CN201588103U - Lower water-pressure automatic washing machine - Google Patents
Lower water-pressure automatic washing machine Download PDFInfo
- Publication number
- CN201588103U CN201588103U CN2009201579779U CN200920157977U CN201588103U CN 201588103 U CN201588103 U CN 201588103U CN 2009201579779 U CN2009201579779 U CN 2009201579779U CN 200920157977 U CN200920157977 U CN 200920157977U CN 201588103 U CN201588103 U CN 201588103U
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- Prior art keywords
- water
- diaphragm plate
- washing machine
- hydraulic pressure
- piston
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- Expired - Lifetime
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The utility model discloses a lower water-pressure automatic washing machine, which comprises a water inlet valve. The water inlet valve comprises a valve body, a valve seat, a diaphragm plate, a piston, a spring, and a solenoid coil. The valve body is provided with a water supplying room, a water discharging room, and a pressure room; the valve seat is located between the water supplying room and the water discharging room; the pressure room is located at one side of the diaphragm plate, and the water supplying room and the water discharging room are located at the other side of the diaphragm plate. The piston is provided with a lug boss which is embedded into the diaphragm plate through an opening part of the diaphragm plate. The lower water-pressure automatic washing machine solves the problem that the water inlet valve of the washing machine is not easy to open under low water pressure, increases water inlet flow rate under low water pressure, and shortens water inlet time.
Description
Technical field:
The utility model relates to a kind of automatic washing machine, especially a kind of low hydraulic pressure automatic washing machine.
Background technology:
A lot of at present areas are lower because of tap water hydraulic as the rural area, or the lack of water and the undesired area of supplying water, use water tank to come retaining, cause water outlet hydraulic pressure lower, existing common automatic washing machine is because of the normal water inlet that can not realize under the low pressure, under the low hydraulic pressure as 0.02Mpa below, water intaking valve is water outlet hardly, cause automatic washing machine can not normally use in low hydraulic pressure area, or because flooding time is very long, advance a water generally needs to expend 20 fens kinds more, and a program expended near 1 hour more, lost time.Existing a kind of zero hydraulic pressure washing machine is by increasing by a pulsating pump water to be extracted in the washing machine.
The patent No. is that the utility model patent of CN200520080919 discloses a kind of zero hydraulic pressure washing machine by the pulsating pump mode, comprise washing machine and washing machine control panel, relay is installed in the washing machine shell, relay is connected with the washing machine control panel, relay is connected with immersible pump with entering water electromagnetic valve respectively by lead, and the delivery port of immersible pump is connected with the washing machine water filling port.
The patent No. is that 200720131325.9 patent of invention discloses the water intaking valve structure of using under a kind of low hydraulic pressure environment.It makes iron core can not break away from diaphragm plate fully by increasing a pair of suspension arrangement on the diaphragm plate in valve body.And when rear side drags, can be opened diaphragm plate by suspension arrangement simultaneously by electromagnetic valve when iron core, and the low pressure current are passed through smoothly, effectively increase the low pressure water flow.
But above-mentioned technical pattern complexity, cost is very high, is not suitable for not too well-to-do rural area of economy or water-deficient area.
The water intaking valve of washing machine employing at present is to adopt to exchange control basically, adopt low hydraulic pressure washing machine of the present utility model because the piston cap on the water intaking valve adopts the gap to be connected with diaphragm plate, adopt when exchanging control, owing to exchange the characteristic of control, piston cap can be along with the variation of electric voltage frequency, in the activity space of diaphragm plate, shake, thereby produce sound.
The utility model content:
The purpose of this utility model is to find a kind of can the assurance under low hydraulic pressure, below 0.2Mpa, by changing existing water intaking valve structure and control mode, can be implemented in the big flow water inlet under the low hydraulic pressure, satisfies the automatic washing machine demand.The washing machine of taking into account simultaneously under the normal hydraulic pressure situation uses, and makes it more to be applicable to vast rural market.Avoid piston cap in the diaphragm plate activity space, to shake the sound of generation simultaneously.
The utility model is achieved through the following technical solutions:
A kind of automatic washing machine, comprise a water intaking valve, described water intaking valve comprises valve body 1, valve seat 103, diaphragm plate 3, piston 5, spring 6, solenoid 7, described valve body 1 is provided with water supply chamber 101, water-supplying chamber 102, back pressure chamber 104, described valve seat 103 is between described water supply chamber 101 and described water-supplying chamber 102, described back pressure chamber 104 is positioned at a side of described diaphragm plate 3, described water supply chamber 101 and described water-supplying chamber 102 are positioned at the opposite side of described diaphragm plate 3, it is characterized in that: described piston 5 is provided with lug boss 501, and described lug boss 501 is embedded in the described diaphragm plate 3 by the peristome 3041 on the described diaphragm plate 3.
Described diaphragm plate 3 is bowl-shape, and its small end matches towards described water-supplying chamber 102 and with described valve seat 103.
Be provided with mobile space 3042 in the described diaphragm plate 3, described lug boss 501 is positioned at described mobile space 3042, and can in described mobile space 3042, move a segment distance and not collide by easy on and off with diaphragm plate 3, the described segment distance that moves freely, for greater than 0.5mm, less than the stroke of described piston 5.
Described valve seat 103 is combined with barrier film 2, and the center of described barrier film 2 is provided with perforation 201, also is provided with conduit 4 on the described valve body 1, and withhold in the sealing of described barrier film 2 peripheries the lower end that described conduit 4 radially extends out; The central part of described diaphragm plate 3 has been opened described bullport 302, and the periphery of described diaphragm plate 3 has been opened described side stream passages 303, and described water supply chamber 101 is communicated with described back pressure chamber 104 by described side stream passages 303; Described solenoid 7 is located at described conduit 4 peripheries, and described solenoid 7 outsides constitute magnetic circuit by described support 9, is provided with described piston 5 in the described conduit 4, and described piston 5 heads are connected with piston cap 8, and described piston 5 rear ends withstand on the described spring 6.
Described diaphragm plate 3 comprises dividing plate A and dividing plate B, and described side stream passages 303 comprises the crushing chamber that water inlet, dividing plate A and the dividing plate B on the dividing plate B is chimeric and form, the back pressure chamber inflow entrance on the dividing plate A.
The neighboring of described diaphragm plate 3 is provided with one or several projectioies 34, has embeded slot 3401 on described protruding 34, and the neighboring of described barrier film 2 has the hole, and described embeded slot 3401 is embedded in the described hole.
The radial section of described piston crown is rectangle or " recessed " shape; The radial section of described piston cap is " recessed " shape or rectangle.
Described solenoid 7 is connected with DC circuit, the motion of the open and close controlling piston 5 by described DC circuit.
Described water intaking valve also comprise by lever 1005, water shutoff rubber bat 1006, water shutoff clap cover 1007, hydraulic pressure difference water shutoff member that water shutoff bat core 1008 is formed, be provided with filter assemblies 1004 in the described valve body 1.
Described filter assemblies 1004 comprises filter seat and filter screen wherein, and it is installed between water supply joint 1015 and the hydraulic pressure difference water shutoff member, and its valve body makes up in aggregates with filter assemblies by being connected of attaching nut.
The water intaking valve of conventional washing machine can not realize that the reason of the big flow under the low hydraulic pressure is: the sealing of electromagnet water supply valve (stream is closed) action is as follows: solenoid 7 outages, by being located at the elastic force of conduit 4 inner springs 6, make piston 5 drive the piston cap return, block the center bullport 302a of diaphragm plate, the fluid that flows into back pressure chamber 104d from the other hole c of diaphragm plate can't flow out from bullport 302a, pressure in the back pressure chamber 104d rises, when the active force that imposes on barrier film 2 when the water in the back pressure chamber 104d imposes on the active force of barrier film 2 greater than the water in the intake chamber b, the barrier film 2 and the diaphragm plate that break away from from valve seat f are pushed back valve seat f, and water is stopped.The pressure differential that relies on area S1 to be produced during high hydraulic pressure can be guaranteed to keep sealing between barrier film 2 and the valve seat, sees Fig. 1.
Suppose that the sealing force from water that barrier film 2 was subjected to when water pressure was P=0.1Mpa is calculated as follows:
Suppose that the 102e of water-supplying chamber diameter is 9 millimeters, then cross-sectional area S1 is 0.64cm2,
F＝P×S1＝0.1×0.64×10000＝640g
But hydraulic pressure is very low when reaching zero hydraulic pressure even, and the pressure differential that area difference produced is very little, and the pressure during such as 0.001Mpa (10cm head height) then is 6.4g;
So little sealing force can not guarantee the sealing of 103 of barrier film 2 and valve seats, so generally give barrier film 2 certain initial deformation amount, relies on the recuperability of barrier film 2 rubber to increase the sealing property of barrier film 2 and valve seat 103.Be arranged on 150g such as initial deformation power, so just can solve the sealing problem under the low hydraulic pressure situation.
But, this guiding electromagnet water supply valve is opened under low hydraulic pressure and is but had problems aspect the valve, iron core is subjected to electromagnetic attraction, diaphragm plate center bullport 302 is opened, when the pressure of back pressure chamber 104 discharges, the pressure differential of water supply chamber 101 and back pressure chamber 104 (hydraulic pressure * S2) must just can force barrier film 2 to lift off a seat 103 and open valve greater than the aforementioned sealing starting force of barrier film 2, and it is as follows to open barrier film 2 needed calculation of pressure:
P＝F/S2
S2 is assumed to be 1.5cm2,
P＝(150/1.5)÷10000＝0.01Mpa
Reach the pressure balance point even be about as much as the high hydraulic pressure of 100cm head, (general 0.01Mpa～0.03Mpa) barrier film 2 can't be opened fully in certain low pressure range, can only produce slight gap on the valve seat 103, can not open valve even at all, water can only flow out from center bullport 302 on trace ground, flow is very little, and such performance can not satisfy the instructions for use at hydraulic pressure area on the low side (such as the part remote countryside).
The utility model has solved the stubborn problem of water intake valve of washing machine under the low hydraulic pressure situation, and has increased the flow of inlet water under the low hydraulic pressure situation, has dwindled flooding time.The utility model utilizes direct current output stable properties to avoid piston cap to shake the sound of generation in the diaphragm plate activity space simultaneously.
Description of drawings:
Fig. 1 is the prior art constructions schematic diagram;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is the partial enlarged drawing at Fig. 2 septation plate place;
Fig. 4 is the stereogram of the utility model septation plate;
Fig. 5 is the structural representation of the utility model embodiment 2;
The specific embodiment:
Embodiment 1:
See Fig. 4, this electromagnet water supply valve is installed in household electrical appliance such as on the electric washer, when needing water inlet, electric-control system gives solenoid 7 energisings, water supply pressure is in than higher zone (during such as 0.1Mpa～1.0Mpa), because the length of piston 5 lug bosses is less than the mobile space 3042 of piston 5 lug bosses of syndeton 304, piston 5 is subjected to electromagnetic attraction, place the piston cap of piston 5 lug bosses to leave in bullport 302 1 distance ranges, what piston 5 lug bosses can not be subjected to diaphragm plate syndeton 304 tops buttons edge stops that piston 5 lug bosses can move freely (see figure 2) together with piston cap in this distance range.Generally speaking, piston 5 is together with piston 5 lug bosses, when piston cap moves the 0.5mm left and right sides, bullport 302 is opened, water in the back pressure chamber 104 flows to water-supplying chamber 102 by bullport 302, because the aperture of bullport 302 is greater than the aperture of side stream passages 303, make rate of pressure release due to back pressure chamber 104 water outlets greater than the pressure recharge rate due to side stream passages 303 input water inlets, pressure in the back pressure chamber 104 descends, when the pressure differential of water supply chamber 101 and back pressure chamber 104 is enough big (can reach 640g) according to aforementioned calculating, promote barrier film 2 and diaphragm plate and lift off a seat 103, main valve open, the water of water supply chamber 101 directly flows to water-supplying chamber 102 by valve seat 103.Because main water valve pipeline bore is bigger, can reach more than the 20L/ branch.
Be lower than the requirement of regulation when hydraulic pressure, such as being reduced to below the 0.01Mpa, when having only 0.001Mpa even, solenoid 7 energising back pistons 5 are moved to breaking away from valve seat 103 directions by electromagnetic attraction, piston 5 lug bosses and piston cap just move to leaving bullport 302 directions, bullport 302 is opened, back pressure chamber 104 drainings, before piston 5 lug bosses and diaphragm plate syndeton 304 tops button edge contacts, although bullport 302 has been opened, but because pressure of supply water is little, the pressure differential of back pressure chamber 104 and water supply chamber 101 is just very little, so the little pressure differential initial sealing power that is not enough to overcome barrier film 2 is fully lifted barrier film 2 and diaphragm plate, and main valve can not be unlocked, and water can only flow out from bullport 302 micro-ly.And this moment, also just because pressure of supply water is little, make barrier film 2 not have enough pressure pressures and put involution in valve seat 103, the magnetic force that solenoid 7 energisings produce is enough to overcome this pressure to the attraction of piston 5, after piston 5 lug bosses and diaphragm plate syndeton 304 tops button edge contacts, piston 5 can continue to move to breaking away from valve seat 103 directions, piston 5 lug bosses hook together diaphragm plate top button edge pulling diaphragm plate and move to the direction that breaks away from valve seat 103 together with barrier film 2, main valve is opened, and makes the water of water supply chamber 101 directly enter water-supplying chamber 102 by valve seat 103.Suitable solenoid 7 is set, and the involution that barrier film 2 was subjected to when the attraction of its generation just was enough to overcome described low hydraulic pressure is in the pressure of valve seat 103, such as the barrier film 2 stressed relations of solenoid 7 attractions design of the present utility model when the 150g left and right sides.
Household electrical appliance water inlets is finished in the time of need stopping into water, control circuit gives solenoid 7 outages, elimination is to the attraction of conduit 4 inner carriers 5, piston 5 moves to the direction near valve seat 103 under spring 6 effects, seal the bullport 302 of diaphragm plate until the piston cap closing, back pressure chamber 104 is closed to the path of water-supplying chamber's 102 drainings, and water supply chamber 101 is intake to back pressure chamber 104 by side stream passages 303, back pressure chamber 104 pressure improve, promoting barrier film 2 and diaphragm plate moves to valve seat 103 directions, contact and seal valve seat 103 with valve seat 103 up to barrier film 2, main valve is closed.
So like this, the utility model can guarantee under the situation of zero water supply pressure, the initial sealing power that just can utilize the attraction of solenoid 7 to overcome main valve barrier film 2 makes outside valve opens, in low hydraulic pressure zone, the buoyancy of water is than big 3 times (the hydraulic pressure 0.01Mpa～0.03Mpa) before of the recuperability of barrier film 2, electromagnetic attraction can help to make the valve port of 103 of barrier film 2 and valve seats to open greatlyyer, reaches the effect of low pressure of supply water scope augmented flow.
Adopt the pressure adaptation scope of the electromagnet water supply valve of this mode to expand 0Mpa～1.0Mpa to, enlarged it widely and used range hydraulic pressure from original 0.02Mpa～1.0Mpa.Electromagnetic water inlet valve of the present utility model has also improved the flow of original electromagnet water supply valve valve in low (below the 0.03MPa) scope of pressure that supplies water simultaneously.Specifically under the 0.02Mpa condition, if full automatic washing machine inflow 50L needs flooding time to be approximately 25 minutes, when adopting electromagnetic water inlet valve of the present utility model, flooding time can shorten about 13 minutes.If advance water whole washing cycle three times, can save about 40 minutes.
Embodiment 2:
Referring to Fig. 1, Fig. 2, the water intaking valve of this washing machine, comprise by lever 1005, water shutoff rubber bat 1006, water shutoff clap cover 1007, hydraulic pressure difference water shutoff member that water shutoff bat core 1008 is formed, be provided with filter assemblies 1004 in its valve body.Described filter assemblies 1004 comprises filter seat and filter screen 1003 wherein, and it is installed between water supply joint 1015 and the hydraulic pressure difference water shutoff member, and its valve body makes up in aggregates with filter assemblies by being connected of attaching nut.Filter assemblies 1004 is installed in the top of valve body 1001 vertical directions, can upwards screw out filter assemblies.
Claims (10)
1. one kind low hydraulic pressure automatic washing machine, comprise a water intaking valve, described water intaking valve comprises valve body, valve seat, diaphragm plate, piston, spring, solenoid, described valve body is provided with water supply chamber, water-supplying chamber, back pressure chamber, described valve seat is between described water supply chamber and described water-supplying chamber, described back pressure chamber is positioned at a side of described diaphragm plate, described water supply chamber and described water-supplying chamber are positioned at the opposite side of described diaphragm plate, it is characterized in that: described piston is provided with lug boss, and described lug boss is embedded in the described diaphragm plate by the peristome on the described diaphragm plate.
2. low hydraulic pressure automatic washing machine according to claim 1 is characterized in that: described diaphragm plate is bowl-shape, and its small end matches towards described water-supplying chamber and with described valve seat.
3. low hydraulic pressure automatic washing machine according to claim 1 and 2, it is characterized in that: be provided with mobile space in the described diaphragm plate, described boss is in described mobile space, and can in described mobile space, move a segment distance and not collide by easy on and off with diaphragm plate, the described segment distance that moves freely, for greater than 0.5mm, less than the stroke of described piston.
4. low hydraulic pressure automatic washing machine according to claim 1 and 2, it is characterized in that: described valve seat is combined with barrier film, the center of described barrier film is provided with perforation, also is provided with conduit on the described valve body, and described catheter drive is withheld in the sealing of described barrier film periphery to the lower end that extends out; The central part of described diaphragm plate has been opened described bullport, and the periphery of described diaphragm plate has been opened described side stream passages, and described water supply chamber is communicated with described back pressure chamber by described side stream passages; Described solenoid is located at described conduit periphery, and described solenoid outside is configured to magnetic circuit by described, is provided with described piston in the described conduit, and described piston crown is connected with piston cap, and described piston rear end withstands on the described spring.
5. low hydraulic pressure automatic washing machine according to claim 1 and 2, it is characterized in that: described diaphragm plate comprises dividing plate A and dividing plate B, and described side stream passages comprises the crushing chamber that water inlet, dividing plate A and the dividing plate B on the dividing plate B is chimeric and form, the back pressure chamber inflow entrance on the dividing plate A.
6. low hydraulic pressure automatic washing machine according to claim 1 and 2, it is characterized in that: the neighboring of described diaphragm plate is provided with one or several projectioies, have embeded slot on the described projection, the neighboring of described barrier film has the hole, and described embeded slot is embedded in the described hole.
7. low hydraulic pressure automatic washing machine according to claim 1 and 2 is characterized in that: the radial section of described piston crown is rectangle or " recessed " shape; The radial section of described piston cap is " recessed " shape or rectangle.
8. low hydraulic pressure automatic washing machine according to claim 1 and 2, it is characterized in that: described solenoid is connected with DC circuit, the motion of the open and close controlling piston by described DC circuit.
9. low hydraulic pressure automatic washing machine according to claim 1 and 2 is characterized in that: described water intaking valve also comprises by lever, water shutoff rubber bat, water shutoff bat lid, water shutoff claps the hydraulic pressure difference water shutoff member that core is formed, and is provided with filter assemblies in the described valve body.
10. low hydraulic pressure automatic washing machine according to claim 9, it is characterized in that: described filter assemblies comprises filter seat and filter screen wherein, it is installed between water supply joint and the hydraulic pressure difference water shutoff member, and its valve body makes up in aggregates with filter assemblies by being connected of attaching nut.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201579779U CN201588103U (en) | 2009-06-05 | 2009-06-05 | Lower water-pressure automatic washing machine |
| EP10164558.8A EP2278059B1 (en) | 2009-06-05 | 2010-06-01 | An automatic washing machine with multi-functional watering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201579779U CN201588103U (en) | 2009-06-05 | 2009-06-05 | Lower water-pressure automatic washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201588103U true CN201588103U (en) | 2010-09-22 |
Family
ID=42747874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201579779U Expired - Lifetime CN201588103U (en) | 2009-06-05 | 2009-06-05 | Lower water-pressure automatic washing machine |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2278059B1 (en) |
| CN (1) | CN201588103U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052508A (en) * | 2010-12-20 | 2011-05-11 | 杭州神林电子有限公司 | Electromagnetic inlet valve |
| CN108533762A (en) * | 2018-06-15 | 2018-09-14 | 浙江威腾阀门有限公司 | High temperature high voltage solenoid valve |
| CN108660699A (en) * | 2018-08-13 | 2018-10-16 | 芜湖乐佳电器有限公司 | A kind of dynamic supporting structure of water inlet valve for washing machine |
| CN111304448A (en) * | 2020-04-01 | 2020-06-19 | 宿州青智网络科技有限公司 | Plastic waste metal recovery device based on electromagnetic induction principle |
| CN111971500A (en) * | 2018-04-26 | 2020-11-20 | 川崎重工业株式会社 | Lift type flow control valve |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283526A (en) * | 2015-05-27 | 2017-01-04 | 宁波吉德家电科技有限公司 | A kind of method and device injecting liquid washing assisant |
| US11485647B2 (en) * | 2019-05-23 | 2022-11-01 | Bsh Home Appliances Corporation | Changeable water filter in combination with a mixing valve for pretreatment of water in a home appliance and method of pretreating water |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3195561A (en) * | 1961-11-24 | 1965-07-20 | Gen Electric | Plastic valve device with torque absorbing coupling and bracket means |
| DE1775108A1 (en) * | 1967-07-08 | 1971-07-08 | Candy Spa | Regulation and control device, in particular for washing machines, dishwashers or the like. |
| NZ223460A (en) * | 1988-02-09 | 1993-01-27 | Fisher & Paykel | Flow control system for two liquids entering a mixing chamber to maintain a desired temperature |
-
2009
- 2009-06-05 CN CN2009201579779U patent/CN201588103U/en not_active Expired - Lifetime
-
2010
- 2010-06-01 EP EP10164558.8A patent/EP2278059B1/en not_active Not-in-force
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052508A (en) * | 2010-12-20 | 2011-05-11 | 杭州神林电子有限公司 | Electromagnetic inlet valve |
| CN111971500A (en) * | 2018-04-26 | 2020-11-20 | 川崎重工业株式会社 | Lift type flow control valve |
| CN108533762A (en) * | 2018-06-15 | 2018-09-14 | 浙江威腾阀门有限公司 | High temperature high voltage solenoid valve |
| CN108660699A (en) * | 2018-08-13 | 2018-10-16 | 芜湖乐佳电器有限公司 | A kind of dynamic supporting structure of water inlet valve for washing machine |
| CN111304448A (en) * | 2020-04-01 | 2020-06-19 | 宿州青智网络科技有限公司 | Plastic waste metal recovery device based on electromagnetic induction principle |
| CN111304448B (en) * | 2020-04-01 | 2021-11-16 | 长欣(广州)工业科技有限公司 | Plastic waste metal recovery device based on electromagnetic induction principle |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2278059A1 (en) | 2011-01-26 |
| EP2278059B1 (en) | 2014-08-13 |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100922 |
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| CX01 | Expiry of patent term |