CN102740945B - Strainer - Google Patents
Strainer Download PDFInfo
- Publication number
- CN102740945B CN102740945B CN201080062932.9A CN201080062932A CN102740945B CN 102740945 B CN102740945 B CN 102740945B CN 201080062932 A CN201080062932 A CN 201080062932A CN 102740945 B CN102740945 B CN 102740945B
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- CN
- China
- Prior art keywords
- flange
- hole
- screen pack
- main body
- bearing
- 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.)
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Links
- 238000003825 pressing Methods 0.000 claims abstract description 81
- 230000007246 mechanism Effects 0.000 claims description 52
- 230000002787 reinforcement Effects 0.000 claims description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 12
- 238000009434 installation Methods 0.000 description 5
- 238000005058 metal casting Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/28—Strainers not provided for elsewhere
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L45/00—Pipe units with cleaning aperture and closure therefor
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/24—Preventing accumulation of dirt or other matter in the pipes, e.g. by traps, by strainers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/30—Filter housing constructions
- B01D2201/301—Details of removable closures, lids, caps, filter heads
Abstract
The invention enables to simplify and miniaturize the structure of a pressing member so as to miniaturize a strainer, and enable the pressing member to suit the small strainer and improve the universality. The strainer (S) is provided with a body (1) which has a flow path having an inlet (2) and an outlet (3), and also with a cup-like screen (50) which is removably mounted within the flow path of the body (1) and which has an opening. An access hole (10) through which the screen (50) can be inserted and extracted is provided in a sidewall of the body (1). A receiving section (20) which has a receiving surface (21) with which an opening end surface (74c) of the screen (50) is brought into close contact by being pressed thereagainst when the screen is inserted in position is formed on the inner periphery of the inlet (2)-side sidewall of the body (1). A flange (73) is formed at an opening edge (50a) of the screen (50). A protrusion (40) which forms a groove (41) in which the flange (73) is inserted is raised from a sidewall which faces the access hole (10). The strainer is provided with a pressing member (90) for pressing the flange (73), which is inserted in the groove (41), from the access hole (10)-side against the sidewall, which faces the access hole (10), to press the opening end surface (74c) against the receiving surface (21).
Description
Technical field
The present invention relates to filter (strainer), this filter is provided with the screen pack of the foreign body filterings such as the rubbish that comprises in this fluid in the pipeline that water, wet goods fluid flow through.Particularly relate to following filter, that is, the foreign matter of rubbish etc. can not be made to expose from the open outer side of screen pack and reliably can carry out the filter of catching.
Background technology
Under prior art, as this filter, the known filter (publishing in JP Publication, No. 4272907th, special permission) having such as present invention applicant to propose in the past.As shown in Figure 7, this filter Sa possesses the screen pack 210 of main body 200 and cup-shaped, wherein, aforementioned body 200 is provided with the runner with inflow entrance 201 and flow export 202, has opening 211 in the screen pack 210 of above-mentioned cup-shaped is arranged on main body 200 runner in the mode that can load and unload.Main body 200 is formed by the body that its runner is linearly, and is formed on sidewall and picks and places with hole 203 for what put into or take out screen pack 210.
In addition, in the sidewall inner circumferential forming inflow entrance 201 side runner, the receiving portion 205 with bearing plane 204 is formed with.When installing screen pack 210, the open end 212 of screen pack 210 to be pressed against in bearing plane 204 thus to combine closely with bearing plane 204.In addition, the inwall of formation runner is provided with direction protrusion 206, the axis of the screen pack 210 of this direction protrusion 206 with the axis of main body 200 and when inserting is that screen pack 210 is supported and guides by coaxial mode.This direction protrusion 206 be the periphery (bending face) corresponding with the outer peripheral face of screen pack 210 with the bearing surface that screen pack 210 abuts against.In addition, opened or closed by lid 207 and pick and place with hole 203.
In addition, this filter Sa possesses the pressing mechanism 220 be pressed into by the open end 212 of screen pack 210 in the bearing plane 204 of main body 200.This pressing mechanism 220 possesses female threaded portion 221, bolt 224, frustum of a cone portion 225 and pressing component 226.Female threaded portion 221 is arranged on the position of on the inwall of the formation runner of main body 200, to compare screen pack 210 bottom 213 closer to flow export 202 side.The end side 224a of bolt 224 has the outer screw section 222 screwed togather with female threaded portion 221, and another side 224b of bolt 224 has and can carry out by fastener the bolt head 223 that rotates.
Frustum of a cone portion 225 is configured to bolt 224 in coaxial, and has the shape expanded gradually towards another side 224b of bolt 224.Pressing component 226 has the taper surface 226a abutted against with the taper seat 225a in frustum of a cone portion 225, and is pressed in the bearing plane 204 of main body 200 by the open end 212 of screen pack 210 by making bolt 224 screw in female threaded portion 221.In addition, pressing component 226 is formed ring-type, and is fixed on the bottom 213 of screen pack 210.
When screen pack 210 is installed in main body 200, first, lid 207 is taken off and will pick and place and open with hole 203.Then, screen pack 210 is put into main body 200 with hole 203 by picking and placeing and is positioned on direction protrusion 206, and makes the open end 212 of screen pack 210 opposite with the bearing plane 204 of main body 200.Then, pressing mechanism 220 is utilized to be pressed in the bearing plane 204 of main body 200 by the open end 212 of screen pack 210.
In detail, the outer screw section 222 of bolt 224 is screwed in the female threaded portion 221 of main body 200, and utilizes the bolt head 223 of fastener swivel bolt 224, thus bolt 224 is screwed in main body 200.Now, the taper seat 225a in frustum of a cone portion 225 gently presses the taper surface 226a be arranged on pressing component 226 down, and pressing component 226 is fixed on the bottom 213 of screen pack 210, and in addition, screen pack 210 is positioned on direction protrusion 206.Therefore, screen pack 210 can not moving axially along bolt 224, but advance along the bearing surface of direction protrusion 206 to inflow entrance 201 side, thus the open end 212 of screen pack 210 is combined closely with the bearing plane 204 of the receiving portion 205 of main body 200.Then, lid 207 is covered and close with hole 203 with hole 203 will pick and place picking and placeing.
Like this, when fluid from inflow entrance 201 flow into the filter Sa of screen pack 210 is installed time, the foreign matter be blended in this fluid is filtered net 210 and filters out, thus unmixedly has the fluid of foreign matter to flow out from flow export 202.In this situation, because the open end 212 of screen pack 210 is combined closely with the bearing plane 204 of the receiving portion 205 of main body 200, therefore, the foreign matter of rubbish etc. cannot pass between open end 212 and bearing plane 204.Therefore, filter Sa can utilize screen pack 210 reliably to catch the foreign matter of rubbish etc.
In addition, under prior art, as such filter, although not shown but also there is the filter that above-mentioned filter is improved.Filter after this improvement is documented in the patent document 2 (No. 2006-761, JP Publication, JP) that present invention applicant proposed in the past.
Patent document 1: JP Publication, No. 4272907th, special permission
Patent document 2: No. 2006-761, JP Publication, JP
Summary of the invention
But, in this existing filter Sa, bolt 224 is inserted in main body 200, and by bolt 224 screw in be arranged on compare screen pack 210 bottom 213 closer in the female threaded portion 221 on the position of flow export 202 side, utilize this bolt 224 to press the bottom 213 of screen pack 210 thus, thus screen pack 210 is installed in main body 200.That is, because pressing mechanism 220 is more complicated and large-scale structure, therefore, there is the problem correspondingly causing filter Sa entirety also to become maximization.In addition, because pressing mechanism 220 is more complicated and large-scale structure, therefore, also exist and cannot this pressing mechanism 220 is applicable in small-sized filter, the problem that correspondingly poor universality is such.
The present invention is made in view of such problem points, its object is to provide a kind of structure of pressing mechanism that makes to become simple and small-sized thus filter is miniaturized, and pressing mechanism can be applicable in small-sized filter thus to improve the filter of versatility.
In order to reach above-mentioned purpose, filter of the present invention possess main body, cup-shaped screen pack, pick and place with hole and lid, wherein, aforementioned body is provided with the runner with inflow entrance and flow export, there is opening in the screen pack of above-mentioned cup-shaped is arranged on this main body runner in the mode that can load and unload, above-mentioned pick and place be arranged on this main body with hole sidewall on and for carrying out putting into or taking out of above-mentioned screen pack, this picks and places and opens or closes with hole by above-mentioned lid; Further, the sidewall inner circumferential of the formation inflow entrance side runner of aforementioned body is formed with the receiving portion with bearing plane, when installing above-mentioned screen pack, the open end of this screen pack is pressed and combines closely with this bearing plane; This filter is configured to: the flange being formed with ring-type outstanding toward the outer side on the opening edge portion of above-mentioned screen pack; Aforementioned body with pick and place in the side wall side relative with hole, be provided with jut in the mode that the bearing plane of the receiving portion with aforementioned body is opposite, this jut and this bearing plane form the groove that the flange for above-mentioned screen pack inserts jointly; The internal face of the above-mentioned bearing plane side of this jut, be formed obliquely in the mode that the interval between above-mentioned bearing plane and this internal face diminishes gradually along the direction of insertion of above-mentioned flange, thus when above-mentioned flange is inserted in this groove and the neighboring, the back side of this flange abut against; And, this filter is provided with pressing mechanism, wherein, the state that above-mentioned pressing mechanism is inserted in this groove with above-mentioned flange presses this flange towards picking and placeing with this by the side wall side that hole is relative with side, hole from picking and placeing of aforementioned body, and, slidingly contacted by the internal face of the neighboring, the back side and above-mentioned jut that make this flange, the open end of this flange is pressed in above-mentioned bearing plane.
When installing screen pack, screen pack being put into runner by picking and placeing with hole, and the flange of screen pack is inserted in groove, then, pressing flange with side, hole towards with the side wall side picked and placeed with hole is relative from picking and placeing of main body by pressing mechanism.
By like this, the state that flange slidingly contacts with the internal face of the neighboring, the back side of flange and jut enters groove, is applied in thus towards the external force of inflow entrance side.That is, can by from the effect of the power of this internal face, the open end of flange to be shifted onto in bearing plane thus to combine closely with bearing plane.
In this situation, press picking and placeing of flange by pressing mechanism and use side, hole, the internal face of jut can be utilized thus to install screen pack, namely, as prior art pressing mechanism can be formed as such complexity bottom pressing screen pack and large-scale structure, the structure of pressing mechanism can be made to become simple and small-sized, therefore, it is possible to filter is miniaturized.In other words, owing to can easily be applicable to making the installation of screen pack become reliable pressing mechanism in small-sized filter, therefore, it is possible to significantly improve versatility.
And, be configured to as required: projecting in a part for the lateral surface of above-mentioned flange have tongue piece (being also referred to as " pressed portion "), bearing-surface is formed with the outside of the above-mentioned bearing plane in the receiving portion of side, hole above-mentioned the picking and placeing of aforementioned body, and, above-mentioned pressing mechanism is configured to press above-mentioned tongue piece, wherein, above-mentioned tongue piece tilts outside the inflow entrance side direction of aforementioned body from this lateral surface of above-mentioned flange, and above-mentioned bearing-surface supports above-mentioned tongue piece when above-mentioned tongue piece is pressed.
When installing screen pack, making the side being provided with tongue piece of screen pack be positioned at picking and placeing of main body and using side, hole, and be that the flange portion of opposition side is inserted in groove by screen pack with being provided with tongue piece side.Then, by the supporting of this tongue piece on the bearing surface, then, the direction tilted inside inflow entrance side direction by pressing mechanism is by spatula.
Because the lateral surface of tongue piece from flange tilts outside the inflow entrance side direction of main body, therefore, the pressing force of this tongue piece comprises axial component and the component with axially vertical direction, wherein, picking and placeing of the open end of flange is pressed in bearing plane by side, hole part by above-mentioned axial component, and the component in above-mentioned and axial vertical direction presses flange with side, hole towards with the side wall side picked and placeed with hole is relative from picking and placeing of main body.The neighboring, the back side of flange and the internal face of jut should be slidingly contacted with the component in axially vertical direction, thus by the effect from the power of this internal face, being pressed into the open end of flange in bearing plane with the part picked and placeed with side, hole is opposition side.
That is, due to can by axial component and from the power of internal face effect and flange is pressed into bearing plane from the both sides of its circumference, therefore, pressing force plays a role equably.Therefore, it is possible to make the open end of flange and bearing plane combine closely aptly, thus reliably can carry out the pressing of flange.
In addition, be configured to as required: in the symmetric position of the regulation relative to above-mentioned bearing-surface, be provided with multiple above-mentioned jut.
By like this, due to flange is pressed in bearing plane from the position that its comprising circumferentially is provided with more than three of tongue piece position, and, jut is positioned in the symmetric position of regulation relative to bearing-surface, therefore, pressing force plays a role more equably, thus more reliably can carry out the pressing of flange.
In addition, as the symmetric position of regulation, such as can enumerate situation as following, namely, when residing for tongue piece, position is set to 0 °, first jut is arranged on the position of 120 (=180-α (=60)) °, the second jut is arranged on the position of 240 (=180+ α (=60)) °.In addition, above-mentioned α is not limited to 60 °.
And then, be configured to as required: on above-mentioned tongue piece, form the bolt hole supplying this outer screw section of the bolt with outer screw section and bolt head to insert, above-mentioned bearing-surface is formed the female threaded portion screwed in for the outer screw section of bolt, above-mentioned pressing mechanism has bolt, and wherein, above-mentioned bolt has outer screw section and bolt head, and above-mentioned outer screw section to be inserted in above-mentioned bolt hole and to screw in above-mentioned female threaded portion, utilizing above-mentioned bolt head to be pressed on bearing-surface by above-mentioned tongue piece thus.
By like this, this simple element of bolt can be used to form pressing mechanism.Namely, relative to existing pressing mechanism (pressing mechanism 220 of Fig. 7) in such complexity and large-scale structure bottom pressing screen pack, in the present invention, due to the structure of pressing mechanism can be made to become simple and small-sized, therefore, it is possible to filter is miniaturized.And then, owing to can easily be applicable to making the installation of screen pack become reliable pressing mechanism in small-sized filter, therefore, it is possible to significantly improve versatility.
And then be configured to as required: above-mentioned pressing mechanism has elastomeric element, wherein, above-mentioned elastomeric element is arranged on the inner side of above-mentioned lid, and press above-mentioned tongue piece with during hole relative to bearing-surface above-mentioned the picking and placeing of closedown.As elastomeric element, such as, can adopt the spring of rubber or leaf spring etc.
By like this, form pressing mechanism, therefore, it is possible to obtain the effect roughly the same with during above-mentioned use bolt due to this simple element of elastomeric element be arranged on lid can be used.
And, be configured to as required: above-mentioned screen pack has mesh members and screen frame, wherein, above-mentioned mesh members has cylindrical shell and by the base plate of a side opening shutoff of this cylindrical shell, above-mentioned screen frame has above-mentioned flange and keeps above-mentioned mesh members in the mode that can load and unload.
By like this, owing to mesh members and screen frame being formed dividually, and be formed with flange on screen frame, therefore, it is possible to utilize such as metal casting to manufacture flange.That is, because the formation of flange becomes easy, therefore, the manufacture of screen pack becomes extremely easy.
And then, be configured to as required: the cylindrical shell of above-mentioned mesh members can be separated with base plate, above-mentioned screen frame possesses the support ring of ring-type, the flanged ring of ring-type and multiple reinforcement, wherein, the support ring of above-mentioned ring-type has the base plate bearing-surface supporting above-mentioned base plate in the mode that can dismantle, the flanged ring of above-mentioned ring-type forms above-mentioned flange and has the opening with the open end tabling of above-mentioned cylindrical shell, and above-mentioned support ring is connected with flanged ring thus forms the space of accommodating above-mentioned cylindrical shell by above-mentioned multiple reinforcement.
By like this, can be separated with base plate owing to mesh members to be formed as cylindrical shell, therefore, the cleaning of mesh members becomes extremely easy.In addition, because screen frame is made up of support ring, flanged ring and multiple reinforcement, therefore, mesh members becomes large from the area that screen frame exposes.Therefore, it is possible to flow out with making the smooth fluid after utilizing filter screen filtration.
And then, be configured to as required: when the external diameter of above-mentioned cylindrical shell is set to a, when the external diameter of base plate is set to b, the internal diameter of the opening of flanged ring is set to c, be set as a < c < b, further, being arranged to by above-mentioned reinforcement can by above-mentioned base plate from inserting between above-mentioned reinforcement and being installed to the base plate bearing-surface of above-mentioned support ring.
When mesh members is inserted in screen frame, by base plate to be inserted between reinforcement and reinforcement in screen frame and to be arranged on the base plate bearing-surface of support ring, then, cylindrical shell to be inserted in screen frame from the opening of flanged ring and till being pressed to and contacting with base plate, thus mesh members to be inserted in screen frame.
Like this, the external diameter due to base plate is formed to be larger than the external diameter of cylindrical shell, therefore, it is possible to utilize cylindrical shell to push down base plate.That is, due to cylindrical shell and support ring can be utilized to be clamped by base plate, therefore, it is possible to reliably keep base plate.In addition, the external diameter due to cylindrical shell is formed the size of the opening tabling of its open end and flanged ring, therefore, it is possible to reliably keep cylindrical shell by flanged ring.
(invention effect)
According to filter of the present invention, due to the structure of pressing mechanism can be made to become simple and small-sized, therefore, it is possible to filter is miniaturized.And then, owing to can easily be applicable to making the installation of filter become reliable pressing mechanism in small-sized filter, therefore, it is possible to significantly improve versatility.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view representing the filter that embodiments of the present invention relate to.
Fig. 2 combines operation when screen pack being put into main body to represent the side cutaway view of the filter that embodiments of the present invention relate to.
Fig. 3 is the side cutaway view of the filter related to state representation embodiments of the present invention screen pack being put into main body.
Fig. 4 is the side cutaway view representing the filter that embodiments of the present invention relate to the assembled state of cover lid.
Fig. 5 is the main pseudosection in local representing the filter that embodiments of the present invention relate to the assembled state of cover lid.
Fig. 6 is the side cutaway view representing the filter that another embodiment of the present invention relates to.
Fig. 7 is the schematic diagram of an example of existing filter.
Detailed description of the invention
Below, with reference to the accompanying drawings the filter (strainer) that embodiments of the present invention relate to is described.
Fig. 1 to Fig. 5 represents the filter S that embodiments of the present invention relate to.
This filter S possesses the screen pack 50 of main body 1 and cup-shaped, and wherein, aforementioned body 1 is provided with the runner with inflow entrance 2 and flow export 3, has opening in the screen pack 50 of above-mentioned cup-shaped is arranged on main body 1 runner in the mode that can load and unload.Describe in detail about after this screen pack 50, but this screen pack 50 has the flange 73 of ring-type outstanding toward the outer side on its opening edge portion 50a.In addition, projecting in a part for the lateral surface of this flange 73 have tongue piece 80, and this tongue piece 80 tilts outside the inflow entrance side direction of main body 1 from the lateral surface of this flange 73.This tongue piece 80 is generally roughly rectangular flat board.
Main body 1 is the linearly body of its runner, and is formed by metal casting.In the inflow entrance 2 and flow export 3 of this main body 1, be formed with the negative thread 4 for main body 1 being installed on other bodys (not shown) that fluid flows through respectively.In addition, the sidewall of this main body 1 is provided with and picks and places with hole 10 for what put into or take out screen pack 50.This picks and places and is formed circle with hole 10, and, the edge with hole 10 is provided with outstanding toward the outer side the picking and placeing with bore edges portion 11 from edge picking and placeing.
In addition, filter S of the present invention is provided with and main body 1 is picked and placeed the lid 5 opened or closed with hole 10.This lid 5 is formed by the metal casting identical with main body 1, and has and pick and place by the corresponding shape of the bearing surface 7 in bore edges portion 11.In addition, pick and place with in bore edges portion 11 in the position everywhere that equally spaced configures on be formed with negative thread 11a for fixed cover 5, the position corresponding with negative thread 11a of lid 5 forms porose 5a.The bolt 6 with bolt head 6a is inserted in the 5a of this hole, and bolt 6 is fastened in negative thread 11a, thus lid 5 is fixed.In addition, the liner (packing) 8 of ring-type is installed between lid 5 and main body 1.This liner 8 is set up and the end difference 10a tabling being formed at the edge of opening picked and placeed with hole 10.
In addition, the sidewall inner circumferential of formation inflow entrance 2 side runner of main body 1 is formed with the receiving portion 20 with bearing plane 21, when installing screen pack 50, the open end 74c of screen pack 50 is pressed and combines closely with this bearing plane 21.And then be formed with bearing-surface 30 picking and placeing of main body 1 with the outside of the bearing plane 20 in side, hole 10 receiving portion 20, this bearing-surface 30 supports this tongue piece 80 when the tongue piece 80 of screen pack 50 is pressed.This bearing-surface 30 is formed relative with the tongue piece 80 tilted (that is, tilting inside flow export 3 side direction of main body 1 when observing from inflow entrance 2 side).In addition, on the central part of this bearing-surface 30, the female threaded portion 31 that the outer screw section 91 being formed with the bolt 91 being provided as aftermentioned pressing mechanism 90 screws in.
And then, in the side wall side relative with picking and placeing use hole 10 of main body 1, be provided with jut 40 in the mode that the bearing plane 21 of the receiving portion 20 with main body 1 is opposite.Jut 40 forms with bearing plane 21 groove 41 supplying the flange 73 of screen pack 50 to insert jointly.The mode that the internal face 40a of bearing plane 21 side of this jut 40 diminishes along the direction of insertion of flange 73 gradually with the interval between bearing plane 21 and internal face 40a is formed obliquely, thus when the flange 73 of screen pack 50 is inserted in groove 41 and neighboring, the back side 73a of flange 73 abut against.In addition, in the present embodiment, as shown in Figure 5, a pair jut 40 is arranged in the symmetric position (that is, symmetrical relative to the virtual vertical line through bearing-surface 30 position) of regulation relative to bearing-surface 30.
Then, screen pack 50 is described in detail.This screen pack 50 is arranged in the runner of main body 1 in the mode that can load and unload, and is formed the cup-shaped with opening 61b.In addition, screen pack 50 is provided with mesh members 60 and screen frame (frame) 70 and forms, wherein, above-mentioned mesh members 60 has cylindrical shell 61 and by the base plate 62 of a side opening 61a shutoff of cylindrical shell 61, above-mentioned screen frame 70 has flange 73 and keeps mesh members 60 in the mode that can load and unload.
Mesh members 60 is formed by the metal of such as stainless steel etc., and the cylindrical shell 61 being formed its cylindrical shape can be separated with discoideus base plate 62.In addition, although not shown, cylindrical shell 61 and base plate 62 are provided with multiple aperture, flow through the fluid of runner through this aperture.And then in the inner side of mesh members 60, the foreign matter be provided with flowing through the rubbish that comprises in the fluid of runner etc. filters and the net be separated (not shown).This net (not shown) uses more than such as 100 orders (mesh) (having 1 × 104 hole per square inch) and mesh is of a size of the net of below 0.15mm.Can be separated with base plate 62 due to mesh members 60 is formed as cylindrical shell 61, therefore, the cleaning of mesh members 60 is extremely easy.
Screen frame 70 possesses the support ring 72 of ring-type, the flanged ring 74 of ring-type and multiple reinforcement 75 (being four in the present embodiment), wherein, the support ring 72 of above-mentioned ring-type has the base plate bearing-surface 71 of the mode bearing plate 62 dismantling, the flanged ring 74 of above-mentioned ring-type forms flange 73 and has the opening 74a with the open end 61c tabling of the opposite side opening 61b of cylindrical shell 61, and support ring 72 is connected with flanged ring 74 thus forms the space of accommodating cylindrical shell 61 by above-mentioned multiple reinforcement 75.
This support ring 72, flanged ring 74 and multiple reinforcement 75 are foundry goods of stainless steel, and in being formed integratedly.Mesh members 60 and screen frame 70 are formed dividually, screen frame 70 is formed flange 73, and flange 73 is made up of metal casting.By like this, the formation of flange 73 becomes easy, and therefore, the manufacture of screen pack 50 becomes extremely easy.
Projecting in a part of the lateral surface 74b of flanged ring 74 have tongue piece 80, and this tongue piece 80 tilts outside inflow entrance 2 side direction of main body 1 from the lateral surface 74b of flanged ring 74.This tongue piece 80 is formed with bolt hole 81, this bolt hole 81 for be threaded in bearing-surface 30, insert as the outer screw section 91a of the bolt 91 of aftermentioned pressing mechanism 90.
In addition, in this screen pack 50, when the external diameter of cylindrical shell 61 being set to a, the external diameter of base plate 62 being set to b, the internal diameter of the opening of flanged ring 74 is set to c, be set to a < c < b, further, reinforcement 75 is configured to base plate 62 from inserting between reinforcement 75 and being arranged on the base plate bearing-surface 71 of support ring 72.
In addition, filter S of the present embodiment possesses pressing mechanism 90, this pressing mechanism 90 presses the flange 73 (or, be alternatively the flange 73 keeping screen pack 50 with the state pressed towards prescribed direction (direction tilted inside inflow entrance 2 side direction of main body 1 when observing from flow export 3 side)) of screen pack 50.This pressing mechanism 90 is mechanisms as following, namely, flange 73 is pressed with side, hole 10 towards with the side wall side picked and placeed with hole 10 is relative from picking and placeing of main body 1 with the state that the flange 73 of screen pack 50 is inserted in groove 41, further, slidingly contacted by the internal face 40a of neighboring, the back side 73a and jut 40 that make flange 73 and the open end 74c of flange 73 is pressed in bearing plane 21.
This pressing mechanism 90 is formed by the bolt 91 of spatula 80 by towards prescribed direction (direction tilted inside inflow entrance 2 side direction of main body 1 when observing from flow export 3 side).This bolt 91 has outer screw section 91a and bolt head 91b, and, outer screw section 91a inserted in the bolt hole 81 of tongue piece 80 and is screwed in the female threaded portion 31 of bearing-surface 30, by bolt head 91b, tongue piece 80 being pressed on bearing-surface 30 thus.
In addition, the retaining member 92 of U-shaped is provided with in bearing surface 82 side abutted against with bearing-surface 30 of tongue piece 80, the retaining member 92 of this U-shaped comes off from bolt hole 81 for preventing the bolt 91 inserted in bolt hole 81, is made bolt 91 subsidiary on tongue piece 80 by this retaining member 92.
In addition, as shown in Figure 3, retaining member 92 (being the bearing surface 82 of tongue piece 80 when not arranging retaining member 92) also can not abut against with bearing-surface 30, as long as bolt 91 can keep the flange 73 of screen pack 50 with the state pressed towards prescribed direction (direction tilted inside inflow entrance 2 side direction of main body 1 when observing from flow export 3 side).
Therefore, in filter S of the present embodiment, carry out as follows when screen pack 50 is installed in main body 1.
First, mesh members 60 is installed in screen frame 70, thus assembling filter net 50.In detail, by base plate 62 to insert between reinforcement 75 and reinforcement 75 in screen frame 70 and to be arranged on the base plate bearing-surface 71 of support ring 72, then, cylindrical shell 61 to be inserted in screen frame 70 and till being pressed to and contacting with base plate 62 from the opening 74a of flanged ring 74.
By like this, the external diameter due to base plate 62 is formed to be larger than the external diameter of cylindrical shell 61, therefore, it is possible to utilize cylindrical shell 61 to push down base plate 62.That is, due to cylindrical shell 61 and support ring 72 can be utilized to be clamped by base plate 62, therefore, it is possible to reliably keep base plate 62.In addition, the external diameter due to cylindrical shell 61 is formed the size of the opening 74a tabling of its open end 61c and flanged ring 74, therefore, it is possible to reliably keep cylindrical shell 61 by flanged ring 74.
Next, lid 5 is removed and will pick and place and open with hole 10, and the screen pack 50 after assembling is put into runner by picking and placeing with hole 10.Now, what make the side being provided with tongue piece 80 of screen pack 50 be positioned at main body 1 picking and placeing with side, hole 10, and is that the flange 73 of opposition side inserts in groove 41 by screen pack 50 with being provided with tongue piece 80 side, and makes tongue piece 80 near bearing-surface 30.
Then, utilize pressing mechanism 90 by spatula 80, press flange 73 with side, hole 10 towards with the side wall side picked and placeed with hole 10 is relative from picking and placeing of main body 1 thus.In detail, utilize fastener that the bolt head 91b of bolt 91 is rotated, thus outer screw section 91a is locked in the female threaded portion 31 of bearing-surface 30, utilize bolt head 91b to be pressed on bearing-surface 30 by tongue piece 80 thus.
At this, because the lateral surface 74b of tongue piece 80 from flanged ring 74 tilts outside inflow entrance 2 side direction of main body 1, therefore, axial component Wa and the component Wb with axially vertical direction is produced by the pressing force W (with reference to Fig. 3) of this tongue piece 80, wherein, picking and placeing of the open end 74c of flanged ring 74 is pressed in bearing plane 21 by side, hole 10 part by above-mentioned axial component Wa, and the component Wb in above-mentioned and axial vertical direction presses flanged ring 74 with side, hole 10 towards with the side wall side picked and placeed with hole 10 is relative from picking and placeing of main body 1.
Neighboring, the back side 73a of the flange 73 and internal face 40a of jut 40 should be slidingly contacted with the component Wb in axially vertical direction, thus can by the effect from the power of this internal face 40a, is that opposition side part is pressed in bearing plane 21 by the open end 74c of flanged ring 74 with picking and placeing with side, hole 10.By like this, the state that flange 73 slidingly contacts with the internal face 40a of neighboring, the back side 73a of flange 73 and jut 40 enters in groove 41, is applied in thus towards the external force of inflow entrance 2 side.
That is, by the effect from the power of the internal face 40a be arranged on two positions, place, the open end 74c of flange 74 can be shifted onto in bearing plane 21, thus combines closely with bearing plane 21.That is, owing to being pressed into bearing plane 21 from the both sides of its circumference by flange 73, therefore, pressing force plays a role equably, reliably can carry out the pressing of flange 73 thus.
In addition, as mentioned above, by the effect of the component Wa of axis, picking and placeing of the open end 74c of flanged ring 74 is shifted onto in bearing plane 21 by side, hole 10 part, thus combines closely with bearing plane 21.
Like this, filter S of the present embodiment, is pressed into flange 73 in bearing plane 21 from its three positions comprising the position being provided with tongue piece 80 circumferentially.And because jut 40 is positioned in the symmetric position of regulation relative to bearing-surface 30, therefore, pressing force plays a role more equably, thus reliably can carry out the pressing (pressing under the state maintaining adaptation) of flange 73.
In this situation, press picking and placeing of flange 73 by pressing mechanism 90 and use side, hole 10, the internal face 40a of jut 40 can be utilized thus to install screen pack 50, in addition, owing to pressing mechanism 90 can be formed with this simple element of bolt 91, therefore, as prior art pressing mechanism can be formed as pressing the such complexity in the bottom of screen pack 50 and large-scale structure, thus the structure of pressing mechanism 90 can be made to become simple and small-sized, therefore, it is possible to filter S is miniaturized.In other words, owing to can easily be applicable in small-sized filter S, therefore, it is possible to significantly improve versatility by making the installation of screen pack 50 become reliable pressing mechanism 90.
Then, lid 5 is covered and close with hole 10 with hole 10 will pick and place picking and placeing.
Like this, when fluid is provided with the filter S of screen pack 50 from inflow entrance 2 inflow, the foreign matter be blended in this fluid is filtered net 50 and filters out, and the fluid after filtration flows out from flow export 3.In this situation, because screen frame 70 is made up of support ring 72, flanged ring 74 and multiple reinforcement 75, therefore, mesh members 60 becomes large from the area that screen frame 70 exposes.Therefore, it is possible to flow out with making the smooth fluid after utilizing screen pack 50 to filter.
In addition, because the bearing plane 21 of the open end 74c of screen pack 50 and the receiving portion 20 of main body 1 is combined closely, therefore, the foreign matter of rubbish etc. cannot pass between open end 74c and bearing plane 21.Therefore, filter S can utilize screen pack 50 reliably to catch the foreign matter of rubbish etc.
The filter S that another embodiment of the present invention relates to is represented in Fig. 6.This filter S and above-mentioned embodiment are formed substantially in the same manner, but the formation of pressing mechanism 90 grade is different from the embodiment described above.
This pressing mechanism 90 is in the formation with elastomeric element (in the present embodiment for leaf spring 93), and wherein, above-mentioned elastomeric element is arranged on the inner side of lid 5, and closedown pick and place with during hole 10 relative to bearing-surface 30 by spatula 80.Leaf spring 93 is fixed on the back side of lid 5 by bolt 94 with its one end, the mode that the upper surface of the tongue piece 80 of the other end and screen pack 50 abuts against is by bending.
The state that this leaf spring 93 plays a role towards prescribed direction (direction that above-mentioned pressing force W plays a role) with its elastic force contacts with the upper surface of the tongue piece 80 of screen pack 50.In addition, as elastomeric element, such as, can adopt rubber or helical spring.
In this filter S, when screen pack 50 is installed in main body 1, lid 5 is removed and will pick and place and open with hole 10, and screen pack 50 is put into runner by picking and placeing with hole 10.Now, what make the side being provided with tongue piece 80 of screen pack 50 be positioned at main body 1 picking and placeing with side, hole 10, and is opposition side with the side being provided with tongue piece 80 flange 73 inserts in groove 41 by screen pack 50, and makes tongue piece 80 near bearing-surface 30.
Then, lid 5 is covered and close with hole 10 with hole 10 will pick and place picking and placeing.Now, by being arranged on the effect of the leaf spring 93 as elastomeric element inside lid 5, tongue piece 80 is pressed on bearing-surface 30.By the pressing (effect by the elastic force roughly the same with above-mentioned pressing force W) of this tongue piece 80, press flange 73 with side, hole 10 towards with the side wall side picked and placeed with hole 10 is relative from picking and placeing of main body 1.
In this situation, use as pressing mechanism 90 this simple element of leaf spring 93 be arranged on lid 5.Therefore, relative to the bottom such complexity of existing pressing mechanism (pressing mechanism 220 of Fig. 7) in pressing screen pack 210 and large-scale structure, in the present invention, due to the structure of pressing mechanism 90 can be made to become simple and small-sized, therefore, it is possible to filter S is miniaturized.And then, owing to can easily be applicable in small-sized filter S, therefore, it is possible to significantly improve versatility by making the installation of screen pack 50 become reliable pressing mechanism 90.In addition, other effect, effect are identical with above-mentioned embodiment.
In addition, in the above-described embodiment, more than 100 orders are used and mesh is of a size of the net of below 0.15mm, but, might not be limited to this, as long as the foreign body filtering flowing through the rubbish that comprises in the fluid of runner etc. can be separated, also can suitably change.
In addition, the length of the circumferencial direction of jut 40, size or quantity are not limited to above-mentioned situation, also can suitably change.
Above, several embodiments of the present invention are illustrated in detail, but those skilled in the art does not easily substantially depart from changes additional a large amount of in the inherent above-mentioned embodiment illustratively of scope of the new teaching of the present invention and effect.Therefore, these a large amount of changes are also included within the scope of the present invention.
Literature content described in this description is all applied at this.
Claims (5)
1. a filter, it possesses:
Main body, it is provided with the runner with inflow entrance and flow export;
The screen pack of cup-shaped, it to be arranged in the runner of this main body in the mode that can load and unload and to have opening;
Pick and place with hole, on its sidewall being arranged on this main body and for carrying out putting into or taking out of described screen pack; And
This is picked and placeed the lid opened or closed with hole;
The sidewall inner circumferential of the runner of the formation inflow entrance side of described main body is formed with the receiving portion with bearing plane, and when installing described screen pack, the open end of this screen pack is pressed and combines closely with described bearing plane;
The feature of described filter is,
The opening edge portion of described screen pack is formed the flange of ring-type outstanding toward the outer side;
Described main body with pick and place by the relative side wall side in hole, jut is provided with in the mode that the bearing plane of the receiving portion with described main body is opposite, this jut and this bearing plane form the groove supplying the flange of described screen pack to insert jointly, and, the mode that the internal face of the described bearing plane side of this jut diminishes along the direction of insertion of described flange gradually with the interval between described bearing plane and this internal face is formed obliquely, thus when described flange is inserted in this groove and the neighboring, the back side of this flange abut against;
A part for the lateral surface of described flange is formed with tongue piece;
Pick and place the outside by the described bearing plane in the receiving portion of side, hole described in described main body, be formed with the bearing-surface supporting described tongue piece;
Further, described filter is provided with the pressing mechanism pressing described tongue piece;
Described tongue piece is by projecting obliquely outside the inflow entrance side direction of described main body from the lateral surface of described flange, to produce axial component Wa and the component Wb with axially vertical direction when utilizing described pressing mechanism to press described tongue piece, wherein, utilizing described axial component Wa to be pressed in described bearing plane by picking and placeing described in described flange by side, hole part, utilizing the component Wb in the described direction vertical with axis to pick and place with side, hole towards pressing described flange by the side wall side that hole is relative with picking and placeing from described;
And, described filter is configured to: under the state that described flange is inserted in described groove, this flange is pressed towards picking and placeing with this by the side wall side that hole is relative with side, hole from picking and placeing of described main body by utilizing described pressing mechanism to press described tongue piece, and, slidingly contacted by the internal face of the neighboring, the back side and described jut that make this flange, the open end of this flange is pressed in described bearing plane.
2. filter as claimed in claim 1, is characterized in that,
Described pressing mechanism be its one end be fixed on the inner side of described lid and the other end by the leaf spring of bending, when closing described lid, the described other end presses described tongue piece relative to described bearing-surface.
3. filter as claimed in claim 1, is characterized in that,
On described tongue piece, be formed with the bolt hole supplying this outer screw section of the bolt with outer screw section and bolt head to insert;
On described bearing-surface, be formed with the female threaded portion that the outer screw section for bolt screws in;
Described pressing mechanism has bolt, and wherein, described bolt has outer screw section and bolt head, and, described outer screw section to be inserted in described bolt hole and to screw in described female threaded portion, utilizing described bolt head to be pressed on bearing-surface by described tongue piece thus.
4. the filter according to any one of claims 1 to 3, is characterized in that,
Described screen pack has mesh members and screen frame, and wherein, described mesh members has cylindrical shell and by the base plate of a side opening shutoff of this cylindrical shell, described screen frame has described flange and keeps described mesh members in the mode that can load and unload;
The cylindrical shell of described mesh members can be separated with base plate;
Described screen frame has the support ring of ring-type, the flanged ring of ring-type and multiple reinforcement,
The support ring of described ring-type has the base plate bearing-surface supporting described base plate in the mode that can dismantle,
The flanged ring of described ring-type forms described flange and has the opening with the open end tabling of described cylindrical shell,
Described support ring is connected with flanged ring by multiple described reinforcement, thus forms the space of the described cylindrical shell of collecting;
When the external diameter of described cylindrical shell is set to a, when the external diameter of base plate is set to b, the internal diameter of the opening of flanged ring is set to c, be set as a < c < b, further, being arranged to by described reinforcement can by described base plate from inserting between described reinforcement and being arranged on the base plate bearing-surface of described support ring.
5. filter as claimed in claim 2 or claim 3, is characterized in that, the position symmetrical relative to the virtual vertical line through described bearing-surface is provided with two described juts.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2010/000786 WO2011099050A1 (en) | 2010-02-09 | 2010-02-09 | Strainer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102740945A CN102740945A (en) | 2012-10-17 |
| CN102740945B true CN102740945B (en) | 2014-12-31 |
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| CN201080062932.9A Active CN102740945B (en) | 2010-02-09 | 2010-02-09 | Strainer |
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| Country | Link |
|---|---|
| JP (1) | JP5487113B2 (en) |
| KR (1) | KR101622769B1 (en) |
| CN (1) | CN102740945B (en) |
| WO (1) | WO2011099050A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6068822B2 (en) * | 2011-10-28 | 2017-01-25 | 株式会社キッツ | strainer |
| CN105257529A (en) * | 2015-11-11 | 2016-01-20 | 无锡万象工业设计有限公司 | Oil filter tube with visible and multilayer filter screens |
| CN108368960B (en) * | 2015-12-07 | 2020-01-14 | 日东工器株式会社 | Male joint member |
| JP6514178B2 (en) * | 2016-11-14 | 2019-05-15 | テラル株式会社 | Strainer device |
| JP6684430B1 (en) * | 2019-05-15 | 2020-04-22 | スリーエム工業株式会社 | In-line strainer |
| KR102410225B1 (en) * | 2020-07-03 | 2022-06-20 | 신우밸브 주식회사 | Suction diffuser for easy screen withdrawal and insertion |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4582605A (en) * | 1984-05-07 | 1986-04-15 | R-P & C Valve Inc. | In-line pipeline strainer |
| CN1714907A (en) * | 2004-06-17 | 2006-01-04 | 株式会社弁阀门 | Filter |
| JP3145305U (en) * | 2008-07-24 | 2008-10-02 | ワシノ機器株式会社 | strainer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6244726Y2 (en) * | 1981-01-20 | 1987-11-27 | ||
| JPS602893B2 (en) * | 1981-04-24 | 1985-01-24 | 松下電工株式会社 | Strainer |
| JP3872888B2 (en) * | 1998-03-03 | 2007-01-24 | 原田 洋一 | strainer |
| JP2000342908A (en) * | 1999-06-03 | 2000-12-12 | Kokensha:Kk | Strainer element |
| JP4420333B2 (en) * | 2004-06-11 | 2010-02-24 | ホーチキ株式会社 | Strainer equipment |
| JP4259413B2 (en) * | 2004-07-26 | 2009-04-30 | パナソニック電工株式会社 | Strainer equipment |
-
2010
- 2010-02-09 KR KR1020127020241A patent/KR101622769B1/en active IP Right Grant
- 2010-02-09 JP JP2010537191A patent/JP5487113B2/en active Active
- 2010-02-09 WO PCT/JP2010/000786 patent/WO2011099050A1/en active Application Filing
- 2010-02-09 CN CN201080062932.9A patent/CN102740945B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4582605A (en) * | 1984-05-07 | 1986-04-15 | R-P & C Valve Inc. | In-line pipeline strainer |
| CN1714907A (en) * | 2004-06-17 | 2006-01-04 | 株式会社弁阀门 | Filter |
| JP3145305U (en) * | 2008-07-24 | 2008-10-02 | ワシノ機器株式会社 | strainer |
Non-Patent Citations (3)
| Title |
|---|
| JP昭57-177313A 1982.11.01 * |
| JP特开2000-342908A 2000.12.12 * |
| JP特开平11-244622A 1999.09.14 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20120125484A (en) | 2012-11-15 |
| JPWO2011099050A1 (en) | 2013-06-13 |
| KR101622769B1 (en) | 2016-05-19 |
| WO2011099050A1 (en) | 2011-08-18 |
| JP5487113B2 (en) | 2014-05-07 |
| CN102740945A (en) | 2012-10-17 |
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