CN107762585A - integrated variable valve timing system device - Google Patents
integrated variable valve timing system device Download PDFInfo
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- CN107762585A CN107762585A CN201711141757.2A CN201711141757A CN107762585A CN 107762585 A CN107762585 A CN 107762585A CN 201711141757 A CN201711141757 A CN 201711141757A CN 107762585 A CN107762585 A CN 107762585A
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- Prior art keywords
- oil
- hole
- valve
- system device
- timing system
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- RDYMFSUJUZBWLH-UHFFFAOYSA-N endosulfan Chemical compound C12COS(=O)OCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl RDYMFSUJUZBWLH-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003921 oil Substances 0.000 claims description 91
- 229910052710 silicon Inorganic materials 0.000 claims description 22
- 239000010703 silicon Substances 0.000 claims description 21
- 229910052796 boron Inorganic materials 0.000 claims description 16
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 15
- QQHSIRTYSFLSRM-UHFFFAOYSA-N alumanylidynechromium Chemical compound [Al].[Cr] QQHSIRTYSFLSRM-UHFFFAOYSA-N 0.000 claims description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 4
- 239000010721 machine oil Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 2
- 238000012937 correction Methods 0.000 claims description 2
- -1 rotor and stator Chemical compound 0.000 claims description 2
- 239000010729 system oil Substances 0.000 claims description 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims 1
- 230000004044 response Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 18
- 229910052786 argon Inorganic materials 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 7
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007733 ion plating Methods 0.000 description 2
- 238000010884 ion-beam technique Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002912 waste gas 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
- F01L1/34—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
- F01L1/3442—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 hydraulic chambers with variable volume to transmit the rotating force
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 present invention relates to a kind of integrated variable valve timing system device, belong to the technical field of automobile VVT systems.The integrated variable valve timing system device of the present invention, OCV Oil Control Valve is wholely set in exhaust cam phaser and air inlet phase device, uniform intervals are placed with several oil pressure arms on the outside of rotor, oil circuit hole is equipped with positioned at the both sides of oil pressure arm, oil circuit hole is connected with the unlatching oil hole and reset oil hole of OCV Oil Control Valve respectively, mounting hole is provided with the middle part of rotor, in mounting hole, the outside of OCV Oil Control Valve is provided with several unlatching oil holes and resets oil hole OCV Oil Control Valve；Described device can solve the problem that the technical problem that prior art construction split settings, space-consuming are big, response speed is slow, behavior in service is poor.The device of the present invention has the characteristics of compact-sized, assembling is simple, Jing Yin operating.
Description
Technical field
The present invention relates to the technical field of automobile VVT systems, it is more particularly related to a kind of integrated variable gas
Door timing system device.
Background technology
VVT (VVT systems) is under specific engine operating condition, by controlling IO Intake Valve Opens angle
In advance and postpone the size to adjust intake and exhaust amount and moment and change valve overlap, to realize increase charge and effect
Rate, intake swirl is preferably organized, adjust cylinder-firing pressure and residual waste gas quantity, to obtain engine power, moment of torsion, row
Put, fuel economy, the improvement of the combination property such as comfortableness, so as to solve the properties of the fixed port timing engine of tradition
The technical contradiction mutually restricted between index.VVT is typically made up of phaser and OCV Oil Control Valve, and machine
Oil control valve is mainly used in the accurate control of the flow of oil, could so realize the accurate control of engine cam phase, in order to
Ensure the performance of OCV Oil Control Valve, it will usually hardened and moistened in the reversing bar of OCV Oil Control Valve and the inside of valve body
Sliding processing, to prevent wear particle especially metal or metallic particles enter in electromagnetic driver from causing control stability and essence
Degree is deteriorated.
In the prior art, the phaser of common VVT device and OCV Oil Control Valve are split type knot
Structure, also need to set control oil circuit to be attached both between OCV Oil Control Valve and phaser, the sky that not only overall structure takes
Between big, and this split type structure, cause oil pressure transmission to need the time, the response speed of phaser is slow, and existing phase
In device there is larger noise in rotor at work with stator.
The content of the invention
In order to solve above-mentioned technical problem of the prior art, it is an object of the invention to provide integrated variable valve just
When system and device.
Integrated variable valve timing system device, including phaser and OCV Oil Control Valve, it is characterised in that：The phase
Device includes rotor and stator, is evenly spaced apart to be provided with multiple sealing convex walls on the inner side of the stator, in the stator, rotor
Between adjacent sealing convex wall between form an oil pressure chamber, and be evenly spaced apart to be provided with the outside of the rotor multiple
Oil pressure arm, the oil pressure arm are separated into two parts, the oil pressure between two adjacent sealing convex walls and by oil pressure chamber
The both sides of arm are equipped with oil circuit hole, the connection corresponding with the unlatching oil hole and reset oil hole of OCV Oil Control Valve respectively of oil circuit hole；
Mounting hole is provided with the middle part of described rotor, OCV Oil Control Valve is bolted in the mounting hole.
Wherein, the OCV Oil Control Valve, including valve body, valve seat, valve pocket and reversing bar；The valve body have oil inlet end and
Oil-out end；External screw thread is provided with the side wall of the oil inlet end, unlatching oil duct is provided with the side wall at the oil-out end
Hole and reset oil hole；The valve seat and valve pocket are arranged in the inner chamber of the valve body, and the valve seat is located at the oil-feed
Mouthful end is provided with and the unlatching oil hole and reset nearby and with the through hole communicated with the oil inlet end on the valve pocket
The interior oilhole that oil hole is engaged, spin body is provided between the valve pocket and the valve seat, is set in the inner chamber of the valve pocket
Have and can be provided with the reversing bar between the wall of the valve pocket inner chamber along the reversing bar of the axial movement of the valve pocket
The bulge loop being slidably matched, low-friction coefficient film layer is provided with the bulge loop.
Wherein, the low-friction coefficient film layer is the boron doped carbonitride of silicium film layer that thickness is 2.0~10 μm.The boron
With the silicon of XPS measuring in the carbonitride of silicium film layer of doping：Nitrogen：Carbon：The mol ratio of boron is 100:85~120:12~35:5~12.
Wherein, coating thickness is that 0.10~1.0 μm of chromium aluminium silicon is beaten between the bulge loop and the low-friction coefficient film layer
Bottom.In the chromium aluminium silicon prime coat, the content of chromium is 10~25at%, and the content of silicon is 15~35at%, and surplus is aluminium.
Wherein, the both sides of the oil pressure arm of the rotor are provided with dashpot, and the sealing convex wall side is accordingly provided with
The buffering being engaged with the dashpot is raised.
The VVT device of the present invention has the advantages that：
1. OCV Oil Control Valve is wholely set with phaser, structure is more compact, and applicable vehicle is wider, greatly saves hair
Motivation installing space, while its response speed is faster, work is more accurate.
2. rotor is formed in one with oil pressure arm, machining accuracy is higher, can avoid error existing for split assembling, without
Exterior sealing mechanism, improve work accuracy and service life；And buffer structure is provided between rotor and stator, eliminate
Noise.
3. OCV Oil Control Valve has excellent wearability and frictional behaviour, there is good military service stability and durability.
Brief description of the drawings
Fig. 1 is the half section structure diagram of the phaser in the integrated variable valve timing system device of the present invention.
Fig. 2 is the overall structure diagram of the phaser in the integrated variable valve timing system device of the present invention.
Fig. 3 is the half-sectional structural representation of the OCV Oil Control Valve in the integrated variable valve timing system device of the present invention
Figure.
Fig. 4 is the external structure signal of the OCV Oil Control Valve in the integrated variable valve timing system device of the present invention
Figure.
Fig. 5 is the schematic diagram of the integrated variable valve timing system device of the present invention.
Implication in figure represented by each reference is respectively：10- OCV Oil Control Valves, 11- valve bodies, 12- valve seats, 13- valves
Set, 15- external screw threads, 16- unlatching oil holes, 17- reset oil holes, 18- spin bodies, 19- reversing bars, 20- phasers, 21- turn
Son, 22- stators, 23- sealing convex walls, 24- oil pressure chambers, 25- oil pressure arms, 26- oil circuits hole, 27- mounting holes, 28- dashpots, 29-
Buffering is raised.
Embodiment
VVT device of the present invention is further elaborated below with reference to specific embodiment,
To help those skilled in the art to have more complete, accurate and deep understanding to inventive concept of the invention, technical scheme.
The integrated variable valve timing system device of the present invention include phaser 20 as shown in Figure 1-2 and as Fig. 3-
OCV Oil Control Valve 10 shown in 4.As shown in Figure 1-2, the phaser 20 includes rotor 21 and stator 22, the stator 22 it is interior
It is evenly spaced apart to be provided with multiple sealing convex walls 23, the adjacent sealing convex wall 23 between the stator 22, rotor 21 on side
Between form an oil pressure chamber 24, and be evenly spaced apart to be provided with multiple oil pressure arms 25, the oil pressure on the outside of the rotor
Arm 25 is separated into two parts, the both sides of the oil pressure arm 25 between two adjacent sealing convex walls 23 and by oil pressure chamber 24
It is equipped with oil circuit hole 26, oil circuit hole 26 is respectively with the unlatching oil hole 16 of OCV Oil Control Valve 10 and resetting that oil hole 17 is corresponding to be connected
Connect；Mounting hole 27 is provided with the middle part of described rotor, the external screw thread 15 of OCV Oil Control Valve 10 is bolted in the mounting hole 27；It is described
The both sides of the oil pressure arm of rotor are provided with dashpot 28, and the sealing convex wall side is accordingly provided with and the phase of dashpot 28
The buffering projection 29 of cooperation.As shown in accompanying drawing 3-4, OCV Oil Control Valve 10 of the invention includes valve body 11, valve seat 12 and valve pocket 13.
The valve body 11 has oil inlet end and oil-out end；External screw thread 15 is provided with the side wall of the oil inlet end, it is described fuel-displaced
It is provided with the side wall at mouth end and opens oil hole 16 and reset oil hole 17.The valve seat 12 and valve pocket 13 are arranged on the valve body
In 11 inner chamber, and the valve seat 12 is located at the oil inlet end nearby and has the through hole communicated with the oil inlet end,
Be provided with the valve pocket 13 with the unlatching oil hole and the interior oilhole that is engaged of reset oil hole, the valve pocket 13 with it is described
Spin body 18 is provided between valve seat 12, being provided with the inner chamber of the valve pocket 13 can be along the axial movement of the valve pocket
Reversing bar 19, is provided with the bulge loop being slidably matched between the wall of the valve pocket inner chamber on the reversing bar 19, on the bulge loop
It is provided with low-friction coefficient film layer.The aperture of the interior oilhole can be controlled by the movement of bulge loop, and then machine oil can be controlled
Flow to the oil circuit hole of phaser.
As shown in figure 5, electronic controller ECU collections engine speed, engine load, CMPS Camshaft Position Sensor, song
The signal of shaft position sensor and cooling-water temperature sensor, and the output duty cycle for determining OCV Oil Control Valve is calculated, drive system oil
Machine oil in road extrudes rotor and drives camshaft to rotate, and camshaft shifted to an earlier date relative to crank phase, lagged or keeps not
Become, realize timing.Specifically, the electronic controller ECU obtains basic dutycycle by engine speed and water temperature, by cam
The difference of axle target phase (being determined by engine speed and engine load) and camshaft actual phase is obtained to basic duty
The correction value of ratio, it is then determined that the output duty cycle of OCV Oil Control Valve.
In the present invention, the reversing bar of the OCV Oil Control Valve is made up of aluminium alloy, such as can use 6000 series
Aluminum-silicon-magnesium aluminium alloy.In order to ensure being slidably matched for control accuracy and bulge loop, the surface of the bulge loop is finished, and
And coating low-friction coefficient film layer.Because the thermal coefficient of expansion between the bulge loop and low-friction coefficient film layer of aluminium alloy mismatches,
Coating forms chromium aluminium silicon prime coat first on the bulge loop of aluminium alloy, to improve the combination between low-friction coefficient film layer and bulge loop
Intensity.Before chromium aluminium silicon prime coat is coated, alkali cleaning is carried out to remove the oxygen on surface to reversing bar especially bulge loop part first
Change aluminium film, rinsed and dried with water after alkali cleaning.Then, reversing bar is positioned in PVD filming equipments, coated on bulge loop surface
Chromium aluminium silicon prime coat, the thickness of chromium aluminium silicon prime coat are 0.10~1.0 μm, preferably 0.20~0.50 μm, chromium aluminium silicon prime coat
In, the content of chromium is 10~25at%, and the content of silicon is 15~35at%, and surplus is aluminium.It can be used in chromium aluminium silicon prime coat normal
The PVD film plating process such as the evaporations of rule, sputtering, ion plating, it is preferred to use ion plating, the changing as plated film object in coating
- 300~-600V bias is applied with to bar.In the present invention, the low-friction coefficient film layer is that thickness is 2.0~10 μm
The boron doped carbonitride of silicium film layer of (be preferably 2.5~8.0 μm), with XPS measuring in the boron doped carbonitride of silicium film layer
Silicon：Nitrogen：Carbon：The mol ratio of boron is 100:85~120:12~35:5~12.The boron doped carbonitride of silicium film layer be with
SiH4、N2、C2H2、B2H6As supply gas, the film layer can be prepared by plasma reinforced chemical vapour deposition method,
Coating temperature is 300~400 DEG C.As exemplary, coated first in ion beam coating equipment on the bulge loop surface of reversing bar
Chromium aluminium silicon prime coat, the background vacuum in ion beam coating equipment are 5 × 10-3Pa, 10~50sccm argon gas is then passed to, and
The DC voltage for applying 300~500V carries out pre-sputtering to remove the oxide-film on the bulge loop surface of reversing bar to produce argon plasma
Layer.50~100sccm argon gas is then introduced into, and the DC voltage for applying 400V sets chromium aluminium silicon to produce argon plasma
The ionization voltage of composition target is 80V, and chromium aluminium silicon prime coat is coated on the bulge loop surface of reversing bar.Beaten using the chromium aluminium silicon of the present invention
Good matching is shown between bottom and reversing bar and boron doped carbonitride of silicium film layer, especially after heat treatment
Good bond strength can be obtained.Boron doped carbonitride of silicium film layer is being provided with the plasma of remote plasma generator
Coat and obtain in enhancing chemical vapor deposition unit, the frequency of the radio-frequency power supply used is 13.56MHz, power 1000W.Will
Be plated with chromium aluminium silicon prime coat reversing bar be put into the plating membrane cavity of precipitation equipment after be evacuated to 10-5Pa, then pass to 50~
100sccm argon gas, and the DC voltage for applying 400V carries out pre-sputtering 5 minutes to produce argon plasma.Then pass to argon gas
And reacting gas, the wherein flow of argon gas is 50~100sccm, SiH4Flow be 50~200sccm, N2Flow be 50
~100sccm, C2H2Flow be 12~25sccm, B2H6Flow be 3~10sccm, plated film room pressure is 0.5~
2.5Pa, depositing temperature are 350 DEG C, and the bias applied to reversing bar is -400V；Annealing heat is carried out after deposition in argon gas atmosphere
Processing, heat treatment temperature are 400 DEG C, and the time is 30 minutes.By adjusting the flow of each precursor, and the parameter such as coating time can
To control the thickness of the mol ratio of Si, N, C and B in film layer and film layer.The low-friction coefficient film layer that the present invention uses passes through
Appropriate boron atom is adulterated, the roughness of film surface can be significantly reduced, improves wearability, nor influence film layer and workpiece
Between bond strength, and be free of metallic element component in the low-friction coefficient film layer of the present invention, wear particle enters oily
In also will not be to OCV Oil Control Valve control produce significantly affect.In the present invention, when the boron atom content of doping exceedes the upper limit
When, not only to reduce film layer roughness without benefit, but also the bond strength between reversing bar bulge loop can be influenceed, so as to table
Reveal the wearability of difference.And the wearability gone on business equally is showed when the boron atom of doping is less than lower limit.Table 1 shows different thickness
The embodiment and comparative example of degree and composition (by x-ray photoelectron power spectrum XPS analysis).
Table 1
Hardness (the tapered diamond penetrator of Berkovitch types) is tested using Nano Test 600 and coefficient of friction (is rubbed
It is stainless steel ball that radius is 5 μm to wipe object, load 8mN, gliding cable structure 100nm/s), survey with reference to GB/T1031-2009
The surface roughness Ra of film layer is measured, with reference to the bond strength of German engineer handbook (VDI3198) plunging measurement film layer, reference
Standard DIN EN 1071-6：2006-01 measures the wearability of film layer, and its result is as shown in tables 2 and 3.
Table 2
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | |
| Hardness (GPa) | 15.5 | 15.1 | 15.3 | 15.3 | 15.8 | 16.8 |
| Friction coefficient μ | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.05 |
| Roughness Ra (μm) | 0.035 | 0.038 | 0.025 | 0.025 | 0.032 | 0.042 |
| Bond strength | HF1 | HF1 | HF1 | HF1 | HF1 | HF1 |
| Wear extent (m3m-1N-110-15) | 0.5 | 0.5 | 0.3 | 0.3 | 0.5 | 0.6 |
Table 3
| Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 | Comparative example 6 | |
| Hardness (GPa) | 15.8 | 13.2 | 15.7 | 15.8 | 16.2 | 13.6 |
| Friction coefficient μ | 0.04 | 0.08 | 0.04 | 0.04 | 0.06 | 0.06 |
| Roughness Ra (μm) | 0.032 | 0.075 | 0.030 | 0.033 | 0.072 | 0.065 |
| Bond strength | HF4 | HF4 | HF2-3 | HF2-3 | HF1 | HF2-3 |
| Wear extent (m3m-1N-110-15) | Peel off | Peel off | More than 5 | More than 10 | More than 5 | More than 10 |
For the ordinary skill in the art, simply the present invention is exemplarily described for specific embodiment,
Obviously present invention specific implementation is not subject to the restrictions described above, and is entered as long as employing the inventive concept and technical scheme of the present invention
The improvement of capable various unsubstantialities, or it is not improved by the present invention design and technical scheme directly apply to other occasions
, within protection scope of the present invention.
Claims (10)
1. integrated variable valve timing system device, including phaser and OCV Oil Control Valve, it is characterised in that：The phaser
Including rotor and stator, be evenly spaced apart to be provided with multiple sealing convex walls on the inner side of the stator, the stator, rotor it
Between adjacent sealing convex wall between form an oil pressure chamber, and be evenly spaced apart to be provided with multiple oil on the outside of the rotor
Pressure arm, the oil pressure arm are separated into two parts, the oil pressure arm between two adjacent sealing convex walls and by oil pressure chamber
Both sides be equipped with oil circuit hole, oil circuit hole is respectively with the unlatching oil hole of OCV Oil Control Valve and resetting that oil hole is corresponding to be connected；Institute
Mounting hole is provided with the middle part of the rotor stated, OCV Oil Control Valve is bolted in the mounting hole.
2. integrated variable valve timing system device according to claim 1, it is characterised in that：The OCV Oil Control Valve
Including valve body, valve seat, valve pocket and reversing bar；The valve body has oil inlet end and oil-out end；The side wall of the oil inlet end
On be provided with external screw thread, be provided with the side wall at the oil-out end open oil hole and reset oil hole；The valve seat and valve
It is set in the inner chamber of the valve body, and the valve seat is located at the oil inlet end nearby and had and the oil inlet end
The through hole communicated, is provided with the valve pocket and the interior oilhole opened oil hole and reset oil hole and be engaged, the valve
Spin body is provided between set and the valve seat, being provided with the inner chamber of the valve pocket can be along the axial movement of the valve pocket
Reversing bar, be provided with the bulge loop being slidably matched between the wall of the valve pocket inner chamber on the reversing bar, set on the bulge loop
It is equipped with low-friction coefficient film layer.
3. integrated variable valve timing system device according to claim 1, it is characterised in that：Electronic controller ECU
Gather the letter of engine speed, engine load, CMPS Camshaft Position Sensor, crankshaft position sensor and cooling-water temperature sensor
Number, and the output duty cycle for determining OCV Oil Control Valve is calculated, the machine oil extruding rotor in drive system oil circuit simultaneously drives camshaft
Rotation, makes camshaft shift to an earlier date relative to crank phase, lag or keeps constant, realize timing.
4. integrated variable valve timing system device according to claim 3, it is characterised in that：The electronic controller
ECU obtains basic dutycycle by engine speed and water temperature, is obtained by the difference of camshaft target phase and camshaft actual phase
To the correction value to basic dutycycle, it is then determined that the output duty cycle of OCV Oil Control Valve.
5. integrated variable valve timing system device according to claim 5, it is characterised in that：The camshaft target
Phase is determined by engine speed and engine load.
6. integrated variable valve timing system device according to claim 2, it is characterised in that：The low-friction coefficient
Film layer is the boron doped carbonitride of silicium film layer that thickness is 2.0~10 μm.
7. integrated variable valve timing system device according to claim 6, it is characterised in that：The boron doped carbon
With the silicon of XPS measuring in silicon nitride film layer：Nitrogen：Carbon：The mol ratio of boron is 100:85~120:12~35:5~12.
8. integrated variable valve timing system device according to claim 5, it is characterised in that：The bulge loop with it is described
Coating thickness is 0.10~1.0 μm of chromium aluminium silicon prime coat between low-friction coefficient film layer.
9. integrated variable valve timing system device according to claim 8, it is characterised in that：The chromium aluminium silicon bottoming
In layer, the content of chromium is 10~25at%, and the content of silicon is 15~35at%, and surplus is aluminium.
10. integrated variable valve timing system device according to claim 1, it is characterised in that：The oil of the rotor
The both sides of pressure arm are provided with dashpot, and it is convex that the sealing convex wall side is accordingly provided with the buffering being engaged with the dashpot
Rise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711141757.2A CN107762585B (en) | 2017-11-17 | 2017-11-17 | Integrated variable valve timing system device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711141757.2A CN107762585B (en) | 2017-11-17 | 2017-11-17 | Integrated variable valve timing system device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107762585A true CN107762585A (en) | 2018-03-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253276A (en) * | 2019-07-22 | 2021-01-22 | 句容嘉晟汽车配件有限公司 | Phaser in VVT system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1339742A (en) * | 1970-03-19 | 1973-12-05 | Dunlop Holdings Ltd | Friction materials |
| CN103470325A (en) * | 2013-09-24 | 2013-12-25 | 东风汽车公司 | Hydraulic VVT (Variable Valve Timing) phase control method |
| CN104696038A (en) * | 2015-01-22 | 2015-06-10 | 台州德尔福汽车部件有限公司 | Oil duct structure of VVT (variable valve timing) system |
| CN104812997A (en) * | 2012-11-28 | 2015-07-29 | 舍弗勒技术股份两合公司 | Camshaft adjusting device and central valve for a camshaft adjusting device |
| CN104989478A (en) * | 2015-07-30 | 2015-10-21 | 绵阳富临精工机械股份有限公司 | A mid-set VVT engine oil control valve |
| CN105019961A (en) * | 2015-07-30 | 2015-11-04 | 绵阳富临精工机械股份有限公司 | Middle VVT engine oil control valve used for engine |
| CN106150587A (en) * | 2016-08-29 | 2016-11-23 | 台州德尔福汽车部件有限公司 | A kind of middle variable valve timing apparatus and electromotor |
| CN106762003A (en) * | 2017-03-27 | 2017-05-31 | 江苏海龙电器有限公司 | For the electromagnetic hydraulic valve of camshaft phase regulation |
| CN207583452U (en) * | 2017-11-17 | 2018-07-06 | 浙江富杰德汽车系统有限公司 | integrated variable valve timing system device |
-
2017
- 2017-11-17 CN CN201711141757.2A patent/CN107762585B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1339742A (en) * | 1970-03-19 | 1973-12-05 | Dunlop Holdings Ltd | Friction materials |
| CN104812997A (en) * | 2012-11-28 | 2015-07-29 | 舍弗勒技术股份两合公司 | Camshaft adjusting device and central valve for a camshaft adjusting device |
| CN103470325A (en) * | 2013-09-24 | 2013-12-25 | 东风汽车公司 | Hydraulic VVT (Variable Valve Timing) phase control method |
| CN104696038A (en) * | 2015-01-22 | 2015-06-10 | 台州德尔福汽车部件有限公司 | Oil duct structure of VVT (variable valve timing) system |
| CN104989478A (en) * | 2015-07-30 | 2015-10-21 | 绵阳富临精工机械股份有限公司 | A mid-set VVT engine oil control valve |
| CN105019961A (en) * | 2015-07-30 | 2015-11-04 | 绵阳富临精工机械股份有限公司 | Middle VVT engine oil control valve used for engine |
| CN106150587A (en) * | 2016-08-29 | 2016-11-23 | 台州德尔福汽车部件有限公司 | A kind of middle variable valve timing apparatus and electromotor |
| CN106762003A (en) * | 2017-03-27 | 2017-05-31 | 江苏海龙电器有限公司 | For the electromagnetic hydraulic valve of camshaft phase regulation |
| CN207583452U (en) * | 2017-11-17 | 2018-07-06 | 浙江富杰德汽车系统有限公司 | integrated variable valve timing system device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253276A (en) * | 2019-07-22 | 2021-01-22 | 句容嘉晟汽车配件有限公司 | Phaser in VVT system |
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