CN103857882A - Valve train for an internal combustion engine - Google Patents
Valve train for an internal combustion engine Download PDFInfo
- Publication number
- CN103857882A CN103857882A CN201280050660.XA CN201280050660A CN103857882A CN 103857882 A CN103857882 A CN 103857882A CN 201280050660 A CN201280050660 A CN 201280050660A CN 103857882 A CN103857882 A CN 103857882A
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- China
- Prior art keywords
- actuator
- camshaft
- valve
- outer shaft
- phase angle
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Classifications
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- 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
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- 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
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- 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
- F01L1/34413—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 composite camshafts, e.g. with cams being able to move relative to the camshaft
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- 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
- F01L2001/34486—Location and number of the means for changing the angular relationship
- F01L2001/34489—Two phasers on one camshaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0242—Variable control of the exhaust valves only
- F02D13/0249—Variable control of the exhaust valves only changing the valve timing only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0261—Controlling the valve overlap
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The invention relates to a valve train for an internal combustion engine with at least two cam shafts and a phase regulator (20), wherein the phase regulator (20) comprises a drive wheel (26), a first actuator which is connected to a first of the cam shafts, and a second actuator which is connected to a second of the cam shafts. By adjusting the first and/or the second actuator, a phase angle of the respective cam shaft can be adjusted relative to the drive wheel (26). Said valve train is characterized in that the adjustment of the second actuator is implemented based upon the adjustment of the first actuator.
Description
Technical field
The present invention relates to a kind of valve device for internal-combustion engine, there is at least two camshafts and a phase regulator, wherein, described phase regulator comprises a driving wheel, one first actuator and one second actuator, wherein, described the first actuator is connected in anti-relative rotation with the first camshaft in described camshaft, described the second actuator is connected in anti-relative rotation with the second camshaft in described camshaft, wherein, by adjusting the described first and/or second actuator, the adjustable phase angle about described driving wheel.
Background technique
For the valve device of a piston IC engine comprise respectively at least one, common two intake valves for each cylinder of described internal-combustion engine and exhaust valve.Described intake valve and exhaust valve, via camshaft control, wherein, in the case of having the internal-combustion engine more than two valves, use two camshafts for each cylinder conventionally.The laying of described camshaft is usually following mode, i.e. the intake valve that one of them camshaft control is all and all exhaust valves of another camshaft control.
Be well known that, in order to improve the operation action of internal-combustion engine, change in the following way the valve control time of single intake valve and/or exhaust valve, thereby adjust the phase angle of the camshaft of controlling these intake valves and/or exhaust valve.For this reason, each camshaft by means of a phase regulator with respect to a driving wheel with the angle of a definition, rotate at phase angle, wherein, drive rotatably described camshaft via described driving wheel, make thus to utilize the valve control time of the valve that described phase angle manipulates to adjust towards " early in other words in advance " or " lagging behind more late in other words ".
Also known following internal-combustion engine, wherein, described camshaft is not only controlled respectively intake valve and is also controlled exhaust valve.This is usually known as " mixed camshafts ".The phase place adjustment of this (simply) mixed camshafts has caused the variation in the valve control time of the intake valve not only controlled but also the exhaust valve of controlling in principle, exactly along identical direction and with identical phase angle.But this is undesirable in many cases.But the valve control time of described intake valve and exhaust valve should control independently.This realizes in the following way for mixed camshafts, and described camshaft is with the formal construction of twin cam shaft, so-called cam interlocking cammingly camshaft (Cam-in-Cam-Nockenwellen).Its interior axle being bearing in this outer shaft by an outer shaft and forms, and wherein, not only described interior axle but also described outer shaft are all provided with the cam for controlling described intake valve and exhaust valve.In the case, the cam of described interior axle extend in described outer shaft by opening.Like this, by means of a phase regulator, it can make described interior axle and described outer shaft rotate independently of each other, has following possibility, adjusts independently of each other the control time of described intake valve and exhaust valve.
This phase regulator is for example from US 7,841, open in 311 B2.It comprises a driving wheel, this driving wheel via driving element arbitrarily (gear, band tooth driving belt, Quality Initiative) rotatably by the crank-driven of an internal-combustion engine.The rotation of described driving wheel is delivered on a twin cam shaft via two flywheels, wherein, a wheel action in described flywheel to the interior axle of described cam and another wheel action to described outer shaft.Described flywheel can rotate in certain limit in a housing being rotarilyd actuate by described driving wheel equally, can realize thus the phase place adjustment with respect to described driving wheel of the interior axle that is connected with described flywheel and outer shaft.The adjustment in described housing of two flywheels hydraulically and is independently of each other carried out, and that is to say, the phase position of an axle does not have impact for the adjustable of another axle.Therefore, utilize from US 7,841, in 311 B2, disclosed phase regulator can be realized the phase place adjustment of interior axle and the outer shaft of controlling completely independently of each other twin cam shaft.The shortcoming of this phase regulator is for the high design cost of the independently phase place adjustment of two axles and high control technique expense.
Summary of the invention
From prior art, task of the present invention is, proposes a kind of improved this type of valve device for internal-combustion engine.Its feature especially should be the phase regulator of constructing simply in a design.
This task is by solving according to the valve device described in independent claims 1.Favourable mode of execution is the theme of dependent claims and draws from description of the invention below.
A kind of this type of valve device for internal-combustion engine arranged according to the present invention, it has at least two camshafts and a phase regulator, wherein, described phase regulator comprises a driving wheel, one first actuator and one second actuator, wherein, described the first actuator is connected in anti-relative rotation with the first camshaft in described camshaft, described the second actuator is connected in anti-relative rotation with the second camshaft in described camshaft, wherein, by adjusting the described first and/or second actuator, the adjustable phase angle about described driving wheel, improve in the following way, the adjustment of described the second actuator is carried out according to the adjustment of described the first actuator.In other words, described first mutually directly or indirectly connects or is connected via a linkage member with described the second actuator, especially mechanically or electricity.
Therefore, with according to US 7,841, different in the situation of the phase regulator of 311 B2, just be not arranged to two camshafts that manipulated by described actuator and adjust completely independently of each other capable of regulating in other words, but the position of the definition of the adjustment of in described camshaft and another camshaft is associated.The method based on thinking be, for an operation that is provided with the internal-combustion engine of this valve device, conventionally do not need to control completely independently of each other described valve, and not only can reduce the design cost for described phase regulator by giving up the independent possibility of controlling, and can obviously reduce adjusting expense, can the computational costs of set for this purpose control apparatus be kept very lowly thus.
Preferably be arranged to, described phase regulator hydraulically operates.Like this, the rotation of single camshaft can for example be carried out in the following way, be that one or two pressure chamber utilizes hydraulic fluid filling or emptying, wherein, described pressure chamber (difference) is limited by an executive component swingable, that be connected with each camshaft in a side: in the case of two pressure chambers that separated by described executive component, can, by the filling of the alternation of described pressure chamber/emptying, realize the rotation of each camshaft pure hydraulic pressure in two directions.If only use a pressure chamber, can be arranged to, the filling of this pressure chamber has caused described executive component to overcome the swing of spring force, and this swing causes again the in the situation that of emptying in described pressure chamber that one resets reliably.
Certainly have as an alternative following possibility, same design ground is pneumatically and non-ly hydraulically operate described phase regulator to a great extent.But hydraulically operated major advantage is the incompressibility of described hydraulic fluid, can realize the degree of accuracy required for described adjustment in fairly simple mode thus.
Except operation hydraulic pressure or pneumatic of described phase regulator, certainly also there is as an alternative following possibility, it mechanically and/or electricly is operated.In addition, also have following possibility, operate in a different manner two actuators, for example in described actuator is that hydraulically operate and described another mechanically or electricly operates.
Design upper simple and preferred possibility and can in the case of (or pneumatic) phase regulator of a hydraulic pressure, realize in the following way in order to realize coherence a kind of of the adjustment of described the second actuator and the adjustment of described the first actuator, be that it comprises at least one valve, this valve is closed or is opened according to the position of described the first actuator, and causes thus the corresponding adjustment of described the second actuator.In the case, described valve especially may be embodied to simple opening, and the pressure chamber that its position and one according to one of described the first actuator movable (especially swingable) executive component utilizes hydraulic fluid (or pressurized gas) to fill is connected or separates from it.
For design and the adjusting of further simplifying described phase regulator expend, can also be arranged to, the adjustment numeric only ground of described the second actuator, that is to say at two and adjusts between position and carry out.
Especially can be arranged in the case, under a little and/or large phase angle of first actuator of described (can the phase angle scope in a definition in adjust), adjust a little phase angle of described the second actuator, and/or in the case of described the first actuator one in the middle of phase angle adjust a large phase angle of described the second actuator.In the case, preferably so, a little phase angle is corresponding to the control time shifting to an earlier date of the valve of the described internal-combustion engine that utilizes corresponding camshaft to control for described phase angle direction, and a large phase angle is corresponding to the control time of a hysteresis.
Being arranged to preferred embodiment according to the one of valve device of the present invention, described first and described the second camshaft be arranged in the formal construction of the interior axle in described outer shaft with an outer shaft and.Therefore these two camshafts construct a twin cam shaft, wherein, might not want adjustment equidirectional and formed objects although described phase regulator produces the separate of the interior axle of described twin cam shaft and outer shaft.Therefore, also be advantageously suitable for so-called hybrid (two) camshaft according to the phase regulator of valve device of the present invention, wherein, the another kind of type in valve described in a type (intake valve or exhaust valve) in valve and described outer shaft control described in described interior axle control.Correspondingly preferably be arranged to, arrange at least one intake valve to described the first camshaft and arrange at least one exhaust valve to described the second camshaft.
This preferred concrete manipulation according to the intake valve of the valve device with hybrid (two) camshaft of the present invention and exhaust valve can be arranged to, described the first actuator has a total adjustment range for the phase angle from 0 ° to about 50 °, wherein, the position in little phase angle, the especially scope between 0 ° and 10 ° of described the first actuator causes the position with a large phase angle of described the second actuator.Therefore, preferably by " shifting to an earlier date " control time of the intake valve for described internal-combustion engine with combine for " hysteresis " control time of described exhaust valve.The described control time can especially arrange in the time that described internal-combustion engine (being similar to) moves in fully loaded and slow-revving situation, in order to utilize the maximum swelling merit in described cylinder.Can the specific fuel consumption of described internal-combustion engine be kept very lowly thus.
Phase angle, the especially position in the scope between about 10 ° and about 25 ° at described the first actuator in the middle of one, can preferably be arranged to, described the second actuator is adjusted to a little phase angle.This can especially arrange in the time being fully loaded with and moving in high-revolving situation at described internal-combustion engine (being similar to).Like this, the enough ventilations in the firing chamber of described internal-combustion engine have been guaranteed for " shifting to an earlier date " control time of the exhaust valve controlled by described the second camshaft.
, can preferably be arranged at a large phase angle, especially in the case of from the position the scope between about 25 ° to about 50 ° at described the first actuator, described the second actuator (again) is adjusted to a large phase angle.This can be especially arranges in the time that described internal-combustion engine moves in partial load in the situation that, in order to realize one for utilizing better so-called " miller cycle (Miller-Cycle) " of described expansion work.
As a kind of possibility of simple supporting in the design of the axle of a twin cam shaft, can preferably be arranged to, the described interior axle that is preferably provided for the intake valve of controlling described internal-combustion engine is connected with described the first actuator, and the described outer shaft that is provided for controlling described exhaust valve is connected with described the second actuator.
According to being arranged in the mode of execution of a kind of alternative of valve device of the present invention, combine according to the phase regulator of valve device of the present invention and two twin cam shafts, that is to say, not only described first and also described the second camshaft be arranged in the formal construction of the interior axle in described outer shaft with an outer shaft and, and described the first actuator is connected with interior axle or the outer shaft of a camshaft, and described the second actuator is connected with interior axle or the outer shaft of the second camshaft.This design can preferably arrange in following situation, and described two camshafts do not design " hybrid ", that is to say, only control respectively intake valve or exhaust valve.The coherence of the adjustment of described the second actuator and described the first actuator is following mode preferably, in the case of the large phase angle of described the first actuator, (that is to say in the case of " hysteresis " control time for described intake valve), the one little phase angle of realizing described the second actuator (that is to say, for " shifting to an earlier date " control time of described exhaust valve), wherein, described the first actuator is preferably connected with the camshaft that is equipped with described intake valve.
In addition, certainly have following possibility, have two camshafts according to two of valve device of the present invention actuator configurations, they are not into two and/or are not hybrid-type.
Brief description of the drawings
Explain in detail the present invention by the embodiment who shows in accompanying drawing below.Shown in the drawings:
Fig. 1: there is shown a kind of mode of execution according to valve device of the present invention in a signal.
Embodiment
Fig. 1 there is shown the critical piece according to valve device of the present invention in a signal.It comprises a camshaft 10, and this camshaft is with formal construction Cheng Shuan, mixed camshafts.For this reason, described camshaft comprises an outer shaft 12, and it has multiple cams 14 that distribute in length and arrange, described cam is provided for controlling the exhaust valve of an internal-combustion engine.At the interior axle 16 of the interior rotatably support one of described outer shaft 12.On the outer side surface of described interior axle 16, also arrange multiple cams that distribute in its length 18, described cam is for controlling the intake valve of described internal-combustion engine.
Described camshaft 10 utilizes one end thereof to be connected with a phase regulator 20.This phase regulator comprises two actuators, and wherein, one first actuator is connected in anti-relative rotation with the interior axle 16 of described camshaft 10, and one second actuator is connected in anti-relative rotation with described outer shaft 12.Described actuator has rotor 22, and described rotor has the adjustment wing (in this case respectively altogether four), and the wall of the housing 24 of they and described phase regulator constructs pressure chamber.The large I of described pressure chamber changes by the rotation of each rotor 22.This rotation realizes in the following way, all or individual other, attach troops to a unit and utilize a hydraulic fluid (under the pressure of a definition) to fill in the pressure chamber of each rotor 22.Aspect the design details of the pressure chamber constructing at design details, especially rotor 22 and with described housing 24, described phase regulator can be according to from US 7,841, and in 311 B2, disclosed phase regulator is constructed.
By the rotation of described two rotors 22, adjust a phase angle about a driving wheel 26 being connected with described housing, this driving wheel is driven by a unshowned crankshaft rotating of described internal-combustion engine.This phase angle was delivered on corresponding cam by described rotor 22 and being connected in anti-relative rotation of each interior axle 16 or outer shaft 12, changed thus the intake valve controlled by described cam and the control time of exhaust valve.
One-tenth arranged according to the present invention, the adjustment of described the second actuator is carried out according to the position of described the first actuator.For this reason, valve openings and overflow pipe 28(are set by arrow schematic representation).According to the difference of the position of the rotor 22 of described the first actuator, open other valve openings in described valve openings, and thus other overflow pipe in other pressure chamber in the pressure chamber being constructed by described the first rotor 22 and described housing 24 and described overflow pipe is coupled together.Can make to be present in thus in the pressure chamber of opening that hydraulic fluid in the pressure chamber of described the first actuator flow into described the second actuator and correspondingly adjust described the second actuator.
In described embodiment, be arranged to, described the first actuator has from the adjustment range of 0 ° to about 50 °.In the case, described phase angle raises along the sense of rotation of described the first actuator, thus along with utilize the valve that the described valve control time controls the described valve control time the adjustment to " after a while " and produce the phase angle that a change is large.If in the scope of the rotor of described the first actuator between 0 ° and 10 °, this can be considered as " shifting to an earlier date " control time of the intake valve of being controlled by the cam of described interior axle, fill the following pressure chamber of described second brake via the overflow pipe 28 of correspondingly opening, these pressure chambers will described the second actuator (until stop member of a definition) towards general sense of rotation and finally towards a rotation of the phase angle as maximum definition.The control time of the exhaust valve of correspondingly, being controlled by the cam 14 of described outer shaft 12 is to the change of " after a while ".The phase angle of described two actuators arranges in the time that described internal-combustion engine (being similar to) moves in fully loaded and slow-revving situation, in order to utilize the maximum swelling merit in described cylinder.Can the specific fuel consumption of described internal-combustion engine be kept very lowly thus.
Position at the rotor of described the first actuator in the scope of about 10 ° and about 25 °, be arranged to, it is adjusted that the rotor 22 of described the second actuator is in reverse to described general sense of rotation by pressure chamber's (until stop member of a definition) of correspondingly filling described the second actuator.Therefore, drawn " shifting to an earlier date " control time for described exhaust valve.This arranges in the time being fully loaded with and moving in high-revolving situation at described internal-combustion engine (being similar to).Like this, " shifting to an earlier date " control time of described exhaust valve has been guaranteed the enough ventilations in the firing chamber of described internal-combustion engine.
At the rotor 22 of described the first actuator in the case of can preferably be arranged to from the position the scope between about 25 ° to about 50 °, by the rotor 22(of described the second actuator again) be adjusted to a large phase angle.This arranges in the situation that described internal-combustion engine utilizes partial load operation.
reference numerals list
10 camshafts
12 outer shafts
14 cams
16 interior axles
18 cams
20 phase regulators
22 rotors
24 housings
26 driving wheels
28 overflow pipes
Claims (10)
1. for the valve device of internal-combustion engine, there is at least two camshafts and a phase regulator (20), wherein, described phase regulator (20) comprises a driving wheel (26), one first actuator and one second actuator, wherein, described the first actuator is connected with the first camshaft in described camshaft, described the second actuator is connected with the second camshaft in described camshaft, wherein, by adjusting described the first actuator and/or the second actuator, adjustable each camshaft is about the phase angle of described driving wheel (26), it is characterized in that, the adjustment of described the second actuator is carried out according to the adjustment of described the first actuator.
2. according to valve device claimed in claim 1, it is characterized in that, described phase regulator (20) hydraulically operates.
3. according to valve device claimed in claim 2, it is characterized in that, described phase regulator (20) comprises at least one valve, and described valve is closed or opened according to the position of described the first actuator.
4. according to valve device in any one of the preceding claims wherein, it is characterized in that, the adjustment of described the second actuator is digitally carried out.
5. according to valve device in any one of the preceding claims wherein, it is characterized in that,
One little and/or large phase angle of-described the first actuator causes a little phase angle of described the second actuator, and/or
-described the first actuator one in the middle of the large phase angle that causes described the second actuator, phase angle.
6. according to valve device in any one of the preceding claims wherein, it is characterized in that, described the first camshaft and described the second camshaft are arranged in the formal construction of the interior axle (16) in described outer shaft (12) with an outer shaft (12) and.
7. according to valve device claimed in claim 6, it is characterized in that, arrange at least one intake valve to described the first camshaft and arrange at least one exhaust valve to described the second camshaft.
8. according to the valve device described in claim 6 or 7, it is characterized in that, described the first actuator has from the adjustment range of 0 ° to about 50 °, wherein
-at described the first actuator from the scope of 0 ° to about 10 ° or in the case of from the adjustment the scope of about 25 ° to about 50 °, adjust a little phase angle of described the second actuator; And
-at described the first actuator in the case of from the adjustment the scope of about 10 ° to about 25 °, adjust a large phase angle of described the second actuator.
9. according to the valve device described in any one in claim 6 to 8, it is characterized in that, described the first actuator is connected with described interior axle (16), and described the second actuator is connected with described outer shaft (12).
10. according to the valve device described in any one in claim 1 to 5, it is characterized in that, described the first camshaft is arranged in the formal construction of the interior axle (16) in described outer shaft with an outer shaft (12) and, and described the second camshaft is arranged in the formal construction of the interior axle (16) in described outer shaft with an outer shaft (12) and, wherein, the interior axle (16) of described the first actuator and described the first camshaft or outer shaft (12) is connected and described the second actuator is connected with interior axle (12) or the outer shaft (16) of described the second camshaft.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011116130A DE102011116130A1 (en) | 2011-10-15 | 2011-10-15 | Valve train for an internal combustion engine |
| DE102011116130.2 | 2011-10-15 | ||
| PCT/EP2012/003838 WO2013053421A1 (en) | 2011-10-15 | 2012-09-13 | Valve train for an internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103857882A true CN103857882A (en) | 2014-06-11 |
| CN103857882B CN103857882B (en) | 2017-06-09 |
Family
ID=46968127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280050660.XA Expired - Fee Related CN103857882B (en) | 2011-10-15 | 2012-09-13 | For the valve device of internal combustion engine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2766582A1 (en) |
| CN (1) | CN103857882B (en) |
| DE (1) | DE102011116130A1 (en) |
| WO (1) | WO2013053421A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107849951A (en) * | 2015-08-03 | 2018-03-27 | 大众汽车有限公司 | Internal combustion engine and the method for installing internal combustion engine |
| CN111201371A (en) * | 2017-10-20 | 2020-05-26 | 伊顿智能动力有限公司 | Actuating device for a valve train assembly |
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| DE102014116191C5 (en) * | 2014-11-06 | 2018-11-15 | Thyssenkrupp Presta Teccenter Ag | Valve drive for actuating gas exchange valves of an internal combustion engine |
| EP3141711A1 (en) * | 2015-09-11 | 2017-03-15 | Mechadyne International Limited | Dual camshaft phaser |
| DE102017103718A1 (en) | 2017-02-23 | 2018-08-23 | Volkswagen Aktiengesellschaft | Phase adjuster for a camshaft of an internal combustion engine |
| DE102017206645A1 (en) * | 2017-04-20 | 2018-10-25 | Robert Bosch Gmbh | Tank ventilation device |
| DE102018111996A1 (en) | 2018-05-18 | 2019-04-11 | Schaeffler Technologies AG & Co. KG | Camshaft adjusting system with hydraulic camshaft adjuster and electric camshaft adjuster |
| DE102018111994B4 (en) | 2018-05-18 | 2023-09-21 | Schaeffler Technologies AG & Co. KG | Camshaft adjustment system with hydraulic camshaft adjuster and electric camshaft adjuster |
| DE102019132075A1 (en) * | 2019-11-27 | 2021-05-27 | Schaeffler Technologies AG & Co. KG | Camshaft adjustment system with two camshaft adjusters and an internal combustion engine with camshaft adjustment system |
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| GB2346948A (en) * | 1999-02-18 | 2000-08-23 | Mechadyne Int Plc | Variable phase mechanism |
| WO2002101207A1 (en) * | 2001-06-11 | 2002-12-19 | Blagoje Cavara | Valve opening and closing control mechanism |
| DE102006024793A1 (en) * | 2006-05-27 | 2007-11-29 | Mahle International Gmbh | camshaft |
| US7841311B2 (en) | 2008-01-04 | 2010-11-30 | Hilite International Inc. | Variable valve timing device |
| DE102009041755B4 (en) * | 2008-10-09 | 2019-02-21 | Schaeffler Technologies AG & Co. KG | Double independent adjustment system for independently adjusting the intake and exhaust cam lobes of a concentric camshaft assembly |
-
2011
- 2011-10-15 DE DE102011116130A patent/DE102011116130A1/en not_active Withdrawn
-
2012
- 2012-09-13 EP EP12766882.0A patent/EP2766582A1/en not_active Ceased
- 2012-09-13 WO PCT/EP2012/003838 patent/WO2013053421A1/en active Application Filing
- 2012-09-13 CN CN201280050660.XA patent/CN103857882B/en not_active Expired - Fee Related
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| DE4230074A1 (en) * | 1992-09-09 | 1994-03-10 | Bayerische Motoren Werke Ag | Stroke-piston IC engine with two gas exchange valves per cylinder |
| EP1234954A2 (en) * | 2000-11-18 | 2002-08-28 | Mechadyne PLC | Variable phase drive mechanism |
| GB2401163A (en) * | 2003-04-29 | 2004-11-03 | Mechadyne Plc | Variable phase mechanism |
| US20070137598A1 (en) * | 2005-12-21 | 2007-06-21 | Oliver Fritz | Camshaft |
| GB2472054A (en) * | 2009-07-23 | 2011-01-26 | Mechadyne Plc | Phaser assembly for an internal combustion engine |
| CN102191962A (en) * | 2010-03-10 | 2011-09-21 | 通用汽车环球科技运作有限责任公司 | Engine with dual cam phaser for concentric camshaft |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107849951A (en) * | 2015-08-03 | 2018-03-27 | 大众汽车有限公司 | Internal combustion engine and the method for installing internal combustion engine |
| CN107849951B (en) * | 2015-08-03 | 2020-04-24 | 大众汽车有限公司 | Internal combustion engine and method for mounting an internal combustion engine |
| CN111201371A (en) * | 2017-10-20 | 2020-05-26 | 伊顿智能动力有限公司 | Actuating device for a valve train assembly |
| US11346257B2 (en) | 2017-10-20 | 2022-05-31 | Eaton Intelligent Power Limited | Actuation arrangement for a valve train assembly |
| CN111201371B (en) * | 2017-10-20 | 2022-11-15 | 伊顿智能动力有限公司 | Actuating device for a valve train assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011116130A1 (en) | 2013-04-18 |
| EP2766582A1 (en) | 2014-08-20 |
| CN103857882B (en) | 2017-06-09 |
| WO2013053421A1 (en) | 2013-04-18 |
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