CN106321178A - Push rod of engine, engine and automatic adjusting method for valve gap - Google Patents
Push rod of engine, engine and automatic adjusting method for valve gap Download PDFInfo
- Publication number
- CN106321178A CN106321178A CN201610756473.3A CN201610756473A CN106321178A CN 106321178 A CN106321178 A CN 106321178A CN 201610756473 A CN201610756473 A CN 201610756473A CN 106321178 A CN106321178 A CN 106321178A
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- Prior art keywords
- voltage
- electromotor
- valve
- valve clearance
- push rod
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000004904 shortening Methods 0.000 claims abstract description 5
- 239000012190 activator Substances 0.000 claims description 44
- 230000001186 cumulative effect Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 7
- 230000008450 motivation Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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
- F01L1/20—Adjusting or compensating clearance
- F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
-
- 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
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
- F01L9/24—Piezoelectric actuators
Landscapes
- 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 the technical field of engines, in particular to a push rod of an engine, the engine and an automatic adjusting method for a valve gap. The valve gap of the engine can be automatically adjusted without detaching the engine, operation is simple and convenient, the labor cost can be saved, and the running hidden danger of the engine is reduced. The defects that during manual valve gap adjustment in the prior art, operation is not convenient, the labor cost is increased, and meanwhile other hidden danger is likely to happen to the engine are overcome. The push rod of the engine comprises a piezoelectric actuator. The lower end of the piezoelectric actuator is used for being in transmission connection with a cam shaft, and the upper end of the piezoelectric actuator is used for being in transmission connection with one end of a short arm of a rocker. The upper end and the lower end of the piezoelectric actuator are electrically connected with a voltage adjustable power source. The piezoelectric actuator is used for extending or shortening when the voltage of the voltage adjustable power source is changed, the rocker is driven to swing, and accordingly the valve gap can be adjusted.
Description
Technical field
The present invention relates to technical field of engines, particularly relate to the push rod of a kind of electromotor and electromotor and valve clearance
Automatic adjustment method.
Background technology
Owing to the valve in the valve actuating mechanism of electromotor is generally arranged in cylinder head, during engine work, it is in height
Speed state, temperature is higher, extends, will automatically back down valve, make valve after being therefore heated such as the part such as valve lifter, valve stem
It is not closed completely with valve seating, causes gas leak phenomenon, in order to avoid expanding with heat and contract with cold, valve actuating mechanism is produced impact, in intake and exhaust door rod
Adjust on tail end and rocking arm between screw and leave certain gap, this gap, it is simply that valve clearance.
Along with the continuous operation of electromotor, between mechanical part, friction can cause valve clearance to diminish, and valve clearance diminishes
Valve-closing can be caused not tight, produce gas leakage, thus the power output of electromotor can be affected, and between mechanical part, collision is made an uproar
Sound is relatively big, therefore, valve clearance is needed when diminishing valve clearance be adjusted, existing engine on time is longer
Have in technology, it usually needs by manually described valve clearance being adjusted after dismounting engine cylinder cap, inconvenient operation,
Human cost increases, and easily brings other hidden danger for electromotor when manual adjustment simultaneously.
Summary of the invention
Embodiments of the invention provide the push rod of a kind of electromotor and electromotor and the Automatic adjustment method of valve clearance.No
Need to dismantle electromotor just can the valve clearance of described electromotor be automatically adjusted, simple to operation, it is possible to save
Human cost, reduces the operation hidden danger of electromotor.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
On the one hand, the embodiment of the present invention provides the push rod of a kind of electromotor, including:
Piezo-activator, the lower end of described piezo-activator is for being connected with camshaft drive, and upper end is used for and rocking arm
Galianconism one end is in transmission connection；
The top and bottom of described piezo-activator electrically connect with voltage-adjustable power respectively；Described piezo-activator is used for
Elongating or shortening when the change in voltage of described voltage-adjustable power, band motion rocker arm swings, to adjust valve clearance
Joint.
Preferably, described push rod also includes shaft-like housing and drive disk assembly, and the upper end of described shaft-like housing is open, lower end
Closing, described piezo-activator and described drive disk assembly are arranged in described shaft-like housing the most successively, and described piezoelectricity causes
The lower end of dynamic device is connected with the blind end upper surface of described shaft-like housing, and upper end connects with the lower end in contact of described drive disk assembly
Connecing, the upper end of described drive disk assembly is stretched out galianconism one end of described shaft-like hull outside and described rocking arm and is in transmission connection.
Optionally, described drive disk assembly includes pressure-bearing body and the support being arranged in described shaft-like housing the most successively
Body, the lower end of described pressure-bearing body is connected with the upper-end contact of described piezo-activator, the upper end of described pressure-bearing body, described supporter
Lower end and described shaft-like housing enclose hydraulic cavities.
On the other hand, the embodiment of the present invention provides the valve actuating mechanism of a kind of electromotor, including valve group and valve transmission group；
Described valve train group includes: rocking arm, camshaft and push rod as above, galianconism one end of described rocking arm and institute
Stating camshaft to be in transmission connection by described push rod, long-armed one end of described rocking arm is flexibly connected with described valve group.
Preferably, described valve train group also includes that tappet, the lower end of described tappet are connected with described camshaft, upper end with
The bottom of the blind end of described shaft-like housing connects.
On the other hand, the embodiment of the present invention provides a kind of electromotor, including electronic control unit and distribution as above
Mechanism；
Described electronic control unit electrically connects with described voltage-adjustable power, for the output to described voltage-adjustable power
Voltage is controlled.
Optionally, when described electronic control unit is additionally operable to obtain the operating condition of described electromotor and accumulation operation
Between.
Another further aspect, the embodiment of the present invention provides the Automatic adjustment method of a kind of valve clearance, is applied to as above
Electromotor；Including:
Electromotor runs under default operating mode, by the described electronic control unit output electricity to described voltage-adjustable power
Pressure is adjusted so that described piezo-activator elongates or shortens, and band motion rocker arm swings, and enters described valve clearance
Row regulation.
Preferably, described electromotor also includes before running under default operating mode:
The default operating mode of simulated engine；
Determine several different time points, in time bringing into operation to each time point, measure each time point institute
Corresponding valve clearance, sets up the functional relationship between valve clearance and Cumulative Elapsed Time under described default operating mode.
Optionally, described electromotor also includes before running under default operating mode:
Described electronic control unit controls described voltage-adjustable power some groups of different magnitudes of voltage of output, measures every respectively
Valve clearance corresponding to one group of magnitude of voltage, obtains the functional relationship between voltage and valve clearance.
Preferably, described it is adjusted specifically wrapping to the output voltage of described voltage-adjustable power by electronic control unit
Include:
Described electronic control unit obtains operating condition and the Cumulative Elapsed Time of electromotor, according under described default operating mode
Functional relationship between valve clearance and Cumulative Elapsed Time determines the valve clearance value corresponding to any time, and with default gas
Door gap width compares, however, it is determined that exist between valve clearance value and the described default valve clearance value corresponding to any time
Deviation, then calculate the magnitude of voltage eliminated corresponding to described deviation according to the functional relationship between described voltage and valve clearance, and
Regulate the output voltage of described voltage-adjustable power equal to described magnitude of voltage.
Embodiments provide the push rod of a kind of electromotor and electromotor and the Automatic adjustment method of valve clearance, logical
Cross the structure to push rod to improve, be rigid body with push rod in prior art compared with, described push rod includes piezo-activator, root
According to the inverse piezoelectric effect of piezo-activator, apply different size of voltage to the two ends up and down of described piezo-activator, can make
Described piezo-activator stretches up and down such that it is able to be adjusted valve clearance according to lever principle, it is not necessary to dismounting is started
The valve clearance of described electromotor just can be automatically adjusted by machine, simple to operation, it is possible to saves human cost, reduces
The operation hidden danger of electromotor.Overcome in prior art and by artificial, described valve clearance is adjusted so that operating not side
Just, human cost increases, and the most easily brings the defect of other hidden danger for electromotor.
Accompanying drawing explanation
The cross-sectional view of the push rod of a kind of electromotor that Fig. 1 provides for the embodiment of the present invention；
The structural representation of the valve actuating mechanism of a kind of electromotor that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
The push rod of a kind of electromotor below in conjunction with the accompanying drawings embodiment of the present invention provided and electromotor and valve clearance
Automatic adjustment method is described in detail.
On the one hand, the embodiment of the present invention provides the push rod 01 of a kind of electromotor, sees Fig. 1 and Fig. 2, including:
Piezo-activator 1, the lower end of described piezo-activator 1 is for being in transmission connection with camshaft 2, and upper end is used for and rocking arm
Galianconism one end of 3 is in transmission connection；
The top and bottom of described piezo-activator 1 electrically connect with voltage-adjustable power (not shown) respectively；Described
Piezo-activator 1 is for elongating or shortening when the change in voltage of described voltage-adjustable power, and band motion rocker arm swings, with right
Valve clearance is adjusted.
Embodiments provide the push rod of a kind of electromotor, by the structure of push rod 01 is improved, with existing
In technology, push rod is that rigid body is compared, and described push rod 01 includes piezo-activator 1, according to the inverse piezoelectric effect of piezo-activator 1,
Apply different size of voltage to the two ends up and down of described piezo-activator 1, described piezo-activator about 1 can be made to stretch,
It is thus possible to valve clearance is adjusted according to lever principle, it is not necessary to dismounting electromotor just can be to the gas of described electromotor
Door gap automatically adjusts, simple to operation, it is possible to save human cost, reduces the operation hidden danger of electromotor.Overcome
Being adjusted so that inconvenient operation by artificial to described valve clearance in prior art, human cost increases, the most easily
The defect of other hidden danger is brought for electromotor.
In one embodiment of the invention, described push rod also includes shaft-like housing 4 and drive disk assembly 5, described shaft-like housing 4
Upper end open, lower end closed, described piezo-activator 1 and described drive disk assembly 5 are arranged in described shaft-like the most successively
In housing 4, described piezo-activator 1 lower end is connected with the blind end upper surface of described shaft-like housing 4, upper end and described biography
The lower end in contact of dynamic component 5 connects, and outside short with described rocking arm of described shaft-like housing 4 is stretched out in the upper end of described drive disk assembly 5
Arm one end is in transmission connection.
In embodiments of the present invention, by described piezo-activator 1 is placed in shaft-like housing 4, and cause at described piezoelectricity
The top of dynamic device 1 connects drive disk assembly 5, it is possible to the stretching operation of described piezo-activator 1 is converted into the upper of described drive disk assembly 5
Lower movement, it is to avoid directly the two ends up and down of piezo-activator 1 are contacted with described camshaft 2 and described rocking arm and produce respectively
Raw abrasion.
Wherein, described drive disk assembly 5 can be rigid body, such as can be along the axial reciprocating activity of described shaft-like housing 4
Supporter.
Preferably, described drive disk assembly 5 includes the pressure-bearing body 51 being arranged in described shaft-like housing 4 the most successively and props up
Support body 52, the lower end of described pressure-bearing body 51 is connected with the upper-end contact of described piezo-activator 1, the upper end of described pressure-bearing body 51,
Lower end and the described shaft-like housing 4 of described supporter 52 enclose hydraulic cavities 53.
By arranging hydraulic cavities 53 between supporter 52 and pressure-bearing body 51, described hydraulic cavities 53 can filling liquid force feed, with
Described drive disk assembly 5 is compared for rigid body, it is possible to the lateral stress that will act on described supporter 52 balances out so that effect
Lateral stress on described pressure actuator 1 is close to zero such that it is able to preferably avoid described piezo-activator 1 by side
Stress and damage.
On the other hand, the embodiment of the present invention provides the valve actuating mechanism of a kind of electromotor, sees Fig. 1 and Fig. 2, including valve group
10 and valve transmission group 100；
Described valve train group 100 includes: rocking arm 3, camshaft 2 and push rod 01 as above, the galianconism of described rocking arm 3
One end is in transmission connection by described push rod 01 with described camshaft 2, and long-armed one end of described rocking arm 3 is movable with described valve group 10
Connect.
Embodiments provide the valve actuating mechanism of a kind of electromotor, by the structure of push rod 01 is improved, with
In prior art, push rod is that rigid body is compared, and described push rod 01 includes piezo-activator 1, according to the inverse piezoelectricity of piezo-activator 1
Effect, applies different size of voltage, can make described piezo-activator about 1 to the two ends up and down of described piezo-activator 1
Flexible such that it is able to according to the lever principle of described rocking arm 3, valve clearance to be adjusted, it is not necessary to dismounting electromotor just can
The valve clearance of described electromotor is automatically adjusted, simple to operation, it is possible to save human cost, reduce electromotor
Run hidden danger.Overcoming in prior art is adjusted so that inconvenient operation by artificial to described valve clearance, and manpower becomes
This increase, the most easily brings the defect of other hidden danger for electromotor.
In one embodiment of the invention, described valve train group 100 also includes tappet 6, and the lower end of described tappet 6 is with described
Camshaft 2 connects, and upper end is connected with the bottom of the blind end of described shaft-like housing 4.In embodiments of the present invention, can be only to pushing away
Bar is replaced, and does not change the original structure of described valve actuating mechanism, and the change to primary motivation is less.
On the other hand, the embodiment of the present invention provides a kind of electromotor, including electronic control unit and distribution as above
Mechanism；
Described electronic control unit electrically connects with described voltage-adjustable power, for the output to described voltage-adjustable power
Voltage is controlled.
Embodiments provide a kind of electromotor, by the structure of push rod is improved, push away in prior art
Bar is that rigid body is compared, and described push rod includes piezo-activator, according to the inverse piezoelectric effect of piezo-activator, by described electronics
Control unit controls described voltage-adjustable power and applies different size of voltage to the two ends up and down of described piezo-activator, can make
Obtain described piezo-activator to stretch up and down such that it is able to according to the lever principle of described rocking arm, valve clearance is adjusted, no
Need to dismantle electromotor just can the valve clearance of described electromotor be automatically adjusted, simple to operation, it is possible to save
Human cost, reduces the operation hidden danger of electromotor.Overcome in prior art by manually described valve clearance being adjusted
Making inconvenient operation, human cost increases, and the most easily brings the defect of other hidden danger for electromotor.
In one embodiment of the invention, described electronic control unit be additionally operable to obtain the operating condition of described electromotor and
Cumulative Elapsed Time.Operating condition and Cumulative Elapsed Time, the energy of described electromotor is obtained by described electronic control unit
The Changing Pattern of enough valve clearancies running random time according to arbitrary operating mode controls the output voltage of described voltage-adjustable power,
Valve clearance is adjusted.
Another further aspect, the embodiment of the present invention provides the Automatic adjustment method of a kind of valve clearance, is applied to as above
Electromotor；Including:
Electromotor runs under default operating mode, by the described electronic control unit output electricity to described voltage-adjustable power
Pressure is adjusted so that described piezo-activator is along elongating or shortening, and band motion rocker arm swings, to described valve clearance
It is adjusted.
Embodiments provide the Automatic adjustment method of a kind of valve clearance, controlled by described electronic control unit
Described voltage-adjustable power applies different size of voltage to the two ends up and down of described piezo-activator, and described piezoelectricity can be made to cause
Dynamic device stretches up and down such that it is able to be adjusted valve clearance according to the lever principle of described rocking arm, it is not necessary to dismounting is started
The valve clearance of described electromotor just can be automatically adjusted by machine, simple to operation, it is possible to saves human cost, reduces
The operation hidden danger of electromotor.Overcome in prior art and by artificial, described valve clearance is adjusted so that operating not side
Just, human cost increases, and the most easily brings the defect of other hidden danger for electromotor.
Wherein it is possible to rule of thumb obtain the corresponding relation between valve clearance and Cumulative Elapsed Time, and according to described
The voltage at described piezo-activator two ends is adjusted by corresponding relation, thus is adjusted valve clearance.
In one embodiment of the invention, described electromotor also includes before running under default operating mode:
The default operating mode of simulated engine；
Determine several different time points, in time bringing into operation to each time point, measure each time point institute
Corresponding valve clearance, sets up the functional relationship between valve clearance and Cumulative Elapsed Time under described default operating mode.
By setting up under described default operating mode the functional relationship between valve clearance and Cumulative Elapsed Time, between to valve
When gap is adjusted, just valve clearance can be adjusted with corresponding Cumulative Elapsed Time according to this functional relationship, for
The regulated quantity of valve clearance provides reference standard so that the regulation of valve clearance is more convenient.
In another embodiment of the present invention, described electromotor also includes before running under default operating mode:
Control described voltage-adjustable power some groups of different magnitudes of voltage of output by described electronic control unit, survey respectively
Measure the valve clearance corresponding to each group of magnitude of voltage, obtain the functional relationship between voltage and valve clearance.
Before described electromotor runs, in the case of remaining condition is the most constant, set up between voltage and valve clearance
Functional relationship, when valve clearance is adjusted, directly just voltage can be adjusted according to this functional relationship, for electricity
The regulated quantity of pressure provides reference standard so that the regulation of voltage is more convenient.
In another embodiment of the present invention, the described output voltage by electronic control unit to described voltage-adjustable power
It is adjusted specifically including:
Described electronic control unit obtains operating condition and the Cumulative Elapsed Time of electromotor, according under described default operating mode
Functional relationship between valve clearance and Cumulative Elapsed Time determines the valve clearance value corresponding to any time, and with default gas
Door gap width compares, however, it is determined that exist between valve clearance value and the described default valve clearance value corresponding to any time
Deviation, then calculate the magnitude of voltage eliminated corresponding to described deviation according to the functional relationship between described voltage and valve clearance, and
Regulate the output voltage of described voltage-adjustable power equal to described magnitude of voltage.
In embodiments of the present invention, described electronic control unit can obtain operating condition and the accumulation of described electromotor
The operation time, and according to functional relationship between valve clearance and Cumulative Elapsed Time under default operating mode and described voltage and valve
Functional relationship between gap, controls the output voltage of described voltage-adjustable power so that described valve clearance and default valve
Gap keeps consistent such that it is able to valve clearance is carried out automatization's regulation.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (11)
1. the push rod of an electromotor, it is characterised in that including:
Piezo-activator, the lower end of described piezo-activator is for being connected with camshaft drive, and upper end is for the galianconism with rocking arm
One end is in transmission connection；
The top and bottom of described piezo-activator electrically connect with voltage-adjustable power respectively；Described piezo-activator is in institute
Elongating or shortening when stating the change in voltage of voltage-adjustable power, band motion rocker arm swings, to be adjusted valve clearance.
Push rod the most according to claim 1, it is characterised in that
Described push rod also includes shaft-like housing and drive disk assembly, and the upper end of described shaft-like housing is open, lower end closed, described pressure
Electric actuator and described drive disk assembly are arranged in described shaft-like housing the most successively, the lower end of described piezo-activator with
The blind end upper surface of described shaft-like housing connects, and upper end is connected with the lower end in contact of described drive disk assembly, described transmission
The upper end of parts is stretched out galianconism one end of described shaft-like hull outside and described rocking arm and is in transmission connection.
Push rod the most according to claim 2, it is characterised in that
Described drive disk assembly includes pressure-bearing body and the supporter being arranged in described shaft-like housing the most successively, described pressure-bearing body
Lower end be connected with the upper-end contact of described piezo-activator, the upper end of described pressure-bearing body, the lower end of described supporter and institute
State shaft-like housing and enclose hydraulic cavities.
4. the valve actuating mechanism of an electromotor, it is characterised in that include valve group and valve transmission group；
Described valve train group includes: rocking arm, camshaft and the push rod as described in any one of claim 1-3, described rocking arm
Galianconism one end is in transmission connection by described push rod with described camshaft, and long-armed one end of described rocking arm is with described valve group activity even
Connect.
Valve actuating mechanism the most according to claim 4, it is characterised in that
Described valve train group also includes that tappet, the lower end of described tappet are connected with described camshaft, upper end and described shaft-like shell
The bottom of the blind end of body connects.
6. an electromotor, it is characterised in that include electronic control unit and the gazogene as described in any one of claim 4-5
Structure；
Described electronic control unit electrically connects with described voltage-adjustable power, for the output voltage to described voltage-adjustable power
It is controlled.
Electromotor the most according to claim 6, it is characterised in that
Described electronic control unit is additionally operable to obtain operating condition and the Cumulative Elapsed Time of described electromotor.
8. the Automatic adjustment method of a valve clearance, it is characterised in that be applied to sending out as described in any one of claim 6-7
Motivation；Including:
Electromotor runs under default operating mode, is entered the output voltage of described voltage-adjustable power by described electronic control unit
Row regulation so that described piezo-activator elongates or shortens vertically, and band motion rocker arm swings, to described valve clearance
It is adjusted.
Automatic adjustment method the most according to claim 8, it is characterised in that
Described electromotor also includes before running under default operating mode:
The default operating mode of simulated engine；
Determine several different time points, in time bringing into operation to each time point, measure corresponding to each time point
Valve clearance, set up the functional relationship between valve clearance and Cumulative Elapsed Time under described default operating mode.
Automatic adjustment method the most according to claim 9, it is characterised in that
Described electromotor also includes before running under default operating mode:
Described electronic control unit controls described voltage-adjustable power some groups of different magnitudes of voltage of output, measures each group respectively
Valve clearance corresponding to magnitude of voltage, obtains the functional relationship between voltage and valve clearance.
11. Automatic adjustment method according to claim 10, it is characterised in that
Described it is adjusted specifically including to the output voltage of described voltage-adjustable power by electronic control unit:
Described electronic control unit obtains operating condition and the Cumulative Elapsed Time of electromotor, according to valve under described default operating mode
Functional relationship between gap and Cumulative Elapsed Time determines the valve clearance value corresponding to any time, and and default valve between
Gap value compares, however, it is determined that exist partially between valve clearance value and the described default valve clearance value corresponding to any time
Difference, then calculate the magnitude of voltage eliminated corresponding to described deviation, and adjust according to the functional relationship between described voltage and valve clearance
Save the output voltage of described voltage-adjustable power equal to described magnitude of voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756473.3A CN106321178B (en) | 2016-08-29 | 2016-08-29 | push rod of engine, engine and automatic adjustment method of valve clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756473.3A CN106321178B (en) | 2016-08-29 | 2016-08-29 | push rod of engine, engine and automatic adjustment method of valve clearance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106321178A true CN106321178A (en) | 2017-01-11 |
| CN106321178B CN106321178B (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610756473.3A Active CN106321178B (en) | 2016-08-29 | 2016-08-29 | push rod of engine, engine and automatic adjustment method of valve clearance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761866A (en) * | 2019-12-25 | 2020-02-07 | 潍柴动力股份有限公司 | Method and system for evaluating valve clearance adjustment period |
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| CN1701163A (en) * | 2002-09-19 | 2005-11-23 | 柴油发动机减震器有限公司 | Lost motion system and method for fixed-time valve actuation |
| CN1802490A (en) * | 2003-03-29 | 2006-07-12 | 液压环有限公司 | Variable valve lift control system for a combustion engine with underneath camshaft |
| JP2010168980A (en) * | 2009-01-22 | 2010-08-05 | Otics Corp | Deactivation device for internal combustion engine |
| CN103953415A (en) * | 2014-04-08 | 2014-07-30 | 天津大学 | Novel piezoelectric stepless variable valve mechanism based on inverse piezoelectric effect |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1701163A (en) * | 2002-09-19 | 2005-11-23 | 柴油发动机减震器有限公司 | Lost motion system and method for fixed-time valve actuation |
| CN1802490A (en) * | 2003-03-29 | 2006-07-12 | 液压环有限公司 | Variable valve lift control system for a combustion engine with underneath camshaft |
| US20050066919A1 (en) * | 2003-09-30 | 2005-03-31 | Shinogle Ronald D. | System and method for actuating an engine valve |
| JP2010168980A (en) * | 2009-01-22 | 2010-08-05 | Otics Corp | Deactivation device for internal combustion engine |
| CN103953415A (en) * | 2014-04-08 | 2014-07-30 | 天津大学 | Novel piezoelectric stepless variable valve mechanism based on inverse piezoelectric effect |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761866A (en) * | 2019-12-25 | 2020-02-07 | 潍柴动力股份有限公司 | Method and system for evaluating valve clearance adjustment period |
| CN110761866B (en) * | 2019-12-25 | 2020-05-01 | 潍柴动力股份有限公司 | Method and system for evaluating valve clearance adjustment period |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106321178B (en) | 2019-12-13 |
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