CN2566017Y - Automatic water pump - Google Patents
Automatic water pump Download PDFInfo
- Publication number
- CN2566017Y CN2566017Y CN02246879U CN02246879U CN2566017Y CN 2566017 Y CN2566017 Y CN 2566017Y CN 02246879 U CN02246879 U CN 02246879U CN 02246879 U CN02246879 U CN 02246879U CN 2566017 Y CN2566017 Y CN 2566017Y
- Authority
- CN
- China
- Prior art keywords
- valve
- plane
- outlet pipe
- magnet
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
- F04D15/0022—Control, e.g. regulation, of pumps, pumping installations or systems by using valves throttling valves or valves varying the pump inlet opening or the outlet opening
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to an automatic water pump having an improved valve structure. A water flow channel is opened and closed according to the flowing water flow, and meanwhile, the pump is automatically opened and closed; valves of a water inlet pipe and a water outlet pipe are connected with and separated from each other in the automatic water pump, the utility model is forcefully reverted to the original state, and therefore, the valves can be arranged in any direction, and thereby, the limitation of direction disappears when installing the automatic water pump.
Description
Technical field
The utility model relates to automatic pump, particularly has the automatic pump that improves valve mechanism.
Background technique
Water pump is meant the rotation by motor, transports the device of water flow medium.Automatic pump is meant that water flow medium is subjected to the water pump of control automatically.Below, with reference to Fig. 1, describe traditional automatic pump in detail.
Fig. 1 is the sectional view that traditional automatic pump constitutes.
As shown in the figure, the shell 10 that forms flow channel is at first arranged, and shell is by the interior part of impeller 11 and the intake pipe 13a of water inlet of being equipped with, and the outlet conduit 13b of water outlet forms respectively, impeller 11 is forced inspiration and output with water by intake pipe 13a and outlet pipe 13b by motor 15 driven rotary.In addition, valve 21 is placed in outlet pipe 13b side shell 10 flow channel ends.
Below, the working principle of detailed description valve 21:
Shown in Fig. 1 solid line, if water can not flow into intake pipe 13a, be that valve sinks on the seat surface because valve has from weight, stoped flowing of water, in this case, if open and use a side water tap or valve, the flow direction water tap of outlet pipe 13b; Then, owing to exist drift angle between intake pipe 13a and the outlet pipe 13b, as shown in phantom in Figure 1, valve 21 rises, be installed in the jump ring switch 23 in the shell 10, open by the magnet 21a acting in conjunction in jump ring switch 23 and the valve 21, thus starting electrical machinery 15; Then, if close the water tap that uses a side, valve 21 descends because of its deadweight, and jump ring switch 23 cuts out, and therefore motor 15 also quits work.That does not mention above 25 and 27 refers to connecting part and electric wire.
Traditional automatic pump adopts above-mentioned working principle, and valve 21 descends because of its deadweight, and the moving direction of valve 21 is in the direction that moves up and down forever, therefore, tangible direction restriction is arranged when the traditional water pump of assembling.
The model utility content
The utility model is a kind of automatic pump that improves valve mechanism.It has or not according to flow, in the time of the switch flow channel, makes water pump switch automatically.
In order to address the above problem, the utility model will provide not the recipient to influence, but the freely fitted automatic pump.
In order to achieve the above object, the utility model provides a kind of automatic pump, comprising:
Form the metallic casing of flow channel, flow channel has two ends, and an end joins with the intake pipe that links to each other with the water source, and the other end is with continuous with the outlet pipe that uses a side to link to each other, and a side of shell is equipped with controlling component;
Be used for being installed in the shell from the impeller of intake pipe suction and forced drainage intake-discharge pipe;
Enclosure is equipped with motor, according to the control of controlling component, and the driven by motor impeller operation;
In the shell that guide element is installed in outlet pipe links to each other on the flow channel;
Guide element is housed in the valve, and guide element can make an end of valve be subjected to the effect of intake pipe pressure by the linear alternated effect of valve, and the other end is subjected to the effect of outlet pipe pressure, and under both action of pressure, valve is towards the second end line motion.When current when the outlet pipe, intake pipe and outlet pipe are connected with each other, when current do not flow out by outlet pipe, thereby intake pipe and outlet pipe pass through valve from, valve and flow switch contact;
First device is used for the opening and closing controlling component, and its forces valve to carry out linear motion, thereby when current do not flow out by outlet pipe, valve is linked to each other with guide element.
Described automatic pump has fixed groove with the level in the shell, guide element is installed on the step, and the valve operation hole is formed in the shell, and shell is relative with fixed groove; Guide element comprises base, supporting frame, guide bar, contact and touch ring; It is discoid that base becomes, be installed on the step of fixed groove, supporting frame extends to the bottom surface of fixed groove from first plane of base and links to each other, guide bar extends out by whole valve center portion, run through whole valve, contact semi-ring above base forms first space of into water in-pipe flow inflow around extending upward between base and valve first end surface; When contact with when touching ring and contacting with the outer cylinder surface of valve, touch ring and extend from contact, intake pipe and outlet pipe from.Valve has such length, when contact when touching ring and contact with the outer cylinder surface of valve, second end surface of valve just is parked in place, valve operation hole, the valve cover covering that valve operation hole quilt is made by non-magnet material; Valve cover is covered with an end of second end surface and the guide bar of valve, and the current that flow into from outlet pipe are advanced in second space that forms between second end surface of valve cover and valve.
Described automatic pump, contact have first chamfered surface, and touching ring has second chamfered surface.A valve chamfered surface is arranged around the valve, with first chamfered surface and second chamfered surface identical inclination is arranged, contact and touch loops and lump together and install at grade, make first inclined-plane and the second angular surface type ovalisation of touching ring of contact, there is the inclination identical with second inclined-plane with first inclined-plane on the valve inclined-plane, thereby the valve inclined-plane and first inclined-plane and the second inclined-plane close proximity are touched.
Described automatic pump has the contact identical with inclination first inclined-plane and touches the relative corner cut of splaying in ring second inclined-plane on the shell.
Described automatic pump, guide bar are oval parts.
Described automatic pump, controlling component comprise the jump ring switch adjacent with valve cover, and first device comprises the magnet that is installed in valve second end surface; Magnet opening and closing jump ring switch, and attracted by shell.
Described automatic pump also comprises second device of forcing valve to move, thereby when current can not be discharged by outlet pipe, valve is contacted with guide element.
Described automatic pump, second device comprise an elastic member that is installed between valve cover and valve second end surface.
Described automatic pump, second device comprise second magnet and the 3rd magnet, and second magnet is installed in valve first end surface, and the 3rd magnet is installed on the guide element; Second magnet is adjacent with the 3rd magnet heteropole, thereby the gravitation between second magnet and the 3rd magnet is used.
Described automatic pump, the second end surface area of the first latter end surface ratio valve of valve is little.
Description of drawings
Fig. 1 is the general profile chart that traditional automatic pump constitutes;
Fig. 2 is the partial sectional view that automatic pump of the present utility model constitutes;
Fig. 3 is applied to the flow switch of the utility model automatic pump among Fig. 2 and the stereogram of valve;
Fig. 4 (a) and Fig. 4 (b) are the partial sectional view of the valve of the utility model automatic pump operation among Fig. 2;
Fig. 5 (a) and Fig. 5 (b) are the amplification view of the utility model first embodiment's automatic pump valving;
Fig. 6 (a) and Fig. 6 (b) are the amplification view of the utility model second embodiment's automatic pump valving.
Embodiment
Below, be described with reference to the accompanying drawings the preferred embodiment of the utility model automatic pump.
Embodiment 1
Fig. 2 be automatic pump of the present utility model constitute partial sectional view.Fig. 3 is applied to the flow switch of automatic pump among Fig. 2 and the stereogram of valve.Fig. 4 (a) and 4 (b) are the partial sectional view of the valve of the utility model automatic pump operation among Fig. 2.
Shown in Fig. 2,3, comprise according to the automatic pump 100 of present embodiment forming flow channel 111, but by for example metal shell 110 of permeability magnetic material; In the shell 110 end of flow channels 111 with link to each other with intake pipe 113 that the water source communicates, and the other end with link to each other with outlet pipe 115 that use one side is joined.In addition, impeller 121 is installed in the shell 110, and the motor 125 of impeller 121 is installed in enclosure, and impeller 121 forces current to suck intake pipe 113, and is discharged by outlet pipe 115.
Valve seat be by one with water outlet near shell 110 on the fixed groove 117 of band step 117a constitute, valve operation hole 119 constitutes in the shell 110 relative with fixed groove 117.Top-priority is the enclosing cover 160 that direction will be introduced towards the valve operation hole 119 and the back of motor 125.
Fixed groove 117 is fixed on the guide element 130, and guide element comprises base 131, support 133, and guide bar 135, contact 137 touches ring 139.Base 131 is cast discoid, is contained on the step 117a of fixed groove 117, and support 133 links to each other with base 117 bottom surface 117b from base 131 one side extensions.In addition, guide bar 135 is stretched out by the core of valve operation hole 119 from base 131 another sides, contact 137 stretches out from the upper half of base 131 another sides, be that contact 137 is semicylinders, therefore, the first inclined-plane 137a of contact 137 is with the base 131 prefabricated distance of being separated by, and towards prefabricated tendency, thereby has half elliptic.The first plane of inclination 137a of contact 137 is installed in the valve 140 that will mention with the back and links to each other.Touch ring 139 and extend out from contact 137, the second inclined-plane 139a that touches ring 139 also towards and the first plane of inclination 137a direction tilt.In this case, the first inclined-plane 137a of contact 137 is in the same plane with the second inclined-plane 139a that touches ring 139, and 137a and 139a form ellipse.In addition, the second inclined-plane 139a that touches ring 139 links to each other with the valve 140 that the back will be mentioned, therefore, when the first plane of inclination 137a of contact 137 links to each other with valve 140 with the second inclined-plane 139a that touches ring 139 or separates, they separate with outlet pipe 115 with intake pipe 113 respectively or couple together, and the back will be described in more details this operation.
By non-magnet material for example the valve cover 150 made of plastics be installed on the valve operation hole 119 on the shell 110.Valve cover 150 covers second end surface 143 of valve 140 and the end of guide bar 135, and guide bar is extended the outside of valve 140 by the hole 141 of valve 140.In addition, as mentioned above, the second space 115a that introduces current from outlet pipe 115 is limited between valve cover 150 and valve 140 second end surface 143.
Enclosing cover 160 fits together with a part that is installed in the shell in valve cover 150 outsides, and controlling component 163 is installed in 160 li of enclosing covers.Controlling component 163 comprises connecting part 164 and polynary electric wire 165 and jump ring switch 166.Jump ring switch 166 proximate valves door closures 150, and in these opening and closing.The back will describe this operation in detail.
The automatic pump of making according to present embodiment comprises: first device of opening and closing jump ring switch 166.First device forces valve 140 to carry out linear motion, and when current can not be when outlet pipe 115 be discharged, the contact 137 on valve 140 and the guide element 130 encircles 139 and contacts with touching.Top-priority is that first device is a magnet 171.171 are installed on second end surface 143 of valve 140, and move in the mode identical with valve 140.
Below, with reference to Fig. 4 (a) and 4 (b), describe the operating principle of the valve 140 and first device in detail.
In original state, shown in Fig. 4 (a), guide element 130 links to each other with valve 140.
When opening water tap, current are flowed out by outlet pipe 115, and under the pressure difference effect of intake pipe 113 and outlet pipe 115, valve 140 is the state of Fig. 4 (b) from the state-transition of Fig. 4 (a).Then, magnet 171 is opened jump ring switch 166, thus starting electrical machinery 125, thus impeller 121 is forced current to flow to and is flowed out.When water tap is closed, current are not when outlet pipe 115 flows out, pressure equates in intake pipe 113 and the outlet pipe 115, like this, valve 140 is under the power that the attracts each other effect of magnet 171 that is installed in valve 140 places and the shell 110 made by permeability magnetic material, state from Fig. 4 (b) is converted into the state among Fig. 4 (a), be that valve 140 encircles 139 motions to the contact 137 of guide element 130 with touching, make the first inclined-plane 137a of the contact 137 on valve inclined-plane 145 and the flow switch 130 of valve 140 link to each other with the second inclined-plane 139a that touches ring 139, then, intake pipe 113 and outlet pipe 115 are separated, and jump ring 166 switches cut out simultaneously, thereby make motor 125 out of service.
The valve 140 of the automatic pump of making according to present embodiment 100, second end surface 143 is bigger than first surface 142 areas, therefore, when the pressure in the intake pipe 113 when pressure in the outlet pipe 115 equates, valve 140 can return to original state at an easy rate because of the area difference of 140 two end surface of valve.
The automatic pump of making according to present embodiment 100 has a kind of like this structure, and when valve 140 linked to each other with guide element 130, valve 140 can be operated exactly.
On same cylindrical body, shell 110 has the first inclined-plane 137a of the contact 137 identical with guide element 130 updip gradients and touches the tilt angle 110a and the 110b of the corresponding setting of the second plane of inclination 139a of ring 139, resistance to water-flow is minimized, therefore, make the inflow and the water-outlet quantity maximization of current.
In addition, as mentioned above, it is for they are closely cooperated each other that the valve inclined-plane 145 of valve 140 has identical inclination with the first inclined-plane 137a of contact 137 with the second inclined-plane 139a that touches ring 139.
According to the automatic pump that present embodiment is made, valve 140 can directionless restriction is in any state, because first magnet 171 can forcibly make it return to original state, promptly valve 140 can be by vertically, and level and any direction that tilts are installed.Among above-mentioned Fig. 2 that does not mention 155 refers to O type ring.
Embodiment 2
Fig. 5 (a) and 5 (b) are the amplification view of another embodiment's of the utility model automatic pump valving, in order to express the structure and the operating principle of automatic pump.The present embodiment and first embodiment's difference will mainly be described below.
Elastic member 181 a for example spring is installed between second end plane 143 of valve cover 150 and valve 140, when current not when outlet pipe 115 flows out, elastic member 181 forces valve 140 to move linearly, so the first inclined-plane 137a of contact 137 contacts with the second inclined-plane 139a that touches ring 139 on the inclined-plane 145 of valve 140 and the guide element 130, in addition, the elastic reaction of elastic member 181 makes the inclined-plane 145 of valve 140 and the first inclined-plane 137a of the contact 137 on the controlling component closely cooperate with the second inclined-plane 139a that touches ring 139.
Embodiment 3
Fig. 6 (a) and 6 (b) are the enlarged perspective of another embodiment's of the utility model automatic pump valving, in order to show the structure and the operating principle of automatic pump.The present embodiment and first embodiment's difference will mainly be described below.
The second magnet 185a is installed near valve 140 first end surface 142, the 3rd magnet 185b is installed on the support 133 of guide element 130, in this case, the second magnet 185a and the 3rd magnet 185b heteropole placed adjacent, thereby use the graviational interaction between two magnet, as a result, the second magnet 185a and the 3rd magnet 185b interact and force valve 140 to carry out linear motion.When current not when outlet pipe 115 flows out, the first inclined-plane 137a of the valve inclined-plane 145 of valve 140 and the contact 137 of guide element 130 and touching encircles 139 the second inclined-plane 139a and links to each other.
In sum, the automatic pump designed according to the utility model, be used for connecting with the valve that separates intake pipe and outlet pipe and be forced to return to original state, therefore, valve can be with any direction device, so when installing according to the designed automatic pump of the utility model, non-directional restriction.
Claims (10)
1, a kind of automatic pump is characterized in that, comprising:
Form the metallic casing of flow channel, flow channel has two ends, and an end joins with the intake pipe that links to each other with the water source, and the other end is with continuous with the outlet pipe that uses a side to link to each other, and a side of shell is equipped with controlling component;
Be used for being installed in the shell from the impeller of intake pipe suction and forced drainage intake-discharge pipe;
Enclosure is equipped with motor, according to the control of controlling component, and the driven by motor impeller operation;
In the shell that guide element is installed in outlet pipe links to each other on the flow channel;
Guide element is housed in the valve, and guide element can make an end of valve be subjected to the effect of intake pipe pressure by the linear alternated effect of valve, and the other end is subjected to the effect of outlet pipe pressure, and under both action of pressure, valve is towards the second end line motion.When current when the outlet pipe, intake pipe and outlet pipe are connected with each other, when current do not flow out by outlet pipe, thereby intake pipe and outlet pipe pass through valve from, valve and flow switch contact;
First device is used for the opening and closing controlling component, and its forces valve to carry out linear motion, thereby when current do not flow out by outlet pipe, valve is linked to each other with guide element.
2, automatic pump according to claim 1 is characterized in that, fixed groove with the level is arranged in the shell, and guide element is installed on the step, and the valve operation hole is formed in the shell, and shell is relative with fixed groove; Guide element comprises base, supporting frame, guide bar, contact and touch ring; It is discoid that base becomes, be installed on the step of fixed groove, supporting frame extends to the bottom surface of fixed groove from first plane of base and links to each other, guide bar extends out by whole valve center portion, run through whole valve, contact semi-ring above base forms first space of into water in-pipe flow inflow around extending upward between base and valve first end surface; When contact with when touching ring and contacting with the outer cylinder surface of valve, touch ring and extend from contact, intake pipe and outlet pipe from.Valve has such length, when contact when touching ring and contact with the outer cylinder surface of valve, second end surface of valve just is parked in place, valve operation hole, the valve cover covering that valve operation hole quilt is made by non-magnet material; Valve cover is covered with an end of second end surface and the guide bar of valve, and the current that flow into from outlet pipe are advanced in second space that forms between second end surface of valve cover and valve.
3, automatic pump according to claim 2 is characterized in that, contact has first chamfered surface, and touching ring has second chamfered surface.A valve chamfered surface is arranged around the valve, with first chamfered surface and second chamfered surface identical inclination is arranged, contact and touch loops and lump together and install at grade, make first inclined-plane and the second angular surface type ovalisation of touching ring of contact, there is the inclination identical with second inclined-plane with first inclined-plane on the valve inclined-plane, thereby the valve inclined-plane and first inclined-plane and the second inclined-plane close proximity are touched.
4, automatic pump according to claim 2 is characterized in that, the contact identical with inclination first inclined-plane is arranged on the shell and touch the relative corner cut of splaying in ring second inclined-plane.
5, automatic pump according to claim 2 is characterized in that, guide bar is oval parts.
6, automatic pump according to claim 2 is characterized in that, controlling component comprises the jump ring switch adjacent with valve cover, and first device comprises the magnet that is installed in valve second end surface; Magnet opening and closing jump ring switch, and attracted by shell.
7, automatic pump according to claim 6 is characterized in that, also comprises second device of forcing valve to move, thereby when current can not be discharged by outlet pipe, valve is contacted with guide element.
8, automatic pump according to claim 7 is characterized in that, second device comprises an elastic member that is installed between valve cover and valve second end surface.
9, automatic pump according to claim 7 is characterized in that, second device comprises second magnet and the 3rd magnet, and second magnet is installed in valve first end surface, and the 3rd magnet is installed on the guide element; Second magnet is adjacent with the 3rd magnet heteropole, thereby the gravitation between second magnet and the 3rd magnet is used.
10, automatic pump according to claim 2 is characterized in that, the second end surface area of the first latter end surface ratio valve of valve is little.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0070973A KR100411513B1 (en) | 2001-11-15 | 2001-11-15 | Automatic pump |
| KR20010070973 | 2001-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2566017Y true CN2566017Y (en) | 2003-08-13 |
Family
ID=19715993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02246879U Expired - Lifetime CN2566017Y (en) | 2001-11-15 | 2002-08-13 | Automatic water pump |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1312803B1 (en) |
| KR (1) | KR100411513B1 (en) |
| CN (1) | CN2566017Y (en) |
| DE (1) | DE50211077D1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462565C (en) * | 2006-05-18 | 2009-02-18 | 威乐水泵有限公司 | Automatic pump |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100583402B1 (en) * | 2005-01-14 | 2006-05-26 | 윌로펌프 주식회사 | Automatic pump |
| EP2299084A1 (en) * | 2009-09-16 | 2011-03-23 | Pierburg Pump Technology GmbH | Mechanical coolant pump |
| KR101128258B1 (en) | 2009-10-13 | 2012-03-23 | 윌로펌프 주식회사 | Automatic pump |
| CN110285078B (en) * | 2019-07-23 | 2024-06-25 | 浙江耀达智能科技股份有限公司 | Water pump controller |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH183756A (en) * | 1935-10-17 | 1936-04-30 | Sulzer Ag | Control device with servomotor for automatically controlling a closing element arranged in a pressure line, in particular in a long centrifugal pump pressure line, depending on the pressure prevailing in the pressure line. |
| GB1184650A (en) * | 1966-03-04 | 1970-03-18 | Lucas Industries Ltd | Liquid Pumps. |
| JPS56154185A (en) * | 1980-04-28 | 1981-11-28 | Hitachi Ltd | Capacity controller for compressor |
| JPS60111088A (en) * | 1983-11-18 | 1985-06-17 | Sanyo Electric Co Ltd | Automatic pump |
| JPH07145874A (en) * | 1993-11-25 | 1995-06-06 | Matsushita Electric Works Ltd | Exhauster |
| IT1268937B1 (en) * | 1994-01-14 | 1997-03-18 | Co Ge S R L | DEVICE FOR THE CONTROL OF A WATER DISTRIBUTION SYSTEM |
| DE4438705A1 (en) * | 1994-10-29 | 1996-05-02 | Wolfgang Kube | Automatically operating shut=off valve for centrifugal pump |
| KR100197690B1 (en) * | 1995-07-26 | 1999-06-15 | 윤종용 | Water dispenser of a refrigerator |
| AU1805800A (en) * | 1999-11-10 | 2001-06-06 | Aker Maritime Asa | A system for controlling the working conditions for mechanical pumps, and a regulation valve for such a system |
| KR100372321B1 (en) * | 2000-04-14 | 2003-02-17 | 박헌우 | Differential valve using permanent magnet |
-
2001
- 2001-11-15 KR KR10-2001-0070973A patent/KR100411513B1/en active IP Right Grant
-
2002
- 2002-07-19 DE DE50211077T patent/DE50211077D1/en not_active Expired - Lifetime
- 2002-07-19 EP EP02016058A patent/EP1312803B1/en not_active Expired - Lifetime
- 2002-08-13 CN CN02246879U patent/CN2566017Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462565C (en) * | 2006-05-18 | 2009-02-18 | 威乐水泵有限公司 | Automatic pump |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1312803A2 (en) | 2003-05-21 |
| KR20020001682A (en) | 2002-01-09 |
| DE50211077D1 (en) | 2007-12-06 |
| KR100411513B1 (en) | 2003-12-18 |
| EP1312803A3 (en) | 2004-01-21 |
| EP1312803B1 (en) | 2007-10-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120813 Granted publication date: 20030813 |