CN102995693A - Engineering machinery - Google Patents
Engineering machinery Download PDFInfo
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- CN102995693A CN102995693A CN2012103488997A CN201210348899A CN102995693A CN 102995693 A CN102995693 A CN 102995693A CN 2012103488997 A CN2012103488997 A CN 2012103488997A CN 201210348899 A CN201210348899 A CN 201210348899A CN 102995693 A CN102995693 A CN 102995693A
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- oil tank
- operating oil
- control valve
- upper frame
- hydraulic pump
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Abstract
The invention provides an engineering machinery, comprising a lower walking body, an upper rotating body and an operation auxiliary device. The upper rotating body comprises an upper frame, a driver cab on the left or right part of the front part of the upper frame, and an engine compartment formed on the rear part of the upper frame. In the engine compartment, an engine is arranged and a hydraulic pump is arranged on one of a left end part and a right end part, at the same side as the driver cab, of the engine. An equipment space is arranged in front of the engine compartment and is located at the side opposite to the driver cab in the left-right direction. A working oil tank and a control valve are disposed in the equipment space. The working oil tank is located behind the control valve and at the inner side relative to the control valve in the width direction of the upper frame. The working oil tank and the hydraulic pump are connected via a suction pipe. In this way, under the condition where the hydraulic pump and the working oil tank are respectively located at opposite sides of the upper frame in the left-right direction, it is possible to make shorter the suction pipe that connects the hydraulic pump and the working oil tank.
Description
Technical field
The present invention relates to the engineering machinery such as excavator, this project machinery comprises the top revolving body with upper frame, and at this top revolving body hydraulic pump, operating oil tank and control valve is set.
Background technology
Take excavator shown in Figure 3 as example illustrates background technology of the present invention.This excavator comprises caterpillar lower running body 1, the operation fixture 3 that can be equipped on pivotally the top revolving body 2 of this lower running body 1 and be installed on this top revolving body 2.Operation fixture 3 comprises swing arm 4, dipper 5, scraper bowl 6 and makes hydraulic cylinder 7,8 that they work respectively, 9 that is hydraulic actuator.Described excavator also comprises: hydraulic pump, and it is to comprising described hydraulic cylinder 7 to 9 at interior a plurality of hydraulic actuator supply working oils, to drive this hydraulic actuator; And control valve, it is between this hydraulic pump and described each hydraulic actuator, with the described working oil described hydraulic actuator that leads.
Top revolving body 2 comprises the upper frame 10 as base station, and the either side in the left and right sides of the front portion of this upper frame 10 (is the left side usually as shown in Figure.Below, describe as an example of this situation example) part on driver's cabin 11 is set, in the rearward end of upper frame 10 counterweight 12 is set.In addition, on the rear portion of upper frame 10, and than the position of described driver's cabin 11 by the place ahead of rear and counterweight 12, be formed with engine room 13, in this engine room 13, be provided as the motor 14 of power source.
Fig. 4 schematically shows the structure of described upper frame 10 and the general device layout on this upper frame 10.
In described upper frame 10 settings left stringer board 15, right stringer board 16, left clapboard 17, central baffle 18 and right clapboard 19 are set.Left and right sides stringer board 15,16 fore-and-aft direction along this upper frame 10 on the pars intermedia of the width of described upper frame 10 extends, its length is substantially equal to the length of described upper frame 10 fore-and-aft directions, and this left and right sides stringer board 15,16 is held a concurrent post the strengthening part of upper frame 10 integral body and the installing component of operation fixture 3.Described each dividing plate 17,18,19 is arranged at the rear portion of upper frame 10 in the mode with described stringer board 15,16 quadratures.
Described dividing plate 17 to 19, described counterweight 12 and not shown horizontal side protecting component and upside protecting component form engine room 13, in this engine room 13, be provided with motor 14 and be arranged at the left side of this motor 14 and the hydraulic pump 20 that is driven by this motor 14.
Be formed with device space S1 at described upper frame 10.This device space S1 is positioned at than described engine room 13 on the front and than driver's cabin 11 on the right side, and is covered by not shown protecting component.In this device space S1, be provided for making the actuator working equipment of hydraulic actuator work, this actuator working equipment comprises the control valve (Multigang valve) 22 as the work of the operating oil tank 21 of working oil source of supply and control hydraulic actuator.In addition, in the place ahead of described operating oil tank 21 and the position of the front of device space S1, fuel tank 23 is set.
At this, " device space S1 " expression can arrange the space of equipment, generally speaking refer to the space in engine room the place ahead and than driver's cabin 11 whole space on the right side, still in known technology shown in Figure 4, wherein be used as the substantial device space than right stringer board 16 space on the right side.So, be arranged in the machinery of same side at left and right directions at hydraulic pump 20 and actuator working equipment (operating oil tank 21 and control valve 22), because this hydraulic pump 20 is shorter with the distance of this actuator working equipment, thus connect their pipe, namely the working oil in the hydraulic pump 20 supply operating oil tanks 21 suction pipe 24 and connect control valve 22 all can be shorter with the loopback pipe 25 of operating oil tank 21.In addition, control valve 22 and operation fixture are connected by actuator pipes (supply side of pressure oil and return each pipe of side) 26 with hydraulic actuator.
Yet, in some engineering machinery, because of the relation based on the device layout of dwindling the requirements such as the radius of gyration, sometimes described hydraulic pump 20 is arranged at a reciprocal side at left and right directions respectively with described actuator working equipment 21,22.For example, be arranged in the machinery in right forward side at device space S1, as among Fig. 4 with shown in the double dot dash line, hydraulic pump 20 can be arranged at left side in the engine room 13 (with reference to Japanese Patent Publication communique JP 2000-291055 number).
As mentioned above, be arranged in the engineering machinery of a reciprocal side at left and right directions respectively at hydraulic pump 20 and actuator working equipment 21,22, distance between hydraulic pump 20 and the actuator working equipment 21,22 is elongated, and particularly connecting fluid press pump 20 becomes especially long with the length of the suction pipe 24 of operating oil tank 21.Thus, the required cost of pipe arrangement uprises.And, as the distinctive problem of suction pipe, also can produce the problem on this equipment performance of pump negative pressure degradation.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of engineering machinery that comprises hydraulic pump and actuator working equipment, in this project machinery, although described hydraulic pump and actuator working equipment are arranged at a reciprocal side at left and right directions respectively, but the length of the suction pipe of connecting fluid press pump and operating oil tank is short, therefore, can realize the guaranteeing of good negative pressure performance of cost and hydraulic pump.
The invention provides a kind of engineering machinery, it comprises: lower running body; The top revolving body is equipped on described lower running body with freely rotating; And the operation fixture, be installed on the front portion of described top revolving body.Described top revolving body has: upper frame; Driver's cabin, it is arranged at the part of the either side in the left and right sides of front portion of this upper frame; And engine room, it is formed at the rear portion of upper frame.In this engine room, be provided with in the both ends of the motor that extends along left and right directions and the left and right directions that is arranged at this motor the hydraulic pump with the end of described driver's cabin same side.On described upper frame, part with described driver's cabin opposition side in the place ahead of described engine room and on left and right directions is provided with the device space, in this device space, be provided with operating oil tank and control valve, this operating oil tank is accommodated by the working oil of described hydraulic pump, and described control valve control comprises the hydraulic actuator of described operation fixture in the work of interior a plurality of hydraulic actuators.Described operating oil tank be arranged at than described control valve by rear side and at the width of upper frame than this control valve position in the inner part, this operating oil tank is connected by suction pipe with described hydraulic pump.
In this project machinery, described operating oil tank be arranged at than described control valve by rear side and at width than this control valve position in the inner part, namely on fore-and-aft direction and left and right directions all than control valve near the position of hydraulic pump, although so hydraulic pump and operating oil tank are arranged at a reciprocal side at left and right directions respectively, can suppress the necessary length of suction pipe.Thus, can realize guaranteeing of low pipe arrangement cost and good pump negative pressure performance.In addition, because control valve is arranged at the position than the forward side of operating oil tank, namely than the position of operating oil tank near the operation fixture, so also can shorten the actuator pipes that the operation fixture is connected with control valve with hydraulic actuator (for example swing arm hydraulic cylinder, dipper hydraulic cylinder, scraper bowl hydraulic cylinder).
In the present invention, described control valve also can be connected by the loopback pipe with operating oil tank, returns described operating oil tank from returning of described hydraulic actuator is oily by described control valve and described loopback pipe.
In the engineering machinery with described loopback pipe, comparatively it is desirable to, in the mode that allows described control valve integral body be positioned at than the forward side of described operating oil tank described control valve and operating oil tank are set, so that be formed for arranging the space of described loopback pipe in the place ahead of operating oil tank.This setting, for example with described control valve and operating oil tank along in tandem so that when observing from the side this control valve compare with the setting that the part of operating oil tank overlaps, can guarantee in the place ahead of operating oil tank along the long effective pipe arrangement of the loopback space of fore-and-aft direction.Thus, can improve the degree of freedom of the bending etc. of pipe (such as flexible flexible pipe), make pipe distribution operation become easy.
On the other hand, described operating oil tank also can have to connect the intake and the loopback mouth that is connected connecting described loopback pipe of described suction pipe, and described intake is arranged at the rear portion of described operating oil tank, and described loopback mouth is arranged at the front portion of described operating oil tank.By the setting of described intake and loopback mouth, suction pipe and loopback pipe are all shortened.Thus, the pipe arrangement cost further reduces, and the reduction effect of the pump negative pressure that is produced by suction pipe improves, and the pressure loss of loopback pipe also reduces.
As mentioned above, according to the present invention, a kind of engineering machinery that comprises hydraulic pump and actuator working equipment can be provided, in this project machinery, although described hydraulic pump and actuator working equipment are arranged at a reciprocal side at left and right directions respectively, but the length of the suction pipe of connecting fluid press pump and operating oil tank is shorter, therefore, can realize the guaranteeing of good negative pressure performance of cost and hydraulic pump.
Description of drawings
Fig. 1 is the top view that schematically shows the setting of each equipment on the upper frame of the related top revolving body of embodiments of the present invention.
Fig. 2 is the figure that has amplified the II-II line section of Fig. 1.
Fig. 3 is the summary side elevation as the excavator of application example of the present invention.
Fig. 4 is shown schematically in the top view that the equipment on the upper frame of top revolving body in the past arranges.
The specific embodiment
According to Fig. 1 and Fig. 2 embodiments of the present invention are described.
In this embodiment, apply the present invention to described hydraulic crawler excavator shown in Figure 3.That is, the related excavator of this embodiment comprises caterpillar lower running body 1, the operation fixture 3 that can be equipped on pivotally the top revolving body 2 of this lower running body 1 and be installed on this top revolving body 2.Operation fixture 3 comprises swing arm 4, dipper 5, scraper bowl 6 and makes hydraulic cylinder 7,8 that they work respectively, 9 that is hydraulic actuator.Described excavator also comprises: hydraulic pump, and it is to comprising described hydraulic cylinder 7 to 9 at interior a plurality of hydraulic actuator supply working oils; And control valve, between this hydraulic pump and described each hydraulic actuator.
Replace upper frame 10 shown in Figure 3, driver's cabin 11, counterweight 12 and engine room 13, top revolving body 2 has upper frame shown in Figure 1 30, driver's cabin 31, counterweight 32 and engine room 33.Upper frame 30 is base stations of top revolving body 2, and the part of the either side in the left and right sides of the front portion of this upper frame 30 (being in the present embodiment the left side) arranges described driver's cabin 31, in the rearward end of upper frame 30 described counterweight 32 is set.In addition, at the rear portion of upper frame 30, and than the position of described driver's cabin 31 by the place ahead of rear and counterweight 32, form described engine room 33, in this engine room 33, be provided as the motor 34 of power source.
In described upper frame 30 settings left stringer board 35, right stringer board 36, left clapboard 37, central baffle 38 and right clapboard 39 are set.Fore-and-aft direction along this upper frame 30 on the pars intermedia of left and right sides stringer board 35,36 widths at described upper frame 30 (left and right directions) extends, its length is substantially equal to the length of the fore-and-aft direction of described upper frame 30, and this left and right sides stringer board 35,36 is held a concurrent post the strengthening part of upper frame 30 integral body and the installing component of operation fixture 3.Described each dividing plate 37,38,39 is arranged at the rear portion of upper frame 30 in the mode with described stringer board 35,36 quadratures.
Described dividing plate 37 to 39, described counterweight 32 and not shown horizontal side protecting component and upside protecting component form engine room 33, in this engine room 33, and the hydraulic pump 40 that is provided with motor 34 and is driven by this motor 34.Hydraulic pump 40 is arranged at the end in the left side of motor 34, namely in the both ends, the left and right sides of motor 34 with the end of described driver's cabin 31 same side.
Be formed with device space S2 at described upper frame 30.This device space S2 is positioned at than described engine room 33 on the front and than driver's cabin 31 on the right side, and is covered by not shown protecting component.In this device space S2, be provided for making the actuator working equipment of hydraulic actuator work, this actuator working equipment comprises: operating oil tank 41, it accommodates the working oil of being drawn by described hydraulic pump 40; And control valve (Multigang valve) 42, the work of its control hydraulic actuator.
Present embodiment is take mini-excavator as application.In this mini-excavator, as shown in the figure, with regard to the size of the size of fore-and-aft direction and left and right directions, driver's cabin 31 shared ratio in upper frame 30 is large.Therefore, the right-hand member of driver's cabin 31 be positioned at right stringer board 36 near, the right-hand member space on the right side than described driver's cabin 31 in the space in the place ahead of engine room 33 is equivalent to described device space S2.
Described hydraulic pump 40 is arranged at the left side of motor 34 in engine room 33, this hydraulic pump 40 is connected by suction pipe 44 with operating oil tank 41, and on the other hand, operating oil tank 41 is connected by loopback pipe 45 with control valve 42.In addition, control valve 42 is connected with each hydraulic actuator with not shown operation fixture by actuator pipes 46.
As depicted in figs. 1 and 2, described operating oil tank 41 and control valve 42 are to allow operating oil tank 41 be positioned at the mode of inboard of the width (left and right directions) of the rear side of control valve 42 and upper frame 30, in other words, to allow control valve 42 be positioned at the mode in the outside of the width of the front side of operating oil tank 41 and upper frame 30, be arranged at device space S2.Specifically, operating oil tank 41 is positioned at the position by rear portion (by engine room 33 sides) of the fore-and-aft direction pars intermedia of device space S2, and is equipped on the right stringer board 36 in the position near the right flank of driver's cabin 31.On the other hand, control valve 42 is positioned at the front portion of device space S2, and the integral body of this control valve 42 be positioned at than operating oil tank 41 forward sides and on width than operating oil tank 41 in the outer part (right side), being formed be used to the space that disposes described loopback pipe 45 in the place ahead of operating oil tank 41 is pipe arrangement space 47.In addition, described fuel tank 43 is arranged at the right side of described operating oil tank 41, and (control valve 42 sides) are compared to the front side in the front portion of this fuel tank 43 with operating oil tank 41 outstanding.
Described operating oil tank 41 has intake 41a and loopback mouth 41b.Intake 41a is arranged on the bottom surface at rear portion of operating oil tank 41 than the keep left part of side of right stringer board 36, and loopback mouth 41b is arranged on the front surface of leading section of operating oil tank 41 part than described right stringer board 36 top sides.Described suction pipe 44 is connected in described intake 41a, and between the suction port 40a of this intake 41a and described hydraulic pump 40.Described loopback pipe 45 is connected in described loopback mouth 41b, and between the reservoir port 42a of this loopback mouth 41b and described control valve 42.Described control valve 42 is connected by loopback pipe 45 with operating oil tank 41, returns described operating oil tank 41 from returning of described hydraulic actuator is oily by described control valve 42 and described loopback pipe 45.Described intake 41a also can be arranged at the rear end face of operating oil tank 41, and described loopback mouth 41b also can be arranged at the bottom surface of the front portion of operating oil tank 41.
So, in excavator illustrated in figures 1 and 2, operating oil tank 41 among the device space S2 is as follows with the position relationship of control valve 42: operating oil tank 41 is arranged at the rear side of control valve 42 and the position of width inboard, namely, on fore-and-aft direction and left and right directions all than control valve 42 position near hydraulic pumps 40, therefore, although hydraulic pump 40 and operating oil tank 41 are arranged at respectively a reciprocal side on the left and right directions, can make the shortizationest of suction pipe 44.Can significantly reduce the pipe arrangement cost thus, and guarantee good pump negative pressure performance.On the other hand, control valve 42 is arranged at the position of the front side of described operating oil tank 41, namely, be arranged at than the position of operating oil tank 41 near the operation fixture, therefore, also can shorten the length of the actuator pipes 46 that the operation fixture is connected with control valve 42 with hydraulic actuator (in hydraulic crawler excavator shown in Figure 3 for swing arm hydraulic cylinder 7, dipper hydraulic cylinder 8 and scraper bowl hydraulic cylinder 9).
And, in excavator illustrated in figures 1 and 2, because in the mode that allows described control valve 42 integral body be positioned at than operating oil tank 41 forward sides described operating oil tank 41 and described control valve 42 are set, be formed for disposing thus the pipe arrangement space 47 of loopback pipe 45 in the place ahead of operating oil tank 41, so with described control valve 42 and operating oil tank 41 on fore-and-aft direction mutually near so that when observing from the side described control valve 42 compare with the situation that the part of operating oil tank 41 overlaps, can guarantee in the place ahead of operating oil tank 41 along the long effective pipe arrangement of the loopback space 47 of fore-and-aft direction.The degree of freedom that this can improve the bending etc. of loopback pipe (such as flexible flexible pipe) 45 makes pipe distribution operation become easy.
In addition, as mentioned above, in the operating oil tank 41 of the rear side that is arranged at control valve 42, at the rear portion that near the part of hydraulic pump 40 is operating oil tank 41 intake 41a is set, in the front portion that near the part of control valve 42 is operating oil tank 41 loopback mouth 41b is set, therefore, can effectively shorten suction pipe 44 and the loopback pipe 45 that is connected to this intake 41a and loopback mouth 41b.Thus, can realize the further reduction of pipe arrangement cost, by the reduction effect raising of the pump negative pressure that sucks pipe arrangement 44 generations, the pressure loss of loopback pipe arrangement 45 also reduces.
In addition, described operating oil tank 41 is arranged on the right stringer board 36, being positioned at than the keep left bottom surface of part of side of described right stringer board 36 in this operating oil tank 41 arranges described intake 41a, therefore, need not on right stringer board 36 perforate and suction pipe 44 is passed wherein, become easy so that comprise the pipe distribution operation of hole processing.
The present invention is not limited to embodiment described above.For example, also described operating oil tank 41 can be arranged at the position of more close right clapboard 39, i.e. the rearmost position of device space S2 on the other hand, is arranged at the position of more close operation fixture, the i.e. front position of device space S2 with described control valve 42.In addition, in the present invention, also can be opposite with described embodiment, driver's cabin 31 is arranged at the right front portion of upper frame 30, and device space S2 is arranged at the left front section of upper frame 30, and hydraulic pump 40 is arranged at the right side of engine room 34.And the present invention can also be applied to the engineering machinery beyond the excavator.
Claims (4)
1. engineering machinery is characterized in that comprising:
Lower running body;
The top revolving body is equipped on described lower running body with freely rotating; And
The operation fixture is installed on the front portion of described top revolving body, wherein,
Described top revolving body has: upper frame; Driver's cabin, it is arranged at the part of the either side in the left and right sides of front portion of this upper frame; And engine room, it is formed at the rear portion of upper frame,
In described engine room, be provided with in the both ends of the motor that extends along left and right directions and the left and right directions that is arranged at this motor the hydraulic pump with the end of described driver's cabin same side,
On described upper frame, part with described driver's cabin opposition side in the place ahead of described engine room and on left and right directions is provided with the device space, in this device space, be provided with operating oil tank and control valve, this operating oil tank is accommodated the working oil of being drawn by described hydraulic pump, described control valve control comprises the hydraulic actuator of described operation fixture in the work of interior a plurality of hydraulic actuators
Described operating oil tank be arranged at than described control valve by rear side and at the width of upper frame than this control valve position in the inner part, this operating oil tank is connected by suction pipe with described hydraulic pump.
2. engineering machinery according to claim 1, it is characterized in that: described control valve is connected by the loopback pipe with operating oil tank, returns described operating oil tank from the oil that returns of described hydraulic actuator by described control valve and described loopback pipe.
3. engineering machinery according to claim 2, it is characterized in that: in the mode that allows the integral body of described control valve be positioned at than the forward side of described operating oil tank described control valve and operating oil tank are set, so that be formed for arranging the space of described loopback pipe in the place ahead of operating oil tank.
4. according to claim 2 or 3 described engineering machinery, it is characterized in that: described operating oil tank has to connect the intake and the loopback mouth that is connected connecting described loopback pipe of described suction pipe, described intake is arranged at the rear portion of described operating oil tank, and described loopback mouth is arranged at the front portion of described operating oil tank.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011202975A JP5780078B2 (en) | 2011-09-16 | 2011-09-16 | Construction machinery |
| JP2011-202975 | 2011-09-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102995693A true CN102995693A (en) | 2013-03-27 |
| CN102995693B CN102995693B (en) | 2016-06-01 |
Family
ID=47924748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210348899.7A Active CN102995693B (en) | 2011-09-16 | 2012-09-14 | Engineering machinery |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5780078B2 (en) |
| CN (1) | CN102995693B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898573A (en) * | 2019-03-11 | 2019-06-18 | 黎明职业大学 | A kind of excavator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1030255A (en) * | 1996-07-15 | 1998-02-03 | Komatsu Ltd | Hydraulic fluid tank of hydraulic shovel |
| JP2003020936A (en) * | 2001-07-03 | 2003-01-24 | Komatsu Ltd | ARRANGEMENT STRUCTURE FOR LIQUID REDUCING AGENT TANK FOR NOx REDUCTION CATALYST |
| CN1643223A (en) * | 2002-03-26 | 2005-07-20 | 神钢建设机械株式会社 | Small swing type shovel |
| CN1948636A (en) * | 2005-10-12 | 2007-04-18 | 神钢建设机械株式会社 | Construction machine |
| CN101595284A (en) * | 2007-06-26 | 2009-12-02 | 日立建机株式会社 | Self-propelled engineer machinery |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4515232B2 (en) * | 2004-11-22 | 2010-07-28 | 株式会社クボタ | Swivel work machine |
| KR100974277B1 (en) * | 2008-03-04 | 2010-08-06 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | fixing device of hydraulic pipe of construction machine |
-
2011
- 2011-09-16 JP JP2011202975A patent/JP5780078B2/en active Active
-
2012
- 2012-09-14 CN CN201210348899.7A patent/CN102995693B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1030255A (en) * | 1996-07-15 | 1998-02-03 | Komatsu Ltd | Hydraulic fluid tank of hydraulic shovel |
| JP2003020936A (en) * | 2001-07-03 | 2003-01-24 | Komatsu Ltd | ARRANGEMENT STRUCTURE FOR LIQUID REDUCING AGENT TANK FOR NOx REDUCTION CATALYST |
| CN1643223A (en) * | 2002-03-26 | 2005-07-20 | 神钢建设机械株式会社 | Small swing type shovel |
| CN1948636A (en) * | 2005-10-12 | 2007-04-18 | 神钢建设机械株式会社 | Construction machine |
| CN101595284A (en) * | 2007-06-26 | 2009-12-02 | 日立建机株式会社 | Self-propelled engineer machinery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898573A (en) * | 2019-03-11 | 2019-06-18 | 黎明职业大学 | A kind of excavator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102995693B (en) | 2016-06-01 |
| JP2013064254A (en) | 2013-04-11 |
| JP5780078B2 (en) | 2015-09-16 |
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