CN104235293A - Engine accessory belt hydraulic tensioner - Google Patents
Engine accessory belt hydraulic tensioner Download PDFInfo
- Publication number
- CN104235293A CN104235293A CN201410462258.3A CN201410462258A CN104235293A CN 104235293 A CN104235293 A CN 104235293A CN 201410462258 A CN201410462258 A CN 201410462258A CN 104235293 A CN104235293 A CN 104235293A
- Authority
- CN
- China
- Prior art keywords
- plunger
- housing
- hydraulic tensioner
- engine accessory
- belt
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/0829—Means for varying tension of belts, ropes, or chains with vibration damping means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention provides an engine accessory belt hydraulic tensioner. The engine accessory belt hydraulic tensioner comprises a plunger and a shell, wherein hydraulic oil is injected into the inner cavity of the shell; a barrel for generating hydraulic damping is arranged in the inner cavity of the shell; the top open end of the shell is hermetically connected with a plunger sleeve of the plunger; an oil pressure damping gap is formed between a plunger rod of the plunger and the inner cavity of the barrel; springs are arranged between the plunger sleeve and the barrel; a one-way valve for preventing the hydraulic oil in the inner cavity of the barrel from flowing reversely is arranged at the bottom of the barrel. The engine accessory belt hydraulic tensioner is applied to an engine accessory belt transmission system, so that the vibration noise of a belt can be effectively lowered, belt wear caused by vibration can be reduced to the maximum extent, the accuracy and reliability of belt transmission are ensured, the service life of the system is prolonged, and the reliability of long-term working is ensured; moreover, the hydraulic oil in the inner cavity of the hydraulic tensioner can be used for effectively lubricating moving components, and heat generated during movement is dissipated in time, so that the service life of the hydraulic tensioner is prolonged.
Description
Technical field
The present invention relates to engine accessory belt tension device technical field, especially relate to a kind of engine accessory belt hydraulic tensioner.
Background technique
Engine accessory belt stretcher is widely used in the accessory belt drive belt system of internal combustion engine, it absorbs the vibration in belt transmission by inner torque spring and friction plate, to reduce the impact that in transmission system, each parts are subject to, extend the working life of accessory belt drive belt system, guarantee bel-drivenn accuracy and reliability, and reduce drive noise, improve the travelling comfort driven.
But mainly there is the problem of following two aspects in existing engine accessory belt stretcher:
First, existing engine accessory belt stretcher generally adopts torque spring to add friction plate to carry out tightening belt and provide damping force, because stretcher will meet the normal work of motor under complex working condition, the tension force of belt often designs larger, so that tightening belt to greatest extent, prevent belt from occurring skidding and making the equipment cisco unity malfunctions such as generator in system, water pump, air condition compressor.But, the tension force of belt is excessive, makes belt operationally be in tensioned state for a long time, and belt is tightened continuing to increase of power and caused belt to be more easily elongated, also cause the bearing suppressive jamming of the motion of each parts in system to increase simultaneously, the wearing and tearing of bearing are aggravated.Therefore, great restriction is subject to the working life of belt, bearing etc.
Second, existing engine accessory belt stretcher because of damping can be produced by the frictional force of friction plate, long use can cause the heating of friction plate, abrasion increases the weight of, and damping capacity declines, when working under motor is in extreme operating condition, the vibration of belt is easily caused to aggravate, and stretcher cannot provide corresponding damping to cushion high vibration, therefore, belt is made to produce strong noise because amplitude is excessive, affect ride comfort, be also unfavorable for the stable operation of accessory system simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is: for prior art Problems existing, a kind of engine accessory belt hydraulic tensioner is provided, slow down wearing and tearing and the undue oscillation of accessory belt drive belt system, reduce belt vibration noise, improve belt working life and bel-drivenn accuracy, reliability.
The technical problem to be solved in the present invention realizes by the following technical solutions: a kind of engine accessory belt hydraulic tensioner, comprise the housing being marked with hydraulic oil in plunger and inner chamber, the cylindrical shell for generation of hydraulic damping is provided with in described housing cavity, be tightly connected between case top opening end and the plunger bushing of plunger, oil pressure damping clearance is formed between the plunger rod of described plunger and cylinder lumen, spring is set between plunger bushing and cylindrical shell, is provided with the one-way valve of the hydraulic oil adverse current prevented in cylinder lumen at cylinder body bottom.
Preferably, described plunger top offers circular hole, described circular hole is provided with the sleeve that interference press-fits, and forms Spielpassung between described sleeve and locating stud.
Preferably, described sleeve is the plastic sleeve adopting wear-resistant plastic to make.
Preferably, the plunger rod lower end of described plunger is provided with circular groove, in circular groove, be provided with collar, and the cylindrical of described collar engages with the endoporus of cylindrical shell.
Preferably, be provided with dust-proof cover between described plunger and housing, described dust-proof cover is connected with plunger bushing, housing seal respectively.
Preferably, arrange oil sealing between described housing and plunger bushing, described oil sealing forms interference fit with plunger bushing, housing respectively.
Preferably, described spring and body contact end are provided with pad, described pad by spring compression bottom housing cavity.
Preferably, described housing adopts aluminum alloy manufacture.
Compared with prior art, the invention has the beneficial effects as follows: the present invention is applied in Belt Driving System for Engine Accessories, by the vibration that hydraulic oil cushions, absorption portion is excessive of hydraulic tensioner inner chamber, reduce the vibrating noise of belt, alleviate because vibrating the belt wearing and tearing caused to greatest extent, to ensure bel-drivenn accuracy, reliability, thus improve the working life of system and the reliability of long-term work; In addition, the hydraulic oil of hydraulic tensioner inner chamber can also lubricating movement part effectively, and is shed in time by the heat produced in movement process, is conducive to the working life extending hydraulic tensioner.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of engine accessory belt hydraulic tensioner of the present invention.
Fig. 2 is the tectonic maps of Belt Driving System for Engine Accessories.
Fig. 3 is the working principle schematic diagram of Belt Driving System for Engine Accessories.
Mark in figure: 1-sleeve, 2-locating stud, 3-dust-proof cover, 4-plunger bushing, 5-spring, 6-plunger, 7-oil sealing, 8-cylindrical shell, 9-collar, 10-housing, 11-pad, 12-one-way valve, 13-low-pressure cavity, 14-hyperbaric chamber, 15-bent axle, 16-Idle wheel, 17-water pump, 18-generator, 19-belt, 20-hydraulic tensioner, 21-air condition compressor, 22-tension arms, 23-tension arms fulcrum, 24-pin-and-hole.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with the drawings and specific embodiments, the present invention is described in detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
A kind of engine accessory belt hydraulic tensioner as shown in Figure 1, comprises housing 10 and plunger 6, is marked with a certain amount of hydraulic oil in the round cavity of housing 10, is tightly connected between the plunger bushing 4 of housing 10 open top end and plunger 6.In order to isolated extraneous impurity enters housing 10 inner chamber effectively, the oil sealing 7 being used for seal casinghousing 10 inner chamber can be set between housing 10 and plunger bushing 4, interference fit is formed between described plunger bushing 4 cylindrical and oil sealing 7 endoporus, also interference fit is formed between the seal mounting hole at described oil sealing 7 cylindrical and housing 10 top, thus plunger 6 is fixedly mounted on housing 10 upper end, and introduced contaminants is effectively prevented to enter housing 10 inner chamber.The cylindrical shell 8 for generation of hydraulic damping is also provided with in the round cavity of housing 10, described cylindrical shell 8 is arranged on bottom plunger bushing 4, itself and plunger 6 cooperatively interact, and the round cavity of housing 10 are separated into low-pressure cavity 13 and hyperbaric chamber 14, and described hyperbaric chamber 14 is cylindrical shell 8 inner chamber.Bottom cylindrical shell 8, be provided with the one-way valve 12 of the hydraulic oil adverse current prevented in hyperbaric chamber 14, namely 12, described one-way valve allows the hydraulic oil in low-pressure cavity 13 to enter hyperbaric chamber 14 from the oilhole of cylindrical shell 8 lower end, and does not allow hydraulic oil adverse current.Wherein, described housing 10 can adopt pack alloy manufacture, to reduce the total quality of hydraulic tensioner, also can reduce simultaneously hydraulic tensioner in working order time movement inertia.Described cylindrical shell 8, plunger 6 can adopt alloyed steel, and carry out carburizing and quenching process, to strengthen its wear resistance.
Offer a circular hole on plunger 6 top, described circular hole is provided with the sleeve 1 that interference press-fits, forms Spielpassung between sleeve 1 and locating stud 2, locating stud 2 is fixedly connected on engine body, thus make plunger 6 can centered by locating stud 2 flexible rotating.Annular oil pressure damping clearance is formed between the plunger rod cylindrical of plunger 6 and cylindrical shell 8 inner chamber, when plunger rod relative cylindrical shell 8 inner chamber of plunger 6 moves downward, hydraulic oil in hyperbaric chamber 14 can release from above-mentioned annular oil pressure damping clearance, the frictional force that hydraulic oil produces each other with plunger 6, cylindrical shell 8 surface of contact and hydraulic oil in movement process just makes hydraulic tensioner produce hydraulic damping, thus the vibration that absorption appendix belt produces.The plastic sleeve that sleeve 1 wherein can adopt wear-resistant plastic to make, with reduce hydraulic tensioner in working order time because of vibration produce frictional loss.
Be provided with the dust-proof cover 3 adopting nylon material to make in the gap, stage casing of plunger 6, described dust-proof cover 3 is tightly connected with plunger bushing 4, housing 10 respectively, to realize the sealing completely of hydraulic tensioner inner chamber, prevents introduced contaminants from entering hydraulic tensioner inner chamber.The plunger rod lower end of plunger 6 is provided with circular groove, is provided with collar 9 in circular groove, the cylindrical of described collar 9 engages with the endoporus of cylindrical shell 8; The spring 5 for tensioning accessory belt is provided with between plunger bushing 4 and cylindrical shell 8, in order to avoid the phase mutual friction between spring 5 with housing 10, spring 5 and housing 10 contact jaw are provided with the alloyed steel pad 11 through Quenching Treatment, described pad 11 is pressed on housing 10 intracavity bottom by spring 5, can implement certain tension force by spring 5 to accessory belt.When spring 5 promote plunger bushing 4 up time, the plunger 6 coordinated with plunger bushing 4 is also together up, plunger 6 can be stuck in cylindrical shell 8 inner chamber, eject cylindrical shell 8 to prevent plunger 6 by collar 9; Meanwhile, because plunger bushing 4 cylindrical lower end and housing 10 interference fit link together, effectively can prevent cylindrical shell 8 from deviating from housing 10, ensure that the movement travel of plunger 6 is limited in hyperbaric chamber 14 scope in cylindrical shell 8.
Hydraulic tensioner of the present invention is applied in Belt Driving System for Engine Accessories, is mainly used for the tensioning to belt in Belt Driving System for Engine Accessories, also carries out bumper and absorbing shock to the vibration that belt transmission process produces simultaneously.In Belt Driving System for Engine Accessories as shown in Figure 2, bent axle 15, water pump 17 and generator 18 and air condition compressor 21 ring hydraulic tensioner 20 distribute, and all by belt 19 transmission.Be connected by pin-and-hole 24 with tension arms 22 one end bottom the housing 10 of described hydraulic tensioner 20, tension arms 22 the other end is provided with Idle wheel 16, belt 19 is around on Idle wheel 16 cylindrical; The plunger end of described hydraulic tensioner 20 is fixed on the engine.When Belt Driving System for Engine Accessories operationally, the region of housing 10 inner chamber about 70% of hydraulic tensioner 20 has been injected into hydraulic oil, belt 19 is driven by bent axle 15, and then drive water pump 17, generator 18, air condition compressor 21 to work, when belt 19 transferring power, inevitably vibration will be produced.The vibration that belt 19 produces forces tension arms 22 to rotate with tension arms fulcrum 23 by Idle wheel 16, and when tension arms 22 vibrates, transfers vibrations to the housing 10 of hydraulic tensioner 20, thus forces hydraulic tensioner 20 body to produce vibration.
Below in conjunction with above-mentioned Belt Driving System for Engine Accessories and accompanying drawing 3, the working principle of hydraulic tensioner 20 is wherein described as follows:
As shown in Figure 3, when hydraulic tensioner 20 is subject to the vibratory impulse from belt 19, because the locating stud 2 on hydraulic tensioner 20 is fixed on the engine, housing 10 end band of hydraulic tensioner 20 is moved cylindrical shell 8 and is moved up and down.When housing 10 moves upward, the volume of hyperbaric chamber 14 diminishes, and the hydraulic coupling that hydraulic oil produces increases, and now, because one-way valve 12 is in closed condition, the hydraulic oil in hyperbaric chamber 14 can only release from the matching gap between plunger 6 and cylindrical shell 8; Because matching gap is very little, therefore, hydraulic oil can produce larger flowed friction and carrys out cushion load in the process of releasing.When housing 10 moves downward, hyperbaric chamber 14 volume increases, and the hydraulic coupling that hydraulic oil produces reduces thereupon, and the pressure reduction that hyperbaric chamber 14 produces makes one-way valve 12 open, and makes hydraulic oil can enter hyperbaric chamber 14 from the oilhole of housing 10 intracavity bottom.In whole working procedure, continued to apply certain tension force to belt 19 by the spring 5 compressed in hydraulic tensioner 20, reset response is played to housing 10 simultaneously.
Hydraulic tensioner of the present invention adopts hydraulic damping principle, is cushioned, absorption portion vibration by the hydraulic oil of hydraulic tensioner inner chamber, to alleviate to greatest extent because vibrating the belt wearing and tearing caused, extends the working life of belt; Meanwhile, the hydraulic oil of hydraulic tensioner inner chamber can also lubricating movement part effectively, and is shed in time by the heat produced in movement process, to extend the working life of hydraulic tensioner.In Belt Driving System for Engine Accessories, utilize the present invention with less tension force tightening belt, for belt continues to provide corresponding tension force and damping force, the vibrating noise reducing belt can be conducive to, to ensure bel-drivenn accuracy, reliability; Simultaneously also can buffer system load, alleviate the undue oscillation of relevant device and the wearing and tearing of equipment middle (center) bearing such as water pump, generator, air condition compressor to greatest extent, improve the working life of system and the reliability of long-term work.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, it should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. an engine accessory belt hydraulic tensioner, it is characterized in that: comprise the housing (10) being marked with hydraulic oil in plunger (6) and inner chamber, the cylindrical shell (8) for generation of hydraulic damping is provided with in described housing (10) inner chamber, be tightly connected between the plunger bushing (4) of housing (10) open top end and plunger (6), oil pressure damping clearance is formed between the plunger rod of described plunger (6) and cylindrical shell (8) inner chamber, spring (5) is set between plunger bushing (4) and cylindrical shell (8), the one-way valve (12) of the hydraulic oil adverse current prevented in cylindrical shell (8) inner chamber is provided with in cylindrical shell (8) bottom.
2. a kind of engine accessory belt hydraulic tensioner according to claim 1, it is characterized in that: circular hole is offered on described plunger (6) top, described circular hole is provided with the sleeve (1) that interference press-fits, between described sleeve (1) and locating stud (2), forms Spielpassung.
3. a kind of engine accessory belt hydraulic tensioner according to claim 2, is characterized in that: described sleeve (1) is the plastic sleeve adopting wear-resistant plastic to make.
4. a kind of engine accessory belt hydraulic tensioner according to any one of claim 1-3, it is characterized in that: the plunger rod lower end of described plunger (6) is provided with circular groove, in circular groove, be provided with collar (9), the cylindrical of described collar (9) engages with the endoporus of cylindrical shell (8).
5. a kind of engine accessory belt hydraulic tensioner according to any one of claim 1-3, it is characterized in that: be provided with dust-proof cover (3) between described plunger (6) and housing (10), described dust-proof cover (3) is tightly connected with plunger bushing (4), housing (10) respectively.
6. a kind of engine accessory belt hydraulic tensioner according to any one of claim 1-3, it is characterized in that: arrange oil sealing (7) between described housing (10) and plunger bushing (4), described oil sealing (7) forms interference fit with plunger bushing (4), housing (10) respectively.
7. a kind of engine accessory belt hydraulic tensioner according to any one of claim 1-3, it is characterized in that: described spring (5) and housing (10) contact jaw are provided with pad (11), and described pad (11) is pressed on housing (10) intracavity bottom by spring (5).
8. a kind of engine accessory belt hydraulic tensioner according to claim 7, is characterized in that: described housing (10) adopts aluminum alloy manufacture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462258.3A CN104235293A (en) | 2014-09-11 | 2014-09-11 | Engine accessory belt hydraulic tensioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462258.3A CN104235293A (en) | 2014-09-11 | 2014-09-11 | Engine accessory belt hydraulic tensioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104235293A true CN104235293A (en) | 2014-12-24 |
Family
ID=52223958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410462258.3A Pending CN104235293A (en) | 2014-09-11 | 2014-09-11 | Engine accessory belt hydraulic tensioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104235293A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185408A (en) * | 2018-10-18 | 2019-01-11 | 盖茨优霓塔传动系统（上海）有限公司 | A kind of hydraulic stem and the hydraulic tensioner with the hydraulic stem |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814339A (en) * | 1994-06-30 | 1996-01-16 | Nippon Seiko Kk | Damper device for auto-tensioner |
| JPH10141453A (en) * | 1996-09-13 | 1998-05-29 | Otix:Kk | Hydraulic auto tensioner |
| JP3707447B2 (en) * | 2002-05-29 | 2005-10-19 | 株式会社ショーワ | Hydraulic auto tensioner |
| JP4084591B2 (en) * | 2002-04-08 | 2008-04-30 | 株式会社オティックス | Hydraulic auto tensioner |
| CN101526125A (en) * | 2008-02-18 | 2009-09-09 | 株式会社椿本链索 | Hydraulic tension device |
| JP2013142405A (en) * | 2012-01-06 | 2013-07-22 | Ntn Corp | Hydraulic auto tensioner |
| CN204083104U (en) * | 2014-09-11 | 2015-01-07 | 绵阳富临精工机械股份有限公司 | A kind of engine accessory belt hydraulic tensioner |
-
2014
- 2014-09-11 CN CN201410462258.3A patent/CN104235293A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814339A (en) * | 1994-06-30 | 1996-01-16 | Nippon Seiko Kk | Damper device for auto-tensioner |
| JPH10141453A (en) * | 1996-09-13 | 1998-05-29 | Otix:Kk | Hydraulic auto tensioner |
| JP4084591B2 (en) * | 2002-04-08 | 2008-04-30 | 株式会社オティックス | Hydraulic auto tensioner |
| JP3707447B2 (en) * | 2002-05-29 | 2005-10-19 | 株式会社ショーワ | Hydraulic auto tensioner |
| CN101526125A (en) * | 2008-02-18 | 2009-09-09 | 株式会社椿本链索 | Hydraulic tension device |
| JP2013142405A (en) * | 2012-01-06 | 2013-07-22 | Ntn Corp | Hydraulic auto tensioner |
| CN204083104U (en) * | 2014-09-11 | 2015-01-07 | 绵阳富临精工机械股份有限公司 | A kind of engine accessory belt hydraulic tensioner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185408A (en) * | 2018-10-18 | 2019-01-11 | 盖茨优霓塔传动系统（上海）有限公司 | A kind of hydraulic stem and the hydraulic tensioner with the hydraulic stem |
| CN109185408B (en) * | 2018-10-18 | 2023-09-29 | 盖茨优霓塔传动系统（上海）有限公司 | Hydraulic rod and hydraulic tensioner with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204083104U (en) | A kind of engine accessory belt hydraulic tensioner | |
| CN202140372U (en) | Hydraulic cylinder equipped with buffer device | |
| CN106382327A (en) | Resonance-peak-free hydraulic vibration isolator and vibration reducing module thereof | |
| CN104265819A (en) | Linear anti-vibration and nonlinear strong-impact-resistant type isolator | |
| CN104235293A (en) | Engine accessory belt hydraulic tensioner | |
| CN208778563U (en) | A kind of commercial vehicle damper | |
| CN208605536U (en) | A kind of damper | |
| CN106438821A (en) | Barrel type hydraulic shock absorber | |
| CN204186901U (en) | A kind of motor tooth bar non-return stretcher | |
| CN104500638A (en) | Steering damper | |
| CN204153074U (en) | A kind of Timing Belt hydraulic tensioner with plunger guide function | |
| CN208749918U (en) | The combination of motorcycle balancing axis | |
| CN206017602U (en) | A kind of back-moving spring external belt stress | |
| CN210371865U (en) | Hydraulic tensioner | |
| CN201696424U (en) | Vibration reduction bolt of automobile cylinder cover hood | |
| CN211693341U (en) | Novel shock absorber based on electromagnet homopolar repulsion principle | |
| CN202301713U (en) | Bottom valve for closed working cylinder in shock absorber | |
| CN202243761U (en) | Hydraulic tension device | |
| RU94910U1 (en) | PNEUMA-MECHANICAL MODULE OF SUSPENSION OF A VEHICLE | |
| CN103375553B (en) | Stretcher core body and there is stretcher and the commutator of this core body | |
| CN203257968U (en) | Rear shock absorber | |
| CN202274038U (en) | Automotive shock absorber assembly with higher stability | |
| CN202301712U (en) | Automobile shock absorber assembly capable of efficiently reducing noise | |
| CN205991127U (en) | A kind of type variable Oil-gas Separation single drum shock absorber | |
| CN202391360U (en) | Anti-break sucker rod suspending device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141224 |
|
| RJ01 | Rejection of invention patent application after publication |