CN201756045U - Electronically controlled multistage transverse stabilizer device with adjustable rigidity - Google Patents

Electronically controlled multistage transverse stabilizer device with adjustable rigidity Download PDF

Info

Publication number
CN201756045U
CN201756045U CN2010202626182U CN201020262618U CN201756045U CN 201756045 U CN201756045 U CN 201756045U CN 2010202626182 U CN2010202626182 U CN 2010202626182U CN 201020262618 U CN201020262618 U CN 201020262618U CN 201756045 U CN201756045 U CN 201756045U
Authority
CN
China
Prior art keywords
sleeve
half bar
splines
multistage
stabilizer
Prior art date
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.)
Expired - Fee Related
Application number
CN2010202626182U
Other languages
Chinese (zh)
Inventor
卫镱周
陈辛波
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.)
Tongji University
Original Assignee
Tongji 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 Tongji University filed Critical Tongji University
Priority to CN2010202626182U priority Critical patent/CN201756045U/en
Application granted granted Critical
Publication of CN201756045U publication Critical patent/CN201756045U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Vehicle Body Suspensions (AREA)

Abstract

The utility model discloses an electronically controlled multistage transverse stabilizer device with adjustable rigidity, which comprises a transverse stabilizer, auxiliary mechanisms of the stabilizer, an electronic control unit, and a signal acquisition system and an executing mechanism of the electronic control unit. The transverse stabilizer is composed of a left stabilizer half rod and a right stabilizer half rod which are meshed with each other through splines, and fixed in axial and opposite positions by the auxiliary mechanisms, a sleeve is sleeved outside the left stabilizer half rod and the right stabilizer half rod, the left stabilizer half rod is meshed with the sleeve provided with stepped inner splines through stepped outer splines, the right stabilizer half rod is meshed with the sleeve through large-diameter outer splines, the sleeve is capable of sliding along the splines relative to the left stabilizer half rod and the right stabilizer half rod, the electronic control unit sends corresponding control signals to the executing mechanism according to vehicle velocity, turning angle, load condition and the like, and the executing mechanism drives the sleeve to slide side to side so as to realize multistage adjustable rigidity, thereby improving stability and smoothness of vehicles. The multistage transverse stabilizer device has the advantages that transverse stabilizer rigidity is conveniently adjusted according to actual situations, stability and smoothness of the vehicles can be improved, and the device is simple in system structure and easy to implement.

Description

Electronically controlled multistage stiffness-adjustable lateral stability lever apparatus
Technical field
The utility model relates to a kind of automobile-used stabilizing device, particularly a kind of electronically controlled multistage stiffness-adjustable lateral stability lever apparatus.
Background technology
Panhard rod is when being used in motor turning and travelling with uneven road surface, suppresses the excessive inclination of vehicle body, to guarantee the stability and the ride comfort of running car.In the prior art, the automobile Panhard rod is fixing rigidity, can not satisfy automobile rigidity requirement to stabilizer rod when the different loading conditions and the different turning speed of a motor vehicle, thereby can not satisfy the requirement of user to running car stability and ride comfort simultaneously.Chinese patent 2885633Y discloses " a kind of electronically controlled grade becomes the rigidity transverse arresting apparatus ", it is outside equipped with secondary, about three grades at Panhard rod and stablizes half bar, it passes through the spline sliding engaged with stabilizer rod respectively under the compressing of secondary, three grades of electromagnetic valves, thereby can come control electromagnetic valve, thereby obtain the different stabilizer rod rigidity of level Four by the signal that electronic control unit is sent according to the driving situation.The deficiency of its existence is: at first have assembly problem, according to patent description, stablize half bar about two or three grades and can't be sleeved on outside the U-shaped stabilizer rod that comprises left and right sides transverse arm; Secondly, the electromagnetic valve position is indeterminate with concrete executive mode; Once more, this patent structure complexity, four of needs are assisted and are stablized half bar, and are not easy to practical application.In addition, Chinese patent 201227950Y discloses " a kind of electronically controlled change rigidity Panhard rod ", its two ends that are arranged in parallel outside Panhard rod has screw rod and a smooth guide rod of direction opposite threads, they under the booster action of two pipe links by spline and stabilizer rod sliding engaged, by electronic control unit controls motor forward or reverse, and then the access length of adjusting screw(rod) and guide rod, regulate stabilizer rod rigidity with this.But this patent scheme also has obvious weak point: at first, the rigidity of rod member depends on the rigidity of descending the rigidity cross section most, and the rigidity of the screw rod-guide rod that inserts in this patent-pipe link system is far longer than the stable outside section rigidity that does not insert part, so this patent scheme is in fact very limited to the rigidity regulating action; Secondly, also there is the similar assembly problem with patent 2885633Y in this patent scheme; Once more, auxiliary mechanism's complexity of this patent scheme, it is big to take up room, and is not easy to car load layout in the practical application.
The utility model content
Technical problem to be solved in the utility model be to provide a kind of simple in structure, be easy to control, can realize the adjustable electronically controlled multistage stiffness-adjustable lateral stability lever apparatus of stabilizer rod rigidity grade.
In order to solve above technical matters, the utility model provides following technical scheme:
A kind of electronically controlled multistage stiffness-adjustable lateral stability lever apparatus comprises Panhard rod and subsidiary thereof, ECU (Electrical Control Unit) and signal pickup assembly thereof and actuating unit, described Panhard rod by a left side stablize half bar, half bar is stablized on the right side and sleeve is formed; A described left side is stablized half bar right-hand member and is provided with stair-stepping multistage male splines, the left end that half bar is stablized on the right side is provided with minor radius female splines and long radius male splines, left and right half bar of stablizing is with sleeve outward, the left end of this sleeve is provided with stepped multistage female splines, right-hand member is provided with the long radius female splines, half bar is stablized by the long radius spline engagement in the sleeve and the right side, stablizes half bar by stepped multistage spline engagement with a left side; Wherein left engagement successively of stablizing the stepped multistage inside and outside spline between half bar and the sleeve has realized the grade rigidity adjusting of Panhard rod; Described Panhard rod is provided with parallel with it smooth guide rod and screwed swing arm, and left flange, sleeve flange and right flange, and, the auxiliary mechanism that is made up of guide rod, swing arm, left flange, sleeve flange and right flange stablizes half bar, the right side with a left side and stablizes half bar and quill shaft to stationkeeping, and can rotate relatively between this auxiliary mechanism and the Panhard rod; Described actuating unit is subjected to the control of electronic control unit ECU, drives the relative Panhard rod of sleeve and moves to left or move to right, and realizes that multistage rigidity is adjustable.Described electronic control unit ECU is connected with the sensor of the collection vehicle speed of a motor vehicle, turning and load-carrying signal.
Described stabilizer rod lateral part diameter of section is greater than vertical transverse arm partial cross section diameter, and the joint portion is by excessively extending to the major diameter cross section vertical transverse arm part gently.
Described actuating unit is motor and worm-and-wheel gear, or the hydraulic gear of being made up of Hydraulic Pump, electromagnetic valve, hydraulic actuating cylinder.
The external diameter of described sleeve is not below or equal to a left side and stablizes three grades of diameter of section D of half bar 31.2 times.
The multistage male splines that half bar right-hand member is stablized on a described left side is provided with three effective drifts, is the effective drift l of one-level male splines 1, secondary male splines effective length l 2, three grades of male splines effective length l 3, wherein the pass of three effective lengths is l 2>2*l 3, l 1>l 2+ l 3Three grades of female splines G of the right-hand member of sleeve and the right length long enough of stablizing three grades of male splines I of half bar.
Three grades of female splines G of the right-hand member of described sleeve are l with the right optimum length of stablizing three grades of male splines I of half bar 1
The principle of the multistage stiffness-adjustable Panhard rod of the utility model rigidity is: electronic control unit ECU is according to vehicle speed, turning and the load-carrying signal gathered, according to corresponding control policy, transmit control signal to actuating unit, promoting sleeve moves to left or moves to right, make the corresponding engagement of multistage spline, obtain a plurality of different cross section principal moments of inertia I, thereby obtain the rigidity of a plurality of different brackets, realize the multistage adjustable of stabilizer rod rigidity.
The beneficial effects of the utility model are, can regulate Panhard rod rigidity according to actual conditions very easily, improve vehicle stability and ride comfort, and system architecture is simple, is easy to realize.
Description of drawings
Fig. 1 is a structural principle scheme drawing of the present utility model;
Fig. 2 is that three grades of rigidity of the utility model realize the theory structure scheme drawing;
The number in the figure explanation:
1-stablizes on a left side half bar; 2-stablizes on the right side half bar;
The 3-sleeve; 4-assists polished rod;
5-assists swing arm; The 6-worm gear;
The 7-worm screw; The 8-motor;
9-left side flange; The 10-sleeve flange;
The right flange of 11-; A-stablizes on a left side half bar one-level male splines;
B-stablizes on a left side half bar secondary male splines; C-stablizes on a left side three grades of male spliness of half bar;
D-sleeve one-level female splines; E-sleeve secondary female splines;
Three grades of female spliness of F-sleeve left end; Three grades of female spliness of G-sleeve right-hand member;
H-stablizes on the right side half bar one-level female splines; I-stablizes on the right side three grades of male spliness of half bar;
D 1-one-level spline free area diameter; D 2-secondary spline free area diameter;
D 3-three grades of spline free area diameters; l 1The effective drift of half bar one-level male splines is stablized on-a left side;
l 2Half bar secondary male splines effective length is stablized on-a left side; l 3Three grades of male splines effective lengths of half bar are stablized on-a left side.
The specific embodiment
See also shown in the accompanying drawing, the utility model will be further described.
As shown in Figure 1, the utility model provides a kind of electronically controlled multistage stiffness-adjustable lateral stability lever apparatus, comprise Panhard rod and subsidiary thereof, ECU (Electrical Control Unit) and signal pickup assembly thereof and actuating unit, described Panhard rod by a left side stablize half bar 1, half bar 2 is stablized on the right side and sleeve 3 is formed; A described left side is stablized half bar, 1 right-hand member and is provided with stair-stepping multistage male splines, the left end that half bar 2 is stablized on the right side is provided with minor radius female splines and long radius male splines, left and right half bar of stablizing is with sleeve 3 outward, the left end of this sleeve 3 is provided with stepped multistage female splines, right-hand member is provided with the long radius female splines, a left side is stablized half bar 1 and is stablized half bar 2 by male splines A and female splines H engagement with the right side, and the engagement effective length is enough to guarantee to transmit one-level stabilizer rod rigidity; Sleeve 3 is enclosed within the left and right half bar outside of stablizing, and stablizes half bar constant-mesh by female splines G and male splines I and the right side, by female splines D and male splines A slip constant-mesh; Wherein left engagement successively of stablizing the stepped multistage inside and outside spline between half bar 1 and the sleeve 3 has realized the grade rigidity adjusting of Panhard rod; Described Panhard rod is provided with parallel with it smooth guide rod 4 and screwed swing arm 5, and left flange 9, sleeve flange 10 and right flange 11, and, the auxiliary mechanism that is made up of guide rod 4, swing arm 5, left flange 9, sleeve flange 10 and right flange 11 stablizes half bar 1, the right side with a left side and stablizes half bar 2 and fix with sleeve 3 axial locations, and can rotate relatively between this auxiliary mechanism and the Panhard rod; Described actuating unit is subjected to the control of electronic control unit ECU, drives sleeve 3 relative Panhard rods and moves to left or move to right, and realizes that multistage rigidity is adjustable.Described electronic control unit ECU is connected with the sensor of the collection vehicle speed of a motor vehicle, turning and load-carrying signal.
Described stabilizer rod lateral part diameter of section is greater than vertical transverse arm partial cross section diameter, and the joint portion is by excessively extending to the major diameter cross section vertical transverse arm part gently.
Described actuating unit is motor 8 and worm gear 6 worm screws 7 mechanisms, or the hydraulic gear of being made up of Hydraulic Pump, electromagnetic valve, hydraulic actuating cylinder.
The principle of the multistage stiffness-adjustable Panhard rod of the utility model rigidity is: electronic control unit ECU is according to vehicle speed, turning and the load-carrying signal gathered, according to corresponding control policy, transmit control signal to actuating unit, promoting sleeve moves to left or moves to right, make the corresponding engagement of multistage spline, obtain a plurality of different cross section principal moments of inertia I, thereby obtain the rigidity of a plurality of different brackets, realize the multistage adjustable of stabilizer rod rigidity.
As shown in Figure 2, stabilizer rod free area diameter is one-level diameter of section D 1, the stabilizer rod effective rigidity is an one-level rigidity; If motor 8 is under electronic control unit ECU control, shorten by the worm screw 7 and transmission of power drive swing arm 5 rotations of worm gear 6, thereby pulling sleeve flange 10 and sleeve 3 move to left along guide rod 4, until secondary female splines E and secondary male splines B engagement, this moment, the free area diameter was secondary diameter of section D 2, the stabilizer rod effective rigidity is a secondary rigidity; If motor 8 continues action, make sleeve 3 continue to move to left, until three grades of female splines F and three grades of male splines C engagements, this moment, the free area diameter was three grades of diameter D 3, the stabilizer rod effective rigidity is three grades of rigidity.Three grades of rigidity adjustings of stabilizer rod have so just been realized.
In order to guarantee effectively three grades of rigidity adjustings of realization of the utility model, the spy makes the following instructions:
1) according to the strength of material correlation theory as can be known, when the ring section of same material sleeve and the engagement of round section cylinder, guarantee that integral body has the rigidity of circular section cylinder, then require sleeve 3 external diameters 1.2 times greater than body diameter.Because of drawing, the external diameter of sleeve 3 is not below or equal to a left side and stablizes 1 three grades of diameter of section D of half bar 31.2 times.
2) in order to realize the engagement successively of Three Estate spline, require the effective drift l of one-level male splines 1, secondary male splines effective length l 2, three grades of male splines effective length l 3Between satisfy following relation: l 1>l 2>l 3Therefore, in order to guarantee effective engagement, the utility model requires l 2>2*l 3, l 1>l 2+ l 3Simultaneously, require three grades of female splines G of right-hand member and the right length long enough of stablizing three grades of male splines I of half bar 2 of sleeve 3, the utility model optimum length is l 1
3) interference of stabilizer rod rigidity being regulated for the ancillary system of getting rid of polished rod 4, swing arm 5, left flange 9, sleeve flange 10 and right flange 11 compositions, need carry out following design: sleeve flange 10 passes through corresponding construction with sleeve 3, carry out axial location as bearing, back-up ring jump ring, nut etc. and fix, but can rotate relatively; Left side flange 9 and right flange 11 is fixed together with vehicle frame, by corresponding construction its relative axial position with stabilizer rod fixed simultaneously, and made it stablize half bar 1 with a left side respectively and the relative rotations of half bar, 2 freedom are stablized on the right side.Simultaneously, motor, worm screw, turbine, swing arm etc. link to each other with vehicle frame by corresponding structure.
But the above-mentioned specific embodiment is exemplary, is to be the restriction that this patent is comprised scope in order better to make those skilled in the art can understand the utility model, can not to be interpreted as; So long as according to spirit that this patent discloses done anyly be equal to change or modify, all fall into the scope that this patent comprises.

Claims (6)

1. an electronically controlled multistage stiffness-adjustable lateral stability lever apparatus comprises Panhard rod and subsidiary thereof, ECU (Electrical Control Unit) and signal pickup assembly thereof and actuating unit, it is characterized in that:
Described Panhard rod by a left side stablize half bar (1), half bar (2) is stablized on the right side and sleeve (3) is formed; A described left side is stablized half bar (1) right-hand member and is provided with stair-stepping multistage male splines, the left end that half bar (2) is stablized on the right side is provided with minor radius female splines and long radius male splines, the left end of sleeve (3) is provided with stepped multistage female splines, right-hand member is provided with the long radius female splines, half bar (1) is stablized on a left side, the cooresponding spline engagement of green phase between half bar (2) and the sleeve (3) is stablized on the right side, and wherein the left side engagement successively of stablizing stepped multistage inside and outside spline between half bar (1) and the sleeve (3) has realized that the grade rigidity of Panhard rod regulates; Described Panhard rod is provided with parallel with it smooth guide rod (4) and screwed swing arm (5), and left flange (9), sleeve flange (10) and right flange (11), and, the auxiliary mechanism that is made up of guide rod (4), swing arm (5), left flange (9), sleeve flange (10) and right flange (11) stablizes half bar (1), the right side with a left side and stablizes half bar (2) and fix with sleeve (3) axial location, and can rotate relatively between this auxiliary mechanism and the Panhard rod; Described actuating unit is subjected to the control of electronic control unit, drives the relative Panhard rod of sleeve and moves to left or move to right, and realizes that multistage rigidity is adjustable.
2. by the described electronically controlled multistage stiffness-adjustable lateral stability lever apparatus of claim 1, it is characterized in that:
Described stabilizer rod lateral part diameter of section is greater than vertical transverse arm partial cross section diameter, and the joint portion is by excessively extending to the major diameter cross section vertical transverse arm part gently.
3. by the described electronically controlled multistage stiffness-adjustable lateral stability lever apparatus of claim 1, it is characterized in that:
Described actuating unit is motor and worm-and-wheel gear, or the hydraulic gear of being made up of Hydraulic Pump, electromagnetic valve, hydraulic actuating cylinder.
4. by the described electronically controlled multistage stiffness-adjustable lateral stability lever apparatus of claim 1, it is characterized in that:
The external diameter of described sleeve (3) is not below or equal to a left side and stablizes (1) three grade of diameter of section D of half bar 31.2 times.
5. by the described electronically controlled multistage stiffness-adjustable lateral stability lever apparatus of claim 1, it is characterized in that:
The multistage male splines that half bar (1) right-hand member is stablized on a described left side is provided with three effective drifts, is the effective drift l of one-level male splines 1, secondary male splines effective length l 2, three grades of male splines effective length l 3, wherein the pass of three effective lengths is l 2>2*l 3, l 1>l 2+ l 3The length long enough of three grades of male splines I of half bar (2) is stablized on the three grades of female splines G of the right-hand member of sleeve (3) and the right side.
6. by the described electronically controlled multistage stiffness-adjustable lateral stability lever apparatus of claim 5, it is characterized in that:
The optimum length that three grades of male splines I of half bar (2) are stablized on the three grades of female splines G of the right-hand member of described sleeve (3) and the right side is l 1
CN2010202626182U 2010-07-19 2010-07-19 Electronically controlled multistage transverse stabilizer device with adjustable rigidity Expired - Fee Related CN201756045U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202626182U CN201756045U (en) 2010-07-19 2010-07-19 Electronically controlled multistage transverse stabilizer device with adjustable rigidity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202626182U CN201756045U (en) 2010-07-19 2010-07-19 Electronically controlled multistage transverse stabilizer device with adjustable rigidity

Publications (1)

Publication Number Publication Date
CN201756045U true CN201756045U (en) 2011-03-09

Family

ID=43643312

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010202626182U Expired - Fee Related CN201756045U (en) 2010-07-19 2010-07-19 Electronically controlled multistage transverse stabilizer device with adjustable rigidity

Country Status (1)

Country Link
CN (1) CN201756045U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103625238A (en) * 2013-12-02 2014-03-12 江苏大学 Electrically-controlled rigidity-adjustable initiative laterally stabilizing device
CN104408235A (en) * 2014-11-03 2015-03-11 山东理工大学 Design method for outer circle radius of rubber sleeve of internal offset non-coaxial driving cab stabilizer bar
WO2015085870A1 (en) * 2013-12-11 2015-06-18 郑州宇通客车股份有限公司 Self-adaptive horizontal stabilizing device and vehicle suspension system using same
CN106494176A (en) * 2016-10-13 2017-03-15 重庆工商大学 Detachable QS
CN112519524A (en) * 2020-12-22 2021-03-19 浙江零跑科技有限公司 Breakable car stabilizer bar
CN112590932A (en) * 2020-12-10 2021-04-02 安徽江淮汽车集团股份有限公司 Toe-in adjusting device and car
CN114148141A (en) * 2021-12-31 2022-03-08 郝宝兰 A turning stabilising arrangement that is used for supplementary rear axle of FF motorcycle type to prevent tilting rod

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103625238A (en) * 2013-12-02 2014-03-12 江苏大学 Electrically-controlled rigidity-adjustable initiative laterally stabilizing device
CN103625238B (en) * 2013-12-02 2015-08-26 江苏大学 Automatically controlled stiffness-adjustable active lateral stabilizing device
WO2015085870A1 (en) * 2013-12-11 2015-06-18 郑州宇通客车股份有限公司 Self-adaptive horizontal stabilizing device and vehicle suspension system using same
CN104408235A (en) * 2014-11-03 2015-03-11 山东理工大学 Design method for outer circle radius of rubber sleeve of internal offset non-coaxial driving cab stabilizer bar
CN104408235B (en) * 2014-11-03 2018-04-27 山东理工大学 The design method of interior biasing non-coaxial driver's cabin stabiliser bar rubber sleeve exradius
CN106494176A (en) * 2016-10-13 2017-03-15 重庆工商大学 Detachable QS
CN112590932A (en) * 2020-12-10 2021-04-02 安徽江淮汽车集团股份有限公司 Toe-in adjusting device and car
CN112519524A (en) * 2020-12-22 2021-03-19 浙江零跑科技有限公司 Breakable car stabilizer bar
CN112519524B (en) * 2020-12-22 2024-06-07 浙江零跑科技股份有限公司 But disconnect-type car stabilizer bar
CN114148141A (en) * 2021-12-31 2022-03-08 郝宝兰 A turning stabilising arrangement that is used for supplementary rear axle of FF motorcycle type to prevent tilting rod
CN114148141B (en) * 2021-12-31 2023-12-26 西安合力汽车配件有限公司 Turning stabilizing device for auxiliary rear axle anti-tilting rod of FF vehicle type

Similar Documents

Publication Publication Date Title
CN201756045U (en) Electronically controlled multistage transverse stabilizer device with adjustable rigidity
CN201501250U (en) Wheel tread adjusting mechanism for automobile
EP2855249B1 (en) Planetary gear transmission and electric vehicle
CN202987258U (en) Vehicle steering device
CN204726507U (en) Four-wheel break-in running gear
JP6035852B2 (en) Vehicle suspension system
CN112829821A (en) Steering apparatus and method
CN203651877U (en) Steering system used for non-independent suspension frame vehicle and non-independent suspension frame vehicle
CN110949497A (en) Unmanned platform car that all-wheel 360 degrees turned to
CN103465777A (en) Double-differential electromechanical compound transmission device for crawler vehicle
CN110667693A (en) Automatic drive-by-wire steering system of automobile
CN107139673A (en) Electric motor type active lateral stabiliser bar
CN103625238A (en) Electrically-controlled rigidity-adjustable initiative laterally stabilizing device
CN201432720Y (en) Double-front-axle steering transmission mechanism of heavy truck
CN110228341B (en) Transfer case for pure electric amphibious vehicle
CN104709293A (en) Motor bogie for a rail vehicle in which the motor is substantially coaxial with the wheel axle
CN206066487U (en) Bio-robot tail structure
CN105667586B (en) Delivery vehicle and its steering
CN207773130U (en) Tractor trailer train multispan formula overhead trackless transportation facility and walked on the facility
CN203892542U (en) Double-pole control mechanism
CN205013599U (en) Cycle driver mechanism
CN104455368B (en) The anti-trip stop hard operating mechanism of single pole shifting out of supply
CN103775571B (en) Gear and use drive system and the vehicle of this gear
CN203391617U (en) Heightened steering drive axle
RU2668141C1 (en) Method and device for stabilizing torque moment at drive wheels

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Wei Jingzhou

Inventor after: Chen Xinbo

Inventor before: Wei Yizhou

Inventor before: Chen Xinbo

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: WEI YIZHOU CHEN XINBO TO: WEI JINGZHOU CHEN XINBO

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110309

Termination date: 20130719