CN201395961Y - Parallel-connection swimming pond automatic cleaning machine - Google Patents
Parallel-connection swimming pond automatic cleaning machine Download PDFInfo
- Publication number
- CN201395961Y CN201395961Y CN 200920002047 CN200920002047U CN201395961Y CN 201395961 Y CN201395961 Y CN 201395961Y CN 200920002047 CN200920002047 CN 200920002047 CN 200920002047 U CN200920002047 U CN 200920002047U CN 201395961 Y CN201395961 Y CN 201395961Y
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- Prior art keywords
- parallel
- underwater
- swimming pool
- automatic cleaning
- cleaning machine
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- Expired - Lifetime
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- 238000004140 cleaning Methods 0.000 title claims abstract description 127
- 230000009182 swimming Effects 0.000 title claims abstract description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000000178 monomer Substances 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000005406 washing Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 8
- 238000007514 turning Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009193 crawling Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H4/00—Swimming or splash baths or pools
- E04H4/14—Parts, details or accessories not otherwise provided for
- E04H4/16—Parts, details or accessories not otherwise provided for specially adapted for cleaning
- E04H4/1654—Self-propelled cleaners
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model relates to a washing device and in particular to a swimming-pond automatic cleaning machine. The parallel-connection swimming pond automatic cleaning machine comprises two single underwater cleaning machines, wherein a cushion block is arranged between cable leading-out sides of the two single underwater cleaning machines, four bolts pass through a shell, a bracket seat and the cushion blocks, the shell, the bracket seat and the cushion blocks are fixedly connected with each other, the upper surface of a shell cover of the two underwater cleaning machines is provided with a crossbeam with two ends being provided with a circular hole and a lifting ring, and the crossbeam is respectively locked on a water outlet elbow of the two underwater cleaning machines through a wateroutlet elbow cover to form a parallel-connection underwater machine; the splitting end of the cable is respectively connected with a motor assembly of the two single underwater cleaning machines, an aerial plug on another end of the cable with a floater is connected with a power supply control box and is also provided with a remote controller. The length of a cleaning drum, the area of a filter and the drainage quantity of a pump of the parallel-connection swimming pond automatic cleaning machine are two times that of a single machine, so that the creeping washing width and the filter water quantity are enlarged. The machine is suitable for washing a standard swimming pond and a large-sized swimming pond.
Description
Technical field
The utility model relates to a kind of cleaning equipment, particularly automatic cleaning machine for swimming pool.
Background technology
The cleaning method of swimming pool progressively under the situation of not discharging Chi Shui, replaces artificial the cleaning with cleaning equipment along with socio-economic development and technological progress, has alleviated the heavy work of cleaning swimming pool and has saved precious water resource again.Cleaner kind in the market is more, and great majority are to be applicable to family's swimming pool and small-sized swimming pool, and the cleaner that is applicable to large-scale standard swimming pool is seldom, and function is limited, have can only service sink at the bottom of.As cleaning large-scale swimming pool with small-sized cleaner, be subjected to the restriction of cable, do not reach all places of swimming pool, the strainer volume is little, uses extremely inconvenience, even if clean large-scale swimming pool with small-sized automatic cleaning machine of swimming pool, required time is also longer, does not satisfy instructions for use.
The utility model content
A purpose of the present utility model is to design a kind of auto-cleaner in parallel that is applicable to large-scale standard swimming pool, automatically at the bottom of the pond of swimming pool and pool wall clean, in cleaning process, avoid the pond water generates is polluted.
Another purpose of the present utility model particularly makes automatic cleaning machine of swimming pool in parallel have two independently transmission systems of creeping, and has the motor-driven function of turning, and automatic cleaning machine of swimming pool in parallel can carry out orderly all standing to swimming pool and clean.
Another purpose of the present utility model is cleaning function to be set touch the wall detection module, sends and touches the wall signal to microcontroller, controls the cleaning model of automatic cleaning machine of swimming pool in parallel by setup program.This utility model has two kinds of automatic operation mode: promptly wash the mixing that He Chidi, pool wall clean simultaneously at the bottom of the pond at the bottom of the service sink and wash.
Another purpose of the present utility model is that remote controller is set, and the utilization remote controller is controlled the turning of automatic cleaning machine of swimming pool in parallel and the direction of creeping, and automatic cleaning machine of swimming pool in parallel can effectively clean any position of swimming pool by operator's wish.
Another purpose of the present utility model is to prevent that at a setting piece on the cabinet cover cleaner from having the phenomenon of overturning when cleaning has the swimming pool of step.
Another purpose of the present utility model is the annex at design angle, a service sink base, improves cleaning performance.
The technical solution of the utility model: a kind of parallel automatic cleaning machine of swimming pool, comprise two monomer underwater cleanings, between cable pigtail one side of two monomer underwater cleanings, be provided with cushion block, passing engine housing, carrier base and cushion block by four bolts fixedlys connected, on the cabinet cover of two underwater cleanings, be provided with a band handle, the round-meshed crossbeam in two ends, by the water exit elbow lid it is locked at respectively on the water exit elbow of two underwater cleanings, constitutes parallel connection machine under water; Cable fork end is connected with the motor assembly of two monomer underwater cleanings respectively, and the other end aviation plug that has the float cable is connected with power controling box, also is equipped with remote controller.
Be respectively equipped with the independently transmission system of creeping on two monomer underwater cleanings.
The Digital Circuit Control plate of power controling box is provided with cleaner and touches the wall detection module.
Cabinet cover front and rear edge place is provided with anti-tip piece.
The water exit elbow cover attachments of band jet pipe is equipped with.
The underwater cleaning in parallel that above-mentioned two underwater cleanings are formed is that its rated power is 400～600w by an input voltage 220v power controling box control.
There are 6 cores of float or 8 core cables to be connected with one on it between above-mentioned two underwater cleanings in parallel and the power controling box, the cable that is connected an end with underwater cleaning in parallel is divided into two bundle quads, is connected with the motor assembly watertight of underwater cleaning in parallel respectively.
Above-mentioned power controling box touches wall detection module, connection bent plate, control panel, cabinet cover and support by Switching Power Supply, digital control circuit plate, cleaner and forms.
Above-mentioned digital control circuit plate is to be the digital circuit of core with the single-chip microcomputer, realize underwater cleaning startup, stop, conversion creep direction and turning, control such as conversion mode of operation function also has underwater cleaning water outlet automatic shutdown function simultaneously.
It is that inductor current changes when underwater cleaning striking pool wall in parallel that above-mentioned cleaner touches the wall detection module, sends according to this variation and touches the wall signal and give microcontroller, judges and touches the wall state, controls underwater cleaning in parallel and cleans by mode of operation.
At the bottom of the cabinet cover and casing of above-mentioned remote controller by communication control circuit plate, antenna, band button, battery forms.
The using method of the utility model automatic cleaning machine of swimming pool in parallel:
The input plug of power controling box connects the 220v civil power, presses the starting switch of power controling box panel, and power controling box powers (24VDC) for two motor assemblies of underwater cleaning in parallel respectively, and automatic cleaning machine of swimming pool in parallel is started working.The centrifugal pump of horizontal axis of two monomer underwater cleanings is worked simultaneously, Chi Shui after scrubbing from engine housing water inlet suction separately respectively, enter into water box after filtering, water around the impeller of pump drives rotates at a high speed, produce centrifugal force, the knot water purification that sucks in is discharged in the swimming pool from water exit elbow.In this course, there is suction to produce under the engine housing bottom surface, what the water exit elbow delivery port was discharged is the water that pressure is arranged, and produces at the bottom of making cleaner press to the pond, the buffer brake of pool wall, and these two power are the normal pressure that automatic cleaning machine of swimming pool in parallel improves at the bottom of the pond and pool wall is creeped.Running simultaneously after drive motors in two motor assemblies starts, the transmission system of creeping that drives separately moves, transmission creep in the system synchronous band bottom lateral surface with at the bottom of the pond or pool wall contact, its operation drives underwater cleaning in parallel and creeps, the cleaning roller outer rim is with at the bottom of the pond or pool wall is soft contacts, and by same synchronous band drive running, the linear velocity of the cleaning belt of cleaning roller periphery is greater than creep speed, produce sliding friction between its outer rim and the pond face, function is scrubbed in formation, therefore automatic cleaning machine of swimming pool in parallel in crawling process automatically at the bottom of the swimming pool pond and pool wall clean.Be cleaned the Chi Shui that gets off to contain dirt, in the course of work of centrifugal pump, in time be drawn in the engine housing from engine housing bottom surface water inlet, a large amount of on every side Chi Shui also is sucked in the engine housing simultaneously, stop sewage to external diffusion, thereby avoided the secondary pollution in the cleaning process.
After the two outer separate transmission systems of creeping of automatic cleaning machine of swimming pool in parallel are activated, can be in the same way, reverse or differential operation, but so automatic cleaning machine of swimming pool rectilinear creeping in parallel, turning and the change direction of creeping, have mobility more flexibly.
The cleaner that is provided with on the automatic cleaning machine of swimming pool in parallel touches the wall detection module when it touches wall, sends and touches the wall signal to microcontroller, and microcontroller sends instruction according to the mode of operation of setting, and enters the working programme of oppositely creeping or continuing to creep.
Automatic cleaning machine of swimming pool in parallel is set with two kinds of mode of operations, promptly washes at the bottom of the pond and mixing is washed.When at the bottom of being set at the pond, washing, automatic cleaning machine of swimming pool in parallel is being creeped at the bottom of the pond when contacting pool wall, cleaner touches the wall detection module and sends signal, send the instruction of oppositely creeping after judging to microcontroller, underwater cleaning in parallel is by the program running of setting, oppositely creep, the distance (about 0.7～0.8 meter) of approximate underwater cleaning width in parallel of creeping forward after 90 ° of turning, return 90 ° of turnings again, this moment with the translation of former cleaning route the width of a underwater cleaning in parallel, continuation is creeped to the opposite bank, repeat said process after touching wall, carry out repeatedly just cleaning having finished orderly all standing at the bottom of the whole swimming pool pond.Mix when washing when being set at, automatic cleaning machine of swimming pool in parallel is being creeped at the bottom of the pond when contacting pool wall, cleaner touches the wall detection module and sends signal, send after judging to microcontroller and continue to creep instruction, underwater cleaning in parallel is undertaken by the mixing washing procedure of setting, touching the wall signal lag oppositely creeped after 15 seconds, underwater cleaning in parallel was climbed wall and was risen to the water surface and do the short time and clean the incrustation scale line this moment, after time delayed signal reaches 15 seconds, at the bottom of oppositely crawling toward the pond from pool wall, the wall signal also can appear touching in this course, stop after continuing at the bottom of the pond, to creep 3 seconds according to setting program underwater cleaning in parallel, creep forward after 90 ° of the pirouette approximate underwater cleaning in parallel with former cleaning route translation the width of underwater cleaning in parallel, continue the opposite bank that crawls toward, repeat said process after touching wall, carry out repeatedly just to having carried out orderly cleaning with similar pool wall at the bottom of the swimming pool pond, then another is repeated above-mentioned cleaning at the bottom of to pool wall and pond, so just whole swimming pool has been carried out orderly all standing cleaning with remote controller (or manually) mobile parallel connection underwater cleaning.
In the time of at the bottom of the service sink, the water exit elbow lid can be changed the water exit elbow lid that has sparge pipe.When creeping cleaning, there is the mouth of pipe ejection of the clean water of pressure from sparge pipe at water exit elbow lid place, can wash Chi Dibianjiao, the deposit dirt in the place that cleaning roller is difficult to touch is washed away, wash away the Chi Shui that contains dirt and absorbed in time in the engine housing, discharge after filtering by centrifugal pump.
Automatic cleaning machine of swimming pool in parallel can clean the swimming pool that step is arranged.When automatic cleaning machine of swimming pool in parallel runs into step in cleaning, can up creep along step, after cleaning machine is climbed to the top step, when continuing to climb wall, automatic cleaning machine of swimming pool in parallel can partly surface, because suction reduces, will leave pool wall and in the pond, translate into, therefore be provided with anti-tip piece at cabinet cover front and rear edge place.Underwater cleaning in parallel will slightly tilt in the pond; under the support of cleaning roller and anti-tip piece, stand on the step; water outlet this moment stoppage protection system sends the water outlet stopping signal, and underwater cleaning in parallel enters water outlet and shuts down control program, sends the shutdown time delay command; oppositely creep after 3 seconds; down creep along step and to get back in the swimming pool, do not remove, after time-delay reaches 10 seconds if the water outlet stopping signal; cleaner carries out the water outlet stoppage protection with autostop to underwater cleaning in parallel.
The superiority of technical solutions of the utility model:
Automatic cleaning machine of swimming pool in parallel is that the parallel connection of two monomer automatic cleaning machine of swimming pool is become one, and has increased the width of creeping and cleaning, and has increased filter capacity, is applicable to clean large-scale swimming pool and standard swimming pool.
Automatic cleaning machine of swimming pool in parallel has two separate transmission system of creeping, and they can be in the same way, reverse and differential operation, and therefore automatic cleaning machine of swimming pool in parallel has the motor-driven function of turning.
Be provided with cleaner in the automatic cleaning machine of swimming pool control system in parallel and touch the wall detection module, when cleaner striking pool wall, send and touch the wall signal, microcontroller is by after touch the wall signal, the instruction that can send oppositely creeps or delay time oppositely creeps after creeping in 15 seconds again, such automatic cleaning machine of swimming pool in parallel can be realized two kinds of automatic operation mode, promptly only washes washing the mixing that He Chidi, pool wall clean simultaneously at the bottom of the pond of cleaning at the bottom of the pond.
Based on touching the wall induced signal, can realize orderly all standing cleaning swimming pool by setting cleaning procedure.
Can clean the swimming pool that step is arranged, when automatic cleaning machine of swimming pool in parallel is creeped cleaning at the top step, have and prevent translating into function, have water outlet stoppage protection function simultaneously.
Automatic cleaning machine of swimming pool in parallel has been equipped with the annex that cleans the swimming pool corner---have the water exit elbow lid of sparge pipe.Replace with this annex in the time of at the bottom of the service sink, centrifugal pump of horizontal axis water outlet place part has the water of pressure can enter sparge pipe, and from mouth of pipe ejection, the swimming pool corner is washed, and has further improved the clean range and the cleaning capacity of cleaning machine.
Description of drawings
Fig. 1 is the general illustration of automatic cleaning machine of swimming pool complete equipment in parallel of the present utility model
Wherein 1---the monomer underwater cleaning
2---handled crossbeam in parallel
5---power controling box
6---remote controller
7---cable
F---annex, the water exit elbow lid of band sparge pipe
Fig. 2 is an I portion enlarged diagram among Fig. 1
Wherein 3---connect cushion block
4---a connecting bolt
Fig. 3 is a monomer underwater cleaning structural representation among Fig. 1
Wherein 11---motor assembly
12---miniature centrifugal pump of horizontal axis
13---strainer
14---the transmission system of creeping
15---the cleaning roller parts
16---the engine housing parts
17---the cabinet cover parts
18---the water exit elbow lid
19---an anti-piece of translating into
Fig. 4 is transmission among Fig. 3 creep system and cleaning roller parts
Wherein 141---driving wheel
142---rack wheel
143---carrier base
144---be with synchronously
145---cylinder end wheel
151---blue or green clean belt
152---cylinder
Fig. 5 is a power controling box structural representation among Fig. 1
Wherein 51---switching power supply
52---have the digital control circuit plate that cleaner touches the wall detection module
53---connect bent plate
54---chassis base
55---chassis lid
56---control panel
Fig. 6 is a remote controller structural representation among Fig. 1
Wherein 61---antenna
62---the communication control circuit plate
63---the cabinet cover of band button
64---at the bottom of the casing
65---battery
Fig. 7 is a cable schematic diagram among Fig. 1
Wherein 71---band float leader cable (6 cores or 8 cores)
72---branch cable (4 core)
73---aviation plug
Fig. 8 is the utility model automatic cleaning machine of swimming pool electric-control system in parallel schematic diagram
Fig. 9 is a digital control circuit block diagram among Fig. 7
The specific embodiment
Embodiment: a kind of automatic cleaning machine of swimming pool in parallel (Fig. 1) is characterized in that it is to have to add between branch cable 72 lead-out wires one side at two monomer underwater cleanings 1 to connect cushion block 3 usefulness connecting bolts and be fixed together, the crossbeam in parallel 2 that useful two water exit elbows lid 18 is locked respectively above the two cabinet cover parts 17 constitutes underwater cleaning in parallel; The branch cable 72 of output fork is connected with the motor assembly 11 of two monomer underwater cleanings 1 respectively, cable 7 has aviation plug one end and is connected with power controling box 5, also has been equipped with the annex at remote controller 6 and angle, service sink base---have the water exit elbow lid F of sparge pipe.
Said monomer underwater cleaning (Fig. 3) is made up of creep system 14, cleaning roller parts 15, engine housing parts 16, cabinet cover parts 17, water exit elbow lid 18 and anti-tip piece 19 of bi-motor assembly 11, miniature centrifugal pump of horizontal axis 12, strainer 13, transmission.
Said connecting circuit (figure six) is the leader cable 71 by the band float, and branch cable 72 and Aviation cable plug 73 are formed.
Said power controling box (Fig. 5) by switching power supply 51, have digital control circuit plate 52 that cleaner touches the wall detection module, connect bent plate 53, chassis base 54, chassis lid 55 and control panel 56 and form.
Said remote controller (Fig. 6) by the cabinet cover 63 of antenna 61, communication control circuit plate 62, band button, casing at the bottom of 64 and battery 65 form.
Said automatic cleaning machine of swimming pool in parallel has been equipped with the annex at angle, service sink base---two water exit elbow lid F that have sparge pipe.
The utility model can have multiple different schemes, and described scheme just is illustrated as a kind of feasible embodiment wherein.
Claims (5)
1. parallel automatic cleaning machine of swimming pool, comprise two monomer underwater cleanings, it is characterized in that: between cable pigtail one side of two monomer underwater cleanings, be provided with cushion block, passing engine housing, carrier base and cushion block by four bolts fixedlys connected, on the cabinet cover of two underwater cleanings, be provided with a band handle, the round-meshed crossbeam in two ends, by the water exit elbow lid it is locked at respectively on the water exit elbow of two underwater cleanings, constitutes parallel connection machine under water; Cable fork end is connected with the motor assembly of two monomer underwater cleanings respectively, and the other end aviation plug that has the float cable is connected with power controling box, also is equipped with remote controller.
2. the said parallel automatic cleaning machine of swimming pool of claim 1 is characterized in that: be respectively equipped with the independently transmission system of creeping on two monomer underwater cleanings.
3. the said parallel automatic cleaning machine of swimming pool of claim 1, it is characterized in that: the Digital Circuit Control plate of power controling box is provided with cleaner and touches the wall detection module.
4. the said parallel automatic cleaning machine of swimming pool of claim 1, it is characterized in that: cabinet cover front and rear edge place is provided with anti-tip piece.
5. the said parallel automatic cleaning machine of swimming pool of claim 1 is characterized in that: the water exit elbow cover attachments that is equipped with the band jet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920002047 CN201395961Y (en) | 2009-05-21 | 2009-05-21 | Parallel-connection swimming pond automatic cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920002047 CN201395961Y (en) | 2009-05-21 | 2009-05-21 | Parallel-connection swimming pond automatic cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201395961Y true CN201395961Y (en) | 2010-02-03 |
Family
ID=41618467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920002047 Expired - Lifetime CN201395961Y (en) | 2009-05-21 | 2009-05-21 | Parallel-connection swimming pond automatic cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201395961Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3293326A1 (en) * | 2016-09-13 | 2018-03-14 | Maytronics Ltd. | Master and slave pool cleaning robots |
| CN108189031A (en) * | 2017-12-27 | 2018-06-22 | 杭州高越科技有限公司 | Underwater robot trajectory path planning method and system |
| US10407931B2 (en) | 2016-09-02 | 2019-09-10 | Aqua Products, Inc. | Modular swimming pool cleaner |
-
2009
- 2009-05-21 CN CN 200920002047 patent/CN201395961Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10407931B2 (en) | 2016-09-02 | 2019-09-10 | Aqua Products, Inc. | Modular swimming pool cleaner |
| EP3293326A1 (en) * | 2016-09-13 | 2018-03-14 | Maytronics Ltd. | Master and slave pool cleaning robots |
| EP3293324A1 (en) * | 2016-09-13 | 2018-03-14 | Maytronics Ltd. | Set of pool cleaning robots for cleaning different regions of a pool |
| EP3293325A1 (en) * | 2016-09-13 | 2018-03-14 | Maytronics Ltd. | A set of pool cleaning robots |
| US10538932B2 (en) | 2016-09-13 | 2020-01-21 | Maytronics Ltd | Master and slave pool cleaning robots |
| US10858852B2 (en) | 2016-09-13 | 2020-12-08 | Maytronics Ltd. | Set of pool cleaning robots |
| CN108189031A (en) * | 2017-12-27 | 2018-06-22 | 杭州高越科技有限公司 | Underwater robot trajectory path planning method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 300462 No. 30 South four street, West Zone, Tianjin economic and Technological Development Zone Patentee after: Fu Guilan Address before: 300385 Tianjin City, Tianjin economic and Technological Development Zone, Micro Electronics Industrial Park (Xiqing) in Tianjin Wang Yuan Xiaoyuan 3-D environmental protection science and technology limited company Patentee before: Fu Guilan |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180723 Address after: 300462 No. 30, Zhongnan four street, West District, Tianjin economic and Technological Development Zone. Patentee after: TIANJIN WANGYUAN ENVIRONMENTAL PROTECTION & TECHNOLOGY CO., LTD. Address before: 300462 No. 30, Zhongnan four street, West District, Tianjin economic and Technological Development Zone. Patentee before: Fu Guilan |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100203 |