CN101956584B - Driving oil way of variable valve mechanism with VVT and VVL system - Google Patents
Driving oil way of variable valve mechanism with VVT and VVL system Download PDFInfo
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- CN101956584B CN101956584B CN201010510490.1A CN201010510490A CN101956584B CN 101956584 B CN101956584 B CN 101956584B CN 201010510490 A CN201010510490 A CN 201010510490A CN 101956584 B CN101956584 B CN 101956584B
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- 239000003921 oil Substances 0.000 claims abstract description 308
- 239000010687 lubricating oil Substances 0.000 claims abstract description 12
- 239000010721 machine oil Substances 0.000 claims description 38
- 239000000446 fuel Substances 0.000 claims description 36
- 239000010729 system oil Substances 0.000 claims description 23
- 238000004891 communication Methods 0.000 claims description 8
- 239000010705 motor oil Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 11
- 238000007599 discharging Methods 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Valve Device For Special Equipments (AREA)
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Abstract
The invention relates to a driving oil way of a variable valve mechanism with VVT and VVL system. The driving oil way comprises a VVT oil way, a cam shaft journal lubricating oil way, a hydraulic clearance adjuster oil way, a VVL system control oil way and one-way valves (6), wherein the VVT oil way is arranged in the middle of a cylinder cover; the cam shaft journal lubricating oil way is arranged on the two sides of the cylinder cover; the VVL system control oil way is integrated in the hydraulic clearance adjuster oil way; and a plurality of one-way valves (6) are arranged between a VVT oil way inlet (4) on the oil way of the cylinder cover and an engine oil control valve OCV (11) of the VVT system, and opened when the VVT system works normally and closed when an engine is stopped or idles.
Description
Technical field
The invention belongs to technical field of engines, be specifically related to a kind of driving oil circuit that has simultaneously the variable valve actuator for air of VVT and VVL technology.
Background technique
Along with the development of automotive industry, more and more higher to the requirement of performance, oil consumption and the discharging of motor, the changeable air valve technology has become one of beautiful property key technology of measured engine performance.Variable valve actuator for air has changed valve timing in conventional engines, the changeless state of valve lift, best valve timing, valve lift is provided in the engine operating condition scope, solve preferably the contradiction of power character and Economy under high rotating speed and the slow-speed of revolution, large load and little load, improved simultaneously toxic emission.
The valve mechanism of Electromagnetic Drive can and carry out instantaneous any control valve timing to valve lift, but also just is in conceptual phase at present, and the difficult problem of its cost, NVH, reliability and durability aspect also needs to capture for a long time.On conventional cam drives valve mechanism basis, exploitation is become one of focus that each large automobile vendor captures by the hydraulically powered variable valve actuator for air that has simultaneously VVT and VVL technology.Now, Variable Valve Time (Variable Valve Timing, VVT) technology is widely used, but limited is gone back in the application of lift range variable (Variable Valve Lift, VVL) technology.The two-stage variable valve lift makes its object that becomes each manufacturer's preferential development and use, and has a small amount of product to criticize product because its realization is simple with respect to continuously variable valve lift.
Along with the popularization that Dual Over Head Camshaft is used, (HLA: hydraulic lash adjuster+RFF: the finger-type roller rocker arms) distribution device of form due to the superiority of himself, more and more is applied to high-end motor to TYPE2, and becomes gradually main flow.But the two-stage variable air valve lift range mechanism under this form not yet has batch product that produces at present.
Summary of the invention
The object of the present invention is to provide a kind of driving oil circuit that has simultaneously the variable valve actuator for air of VVT and VVL technology, it is applied in the distribution device of TYPE2 form, realized the continuous variable of valve timing by the hydraulic driving phase discriminator, realized the two-stage variable of valve lift by hydraulic driving two-stage hydraulic lash adjuster or two-stage finger-type roller rocker arms, thereby further improve performance, the reduction oil consumption of motor, improve toxic emission.
For achieving the above object, the present invention has adopted following technological scheme: a kind of driving oil circuit that has simultaneously the variable valve actuator for air of VVT and VVL technology, machine oil enters the cylinder cap main oil gallery from the cylinder body main oil gallery, is diverted to VVT oil circuit, camshaft bearing journal lubricating oil path, hydraulic lash adjuster oil circuit and VVL oil circuit control.
Described VVL oil circuit control is integrated on air inlet fluid pressure governor oil circuit.
Described cylinder body main oil gallery is arranged in the air inlet side.
Described VVT oil circuit directly enters camshaft clutch shaft bearing lid in the middle of cylinder cap, realized the shortest of oil circuit and simplified most.In the VVT oil circuit, one-way valve is installed, its mounting point is between VVT oil circuit entrance and the VVT OCV of system, and the quantity of one-way valve is identical with the quantity of phase discriminator.
As shown from the above technical solution, in the present invention, the VVL oil circuit control is integrated in the air inlet hydraulic lash adjuster has in the road, has simplified the oil channel structures of VVL system.Simultaneously, the cylinder body main oil gallery is arranged in the air inlet side, meet the large requirement of air inlet side oil consumption, has shortened the length of VVL system oil circuit control, has improved control rate and the precision of VVL system.
The VVT system oil-way directly enters camshaft clutch shaft bearing lid in the middle of the cylinder cap, VVT oil circuit shorten length, and reduced the break-in of oil circuit.Make the crushing of system reduce, response improves, and has optimized the performance of VVT system.
One-way valve is arranged between VVT oil circuit entrance and the VVT OCV of system, and when engine shutdown or idling, closed check valve makes the machine oil in the later oil circuit of one-way valve to be retained in oil duct.Thereby machine oil filling time and machine oil loading when shortening lower task in the one-way valve rear oil duct.So just, shortened the response time of working first after VVT shutdown or idling, the probability that when also having reduced engine start, the hydraulic tappet abnormal sound occurs.
Concrete technological scheme is as follows:
a kind of driving oil circuit with variable valve actuator for air of VVT and VVL system, comprise the VVT oil circuit, the camshaft bearing journal lubricating oil path, the hydraulic lash adjuster oil circuit, VVL system oil circuit control and one-way valve, described VVT oil cake arrange is in the middle of cylinder cap, described camshaft bearing journal lubricating oil path is arranged in cylinder cap both sides, described VVL system oil circuit control is integrated in the hydraulic lash adjuster oil circuit, described one-way valve is a plurality of, be installed between the OCV Oil Control Valve OCV of the system of VVT oil circuit entrance and VVT on the oil circuit of cylinder cap, it is opened when the normal operation of VVT system, close when engine shutdown or idling.
Further, described camshaft bearing journal lubricating oil path comprises camshaft bearing journal fuel feeding oil duct and exhaust cam shaft neck fuel feeding oil duct, and camshaft bearing journal fuel feeding oil duct and exhaust cam shaft neck fuel feeding oil duct are arranged in cylinder cap both sides.
Further, described hydraulic lash adjuster oil circuit comprises exhaust hydraulic lash adjuster oil circuit and air inlet hydraulic lash adjuster oil circuit, and described VVL system oil circuit control is integrated in air inlet hydraulic lash adjuster oil circuit.
Further, described camshaft bearing journal lubricating oil path connects described hydraulic lash adjuster oil circuit, and to its fuel feeding, and described hydraulic lash adjuster oil circuit connects described VVL system oil circuit control, and to its fuel feeding.
Further, described VVL system oil circuit control comprises the OCV Oil Control Valve OCV of VVL system's oil circuit control entrance and VVL system, and the machine oil that the OCV Oil Control Valve OCV of this VVL system controls this oil circuit entrance flows into air inlet hydraulic lash adjuster oil circuit or VVL system's draining hole.
Further, also comprise the cylinder body main oil gallery, cylinder cap main oil gallery, described cylinder body main oil gallery connect the cylinder cap main oil gallery and to its fuel feeding, described cylinder cap main oil gallery connects respectively intake cam shaft neck fuel feeding oil duct, VVT oil circuit entrance, exhaust cam shaft neck fuel feeding oil duct.
Further, described intake cam shaft neck fuel feeding oil duct connects described exhaust hydraulic lash adjuster oil circuit and VVL system oil circuit control entrance, described VVL system oil circuit control entrance connects air inlet hydraulic lash adjuster oil circuit or VVL system's draining hole, and the OCV Oil Control Valve OCV of VVL system controls the flow direction of VVL system oil circuit control entrance.
Further, the OCV Oil Control Valve OCV of described VVL system controls the flow direction of VVL system oil circuit control entrance and is specially:
Guarantee that air inlet hydraulic lash adjuster oil circuit reaches the required oil pressure of hydraulic lash adjuster normal operation when VVL system draining, and do not reach the VVL system and switch required oil pressure;
Control the machine oil inflow air inlet hydraulic lash adjuster oil circuit of VVL system's oil circuit control ingress as the VVL OCV of system, high pressure oil in air inlet hydraulic lash adjuster oil circuit orders about the COMM communication motion in two-stage hydraulic lash adjuster or two-stage finger-type roller rocker arms, realizes the switching from low lift to high lift;
Control machine oil inflow VVL system's draining hole of VVL system's oil circuit control ingress as the VVL OCV of system, oil pressure in air inlet hydraulic lash adjuster oil circuit only can be kept the hydraulic lash adjuster normal operation, COMM communication in two-stage hydraulic lash adjuster or two-stage finger-type roller rocker arms is got back to initial position, realizes the switching from high lift to low lift.
Further, also comprise phase discriminator oil inlet hole/spill port, phase discriminator spill port/oil inlet hole and VVT system's draining hole, VVT oil circuit entrance is by described one-way valve junctor oil control valve OCV, described OCV Oil Control Valve OCV connects the loop that is made of phase discriminator oil inlet hole/spill port and phase discriminator spill port/oil inlet hole, machine oil drives phase discriminator work herein, and is connected to VVT system's draining hole and oil sump.
Further, the cylinder cap main oil gallery is arranged in the air inlet side.
Compare the present invention with present prior art: oil enters the cylinder cap main oil gallery from the cylinder body main oil gallery, is diverted to VVT oil circuit, camshaft bearing journal lubricating oil path, hydraulic lash adjuster oil circuit and VVL oil circuit control.The VVL oil circuit control is integrated in the air inlet hydraulic lash adjuster to be had in the road, has simplified the oil channel structures of VVL system.Simultaneously, the cylinder body main oil gallery is arranged in the air inlet side, meet the large requirement of air inlet side oil consumption, has shortened the length of VVL system oil circuit control, has improved control rate and the precision of VVL system.The VVT oil cake arrange is in the middle of cylinder cap, and hydraulic tappet oil circuit and camshaft oil cake arrange have been realized the shortest of VVT oil circuit and simplified most in the cylinder cap both sides.
Two one-way valves are installed on the oil circuit of cylinder cap, and the oil consumption of VVT when having reduced engine start, thereby the machine oil filling time when having reduced VVT work have improved the speed of response of VVT system.Make simultaneously machine oil to arrive quickly in hydraulic tappet, reduced the startup noise of motor.
Description of drawings
Fig. 1 is oil circuit schematic diagram of the present invention;
Embodiment
The below describes the present invention with reference to the accompanying drawings, and it is a kind of preferred embodiment in numerous embodiments of the present invention.
As shown in Figure 1 and Figure 2, a kind of driving oil circuit that has simultaneously the variable valve actuator for air of VVT and VVL technology, machine oil flow to cylinder cap main oil gallery 2 places via cylinder body main oil gallery 1, then flows into respectively intake cam shaft neck fuel feeding oil duct 5, VVT oil circuit entrance 4, exhaust cam shaft neck fuel feeding oil duct 7.The machine oil that intake cam shaft neck fuel feeding oil duct is 5 li further flows into exhaust hydraulic lash adjuster oil circuit 12 with VVL system oil circuit control entrance 13.VVT oil circuit entrance 4 is arranged in the middle of cylinder cap, and one-way valve 6 is installed in the VVT oil circuit, and its mounting point is between VVT oil circuit entrance 4 and the VVT OCV11 of system, and the quantity of one-way valve 6 is identical with phase discriminator quantity.
The machine oil at described VVL system's oil circuit control entrance 13 places, controlling it through the VVL OCV14 of system is to flow into air inlet hydraulic lash adjuster oil circuit 15 or flow into VVL system's draining hole 16.The OCV14 of VVL system guarantees that air inlet hydraulic lash adjuster oil circuit 15 can reach the required oil pressure of hydraulic lash adjuster normal operation when VVL system draining, can not reach again the VVL system and switch required oil pressure.When the machine oil of controlling VVL system's oil circuit control entrance 13 places as the VVL OCV14 of system flows into air inlet hydraulic lash adjuster oil circuit 15, high pressure oil in air inlet hydraulic lash adjuster oil circuit 15 will order about the COMM communication motion in two-stage hydraulic lash adjuster or two-stage finger-type roller rocker arms, thereby realize the switching from low lift to high lift; When the machine oil of controlling VVL system's oil circuit control entrance 13 places as the VVL OCV14 of system flows into VVL system's draining hole 16, oil pressure in air inlet hydraulic lash adjuster oil circuit 15 only can be kept the hydraulic lash adjuster normal operation, COMM communication in two-stage hydraulic lash adjuster or two-stage finger-type roller rocker arms will be got back to initial position, realize the switching from high lift to low lift.
The present embodiment does not relate to the inside concrete structure of two-stage hydraulic lash adjuster or two-stage finger-type roller rocker arms only for the oil circuit control of VVL system, does not relate to the inner concrete structure of the VVL OCV14 of system yet.
The machine oil at described VVT oil circuit entrance 4 places, the annular that flows into the VVT OCV11 of system via one-way valve 6 enters oilhole, and by the loop that is comprised of oil inlet and oil return hole I8 and oil inlet and oil return hole II9, the work of driving phase discriminator finally flows into draining hole 10, gets back in oil sump.
in sum, VVT oil circuit entrance 4 is arranged in the middle of cylinder cap, intake cam shaft neck fuel feeding oil duct 5 and exhaust cam shaft neck fuel feeding oil duct 7 are arranged in cylinder cap both sides, cylinder cap main oil gallery 1 is arranged in the air inlet side, air inlet hydraulic lash adjuster oil circuit 15 is connected with intake cam shaft neck fuel feeding oil duct 5 with exhaust hydraulic lash adjuster oil circuit 12, such oil cake arrange is more reasonable, lubricated and the hydraulic lash adjuster work demand of oil that has satisfied each axle journal of camshaft, integrated VVL system oil circuit control in air inlet hydraulic lash adjuster oil circuit simultaneously, the oil circuit control of VVL system does not need independent setting, be simplified, the VVL system responses is rapid, accurately.The VVT system oil-way has obtained maximum optimization, and the oil circuit break-in is minimum, and it is the shortest that machine oil enters the distance of phase discriminator.So just, accelerated the oil-filled speed of phase discriminator, phase discriminator entrance oil pressure is minimum with respect to the pressure drop of main oil gallery oil pressure, has improved speed of response and the working stability of phase discriminator.Thereby, engine mildness, performance, oil consumption and discharging more easily reach the theory target requirement.
Particularly when engine shutdown or idling, one-way valve 6 is closed, and makes the machine oil in the later oil circuit of one-way valve 6 to be retained in oil duct.Thereby machine oil filling time and machine oil loading when shortening lower task in one-way valve 6 rear oil ducts.Coordinate the VVT system oil-way after optimizing, shortened the response time of working first after VVT shutdown or idling, the probability that when also having reduced engine start, the hydraulic tappet abnormal sound occurs.
When the present embodiment is applied to V-type motor, its to engine performance, oil consumption and discharging to improve effect more obvious.
As the preferred version of the present embodiment, the oilhole that needs in whole oil circuit to seal adopts steel ball sealing, is convenient to save cost, enhances productivity.Do not get rid of simultaneously and use plug or other structures to seal.
As the preferred version of the present embodiment, for the motor of timing chain transmission, adopt seal ring to seal between the VVT OCV11 of system and timing front cover.
As the preferred version of the present embodiment, described one-way valve 6 adopts interference to pack in the oil duct of the VVT oil circuit entrance 4 on cylinder cap.The interference assembly technology is simple, and efficiency of assembling is high and connect reliable.
further, a kind of driving oil circuit that has simultaneously the variable valve actuator for air of VVT and VVL technology, has cylinder body main oil gallery 1, cylinder cap main oil gallery 2, auxiliary hole oil circuit 3, VVT oil circuit entrance 4, intake cam shaft neck fuel feeding oil duct 5, machine oil is by one-way valve 6, exhaust cam shaft neck fuel feeding oil duct 7, phase discriminator oil inlet and oil return hole I8, phase discriminator oil inlet and oil return hole II9, VVT system draining hole 10, the OCV11 of VVT system, exhaust hydraulic lash adjuster oil circuit 12, VVL system oil circuit control entrance (13), the OCV14 of VVL system, air inlet hydraulic lash adjuster oil circuit 15, VVL system draining hole 16.
Machine oil flow to cylinder cap main oil gallery 2 places via cylinder body main oil gallery 1, then flows into respectively intake cam shaft neck fuel feeding oil duct 5, VVT oil circuit entrance 4, exhaust cam shaft neck fuel feeding oil duct 7.
The machine oil that intake cam shaft neck fuel feeding oil duct is 5 li further flows into exhaust hydraulic lash adjuster oil circuit 12 and VVL system oil circuit control entrance 13.The machine oil at VVL system oil circuit control entrance 13 places is controlled it through the VVL OCV14 of system and is flowed into air inlet hydraulic lash adjuster oil circuit 15 or VVL system's draining hole 16.
The machine oil at VVT oil circuit entrance 4 places enters oilhole by the annular that one-way valve 6 enters the VVT OCV11 of system, by the loop that is formed by phase discriminator oil inlet and oil return hole I8 and phase discriminator oil inlet and oil return hole II9, driving phase discriminator work finally flows into VVT system's draining hole 10, gets back in oil sump.
VVT oil circuit entrance 4 is arranged in the middle of cylinder cap, and the VVT OCV11 of system is arranged on the cylinder cap front-end face.
Intake cam shaft neck fuel feeding oil duct 5 is arranged in from cylinder body main oil gallery 1 more nearby.
One-way valve 6 is installed in the VVT oil circuit, and its mounting point is between VVT oil circuit entrance 4 and the VVT OCV11 of system.
Adopt the VVL OCV14 of system of end face oil-feed, control mode is that switch is controlled.
Adopt the VVT OCV11 of system of medial side face oil-feed, control mode is that PID controls.
For the motor of timing chain transmission, adopt seal ring to seal between the VVT OCV11 of system and timing front cover.
Exhaust cam shaft neck fuel feeding oil duct 7 is arranged in from cylinder body main oil gallery 1 at a distance.
Inlet and outlet VVT oil circuit all is equipped with respectively one-way valve 6, and its number is identical with phase discriminator quantity.
One-way valve 6 adopts interference to be mounted with VVT oil circuit entrance 4.
Auxiliary hole oil circuit 3 adopts plug or steel ball to seal.
Machine oil flow to cylinder cap main oil gallery place via the cylinder body main oil gallery, then flows into respectively intake cam shaft neck fuel feeding oil duct, VVT oil circuit entrance, exhaust cam shaft neck fuel feeding oil duct.Machine oil in intake cam shaft neck fuel feeding oil duct further flows into exhaust hydraulic lash adjuster oil circuit with VVL system oil circuit control entrance.VVT oil circuit entrance is arranged in the middle of cylinder cap, in the VVT oil circuit, one-way valve is installed, and its mounting point is between VVT oil circuit entrance and the VVT OCV of system, and the quantity of one-way valve is identical with phase discriminator quantity.The machine oil of VVL system oil circuit control ingress, controlling it through the VVL OCV of system is to flow into air inlet hydraulic lash adjuster oil circuit or flow into VVL system's draining hole.The OCV of VVL system guarantees that air inlet hydraulic lash adjuster oil circuit can reach the required oil pressure of hydraulic lash adjuster normal operation when VVL system draining, can not reach again the VVL system and switch required oil pressure.When the machine oil of controlling VVL system's oil circuit control ingress as the VVL OCV of system flows into air inlet hydraulic lash adjuster oil circuit, high pressure oil in air inlet hydraulic lash adjuster oil circuit will order about the COMM communication motion in two-stage hydraulic lash adjuster or two-stage finger-type roller rocker arms, thereby realize the switching from low lift to high lift; When the machine oil of controlling VVL system's oil circuit control ingress as the VVL OCV of system flows into VVL system's draining hole, oil pressure in air inlet hydraulic lash adjuster oil circuit only can be kept the hydraulic lash adjuster normal operation, COMM communication in two-stage hydraulic lash adjuster or two-stage finger-type roller rocker arms will be got back to initial position, realize the switching from high lift to low lift.The machine oil of VVT oil circuit ingress, the annular that flows into the VVT OCV of system via one-way valve enters oilhole, and by the loop that is comprised of oil inlet and oil return hole I and oil inlet and oil return hole II, the work of driving phase discriminator finally flows into the draining hole, gets back in oil sump.
The present embodiment is applied in the distribution device of TYPE2 form, realized the continuous variable of valve timing by the hydraulic driving phase discriminator, realized the two-stage variable of valve lift by hydraulic driving two-stage hydraulic lash adjuster or two-stage finger-type roller rocker arms, thereby further improve performance, the reduction oil consumption of motor, improve toxic emission.
Two one-way valves are installed on the oil circuit of cylinder cap, and the mounting point is between VVT oil circuit entrance and the VVT OCV of system, and is and nearer apart from the VVT OCV of system.This one-way valve is opened when VVT works, but closes when engine shutdown or idling.In the time of can making engine shutdown or idling like this, the machine oil that is arranged in the oil circuit after one-way valve in the VVT oil circuit still is retained in oil circuit and oil pocket, thereby the machine oil filling time when having reduced task under VVT has been improved the speed of response of VVT system.The oil consumption of VVT when having reduced simultaneously engine start makes machine oil to arrive quickly in hydraulic tappet, has reduced the startup noise of motor.
The above is exemplarily described the present invention by reference to the accompanying drawings; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as the various improvement of having adopted method design of the present invention and technological scheme to carry out; or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (9)
1. driving oil circuit with variable valve actuator for air of VVT and VVL system, it is characterized in that, comprise the VVT oil circuit, the camshaft bearing journal lubricating oil path, the hydraulic lash adjuster oil circuit, VVL system oil circuit control and one-way valve (6), described VVT oil cake arrange is in the middle of cylinder cap, described camshaft bearing journal lubricating oil path is arranged in cylinder cap both sides, described VVL system oil circuit control is integrated in the hydraulic lash adjuster oil circuit, described one-way valve (6) is a plurality of, be installed between the OCV Oil Control Valve OCV (11) of the system of VVT oil circuit entrance (4) and VVT on the oil circuit of cylinder cap, it is opened when the normal operation of VVT system, close when engine shutdown or idling.
2. the driving oil circuit with variable valve actuator for air of VVT and VVL system as claimed in claim 1, it is characterized in that, described camshaft bearing journal lubricating oil path comprises camshaft bearing journal fuel feeding oil duct (5) and exhaust cam shaft neck fuel feeding oil duct (7), and camshaft bearing journal fuel feeding oil duct (5) and exhaust cam shaft neck fuel feeding oil duct (7) are arranged in cylinder cap both sides.
3. the driving oil circuit with variable valve actuator for air of VVT and VVL system as claimed in claim 1 or 2, it is characterized in that, described hydraulic lash adjuster oil circuit comprises exhaust hydraulic lash adjuster oil circuit (12) and air inlet hydraulic lash adjuster oil circuit (15), and described VVL system oil circuit control is integrated in air inlet hydraulic lash adjuster oil circuit (15).
4. the driving oil circuit with variable valve actuator for air of VVT and VVL system as claimed in claim 3, it is characterized in that, described camshaft bearing journal lubricating oil path connects described hydraulic lash adjuster oil circuit, and to its fuel feeding, the described VVL of described hydraulic lash adjuster oil circuit connection system oil circuit control, and to its fuel feeding.
5. the driving oil circuit with variable valve actuator for air of VVT and VVL system as claimed in claim 4, it is characterized in that, described VVL system oil circuit control comprises the OCV Oil Control Valve OCV (14) of VVL system's oil circuit control entrance (13) and VVL system, and the machine oil that the OCV Oil Control Valve OCV (14) of this VVL system controls this oil circuit entrance flows into air inlet hydraulic lash adjuster oil circuit or VVL system's draining hole.
6. the driving oil circuit with variable valve actuator for air of VVT and VVL system as claimed in claim 5, it is characterized in that, also comprise cylinder body main oil gallery (1), cylinder cap main oil gallery (2), described cylinder body main oil gallery (1) connects cylinder cap main oil gallery (2) and to its fuel feeding, described cylinder cap main oil gallery (2) connects respectively intake cam shaft neck fuel feeding oil duct (5), VVT oil circuit entrance (4), exhaust cam shaft neck fuel feeding oil duct (7).
7. the driving oil circuit with variable valve actuator for air of VVT and VVL system as claimed in claim 6, it is characterized in that, described intake cam shaft neck fuel feeding oil duct (5) connects described exhaust hydraulic lash adjuster oil circuit (12) and VVL system's oil circuit control entrance (13), described VVL system's oil circuit control entrance (13) connects air inlet hydraulic lash adjuster oil circuit (15) or VVL system's draining hole (16), and the OCV Oil Control Valve OCV (14) of VVL system controls the flow direction of VVL system's oil circuit control entrance (13).
8. the driving oil circuit with variable valve actuator for air of VVT and VVL system as claimed in claim 7, is characterized in that, the OCV Oil Control Valve OCV (14) of described VVL system controls the flow direction of VVL system's oil circuit control entrance (13) and is specially:
Guarantee that air inlet hydraulic lash adjuster oil circuit (15) reaches the required oil pressure of hydraulic lash adjuster normal operation when VVL system draining, and do not reach the VVL system and switch required oil pressure;
When the VVL OCV of system (14) controls the machine oil inflow air inlet hydraulic lash adjuster oil circuit (15) that VVL system's oil circuit control entrance (13) is located, high pressure oil in air inlet hydraulic lash adjuster oil circuit (15) orders about the COMM communication motion in two-stage hydraulic lash adjuster or two-stage finger-type roller rocker arms, realizes the switching from low lift to high lift; When the VVL OCV of system (14) controls machine oil inflow VVL system's draining hole (16) that VVL system's oil circuit control entrance (13) is located, oil pressure in air inlet hydraulic lash adjuster oil circuit (15) only can be kept the hydraulic lash adjuster normal operation, COMM communication in two-stage hydraulic lash adjuster or two-stage finger-type roller rocker arms is got back to initial position, realizes the switching from high lift to low lift.
9. the driving oil circuit with variable valve actuator for air of VVT and VVL system as claimed in claim 8, it is characterized in that, also comprise phase discriminator oil inlet and oil return hole I (8), phase discriminator oil inlet and oil return hole II (9) and VVT system's draining hole (10), VVT oil circuit entrance (4) is by described one-way valve (6) junctor oil control valve OCV (11), described OCV Oil Control Valve OCV (11) connects the loop that is made of phase discriminator oil inlet and oil return hole I (8) and phase discriminator oil inlet and oil return hole II (9), OCV Oil Control Valve OCV (11) outlet machine oil drives phase discriminator work, and OCV Oil Control Valve OCV (11) outlet is connected to VVT system's draining hole (10) and oil sump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010510490.1A CN101956584B (en) | 2010-10-15 | 2010-10-15 | Driving oil way of variable valve mechanism with VVT and VVL system |
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| CN201010510490.1A CN101956584B (en) | 2010-10-15 | 2010-10-15 | Driving oil way of variable valve mechanism with VVT and VVL system |
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| CN101956584A CN101956584A (en) | 2011-01-26 |
| CN101956584B true CN101956584B (en) | 2013-06-12 |
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| CN106837588B (en) * | 2017-04-20 | 2019-01-22 | 重庆长安汽车股份有限公司 | A kind of oil channel structures of cylinder head assembly |
| CN111271148A (en) * | 2020-01-19 | 2020-06-12 | 东风汽车集团有限公司 | Oil duct structure of continuous variable valve driving mechanism and engine cylinder head assembly |
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| CN101457663A (en) * | 2007-12-14 | 2009-06-17 | 现代自动车株式会社 | Oil supply structure for continuous variable valve timing apparatus and cylinder head employing the same |
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| CN101956584A (en) | 2011-01-26 |
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