve device for internal combustion engine, it includes at least one cam, and cam is respectively one
With being contacted by pushing surface of cam follower on individual working face.Moreover, it relates to a kind of gas for valve device
The cam of door camshaft and the cam follower for valve device.
Background technology
Valve device for controlling the load change in internal combustion engine is generally known.Here, valve train dress
Putting and generally including one or more camshaft, its task is specifically to beat with the time point that the position of corresponding piston synchronizes
Open and close entrance valve and outlet valve.For this purpose, camshaft is equipped with one or more cams, and cam is anti-to be turned relatively
Be arranged on camshaft dynamicly, and with its corresponding cam design limit one or more attached air-exchanging valves open and
Close.Generally, corresponding cam acts on working face at this on attached cam follower, and cam follower revolves at camshaft
When turning, power is delivered to attached air-exchanging valves from cam.During its common rotation with valve camshaft, cam exists
This with its working face cam follower by pushing surface on slide.
Additionally, by the cam follower for valve device, cam follower known in DE 102 49 761 A1
Have at least one cam for valve camshaft by pushing surface.Here, be provided with depressed part by pushing surface, depressed part is with paired
Mode, along being that arrow-shaped ground crosses each other with the direct of travel contacting of cam, and thus limits for accommodating lubricant
The profile of micro-structural.Especially form the structure of rhombus at this, it results in when at least one cam effect and dynamically holds
The lubriation material film carrying.Therefore, cam follower swims on cam based on lubriation material film approximation, thus reduces cam driven
The friction in contact area between part and cam and and then also abrasion.
Content of the invention
From the prior art describing before, now, the task of the present invention is to provide a kind of valve for internal combustion engine
Transmission device, can reduce cam and the abrasion in the contact area of cam follower in this valve device as far as possible.
This task combines its characteristic from the preceding sections of claim 1 arranged side by side and solves.Additionally, valve cam
The cam of axle and for the concrete design of cam follower of valve device from claim 4 and 8 arranged side by side
Obtain.Additionally, respectively rearmounted dependent claims illustrate the present invention be advantageously improved scheme.
According to the present invention, the valve device for internal combustion engine includes at least one cam, and it is respectively at a working face
Upper being contacted by pushing surface with cam follower.In meaning of the present invention, here, " working face " of at least one cam refer to outstanding
It is the face circumferentially constructing on cam, and at least one cam utilizes this face to act on cam follower.But at cam
Configuration aspect according to the present invention, " by pushing surface " also could be for the face contacting with adjusting means, by adjusting means, cam
Can move axially with respect to valve camshaft and attached cam follower, in order to cause convex with additionally construct
The cam follower phase separation of wheel moulding.Therefore, can relate in the case of last-mentioned in the district of the groove constructing on cam
Face in territory, the adjustment pin for the adjusting means of movement can be embedded in groove.On the contrary, " by the pushing surface " of cam follower is
In terms of being arranged on cam follower for the mating member with at least one cam contact.
The present invention includes following technological guidance now, i.e. at least one cam is provided with depressed part on its working face, depression
Portion limits the micro-structural for accommodating lubricant.For this alternative or addedly, cam follower its by pushing surface on be provided with recessed
Fall into portion, depressed part in a pair wise manner along with the direct of travel contacting of at least one cam be arrow-shaped ground cross each other,
And the wheel that the edge limiting the micro-structural for accommodating lubricant at this is constructed on direct of travel differently from one another by pushing surface
Wide.
It is to say, according to the present invention, the cam for valve camshaft is provided with depressed part on its working face, and it limits
Go out the micro-structural for accommodating lubricant.Additionally, in meaning of the present invention, the cam follower for valve device can
With at least one cam by pushing surface on be provided with depressed part, depressed part in a pair wise manner along with the row contacting of cam
Entering direction is that arrow-shaped ground crosses each other, and thus limits the profile of micro-structural for accommodating lubricant.Here, profile
Edge is constructed on direct of travel differently from one another by pushing surface.
This design of valve device has the advantage that at this, i.e. based in terms of cam and/or convex
Micro-structural in terms of wheel driven member, lubricant keeps in contact area between the two elements, and therefore at cam in convex
That takes turns driven member is made abrasion minimize by when sliding in pushing surface.Then, on the one hand the micro-structural on one or two parts causes
, certain amounts of lubrication retains in the structure shown here when engine shutdown, and when restarting internal combustion engine, directly exists
Friction between provide.
In addition on the other hand, according to exist depending on the configuration of micro-structural be responsible for construction friction between dynamic profit
The possibility of synovial membrane, thus operationally occur floating, and these parts simply contact with each other indirectly by lubricating film.This is outstanding
It can be by the profile realization that depressed part is arrow-shaped ground and crosses each other and construct micro-structural in couples, this is because respectively
In the corresponding orientation of arrow, there is accumulation in each profile for the lubricant when cam operates on cam follower.?
Carry out according to the present invention in the case of cam follower aspect construction micro-structural, profile configuration different from each other can also realize
It is matched with different sliding speeds when cam operates.Thus, the construction of dynamically lubricating film can optimize in this case.
Although, in the case of DE 102 49 761 A1, cam follower also be provided with depressed part by pushing surface, these are recessed
The portion of falling into crosses in arrow-shaped in couples each other along the direct of travel contacting with at least one cam, and limits use at this
Profile in the micro-structural accommodating lubricant.But, these profiles at this equably or at least substantially uniform construct, thus
It is impossible along being matched with different sliding speeds by pushing surface.Therefore, especially side is opened at least one cam with it
When closing side with it and act on the high speed occurring at this, can cause under-supply, and and then cause dynamic
The rupture of lubricating film.
In principle, the depressed part on cam or cam follower can be arranged on whole face, or is also provided only on this
On one or more sections in face.This is all applicable at this in terms of width and in terms of peripheral direction.
According to the advantageous embodiment of cam, the depressed part on the working face of cam also respectively in couples with rotation direction
In arrow-shaped, ground crosses each other on the contrary, and jointly limits the profile of micro-structural respectively at this.The profile of micro-structural
This configuration then causes during cam is with valve camshaft rotational motion, or micro-with in terms of cam follower
In combination with structure, or merely due to the micro-structural ground of cam, during operating on cam follower, there is the accumulation of lubricant.
It is to say, the construction of beneficially dynamically lubricating film.
In the improvement project of the present invention, along the profile of working face of cam at this structure differently from one another in rotation direction
Make.It may further be preferable that profile carrys out structure at this in the way of depending on the sliding speed being limited by the cam design of cam
Make.By the configuration different from each other of the profile of the micro-structural on cam, the formation of dynamically lubricating film may rely on by convex
Sliding speed that wheel moulding limits, that occurred is affected.Therefore, especially in the region of the nose of cam of cam,
Such as bottom profiled can be constructed compared with the basic circle of cam, even if it also contributes in the case of the higher sliding speed occurring
Construct enough lubricating films.
According to the advantageous embodiment of cam follower, the different configuration of the profile of micro-structural is to depend on by pushing surface
Realize with the mode contacting of the cam design of cam.That is, along by the profile design that pushing surface constructs being so that with such as cam with
The region that its base circle portion acts on is compared, in the region contacting with the nose of cam of cam, lubricant for example occurs
Higher accumulation.
Each improvement project of cam and cam follower preferably can be applied according to this single or in combination with one another
In bright valve device.Additionally, especially it is conceivable, that each profile is configured independent from each other in meaning of the present invention
At cam follower or cam by pushing surface or working face.Cam follower in principle can with the form of bucket tappet or
Also can be presented in the cam follower of rod, i.e. for example as pull bar or rocking arm.
The invention is not limited in the illustrated combination of the feature of claim arranged side by side or its dependent claims.This
Obtain outward being mutually combined the possibility of each feature, as long as these features come from claims, to preferred embodiment
Description subsequently or arise directly from accompanying drawing.Make claims should not answer with reference to accompanying drawing by using reference
When the protection domain limiting claims.
Brief description
The accompanying drawing that is preferred embodiment then act through of the present invention elaborates.Wherein:
Fig. 1 illustrates the sectional view of the valve device preferred embodiment corresponding to the present invention；
Fig. 2 illustrates the side view of the cam of the valve device of Fig. 1；With
Fig. 3 illustrates the top view of the cam follower of the valve device of Fig. 1.
Detailed description of the invention
The sectional view of the valve device preferred embodiment corresponding to the present invention, wherein, gas is learnt from Fig. 1
Door camshaft 1 is rotatably supported in cylinder head 2, and carries cam 3.Cam 3 is arranged on gas in anti-relative rotation at this
On door camshaft 1, and contact with cam follower 5 on the working face 4 of perimeter sides.
As it is seen from figure 1 that, cam follower 5 is embodied as bucket tappet at this, and it has in bottom section 6
For contact with cam 3 by pushing surface 7.In interior zone, cam follower 5 then also contacts with air-exchanging valves 8, and can be
Axially movably guided in the cylinder head 2 of cincture in all side region 9.
Cam 3 has cam contour 10, and it is substantially by cam base circle 11 and the superincumbent nose of cam of structure 12 groups
Become.Here, according to the configuration of nose of cam 12, (it is drawn by cam base circle 11 via the side rising, and warp again subsequently
It is transitioned into again in cam base circle 11 by the side declining) cause the opening and closing of air-exchanging valves 8, its method is, convex at valve
In the case that wheel shaft 1 rotates, cam 3 with its nose of cam 12 cam follower 5 by pushing surface 7 on effect when cause convex
Wheel axially-movable in cylinder head 2 for the driven member.Here, cam follower 5 drives air-exchanging valves 8, thus air-exchanging valves is first
Open when cam 3 acts on the side rising, and close again when cam 3 acts on the side declining.Change
The closedown of gas valve 8 is guaranteed by spring element 13 at this, and it also is responsible for for making cam follower 5 and cam 3 continuous contact.
Distinguishingly, not only cam 3 is on its working face 4 now, and cam follower 5 is at its bottom section 6 and is subject to
The region of pushing surface 7 is respectively equipped with micro-structural 14 or 15, as Fig. 2 other from two and 3 sees.Fig. 2 is at this
It is the side view towards working face 4 of cam 3, wherein, see depressed part 16 at this, depressed part arrow-shaped ground formation in couples respectively
The profile pointing on the contrary with the rotation direction 17 of valve camshaft 1 the 18th, the 19th, 20 and 21.These profiles 18 to 21 are this side
Face is responsible for being maintained at the lubricant in the region of working face 4 in depressed part 16 at large, thus has valve train
After the engine shutdown of device, lubricant is also maintained in these positions.Thus, in the case of restarting internal combustion engine
Lubricant in this region is provided immediately.
On the other hand, profile 18 to 21 based on sagittate intersect and the orientation contrary with rotation direction 17, cam 3 in
Cause collecting in the lubricant accumulation in arrow tip when acting on cam follower 5.This collecting of lubricant then results in
Forming dynamically lubricating film, it causes cam follower 5 to swim on cam 3, i.e. cause floating sliding effect.
Additionally, as it is seen from figure 2 that, profile 18 to 21 constructs respectively differently from one another, thus also obtains difference
The dynamically lubricating film of ground construction.Here, profile 18 is arranged in the region of nose of cam 12, and profile 19 to 21 is at cam base
The region of circle 11 is incorporated in working face 4.The configuration of profile 18 to 21 follows dividing between cam 3 and cam follower 5
The sliding speed not occurred in corresponding region, wherein, the sliding speed in the region of nose of cam 12 is more than cam base
Sliding speed in the region of circle 11.
As see in figure 3, the bottom section 6 of cam follower 5 is also provided with micro-knot in the region by pushing surface 7
Structure 15, it is formed by multiple depressed parts 22.Here, depressed part also crosses in arrow-shaped respectively in couples each other, and shape
Become profile the 23rd, 24 and 25, these profiles with its arrow tip towards the direction orientation of the direct of travel 26 contacting with cam 3.
With the profile 18 to 21 of cam 3 similarly, profile 23 to 25 one aspect is responsible for storing at large lubricant, and the opposing party
Face is responsible for when cam 3 acts on cam follower 5 constructing dynamically lubricating film.
Along direct of travel 26, profile 23 to 25 also constructs differently from one another, thus causes again the difference to dynamically lubricating film
Impact.Therefore, the zone line by pushing surface 7 is provided with profile 24 and 25, cam 3 with its cam base circle 11 in the middle of this
Region acts on.And profile 23 constructs in the both sides of profile 24 and 25, there, cam 3 only acts on its nose of cam 12.
Thus, the higher sliding speed occurring in this region is also allowed at cam follower 5 aspect.
The design according to the present invention by valve device can be obviously reduced abrasion.Reference numerals list
1 valve camshaft
2 cylinder head
3 cams
4 working faces
5 cam followers
6 bottom sections
7 by pushing surface
8 air-exchanging valves
9 weeks side region
10 cam contours
11 cam base circles
12 nose of cams
13 spring elements
14 micro-structurals
15 micro-structurals
16 depressed parts
17 rotation directions
18 profiles
19 profiles
20 profiles
21 profiles
22 depressed parts
23 profiles
24 profiles
25 profiles
26 direct of travels
Claims (9)
1. being used for a valve device for internal combustion engine, it includes at least one cam (3), and described cam is respectively a job
Upper being contacted by pushing surface (7) with cam follower (5) in face (4), it is characterised in that described at least one cam (3) is in its work
Face (4) is provided with depressed part (16), and described depressed part limits the micro-structural for accommodating lubricant, and/or described convex
Wheel driven member (5) its by pushing surface (7) on be provided with depressed part (22), described depressed part is in a pair wise manner along convex with at least one
In arrow-shaped, ground crosses the direct of travel (26) of the contact of wheel (3) each other, and limits at this for accommodating the micro-of lubricant
Structure along the profile (the 23rd, the 24th, 25) being constructed differently from one another on direct of travel (26) by pushing surface (7).
2. valve device according to claim 1, it is characterised in that described at least one cam (3) is always according to power
Profit requires to construct according to any one of 5 to 7.
3. valve device according to claim 1, it is characterised in that described cam follower (5) is always according to right
Require to construct described in 9.
4. the cam (3) for the valve camshaft (1) of valve device, it is with in cam follower (5)
Upper effect or for the working face (4) that contacts with adjusting means, it is characterised in that described working face (4) is provided with depressed part
(16), described depressed part limits the micro-structural for accommodating lubricant.
5. cam according to claim 4 (3), it is characterised in that described depressed part (16) respectively in a pair wise manner with
In arrow-shaped, ground crosses rotation direction (17) each other on the contrary, and jointly limits the profile of described micro-structural respectively at this
(18、19、20、21)。
6. cam according to claim 4 (3), it is characterised in that described profile (the 18th, the 19th, the 20th, 21) is along described working face
(4) construct differently from one another in rotation direction (17).
7. cam according to claim 6 (3), it is characterised in that described profile (the 18th, the 19th, the 20th, 21) passes through to depend on
The mode of the sliding speed that cam design limits constructs.
8. the cam follower (5) for valve device, it is with convex at least one of valve camshaft (1)
Wheel (3) by pushing surface (7), wherein, described be provided with depressed part (22) by pushing surface (7), described depressed part along with described cam (3)
The direct of travel (26) of contact in arrow-shaped, ground crosses each other in a pair wise manner, and thus limit for accommodating lubrication
The profile of the micro-structural of agent (the 23rd, the 24th, 25), it is characterised in that described profile (the 23rd, the 24th, 25) is expert at along described by pushing surface (7)
Enter and construct differently from one another on direction (26).
9. the cam follower according to claim (5), it is characterised in that described profile (the 23rd, the 24th, 25) is to depend on
The mode contacting by pushing surface (7) and the cam design of described cam (3) of stating limits.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014203205.9A DE102014203205A1 (en) | 2014-02-24 | 2014-02-24 | Valve gear for an internal combustion engine, as well as cam for a valve camshaft of a valve train and cam follower for a valve train |
| DE102014203205.9 | 2014-02-24 | ||
| PCT/DE2014/200697 WO2015124127A1 (en) | 2014-02-24 | 2014-12-11 | Valve drive for an internal combustion engine, cam for a valve cam shaft of a valve drive, and cam follower for a valve drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106103914A true CN106103914A (en) | 2016-11-09 |
Family
ID=52354644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480076182.9A Pending CN106103914A (en) | 2014-02-24 | 2014-12-11 | The cam of the valve device for internal combustion engine and the valve camshaft for valve device and the cam follower for valve device |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN106103914A (en) |
| DE (1) | DE102014203205A1 (en) |
| WO (1) | WO2015124127A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020084778A (en) * | 2018-11-16 | 2020-06-04 | 株式会社フリクション | Cylinder for engine |
| DE102018221107B3 (en) | 2018-12-06 | 2019-09-26 | Heidelberger Druckmaschinen Ag | Device in a printing machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5597657A (en) * | 1992-12-10 | 1997-01-28 | Honda Giken Kogyo Kabushiki Kaisha | Slide surface construction |
| US5596959A (en) * | 1995-02-08 | 1997-01-28 | Fuji Oozx Inc. | Shim for a tappet in an internal combustion engine |
| JP2002309910A (en) * | 2001-04-16 | 2002-10-23 | Suzuki Motor Corp | Cam shaft structure for internal combustion engine |
| US20050217415A1 (en) * | 2002-10-25 | 2005-10-06 | Georg Hofmann | Cam follower of a valve gear for a motor vehicle |
| US7104240B1 (en) * | 2005-09-08 | 2006-09-12 | Deere & Company | Internal combustion engine with localized lubrication control of combustion cylinders |
| FR2924365A1 (en) * | 2007-12-03 | 2009-06-05 | Peugeot Citroen Automobiles Sa | Making a coating such as a liner for an internal combustion engine cylinder, comprises thermally or coldly projecting metal particles on a substrate, polishing the metal particles, and varying parameters of the projected particles |
| JP2011256716A (en) * | 2010-06-04 | 2011-12-22 | Daihatsu Motor Co Ltd | Valve lifter |
| JP2014016032A (en) * | 2012-07-06 | 2014-01-30 | Mahle Internatl Gmbh | Method of manufacturing or finishing cam, and cam manufactured or finished with said method |
-
2014
- 2014-02-24 DE DE102014203205.9A patent/DE102014203205A1/en not_active Withdrawn
- 2014-12-11 WO PCT/DE2014/200697 patent/WO2015124127A1/en active Application Filing
- 2014-12-11 CN CN201480076182.9A patent/CN106103914A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5597657A (en) * | 1992-12-10 | 1997-01-28 | Honda Giken Kogyo Kabushiki Kaisha | Slide surface construction |
| US5596959A (en) * | 1995-02-08 | 1997-01-28 | Fuji Oozx Inc. | Shim for a tappet in an internal combustion engine |
| JP2002309910A (en) * | 2001-04-16 | 2002-10-23 | Suzuki Motor Corp | Cam shaft structure for internal combustion engine |
| US20050217415A1 (en) * | 2002-10-25 | 2005-10-06 | Georg Hofmann | Cam follower of a valve gear for a motor vehicle |
| US7104240B1 (en) * | 2005-09-08 | 2006-09-12 | Deere & Company | Internal combustion engine with localized lubrication control of combustion cylinders |
| FR2924365A1 (en) * | 2007-12-03 | 2009-06-05 | Peugeot Citroen Automobiles Sa | Making a coating such as a liner for an internal combustion engine cylinder, comprises thermally or coldly projecting metal particles on a substrate, polishing the metal particles, and varying parameters of the projected particles |
| JP2011256716A (en) * | 2010-06-04 | 2011-12-22 | Daihatsu Motor Co Ltd | Valve lifter |
| JP2014016032A (en) * | 2012-07-06 | 2014-01-30 | Mahle Internatl Gmbh | Method of manufacturing or finishing cam, and cam manufactured or finished with said method |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014203205A1 (en) | 2015-08-27 |
| WO2015124127A1 (en) | 2015-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103649477B (en) | Valve actuating mechanism and the motor vehicles that comprise this valve actuating mechanism | |
| CN104074567A (en) | Cam structure | |
| KR102371235B1 (en) | Continuous variable vavle timing apparatus and engine provided with the same | |
| KR101683519B1 (en) | Varible vavle duration system and engine provided with the same | |
| CN106103914A (en) | The cam of the valve device for internal combustion engine and the valve camshaft for valve device and the cam follower for valve device | |
| CN104100324A (en) | Rocker arm type two-stage variable valve lift mechanism | |
| US20200291829A1 (en) | Valve train of an internal combustion engine | |
| KR101683520B1 (en) | Varible vavle duration/variable valve lift system and engine provided with the same | |
| TWI268305B (en) | Valve drive device of four-stroke engine that can simplify the procedure of replacing the shim for adjusting the tappet clearance | |
| US4887565A (en) | Internal combustion engine | |
| EP3232025B1 (en) | Variable valve mechanism of internal combustion engine | |
| CN104712392B (en) | Variable air valve lift apparatus | |
| EP1775432A1 (en) | Roller rocker arm with valve bridge as integral part of the roller rocker arm | |
| KR20090108940A (en) | Continuous variable valve lift device | |
| US1557548A (en) | Valve-operating mechanism | |
| CN106351708B (en) | The variable valve actuator for air of internal combustion engine | |
| US2111735A (en) | Valve-operating mechanism for internal combustion engines | |
| CN109488410A (en) | A kind of valve lift adjustment mechanism | |
| CN206554988U (en) | A kind of engine valve actuating mechanism | |
| WO2014033910A1 (en) | Direct-action valve lifter for internal combustion engine | |
| CN110785545B (en) | Valve train for an internal combustion engine | |
| GB2521934A (en) | Valve train for an internal combustion engine, in particular of a vehicle | |
| JP6604063B2 (en) | Engine cam structure | |
| US10280811B2 (en) | Valve train system | |
| KR20200118278A (en) | Device for varying the load of the valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |
|
| RJ01 | Rejection of invention patent application after publication |