CN101344023A - Integration type air valve timing continuous regulating mechanism of petrol engine - Google Patents

Integration type air valve timing continuous regulating mechanism of petrol engine Download PDF

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Publication number
CN101344023A
CN101344023A CNA2007100578793A CN200710057879A CN101344023A CN 101344023 A CN101344023 A CN 101344023A CN A2007100578793 A CNA2007100578793 A CN A2007100578793A CN 200710057879 A CN200710057879 A CN 200710057879A CN 101344023 A CN101344023 A CN 101344023A
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CN
China
Prior art keywords
camshaft
cam shaft
annular groove
valve timing
stator
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2007100578793A
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Chinese (zh)
Inventor
张群
谢辉
何邦全
赵华
魏罡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN FAW XIALI AUTOMOBILE CO Ltd
Tianjin University
Original Assignee
TIANJIN FAW XIALI AUTOMOBILE CO Ltd
Tianjin University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TIANJIN FAW XIALI AUTOMOBILE CO Ltd, Tianjin University filed Critical TIANJIN FAW XIALI AUTOMOBILE CO Ltd
Priority to CNA2007100578793A priority Critical patent/CN101344023A/en
Publication of CN101344023A publication Critical patent/CN101344023A/en
Pending legal-status Critical Current

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Abstract

The invention relates to an integrated valve timing continuous adjustment device of a gasoline engine; the adjustment device comprises a circular shell, an internal stator, a forwarding chamber, a blocking chamber, and a series of radial holes, axial holes and grooves which can supply the feeding and discharging of the working fluid; the blocking chamber, a first annular groove of a cam shaft, a first radial hole of the cam shaft, a first axial hole of the cam shaft, a third radial hole of the cam shaft and a fourth annular groove form a channel; the forwarding chamber, a second annular groove of the cam shaft, a second radial hole of the cam shaft, a second axial hole of the cam shaft, a third annular groove of the cam shaft and a fourth radial hole form another channel. The invention is applicable to the small-size compact gasoline engine, and can realize that the angular dependence of a crank shaft and the cam shaft is changed according to the working condition of the engine by the partial improvement of the design of the existing exhaust cam shaft, thus reducing the manufacturing cost of the system.

Description

Integration type air valve timing continuous regulating mechanism of petrol engine
Technical field
The invention belongs to the Valve System of Internal Combustion Engine field, it is according to the angular dependence between engine working conditions change bent axle and the camshaft.
Background technique
Changeable air valve regularly (VVT-Variable Valve Timing) is at traditional fixed valve timing.In conventional fixed valve timing motor, the artificer has at the fuel consume of motor, peak output is traded off between numerous factors such as idle stability and emission performance, so that selected valve timing can satisfy motor requirement under different operating modes simultaneously.To be petrol engine than Efficiency of Diesel Engine low very important reasons exist very high pumping loss when the sub load to petrol engine efficient, by regulating the phase bit timing of intake valve, can make petrol engine that a smaller pumping loss is all arranged under various operating modes, make motor that good power output, the effect that reach energy-conservation, reduces discharging all be arranged under various operating modes.
Variable in order to realize the petrol engine valve timing, need to use the device that can under different operating modes, regulate camshaft phase.The mechanism that is used for regulating valve-control at present mainly contains mechanisms such as mechanical type adjusting, hydraulic type adjusting, electrolyte type adjusting, because electronic control technology is increasingly mature, valve control hydraulic type is regulated the principal mode that also becomes the VVT device.Valve control hydraulic type is to utilize solenoid valve to drive vvt mechanism, and reaching the purpose of control phase, and its price is relatively low.
Summary of the invention
The object of the present invention is to provide a kind of integration type air valve timing continuous regulating mechanism of petrol engine, it is applicable to the small compact petrol engine, only local improvement is done in existing exhaust cam shaft design, can realize therefore having reduced the manufacture cost of this system according to the angular dependence between engine working conditions change bent axle and the camshaft.
The present invention mainly provides a kind of integration type air valve timing continuous regulating mechanism of petrol engine, and this controlling device comprises:
One circular housing comprises a perisporium and a sidewall, and sidewall and perisporium are one, and the other end of perisporium is an opening end; Have on the perisporium from the inwardly outstanding next door of this perisporium, this shell rotates by the moment of torsion that transmits from bent axle; One is arranged in the built-in stator in this shell, comprises with the front end sliding contact in described circular housing next door basic being columniform main body and the outstanding blade of this main body radially outward, and this built-in stator forms one so that can rotate with camshaft; Be formed on the next door of shell and the chamber that advances between the built-in stator vane, provide working fluid so that camshaft relatively rotates with respect to bent axle along direction of advance to this chamber that advances; Be formed on the next door of shell and the retardance chamber between the built-in stator vane, provide working fluid so that camshaft relatively rotates with respect to bent axle along the retardance direction to this retardance chamber; Be positioned at the chamber passage of advancing that is communicated with the advance chamber and second annular groove on the built-in stator cylinder-shaped body; Be positioned at the retardance chamber passage that is communicated with the retardance chamber and first annular groove on the built-in stator cylinder-shaped body; First annular groove that is parallel to each other and second annular groove are formed on camshaft outer surface and built-in stator joint; And be positioned at first annular groove bottom, and first radial hole that axis and camshaft axis intersect vertically, the degree of depth extends to the camshaft axis; Be positioned at second annular groove bottom, second radial hole that axis and camshaft intersect vertically; Be positioned at the camshaft end face, have first axial bore of same axis with camshaft, its degree of depth is installed end to the first radial hole that valve timing is reconciled device from camshaft; Be positioned at the camshaft end face, second axial bore of the axis and the first axial bore parallel axes, its degree of depth is installed end to the second radial hole that valve timing is reconciled device from camshaft; The 3rd annular groove is formed on exhaust cam shaft shaft-cup and camshaft joint camshaft outer surface, and its degree of depth just in time makes it be communicated with second axial bore; The 3rd radial hole is positioned at camshaft outer surface and exhaust cam shaft shaft-cup joint, and the axis and the first axial bore axle intersect vertically, and its degree of depth makes it just be communicated with first axial bore; The 4th radial hole is positioned at the shaft-cup internal surface of exhaust cam shaft shaft-cup and camshaft joint, just in time is communicated with the 3rd annular groove; The Fourth Ring connected in star is formed on the shaft-cup internal surface of exhaust cam shaft shaft-cup and camshaft joint, just in time is communicated with the 3rd radial hole; Camshaft first annular groove, camshaft first radial hole, camshaft first axial bore, camshaft the 3rd radial hole, Fourth Ring connected in star constitute a path; Camshaft second annular groove, camshaft second radial hole, camshaft second axial bore, camshaft the 3rd annular groove, the 4th radial hole constitute the another one path; Be positioned at the sealing baffle of the circular housing perisporium the other end, supported hole that is used for supporting the axial region that loses on the side that is positioned at camshaft and the opening end that has sealed circular housing are arranged;
Above-mentioned circular housing is sealed into clearance seal between built-in stator and the sealing baffle, and making provides good end face lubricating condition in the adjustment process.
Exist the key on certain position keyway and the exhaust cam shaft to cooperate the effect of playing location and driving torque in the above-mentioned built-in stator, be fixed on the exhaust cam shaft by the effect of locking nut screwing.
As a further improvement on the present invention, comprise that also one is used for when engine start between the limit shell and stator locking mechanism in relative rotation, this mechanism comprises: axially be formed on the pin-and-hole in the blade of stator; Be slidably received within the spring bolt in this pin-and-hole; One biasing member, it is contained in the pin-and-hole with spring bolt, is used for compressing spring bolt towards the side wall of outer shell parts; Be formed in the side member locking hole, be used for combining with the front end of spring bolt; And a tripping-gear, comprise that being used for that hydraulic pressure is unclamped in locking is applied to the passage that unclamps on the spring bolt.There is the selflubricating oil ring on the locating stud,, guarantees that spring bolt remains the lubricated of oil in movement process, to reduce resistance to motion by spring bolt lubrication hole oil ring fuel feeding.The spring bolt locked position is in the delay position of intake valve timing, and just the engine start position is regulated intake valve phase and can only be moved to the anticipated future position direction.
Further improve as of the present invention, also comprise two passages that are arranged in the exhaust cam shaft shaft-cup for working fluid inflow/outflow Fourth Ring connected in star or the 4th radial hole, this passage one end links to each other with camshaft, the other end with link to each other with solenoid valve and oil inlet hole; Described solenoid valve is positioned under the oil inlet hole of exhaust cam shaft shaft-cup top.
Description of drawings
Fig. 1 integration type air valve timing continuous regulating mechanism overall structure figure;
Fig. 2 integration type air valve timing continuous regulating mechanism bottom view;
Fig. 3 integration type air valve timing continuous regulating mechanism is along exhaust cam shaft axis normal sectional drawing;
Sectional drawing when Fig. 4 circular housing and built-in stator maximal regulated position;
Sectional drawing during the initial locked position of Fig. 5 circular housing and built-in stator;
The built-in stator outline drawing of Fig. 6;
Fig. 7 sealing baffle;
Fig. 8 spring bolt outline drawing;
The Principles of Regulation figure of Fig. 9 air valve variation actuator;
Figure 10 working liquid body is at the connected graph of axial region;
Among the figure: 1 exhaust cam shaft, 2 locking nuts, 3 admission cam shafts, 4 exhaust cam shaft-cups, 5 exhaust driving gears, 7 air inlet driving gears, 8 camshaft cover oil inlet holes, 9 solenoid valve mounting holes, 10 sealing baffles, 11 exhaust cam shafts, second annular groove, 12 exhaust cam shafts, first annular groove, 13 circular housings, 14 Stamping Steel Ribbon stage clips, 15 Stamping Steel Ribbons, 16 spring bolt biasing springs, 17 spring bolt sleeves, 18 spring bolts, 19 built-in stators, 20, retardance chamber through hole, the 21 chamber through holes that advance, 22 spring bolts unclamp passage, 23 locking holes, 24 regulate locating faces, 25 chambers that advance, 26 spring bolt lubrication holes, 27 positioning pin holes, 28 retardance chambers, 29 keys, 30 oil passage control valves, 31 oil rings, 41 first radial holes, 42 second radial holes, 43 the 3rd radial holes, 44 the 4th radial holes, 45 spring bolt pin-and-holes, 51 first axial bores, 52 second axial bores, 53 bolts, 63 the 3rd annular grooves, 64 Fourth Ring connected in stars, 71 built-in stator vents, 72 sealing baffle vents, 81 seal grooves, 82 positioning splines, 91 solenoid valves
Embodiment:
Below in conjunction with these accompanying drawings a kind of integration type air valve timing continuous regulating mechanism of petrol engine of realizing the present application is described, reference character identical in these accompanying drawings is represented identical parts in institute's drawings attached.
Integration type air valve timing continuous regulating mechanism of petrol engine adopts valve control rotary hydraulic cylinder structure, and its general structure as shown in Figure 1, 2; Circular housing and built-in stator are shown in Fig. 4,5.
With reference to Fig. 1, motor comprises rotating exhaust cam shaft 1, and the cam (not shown) is arranged in the axial middle body on the camshaft 1, is used for opening and closing exhaust valve, the right-hand member of continuous regulating mechanism valve timing in Fig. 1.
Air valve timing continuous regulating mechanism comprises: circular housing 13, and it is driven by the chain (not shown) by the bent axle of motor; One built-in stator 19, it cooperates the effect of playing location and driving torque by the key 29 on a built-in location keyway 82 and the exhaust cam shaft, and the effect that tightened by locking nut 2 is fixed on the exhaust cam shaft 1; And a series of feed flows or apocenosis passage, so that working liquid body can enter from camshaft cover 4 outside according to the requirement of control and outflow is advanced chamber 25 or block chamber 28, so that between circular housing 13 and built-in stator 19, produce relative rotation.
With reference to Fig. 4 and Fig. 5, circular housing comprises: one is roughly columniform main body, it has four and roughly equally spaced is distributed on the perisporium inner periphery, radially inwardly has the next door of trapezoidal cross-section highlightedly, and sidewall is used to be enclosed in the sidepiece of the housing main body on the camshaft side.
Built-in stator comprises: be arranged in the main body of circular housing middle body, its outer surface has four seal grooves 81, and Stamping Steel Ribbon 15 is realized by the compressing of Stamping Steel Ribbon stage clip 14 that is placed in the seal groove 81 with the clearance seal of the front end in next door.
Four blades, they are outstanding from built-in stator body radially outward; Each blade is arranged between the adjacent next door along the circumferencial direction of shell, thereby forms advance chamber 25 and retardance chamber 28 between them; Blade tip has four seal grooves 81, and Stamping Steel Ribbon 15 is realized by the compressing of Stamping Steel Ribbon stage clip 14 that is placed in the seal groove 81 with the clearance seal of circular housing 4 perisporiums.
Four chamber through holes 21 that advance, they are positioned on the center main of built-in stator 19, and make built-in stator 19 and circular housing 13 assemble the back at any one relatively rotation place, and an end of these through holes 21 is communicated with the chamber 25 that advances all the time, and the other end is communicated with second annular groove 11 all the time.
Four retardance chamber through holes 20, they are positioned on the center main of built-in stator 19, and make built-in stator 19 and circular housing 13 assemble the back at any one relatively rotation place, and an end of these through holes 20 is communicated with retardance chamber 28 all the time, and the other end is communicated with first annular groove 12 all the time.
Exist the key 29 on certain position keyway 82 and the exhaust cam shaft to cooperate the effect of playing location and driving torque in the built-in stator 19, the effect that tightened by locking nut 2 is fixed on the exhaust cam shaft 1.
First annular groove 12 that is parallel to each other and second annular groove 11 are formed on camshaft 1 outer surface and built-in stator 19 joints.
Be positioned at first annular groove, 12 bottoms, first radial hole 41 of axis and camshaft 1 intersect vertical axis, the degree of depth extends to camshaft 1 axis.
Be positioned at second annular groove, 11 bottoms, second radial hole 42 that axis and camshaft 1 intersect vertically.
Be positioned at camshaft 1 end face, have first axial bore 51 of same axis with camshaft 1, its degree of depth is installed valve timing from camshaft and is reconciled end to the first radial hole 41, the first axial bores 51 of device and seal by bolt 53.
Be positioned at camshaft 1 end face, second axial bore 52 of axis and first axial bore, 51 parallel axes, end to the second radial hole 42, the second axial bores 52 that its degree of depth is installed valve timing conciliation device from camshaft seal by the steel ball interference fit.
The 3rd annular groove 63 is formed on exhaust cam shaft shaft-cup 4 and camshaft 1 joint camshaft 1 outer surface, and its degree of depth just in time makes it be communicated with second axial bore 52.
The 3rd radial hole 43 is positioned at camshaft 1 outer surface and exhaust cam shaft shaft-cup 4 joints, and axis and 51 of first axial bores intersect vertically, and its degree of depth makes it just be communicated with first axial bore 51.
The 4th radial hole 44 is positioned at shaft-cup 4 internal surfaces of exhaust cam shaft shaft-cup 4 and camshaft 1 joint, just in time is communicated with the 3rd annular groove 63.
Fourth Ring connected in star 64 is formed on shaft-cup 4 internal surfaces of exhaust cam shaft shaft-cup 4 and camshaft 1 joint, just in time is communicated with the 3rd radial hole 43.
With reference to Fig. 1 and Figure 10, camshaft first annular groove 12, camshaft first radial hole 41, camshaft first axial bore 51, camshaft the 3rd radial hole 43, Fourth Ring connected in star 64 constitute a path; Camshaft second annular groove 11, camshaft second radial hole 42, camshaft second axial bore 52, camshaft the 3rd annular groove 63, the 4th radial hole 44 constitute the another one path.
Sealing baffle 10 is positioned at the circular housing 13 perisporium the other ends;
Vent 71,72 lays respectively on the blade and sealing baffle of built-in stator, and when the spring bolt locked position, two vents 71,72 communicate, and guarantees that the spring bolt end is always atmospheric pressure, and during control phase, spring bolt can be opened smoothly.
With reference to Fig. 3, Fig. 4, Fig. 5 and Fig. 8, locking mechanism is set, this mechanism comprises: axially be formed on the spring bolt pin-and-hole 45 in the blade of built-in 19 stators;
Be slidably received within the spring bolt 18 in this pin-and-hole;
Prevent the spring bolt sleeve 17 that spring bolt 18 skids off from the spring bolt pin-and-hole;
Biasing spring 16, it is contained in the spring bolt pin-and-hole 45 with spring bolt, is used for compressing spring bolt towards circular housing 13 side member;
Be formed on the locking hole 23 in circular housing 13 side member, be used for combining with the front end of spring bolt 18; And
Be used for that the spring bolt that hydraulic pressure is applied on the spring bolt 18 is unclamped in locking and unclamp passage 22;
The spring bolt lubrication hole 26 that is communicated with retardance chamber 28 and spring bolt pin-and-hole 45;
There is selflubricating oil ring 31 on the spring bolt 18,, keeps spring bolt in movement process, to remain the lubricated of oil, to reduce resistance to motion by spring bolt lubrication hole 26 oil rings 31 fuel feeding.
Below in conjunction with Fig. 7 the operation of present embodiment is described
During engine start, along with built-in stator 19 turns to most advanced with respect to circular housing 13, locking mechanism is these two parts mechanical interlockings, thereby the moment of torsion of bent axle is all passed to exhaust cam shaft 1.
Then, after engine start, solenoid valve 91 flows into retardance chamber 28 at last by being built in passage in the exhaust cam shaft shaft-cup successively to Fourth Ring connected in star 64, camshaft the 3rd radial hole 43, camshaft first axial bore, camshaft first annular groove 12, retardance chamber through hole 20; Advance working fluid in the chamber 25 successively by the chamber through hole that advances, camshaft second annular groove 11, camshaft second axial bore 52, camshaft the 3rd annular groove 63, hole 44, the 4th footpath, the fuel outlet that constitutes a path and solenoid valve 92 links to each other, and is therefore locked in positioning pin hole 27 and all the time built-in stator 19 is fixed on the initial position in conjunction with the hydraulic coupling that the braking oil pressure chamber provides by spring bolt 18.Therefore, intake valve has fixing opening and closing phase place all the time during engine start.
During control phase, working fluid at first is fed in the chamber 25 of advancing and unclamps passage 22 fuel feeding to spring bolt simultaneously, pushes back spring bolt 18 in the spring bolt sleeve 17 under the effect of oil pressure and discharges built-in stator 19.The feed path of working fluid is connected with the chamber 25 that advances, and to this chamber fuel feeding, the current return circuit of working fluid is connected with retardance chamber 28.Because there are fixing drive connection in built-in stator 19 and bent axle, under the effect of advance chamber and retardance chamber pressure difference, circular housing 13 rotates with respect to built-in stator 19, relatively rotate thereby drive air inlet driving gear 7, thereby change the admission cam shaft phase place by exhaust driving gear 5.When oppositely regulating, the flow direction of working fluid is opposite with above-mentioned direction, and the intake valve phase angle is regulated in the other direction.By the direction of oil passage control valve 30 controls, can control two locating faces 24 of this changeable air valve timing device and in 50 degree angle ranges, regulate continuously for draining.When engine start, intake valve phase is in delay position, and when rotating speed increased, intake valve began to regulate toward direction in advance.

Claims (8)

1, integration type air valve timing continuous regulating mechanism of petrol engine by changing with respect to the bent axle of petrol engine and the rotatable phase of camshaft, changes the intake valve or the exhaust valve timing that are actuated to open and close by camshaft, and this controlling device comprises:
One circular housing comprises a perisporium and a sidewall, and sidewall and perisporium are one, and the other end of perisporium is an opening end; Have on the perisporium from the inwardly outstanding next door of this perisporium, this shell rotates by the moment of torsion that transmits from bent axle;
One is arranged in the built-in stator in this shell, comprises with the front end sliding contact in described circular housing next door basic being columniform main body and the outstanding blade of this main body radially outward, and this built-in stator forms one so that can rotate with camshaft;
Be formed on the next door of shell and the chamber that advances between the built-in stator vane, provide working fluid so that camshaft relatively rotates with respect to bent axle along direction of advance to this chamber that advances;
Be formed on the next door of shell and the retardance chamber between the built-in stator vane, provide working fluid so that camshaft relatively rotates with respect to bent axle along the retardance direction to this retardance chamber;
Be positioned at the chamber passage of advancing that is communicated with the advance chamber and second annular groove on the built-in stator cylinder-shaped body;
Be positioned at the retardance chamber passage that is communicated with the retardance chamber and first annular groove on the built-in stator cylinder-shaped body;
First annular groove that is parallel to each other and second annular groove are formed on camshaft outer surface and built-in stator joint; And
Be positioned at first annular groove bottom, first radial hole that axis and camshaft axis intersect vertically, the degree of depth extends to the camshaft axis;
Be positioned at second annular groove bottom, second radial hole that axis and camshaft intersect vertically;
Be positioned at the camshaft end face, have first axial bore of same axis with camshaft, its degree of depth is installed end to the first radial hole that valve timing is reconciled device from camshaft;
Be positioned at the camshaft end face, second axial bore of the axis and the first axial bore parallel axes, its degree of depth is installed end to the second radial hole that valve timing is reconciled device from camshaft;
The 3rd annular groove is formed on exhaust cam shaft shaft-cup and camshaft joint camshaft outer surface, and its degree of depth just in time makes it be communicated with second axial bore;
The 3rd radial hole is positioned at camshaft outer surface and exhaust cam shaft shaft-cup joint, and the axis and the first axial bore axle intersect vertically, and its degree of depth makes it just be communicated with first axial bore;
The 4th radial hole is positioned at the shaft-cup internal surface of exhaust cam shaft shaft-cup and camshaft joint, just in time is communicated with the 3rd annular groove;
The Fourth Ring connected in star is formed on the shaft-cup internal surface of exhaust cam shaft shaft-cup and camshaft joint, just in time is communicated with the 3rd radial hole;
Camshaft first annular groove, camshaft first radial hole, camshaft first axial bore, camshaft the 3rd radial hole, Fourth Ring connected in star constitute a path;
Camshaft second annular groove, camshaft second radial hole, camshaft second axial bore, camshaft the 3rd annular groove, the 4th radial hole constitute the another one path;
Be positioned at the sealing baffle of the circular housing perisporium the other end, supported hole that is used for supporting the axial region that loses on the side that is positioned at camshaft and the opening end that has sealed circular housing are arranged.
2. integration type air valve timing continuous regulating mechanism of petrol engine according to claim 1 is characterized in that, comprises that also one is used for when engine start between the limit shell and stator locking mechanism in relative rotation, and this mechanism comprises:
Axially be formed on the pin-and-hole in the blade of stator;
Be slidably received within the spring bolt in this pin-and-hole;
One biasing member, it is contained in the pin-and-hole with spring bolt, is used for compressing spring bolt towards the side wall of outer shell parts;
Be formed on the locking hole in the side member, be used for combining with the front end of spring bolt; And
One tripping-gear comprises that being used for that hydraulic pressure is unclamped in locking is applied to the passage that unclamps on the spring bolt;
There is the selflubricating oil ring on the spring bolt,, keeps spring bolt in movement process, to remain the lubricated of oil, to reduce resistance to motion by spring bolt lubrication hole oil ring fuel feeding.
3. integration type air valve timing continuous regulating mechanism of petrol engine according to claim 1, it is characterized in that, all there is vent on built-in stator and the sealing baffle, and when the spring bolt locked position, two vents communicate, guarantee that the spring bolt end is always atmospheric pressure, during control phase, spring bolt can be opened smoothly.
4. petrol engine integrated form changeable air valve timing device according to claim 1 is characterized in that: circular housing, be sealed into clearance seal between built-in stator and the sealing baffle, and making provides good end face lubricating condition in the adjustment process.
5, petrol engine integrated form changeable air valve timing device according to claim 1, it is characterized in that: have certain position keyway in the described built-in stator, cooperate the effect of playing location and driving torque with the key on the exhaust cam shaft, be fixed on the exhaust cam shaft by the effect of locking nut screwing.
6, petrol engine integrated form changeable air valve timing device according to claim 1 is characterized in that: the spring bolt locked position is in the delay position of intake valve timing, and just the engine start position is regulated intake valve phase and can only be moved to the anticipated future position direction.
7, according to any one described petrol engine integrated form changeable air valve timing device in the claim 1 to 6, it is characterized in that: also comprise two passages that are arranged in the exhaust cam shaft shaft-cup for working fluid inflow/outflow Fourth Ring connected in star and the 4th radial hole, this passage one end links to each other with camshaft, the other end with link to each other with solenoid valve and oil inlet hole.
8, petrol engine integrated form changeable air valve timing device according to claim 7, it is characterized in that: described solenoid valve is positioned under the oil inlet hole of exhaust cam shaft shaft-cup top.
CNA2007100578793A 2007-07-10 2007-07-10 Integration type air valve timing continuous regulating mechanism of petrol engine Pending CN101344023A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2007100578793A CN101344023A (en) 2007-07-10 2007-07-10 Integration type air valve timing continuous regulating mechanism of petrol engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2007100578793A CN101344023A (en) 2007-07-10 2007-07-10 Integration type air valve timing continuous regulating mechanism of petrol engine

Publications (1)

Publication Number Publication Date
CN101344023A true CN101344023A (en) 2009-01-14

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Application Number Title Priority Date Filing Date
CNA2007100578793A Pending CN101344023A (en) 2007-07-10 2007-07-10 Integration type air valve timing continuous regulating mechanism of petrol engine

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109070740A (en) * 2016-02-18 2018-12-21 双环公司 Integrated multiposition forcedlubricating system
CN109899126A (en) * 2017-12-11 2019-06-18 宝沃汽车(中国)有限公司 A kind of engine and vehicle
CN110374689A (en) * 2018-04-12 2019-10-25 中国航发商用航空发动机有限责任公司 Pressurized strut, the regulating mechanism of adjustable stator blade and aero-engine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109070740A (en) * 2016-02-18 2018-12-21 双环公司 Integrated multiposition forcedlubricating system
CN109070740B (en) * 2016-02-18 2021-08-27 双环公司 Integrated multi-position forced lubrication system
CN109899126A (en) * 2017-12-11 2019-06-18 宝沃汽车(中国)有限公司 A kind of engine and vehicle
CN110374689A (en) * 2018-04-12 2019-10-25 中国航发商用航空发动机有限责任公司 Pressurized strut, the regulating mechanism of adjustable stator blade and aero-engine
CN110374689B (en) * 2018-04-12 2022-03-11 中国航发商用航空发动机有限责任公司 Actuating cylinder, adjusting mechanism capable of adjusting stator blade and aircraft engine

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Open date: 20090114